docs.sheetjs.com/docz/static/tfjs/tf.min.js

/**
 * @license
 * Copyright 2022 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */
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0;R=0===E||E<0!=f.strides[b]<0?0:Math.trunc(E/f.strides[b])+(E%f.strides[b]!=0?1:0),g.push(R)}else g.push(-1)}else g.push(x?1:-1)}for(var A=0;A<f.finalShapeGatherIndices.length;++A){var _=f.finalShapeGatherIndices[A];_>=0?y.push(g[_]):-2===_&&y.push(1)}return{finalShapeSparse:y.filter((function(e,t){return-2!==f.finalShapeGatherIndices[t]})),finalShape:y,isIdentity:d,sliceDim0:m,isSimpleSlice:v,begin:f.begin,end:f.end,strides:f.strides}}function ZI(e,t,n,r,a,i){if(a[t])return n>0?i[t]:i[t+1&1];var o=e<0?r+e:e;return o<i[0]?i[0]:o>i[1]?i[1]:o}var QI={__proto__:null,assertParamsValid:zI,maskToAxes:function(e){for(var t=[],n=0;e>0;)1&e&&t.push(n),e/=2,n++;return t},computeOutShape:PI,stridesWithElidedDims:BI,getNormalizedAxes:function(e,t,n,r,a,i,o,s,u){var l=e.length,c=new Array(l),p=new Array(l),h=new Array(l);if(t.length&&n>0){var f=t[0],d=n+1;c=VI(o,f,d,r,e),p=GI(s,f,d,a,e),h=BI(i,f,d,e)}else for(var m=0;m<l;m++)c[m]=HI(o,r,i,e,m,u),p[m]=qI(s,a,i,e,m,u),h[m]=jI(i,m,u);return{begin:c,end:p,strides:h}},startIndicesWithElidedDims:VI,stopIndicesWithElidedDims:GI,stridesForAxis:jI,startForAxis:HI,stopForAxis:qI,isSliceContinous:KI,computeFlatOffset:XI,parseSliceParams:YI,sliceInfo:JI},$I=function(){function e(){}return e.prototype.getClassName=function(){return this.constructor.className},e.fromConfig=function(e,t){return new e(t)},e}(),eS=function(){function e(){this.classNameMap={}}return e.getMap=function(){return null==e.instance&&(e.instance=new e),e.instance},e.register=function(t){e.getMap().classNameMap[t.className]=[t,t.fromConfig]},e}();function tS(e){Uv(null!=e.className,(function(){return"Class being registered does not have the static className property defined."})),Uv("string"==typeof e.className,(function(){return"className is required to be a string, but got type "+typeof e.className})),Uv(e.className.length>0,(function(){return"Class being registered has an empty-string as its className, which is disallowed."})),eS.register(e)}var nS={__proto__:null,Serializable:$I,SerializationMap:eS,registerClass:tS};function rS(){return 32===vk.backend.floatPrecision()?.001:.1}function aS(e,t,n){var r=!0;if((ig(e)||ig(t))&&(r=!1),ig(e)&&ig(t)&&(r=!0),r){var a=e.constructor.name,i=t.constructor.name;if(a!==i)throw new Error("Arrays are of different type. Actual: "+a+". Expected: "+i)}if(Array.isArray(e)&&Array.isArray(t)){var o=kk(e),s=kk(t);if(!qv(o,s))throw new Error("Arrays have different shapes. Actual: ["+o+"]. Expected: ["+s+"]")}var u=ig(e)?e:jv(e),l=ig(t)?t:jv(t);if(u.length!==l.length)throw new Error("Arrays have different lengths actual: "+u.length+" vs expected: "+l.length+".\nActual:   "+u+".\nExpected: "+l+".");for(var c=0;c<l.length;++c){var p=u[c],h=l[c];if(!n(p,h))throw new Error("Arrays differ: actual["+c+"] = "+p+", expected["+c+"] = "+h+".\nActual:   "+u+".\nExpected: "+l+".")}}function iS(e,t,n){if(null==n&&(n=rS()),!oS(e,t,n))throw new Error("Numbers differ: actual === "+e+", expected === "+t)}function oS(e,t,n){return!isFinite(e)&&!isFinite(t)||!(isNaN(e)||isNaN(t)||Math.abs(e-t)>n)}var sS={__proto__:null,TEST_EPSILON_FLOAT16:.1,expectArraysClose:function(e,t,n){return null==n&&(n=rS()),aS(e,t,(function(e,t){return oS(e,t,n)}))},testEpsilon:rS,expectPromiseToFail:function(e,t){e().then((function(){return t.fail()}),(function(){return t()}))},expectArraysEqual:function(e,t){var n="string"==typeof t||"number"==typeof t||"boolean"==typeof t?[t]:t;return ug(e)||ug(e[0])||ug(t)||ug(t[0])?aS(e,n,(function(e,t){return e==t})):aS(e,t,(function(e,t){return oS(e,t,0)}))},expectNumbersClose:iS,expectValuesInRange:function(e,t,n){for(var r=0;r<e.length;r++)if(e[r]<t||e[r]>n)throw new Error("Value out of range:"+e[r]+" low: "+t+", high: "+n)},expectArrayBuffersEqual:function(e,t){var n=new Float32Array(e),r=new Float32Array(t);if(n.length!==r.length)throw new Error("Expected ArrayBuffer to be of length "+r.length+", but it was "+n.length);for(var a=0;a<r.length;a++)if(n[a]!==r[a])throw new Error("Expected ArrayBuffer value at "+a+" to be "+r[a]+" but got "+n[a]+" instead")},encodeStrings:function e(t){for(var n=0;n<t.length;n++){var r=t[n];Array.isArray(r)?e(r):t[n]=Mw(r)}return t}},uS="3.18.0";var lS=Ck({add_:function(e,t){var n=Sk(e,"a","add"),r=Sk(t,"b","add"),a=ik(n,r),i={a:n=a[0],b:r=a[1]};return vk.runKernel(Mg,i)}});var cS=Ck({floorDiv_:function(e,t){var n=Sk(e,"a","floorDiv"),r=Sk(t,"b","floorDiv"),a=ik(n,r),i={a:n=a[0],b:r=a[1]};return vk.runKernel(Wy,i)}});var pS=Ck({div_:function(e,t){var n=Sk(e,"a","div"),r=Sk(t,"b","div"),a=ik(n,r);if(n=a[0],r=a[1],"int32"===n.dtype&&"int32"===r.dtype)return cS(n,r);var i={a:n,b:r};return vk.runKernel(Ey,i,{})}});var hS=Ck({mul_:function(e,t){var n=Sk(e,"a","mul"),r=Sk(t,"b","mul"),a=ik(n,r),i={a:n=a[0],b:r=a[1]};return vk.runKernel(Nb,i)}});var fS=Ck({abs_:function(e){var t=Sk(e,"x","abs");if("complex64"===t.dtype){var n={x:t};return vk.runKernel(iy,n)}var r={x:t};return vk.runKernel(Fg,r)}});var dS=Ck({acos_:function(e){var t={x:Sk(e,"x","acos")};return vk.runKernel(Dg,t)}});var mS=Ck({acosh_:function(e){var t={x:Sk(e,"x","acosh")};return vk.runKernel(Og,t)}});var vS=Ck({addN_:function(e){Uv(Array.isArray(e),(function(){return"The argument passed to tf.addN() must be a list of tensors"})),Uv(e.length>=1,(function(){return"Must pass at least one tensor to tf.addN(), but got "+e.length}));var t=e.map((function(e,t){return Sk(e,"tensors"+t,"addN")})),n=t[0];t.forEach((function(e){if(e.dtype!==n.dtype)throw new Error("All tensors passed to tf.addN() must have the same dtype")})),t.forEach((function(e){if(!qv(e.shape,n.shape))throw new Error("All tensors passed to tf.addN() must have the same shape")}));var r=t;return vk.runKernel(Lg,r)}});var gS=Ck({all_:function(e,t,n){void 0===t&&(t=null),void 0===n&&(n=!1);var r={x:Sk(e,"x","all","bool")},a={axis:t,keepDims:n};return vk.runKernel(zg,r,a)}});var yS=Ck({any_:function(e,t,n){void 0===t&&(t=null),void 0===n&&(n=!1);var r={x:Sk(e,"x","any","bool")},a={axis:t,keepDims:n};return vk.runKernel(Pg,r,a)}});var bS=Ck({argMax_:function(e,t){void 0===t&&(t=0);var n={x:Sk(e,"x","argMax")},r={axis:t};return vk.runKernel(Bg,n,r)}});var xS=Ck({argMin_:function(e,t){void 0===t&&(t=0);var n={x:Sk(e,"x","argMin")},r={axis:t};return vk.runKernel(Wg,n,r)}});var wS=Ck({asin_:function(e){var t={x:Sk(e,"x","asin")};return vk.runKernel(Ug,t)}});var kS=Ck({asinh_:function(e){var t={x:Sk(e,"x","asinh")};return vk.runKernel(Vg,t)}});var NS=Ck({atan_:function(e){var t={x:Sk(e,"x","atan")};return vk.runKernel(Gg,t)}});var IS=Ck({atan2_:function(e,t){var n=Sk(e,"a","atan2"),r=Sk(t,"b","atan2"),a=ik(n,r),i={a:n=a[0],b:r=a[1]};return vk.runKernel(Hg,i)}});var SS=Ck({atanh_:function(e){var t={x:Sk(e,"x","atanh")};return vk.runKernel(jg,t)}});function TS(e,t,n,r,a,i){void 0===a&&(a="NHWC");var o=e[3];return RS(e,[].concat(t,[o]),n,i,r,null,null,PS(a))}function ES(e,t,n,r,a,i,o){void 0===o&&(o="channelsLast");var s,u=FS(t),l=u[0],c=u[1];if("channelsLast"===o)s=[l,c,e[3],e[3]];else{if("channelsFirst"!==o)throw new Error("Unknown dataFormat "+o);s=[l,c,e[1],e[1]]}return RS(e,s,n,r,a,i,!1,o)}function CS(e,t,n,r,a,i,o){void 0===o&&(o="NDHWC");var s,u,l=DS(t),c=l[0],p=l[1],h=l[2];if("NDHWC"===o)u="channelsLast",s=[c,p,h,e[4],e[4]];else{if("NCDHW"!==o)throw new Error("Unknown dataFormat "+o);u="channelsFirst",s=[c,p,h,e[1],e[1]]}return AS(e,s,n,r,a,!1,u,i)}function RS(e,t,n,r,a,i,o,s){void 0===o&&(o=!1),void 0===s&&(s="channelsLast");var u=-1,l=-1,c=-1,p=-1;if("channelsLast"===s)u=e[0],l=e[1],c=e[2],p=e[3];else{if("channelsFirst"!==s)throw new Error("Unknown dataFormat "+s);u=e[0],p=e[1],l=e[2],c=e[3]}var h,f=t[0],d=t[1],m=t[3],v=FS(n),g=v[0],y=v[1],b=FS(r),x=b[0],w=b[1],k=OS(f,x),N=OS(d,w),I=function(e,t,n,r,a,i,o,s,u){var l,c,p;if("number"==typeof e){l={top:e,bottom:e,left:e,right:e,type:0===e?"VALID":"NUMBER"};var h=function(e,t,n,r,a){null==r&&(r=_S(e,t,n));var i=e[0],o=e[1],s=MS((i-t+2*r)/n+1,a),u=MS((o-t+2*r)/n+1,a);return[s,u]}([t,n],i,r,e,s);c=h[0],p=h[1]}else if("same"===e){c=Math.ceil(t/r),p=Math.ceil(n/a);var f=Math.max(0,(c-1)*r+i-t),d=Math.max(0,(p-1)*a+o-n),m=Math.floor(f/2),v=f-m,g=Math.floor(d/2);l={top:m,bottom:v,left:g,right:d-g,type:"SAME"}}else if("valid"===e)l={top:0,bottom:0,left:0,right:0,type:"VALID"},c=Math.ceil((t-i+1)/r),p=Math.ceil((n-o+1)/a);else{if("object"!=typeof e)throw Error("Unknown padding parameter: "+e);var y="channelsLast"===u?e[1][0]:e[2][0],b="channelsLast"===u?e[1][1]:e[2][1],x="channelsLast"===u?e[2][0]:e[3][0],w="channelsLast"===u?e[2][1]:e[3][1];l={top:y,bottom:b,left:x,right:w,type:0===y&&0===b&&0===x&&0===w?"VALID":"EXPLICIT"},c=MS((t-i+y+b)/r+1,s),p=MS((n-o+x+w)/a+1,s)}return{padInfo:l,outHeight:c,outWidth:p}}(a,l,c,g,y,k,N,i,s),S=I.padInfo,T=I.outHeight,E=I.outWidth,C=o?m*p:m;return"channelsFirst"===s?h=[u,C,T,E]:"channelsLast"===s&&(h=[u,T,E,C]),{batchSize:u,dataFormat:s,inHeight:l,inWidth:c,inChannels:p,outHeight:T,outWidth:E,outChannels:C,padInfo:S,strideHeight:g,strideWidth:y,filterHeight:f,filterWidth:d,effectiveFilterHeight:k,effectiveFilterWidth:N,dilationHeight:x,dilationWidth:w,inShape:e,outShape:h,filterShape:t}}function AS(e,t,n,r,a,i,o,s){void 0===i&&(i=!1),void 0===o&&(o="channelsLast");var u=-1,l=-1,c=-1,p=-1,h=-1;if("channelsLast"===o)u=e[0],l=e[1],c=e[2],p=e[3],h=e[4];else{if("channelsFirst"!==o)throw new Error("Unknown dataFormat "+o);u=e[0],h=e[1],l=e[2],c=e[3],p=e[4]}var f,d=t[0],m=t[1],v=t[2],g=t[4],y=DS(n),b=y[0],x=y[1],w=y[2],k=DS(r),N=k[0],I=k[1],S=k[2],T=OS(d,N),E=OS(m,I),C=OS(v,S),R=function(e,t,n,r,a,i,o,s,u,l,c){var p,h,f,d;if("number"==typeof e){p={top:e,bottom:e,left:e,right:e,front:e,back:e,type:0===e?"VALID":"NUMBER"};var m=function(e,t,n,r,a,i){null==a&&(a=_S(e,t,r));var o=e[0],s=e[1],u=e[2],l=MS((o-t+2*a)/r+1,i),c=MS((s-t+2*a)/r+1,i),p=MS((u-t+2*a)/r+1,i);return[l,c,p,n]}([t,n,r,1],s,1,a,e,c);h=m[0],f=m[1],d=m[2]}else if("same"===e){var v=((h=Math.ceil(t/a))-1)*a+s-t,g=((f=Math.ceil(n/i))-1)*i+u-n,y=((d=Math.ceil(r/o))-1)*o+l-r,b=Math.floor(v/2),x=v-b,w=Math.floor(g/2),k=g-w,N=Math.floor(y/2);p={top:w,bottom:k,left:N,right:y-N,front:b,back:x,type:"SAME"}}else{if("valid"!==e)throw Error("Unknown padding parameter: "+e);p={top:0,bottom:0,left:0,right:0,front:0,back:0,type:"VALID"},h=Math.ceil((t-s+1)/a),f=Math.ceil((n-u+1)/i),d=Math.ceil((r-l+1)/o)}return{padInfo:p,outDepth:h,outHeight:f,outWidth:d}}(a,l,c,p,b,x,w,T,E,C,s),A=R.padInfo,_=R.outDepth,F=R.outHeight,D=R.outWidth,O=i?g*h:g;return"channelsFirst"===o?f=[u,O,_,F,D]:"channelsLast"===o&&(f=[u,_,F,D,O]),{batchSize:u,dataFormat:o,inDepth:l,inHeight:c,inWidth:p,inChannels:h,outDepth:_,outHeight:F,outWidth:D,outChannels:O,padInfo:A,strideDepth:b,strideHeight:x,strideWidth:w,filterDepth:d,filterHeight:m,filterWidth:v,effectiveFilterDepth:T,effectiveFilterHeight:E,effectiveFilterWidth:C,dilationDepth:N,dilationHeight:I,dilationWidth:S,inShape:e,outShape:f,filterShape:t}}function _S(e,t,n,r){void 0===r&&(r=1);var a=OS(t,r);return Math.floor((e[0]*(n-1)-n+a)/2)}function FS(e){return"number"==typeof e?[e,e,e]:2===e.length?[e[0],e[1],1]:e}function DS(e){return"number"==typeof e?[e,e,e]:e}function OS(e,t){return t<=1?e:e+(e-1)*(t-1)}function MS(e,t){if(!t)return Math.trunc(e);switch(t){case"round":return Math.round(e);case"ceil":return Math.ceil(e);case"floor":return Math.floor(e);default:throw new Error("Unknown roundingMode "+t)}}function LS(e){var t=FS(e),n=t[0],r=t[1],a=t[2];return 1===n&&1===r&&1===a}function zS(e,t){return LS(e)||LS(t)}function PS(e){if("NHWC"===e)return"channelsLast";if("NCHW"===e)return"channelsFirst";throw new Error("Unknown dataFormat "+e)}function BS(e,t,n){if(null!=n){if("string"==typeof t)throw Error("Error in "+e+": pad must be an integer when using dimRoundingMode "+n+" but got pad "+t+".");if("number"==typeof t)Uv(Kv(t),(function(){return"Error in "+e+": pad must be an integer when using dimRoundingMode "+n+" but got pad "+t+"."}));else{if("object"!=typeof t)throw Error("Error in "+e+": Unknown padding parameter: "+t);t.forEach((function(t){t.forEach((function(t){Uv(Kv(t),(function(){return"Error in "+e+": pad must be an integer when using dimRoundingMode "+n+" but got pad "+t+"."}))}))}))}}}var WS=Ck({reshape_:function(e,t){var n={x:Sk(e,"x","reshape","string_or_numeric")},r={shape:t};return vk.runKernel(Wb,n,r)}});var US=Ck({avgPool_:function(e,t,n,r,a){var i=Sk(e,"x","avgPool","float32");Uv(zS(n,1),(function(){return"Error in avgPool: Either strides or dilations must be 1. Got strides "+n+" and dilations '1'"}));var o=i,s=!1;3===i.rank&&(s=!0,o=WS(i,[1,i.shape[0],i.shape[1],i.shape[2]])),Uv(4===o.rank,(function(){return"Error in avgPool: x must be rank 4 but got rank "+o.rank+"."})),BS("avgPool",r,a);var u={x:o},l={filterSize:t,strides:n,pad:r,dimRoundingMode:a},c=vk.runKernel(qg,u,l);return c=ON(c,i.dtype),s?WS(c,[c.shape[1],c.shape[2],c.shape[3]]):c}});var VS=Ck({avgPool3d_:function(e,t,n,r,a,i){void 0===i&&(i="NDHWC");var o=Sk(e,"x","avgPool3d","float32"),s=o,u=!1;4===o.rank&&(u=!0,s=WS(o,[1,o.shape[0],o.shape[1],o.shape[2],o.shape[3]])),Uv(5===s.rank,(function(){return"Error in avgPool3d: x must be rank 5 but got rank "+s.rank+"."})),Uv("NDHWC"===i,(function(){return"Error in avgPool3d: Only NDHWC is currently supported, but got dataFormat of "+i})),BS("avgPool3d",r,a);var l={x:s},c={filterSize:t,strides:n,pad:r,dimRoundingMode:a,dataFormat:i},p=vk.runKernel(Xg,l,c);return p=ON(p,s.dtype),u?WS(p,[p.shape[1],p.shape[2],p.shape[3],p.shape[4]]):p}});var GS=Ck({concat_:function(e,t){void 0===t&&(t=0),Uv(e.length>=1,(function(){return"Pass at least one tensor to concat"}));var n=Tk(e,"tensors","concat","string_or_numeric");if("complex64"===n[0].dtype&&n.forEach((function(e){if("complex64"!==e.dtype)throw new Error("Cannot concatenate complex64 tensors with a tensor\n          with dtype "+e.dtype+". ")})),1===n.length)return MN(n[0]);var r=n,a={axis:t};return vk.runKernel(oy,r,a)}});var jS=Ck({sigmoid_:function(e){var t={x:Sk(e,"x","sigmoid","float32")};return vk.runKernel(rx,t)}});var HS=Ck({slice_:function(e,t,n){var r=Sk(e,"x","slice","string_or_numeric");if(0===r.rank)throw new Error("Slicing scalar is not possible");var a={x:r},i={begin:t,size:n};return vk.runKernel($b,a,i)}});var qS=Ck({tanh_:function(e){var t={x:Sk(e,"x","tanh","float32")};return vk.runKernel(Nx,t)}});var KS=Ck({basicLSTMCell_:function(e,t,n,r,a,i){var o=Sk(e,"forgetBias","basicLSTMCell"),s=Sk(t,"lstmKernel","basicLSTMCell"),u=Sk(n,"lstmBias","basicLSTMCell"),l=Sk(r,"data","basicLSTMCell"),c=Sk(a,"c","basicLSTMCell"),p=Sk(i,"h","basicLSTMCell"),h=GS([l,p],1),f=rI(h,s),d=lS(f,u),m=d.shape[0],v=d.shape[1]/4,g=[m,v],y=HS(d,[0,0],g),b=HS(d,[0,v],g),x=HS(d,[0,2*v],g),w=HS(d,[0,3*v],g),k=lS(hS(jS(y),qS(b)),hS(c,jS(lS(o,x))));return[k,hS(qS(k),jS(w))]}});var XS=Ck({batchToSpaceND_:function(e,t,n){var r=Sk(e,"x","batchToSpaceND"),a=t.reduce((function(e,t){return e*t}));Uv(r.rank>=1+t.length,(function(){return"input rank is "+r.rank+" but should be > than blockShape.length "+t.length})),Uv(n.length===t.length,(function(){return"crops.length is "+n.length+" but should be equal to blockShape.length  "+t.length})),Uv(r.shape[0]%a==0,(function(){return"input tensor batch is "+r.shape[0]+" but is not divisible by the product of the elements of blockShape "+t.join(" * ")+" === "+a}));var i={x:r},o={blockShape:t,crops:n};return vk.runKernel(Zg,i,o)}});var YS=Ck({batchNorm_:function(e,t,n,r,a,i){null==i&&(i=.001);var o,s,u=Sk(e,"x","batchNorm"),l=Sk(t,"mean","batchNorm"),c=Sk(n,"variance","batchNorm");null!=a&&(o=Sk(a,"scale","batchNorm")),null!=r&&(s=Sk(r,"offset","batchNorm")),Uv(l.rank===c.rank,(function(){return"Batch normalization gradient requires mean and variance to have equal ranks."})),Uv(null==s||l.rank===s.rank,(function(){return"Batch normalization gradient requires mean and offset to have equal ranks."})),Uv(null==o||l.rank===o.rank,(function(){return"Batch normalization gradient requires mean and scale to have equal ranks."}));var p={x:function(e){return 0===e.rank||1===e.rank?WS(e,[1,1,1,e.size]):2===e.rank?WS(e,[1,1,e.shape[0],e.shape[1]]):3===e.rank?WS(e,[1,e.shape[0],e.shape[1],e.shape[2]]):e}(u),scale:o,offset:s,mean:l,variance:c},h={varianceEpsilon:i},f=vk.runKernel(Uy,p,h);return WS(f,u.shape)}});var JS=Ck({batchNorm2d_:function(e,t,n,r,a,i){var o,s,u=Sk(e,"x","batchNorm"),l=Sk(t,"mean","batchNorm"),c=Sk(n,"variance","batchNorm");return null!=a&&(o=Sk(a,"scale","batchNorm")),null!=r&&(s=Sk(r,"offset","batchNorm")),Uv(2===u.rank,(function(){return"Error in batchNorm2D: x must be rank 2 but got rank "+u.rank+"."})),Uv(2===l.rank||1===l.rank,(function(){return"Error in batchNorm2D: mean must be rank 2 or rank 1 but got rank "+l.rank+"."})),Uv(2===c.rank||1===c.rank,(function(){return"Error in batchNorm2D: variance must be rank 2 or rank 1 but got rank "+c.rank+"."})),null!=o&&Uv(2===o.rank||1===o.rank,(function(){return"Error in batchNorm2D: scale must be rank 2 or rank 1 but got rank "+o.rank+"."})),null!=s&&Uv(2===s.rank||1===s.rank,(function(){return"Error in batchNorm2D: offset must be rank 2 or rank 1 but got rank "+s.rank+"."})),YS(u,l,c,s,o,i)}});var ZS=Ck({batchNorm3d_:function(e,t,n,r,a,i){var o,s,u=Sk(e,"x","batchNorm"),l=Sk(t,"mean","batchNorm"),c=Sk(n,"variance","batchNorm");return null!=a&&(o=Sk(a,"scale","batchNorm")),null!=r&&(s=Sk(r,"offset","batchNorm")),Uv(3===u.rank,(function(){return"Error in batchNorm3D: x must be rank 3 but got rank "+u.rank+"."})),Uv(3===l.rank||1===l.rank,(function(){return"Error in batchNorm3D: mean must be rank 3 or rank 1 but got rank "+l.rank+"."})),Uv(3===c.rank||1===c.rank,(function(){return"Error in batchNorm3D: variance must be rank 3 or rank 1 but got rank "+c.rank+"."})),null!=o&&Uv(3===o.rank||1===o.rank,(function(){return"Error in batchNorm3D: scale must be rank 3 or rank 1 but got rank "+o.rank+"."})),null!=s&&Uv(3===s.rank||1===s.rank,(function(){return"Error in batchNorm3D: offset must be rank 3 or rank 1 but got rank "+s.rank+"."})),YS(u,l,c,s,o,i)}});var QS=Ck({batchNorm4d_:function(e,t,n,r,a,i){var o,s,u=Sk(e,"x","batchNorm"),l=Sk(t,"mean","batchNorm"),c=Sk(n,"variance","batchNorm");return null!=a&&(o=Sk(a,"scale","batchNorm")),null!=r&&(s=Sk(r,"offset","batchNorm")),Uv(4===u.rank,(function(){return"Error in batchNorm4D: x must be rank 4 but got rank "+u.rank+"."})),Uv(4===l.rank||1===l.rank,(function(){return"Error in batchNorm4D: mean must be rank 4 or rank 1 but got rank "+l.rank+"."})),Uv(4===c.rank||1===c.rank,(function(){return"Error in batchNorm4D: variance must be rank 4 or rank 1 but got rank "+c.rank+"."})),null!=o&&Uv(4===o.rank||1===o.rank,(function(){return"Error in batchNorm4D: scale must be rank 4 or rank 1 but got rank "+o.rank+"."})),null!=s&&Uv(4===s.rank||1===s.rank,(function(){return"Error in batchNorm4D: offset must be rank 4 or rank 1 but got rank "+s.rank+"."})),YS(u,l,c,s,o,i)}});var $S=Ck({bincount_:function(e,t,n){var r=Sk(e,"x","bincount"),a=Sk(t,"weights","bincount");Uv("int32"===r.dtype,(function(){return"Error in bincount: input dtype must be int32, but got "+r.dtype})),Uv(n>=0,(function(){return"size must be non-negative, but got "+n+"."})),Uv(a.size===r.size||0===a.size,(function(){return"Error in bincount: weights must have the same size as input or0-length, but got input shape: "+r.shape+", weights shape: "+a.shape+"."}));var i={x:r,weights:a},o={size:n};return vk.runKernel(Qg,i,o)}});var eT=Ck({broadcastArgs_:function(e,t){var n=Sk(e,"s0","broadcastArgs","int32"),r=Sk(t,"s1","broadcastArgs","int32");if(1!==n.rank)throw new Error("broadcastArgs(): first input must be a vector (rank=1). Has rank "+n.rank);if(1!==r.rank)throw new Error("broadcastArgs(): second input must be a vector (rank=1). Has rank "+r.rank);var a={s0:n,s1:r};return vk.runKernel(ey,a)}});var tT=Ck({broadcastTo_:function(e,t){var n=Sk(e,"broadcastTo","x"),r=n.shape;if(t.some((function(e){return!(e>0)||e%1!=0})))throw new Error("broadcastTo(): Invalid broadcast shape ["+t+"].");if(t.length<n.rank)throw new Error("broadcastTo(): shape.length="+t.length+" < input.rank="+n.rank+".");if(t.length>n.rank){for(var a=n.shape.slice();a.length<t.length;)a.unshift(1);n=WS(n,a)}for(var i=n.shape,o=Array.from(t),s=t.length-1;s>=0;s--)if(i[s]===t[s])o[s]=1;else if(1!==n.shape[s])throw new Error("broadcastTo(): ["+r+"] cannot be broadcast to ["+t+"].");if(0===o.map((function(e,t){return e>1?t:-1})).filter((function(e){return e>=0})).length)return MN(n);var u={x:n},l={reps:o};return vk.runKernel(Ix,u,l)}});var nT=Ck({ceil_:function(e){var t={x:Sk(e,"x","ceil","float32")};return vk.runKernel(ny,t)}});var rT=Ck({clipByValue_:function(e,t,n){var r=Sk(e,"x","clipByValue");Uv(t<=n,(function(){return"Error in clip: min ("+t+") must be less than or equal to max ("+n+")."}));var a={x:r},i={clipValueMin:t,clipValueMax:n};return vk.runKernel(ry,a,i)}});var aT=Ck({concat1d_:function(e){return GS(e,0)}});var iT=Ck({concat2d_:function(e,t){return GS(e,t)}});var oT=Ck({concat3d_:function(e,t){return GS(e,t)}});var sT=Ck({concat4d_:function(e,t){return GS(e,t)}});var uT=Ck({conv2d_:function(e,t,n,r,a,i,o){void 0===a&&(a="NHWC"),void 0===i&&(i=[1,1]);var s=Sk(e,"x","conv2d","float32"),u=Sk(t,"filter","conv2d","float32"),l=s,c=!1;3===s.rank&&(c=!0,l=WS(s,[1,s.shape[0],s.shape[1],s.shape[2]])),Uv(4===l.rank,(function(){return"Error in conv2d: input must be rank 4, but got rank "+l.rank+"."})),Uv(4===u.rank,(function(){return"Error in conv2d: filter must be rank 4, but got rank "+u.rank+"."})),BS("conv2d",r,o);var p="NHWC"===a?l.shape[3]:l.shape[1];Uv(p===u.shape[2],(function(){return"Error in conv2d: depth of input ("+p+") must match input depth for filter "+u.shape[2]+"."})),Uv(zS(n,i),(function(){return"Error in conv2D: Either strides or dilations must be 1. Got strides "+n+" and dilations '"+i+"'"}));var h={x:l,filter:u},f={strides:n,pad:r,dataFormat:a,dilations:i,dimRoundingMode:o},d=vk.runKernel(sy,h,f);return c?WS(d,[d.shape[1],d.shape[2],d.shape[3]]):d}});var lT=Ck({conv1d_:function(e,t,n,r,a,i,o){void 0===a&&(a="NWC"),void 0===i&&(i=1);var s=Sk(e,"x","conv1d"),u=Sk(t,"filter","conv1d"),l=s,c=!1;2===s.rank&&(c=!0,l=WS(s,[1,s.shape[0],s.shape[1]])),Uv(3===l.rank,(function(){return"Error in conv1d: input must be rank 3, but got rank "+l.rank+"."})),Uv(3===u.rank,(function(){return"Error in conv1d: filter must be rank 3, but got rank "+u.rank+"."})),BS("conv1d",r,o),Uv(l.shape[2]===u.shape[1],(function(){return"Error in conv1d: depth of input ("+l.shape[2]+") must match input depth for filter "+u.shape[1]+"."})),Uv(zS(n,i),(function(){return"Error in conv1D: Either stride or dilation must be 1. Got stride "+n+" and dilation '"+i+"'"})),Uv("NWC"===a,(function(){return"Error in conv1d: got dataFormat of "+a+" but only NWC is currently supported."}));var p=WS(u,[1,u.shape[0],u.shape[1],u.shape[2]]),h=WS(l,[l.shape[0],1,l.shape[1],l.shape[2]]),f=uT(h,p,[1,n],r,"NHWC",[1,i],o);return WS(f,c?[f.shape[2],f.shape[3]]:[f.shape[0],f.shape[2],f.shape[3]])}});var cT=Ck({conv2DBackpropInput_:function(e,t,n,r,a,i,o){void 0===i&&(i="NHWC"),Uv(e.length===t.rank,(function(){return"Length of inShape ("+e.length+") and rank of dy ("+t.rank+") must match"}));var s=e,u=t,l=!1;3===t.rank&&(l=!0,u=WS(t,[1,t.shape[0],t.shape[1],t.shape[2]]),s=[1,e[0],e[1],e[2]]),Uv(4===s.length,(function(){return"Error in conv2dDerInput: inShape must be length 4, but got length "+s.length+"."})),Uv(4===u.rank,(function(){return"Error in conv2dDerInput: dy must be rank 4, but got rank "+u.rank})),Uv(4===n.rank,(function(){return"Error in conv2dDerInput: filter must be rank 4, but got rank "+n.rank}));var c="NHWC"===i?s[3]:s[1],p="NHWC"===i?u.shape[3]:u.shape[1];Uv(c===n.shape[2],(function(){return"Error in conv2dDerInput: depth of input ("+c+") must match input depth for filter "+n.shape[2]+"."})),Uv(p===n.shape[3],(function(){return"Error in conv2dDerInput: depth of output ("+p+") must match output depth for filter "+n.shape[3]+"."})),BS("conv2dDerInput",a,o);var h={dy:u,filter:n},f={strides:r,pad:a,dataFormat:i,dimRoundingMode:o,inputShape:s},d=vk.runKernel(ly,h,f);return l?WS(d,[d.shape[1],d.shape[2],d.shape[3]]):d}});var pT=Ck({conv2dTranspose_:function(e,t,n,r,a,i){var o=Sk(e,"x","conv2dTranspose"),s=Sk(t,"filter","conv2dTranspose");return cT(n,o,s,r,a,"NHWC",i)}});var hT=Ck({conv3d_:function(e,t,n,r,a,i){void 0===a&&(a="NDHWC"),void 0===i&&(i=[1,1,1]);var o=Sk(e,"x","conv3d"),s=Sk(t,"filter","conv3d"),u=o,l=!1;4===o.rank&&(l=!0,u=WS(o,[1,o.shape[0],o.shape[1],o.shape[2],o.shape[3]])),Uv(5===u.rank,(function(){return"Error in conv3d: input must be rank 5, but got rank "+u.rank+"."})),Uv(5===s.rank,(function(){return"Error in conv3d: filter must be rank 5, but got rank "+s.rank+"."})),Uv(u.shape[4]===s.shape[3],(function(){return"Error in conv3d: depth of input ("+u.shape[4]+") must match input depth for filter "+s.shape[3]+"."})),Uv(zS(n,i),(function(){return"Error in conv3D: Either strides or dilations must be 1. Got strides "+n+" and dilations '"+i+"'"})),Uv("NDHWC"===a,(function(){return"Error in conv3d: got dataFormat of "+a+" but only NDHWC is currently supported."}));var c={x:u,filter:s},p={strides:n,pad:r,dataFormat:a,dilations:i},h=vk.runKernel(cy,c,p);return l?WS(h,[h.shape[1],h.shape[2],h.shape[3],h.shape[4]]):h}});var fT=Ck({conv3DBackpropInput_:function(e,t,n,r,a){Uv(e.length===t.rank,(function(){return"Length of inShape ("+e.length+") and rank of dy ("+t.rank+") must match"}));var i=e,o=t,s=!1;4===t.rank&&(s=!0,o=WS(t,[1,t.shape[0],t.shape[1],t.shape[2],t.shape[3]]),i=[1,e[0],e[1],e[2],e[3]]);var u=i[4],l=o.shape[4];Uv(5===i.length,(function(){return"Error in conv3dDerInput: inShape must be length 5, but got length "+i.length+"."})),Uv(5===o.rank,(function(){return"Error in conv3dDerInput: dy must be rank 5, but got rank "+o.rank})),Uv(5===n.rank,(function(){return"Error in conv3dDerInput: filter must be rank 5, but got rank "+n.rank})),Uv(u===n.shape[3],(function(){return"Error in conv3dDerInput: depth of input ("+u+") must match input depth for filter "+n.shape[3]+"."})),Uv(l===n.shape[4],(function(){return"Error in conv3dDerInput: depth of output ("+l+") must match output depth for filter "+n.shape[4]+"."}));var c={dy:o,filter:n},p={pad:a,strides:r,inputShape:i},h=vk.runKernel(hy,c,p);return s?WS(h,[h.shape[1],h.shape[2],h.shape[3],h.shape[4]]):h}});var dT=Ck({conv3dTranspose_:function(e,t,n,r,a){var i=Sk(e,"x","conv3dTranspose"),o=Sk(t,"filter","conv3dTranspose");return fT(n,i,o,r,a)}});var mT=Ck({cos_:function(e){var t={x:Sk(e,"x","cos","float32")};return vk.runKernel(fy,t)}});var vT=Ck({cosh_:function(e){var t={x:Sk(e,"x","cosh","float32")};return vk.runKernel(dy,t)}});var gT=Ck({cumprod_:function(e,t,n,r){void 0===t&&(t=0),void 0===n&&(n=!1),void 0===r&&(r=!1);var a={x:Sk(e,"x","cumprod")},i={axis:t,exclusive:n,reverse:r};return vk.runKernel(my,a,i)}});var yT=Ck({cumsum_:function(e,t,n,r){void 0===t&&(t=0),void 0===n&&(n=!1),void 0===r&&(r=!1);var a={x:Sk(e,"x","cumsum")},i={axis:t,exclusive:n,reverse:r};return vk.runKernel(vy,a,i)}});var bT=Ck({denseBincount_:function(e,t,n,r){void 0===r&&(r=!1);var a=Sk(e,"x","denseBincount"),i=Sk(t,"weights","denseBincount");Uv("int32"===a.dtype,(function(){return"Error in denseBincount: input dtype must be int32, but got "+a.dtype})),Uv(a.rank<=2,(function(){return"Error in denseBincount: input must be at most rank 2, but got rank "+a.rank+"."})),Uv(n>=0,(function(){return"size must be non-negative, but got "+n+"."})),Uv(i.size===a.size||0===i.size,(function(){return"Error in denseBincount: weights must have the same shape as x or 0-length, but got x shape: "+a.shape+", weights shape: "+i.shape+"."}));var o={x:a,weights:i},s={size:n,binaryOutput:r};return vk.runKernel(yy,o,s)}});var xT=Ck({depthToSpace_:function(e,t,n){void 0===n&&(n="NHWC");var r=Sk(e,"x","depthToSpace","float32"),a="NHWC"===n?r.shape[1]:r.shape[2],i="NHWC"===n?r.shape[2]:r.shape[3],o="NHWC"===n?r.shape[3]:r.shape[1];Uv(t>1,(function(){return"blockSize should be > 1 for depthToSpace, but was: "+t})),Uv(a*t>=0,(function(){return"Negative dimension size caused by overflow when multiplying\n    "+a+" and "+t+"  for depthToSpace with input shape\n    "+r.shape})),Uv(i*t>=0,(function(){return"Negative dimension size caused by overflow when multiplying\n    "+i+" and "+t+" for depthToSpace with input shape\n        "+r.shape})),Uv(o%(t*t)==0,(function(){return"Dimension size must be evenly divisible by "+t*t+" but is "+o+" for depthToSpace with input shape "+r.shape}));var s={x:r},u={blockSize:t,dataFormat:n};return vk.runKernel(by,s,u)}});var wT=Ck({depthwiseConv2d_:function(e,t,n,r,a,i,o){void 0===a&&(a="NHWC"),void 0===i&&(i=[1,1]);var s=Sk(e,"x","depthwiseConv2d","float32"),u=Sk(t,"filter","depthwiseConv2d","float32"),l=s,c=!1;3===s.rank&&(c=!0,l=WS(s,[1,s.shape[0],s.shape[1],s.shape[2]])),Uv(4===l.rank,(function(){return"Error in depthwiseConv2d: input must be rank 4, but got rank "+l.rank+"."})),Uv(4===u.rank,(function(){return"Error in depthwiseConv2d: filter must be rank 4, but got rank "+u.rank+"."})),Uv(l.shape[3]===u.shape[2],(function(){return"Error in depthwiseConv2d: number of input channels ("+l.shape[3]+") must match the inChannels dimension in filter "+u.shape[2]+"."})),BS("depthwiseConv2d",r,o);var p={x:l,filter:u},h={strides:n,pad:r,dataFormat:a,dilations:i,dimRoundingMode:o},f=vk.runKernel(xy,p,h);return c?WS(f,[f.shape[1],f.shape[2],f.shape[3]]):f}});var kT=Ck({diag_:function(e){var t={x:Sk(e,"x","diag")};return vk.runKernel(Ny,t)}});var NT=Ck({dilation2d_:function(e,t,n,r,a,i){void 0===a&&(a=[1,1]),void 0===i&&(i="NHWC");var o=Sk(e,"x","dilation2d"),s=Sk(t,"filter","dilation2d");Uv(3===o.rank||4===o.rank,(function(){return"Error in dilation2d: input must be rank 3 or 4, but got rank "+o.rank+"."})),Uv(3===s.rank,(function(){return"Error in dilation2d: filter must be rank 3, but got rank "+s.rank+"."})),Uv("NHWC"===i,(function(){return"Error in dilation2d: Only NHWC is currently supported, but got dataFormat of "+i}));var u=o,l=!1;3===o.rank&&(u=WS(o,[1,o.shape[0],o.shape[1],o.shape[2]]),l=!0);var c={x:u,filter:s},p={strides:n,pad:r,dilations:a},h=vk.runKernel(Iy,c,p);return l?WS(h,[h.shape[1],h.shape[2],h.shape[3]]):h}});var IT=Ck({equal_:function(e,t){var n=Sk(e,"a","equal","string_or_numeric"),r=Sk(t,"b","equal","string_or_numeric"),a=ik(n,r);n=a[0],r=a[1],wI(n.shape,r.shape);var i={a:n,b:r};return vk.runKernel(Fy,i)}});var ST=Ck({where_:function(e,t,n){var r=Sk(t,"a","where"),a=Sk(n,"b","where"),i=Sk(e,"condition","where","bool"),o=wI(wI(i.shape,r.shape),a.shape),s={condition:tT(i,o),t:tT(r,o),e:tT(a,o)};return vk.runKernel(Zb,s)}});var TT=Ck({zerosLike_:function(e){var t={x:Sk(e,"x","zerosLike")};return vk.runKernel(_x,t)}});var ET=Ck({divNoNan_:function(e,t){var n=Sk(e,"a","div"),r=Sk(t,"b","div"),a=ik(n,r);n=a[0],r=a[1];var i=pS(n,r),o=TT(i),s=IT(r,o);return ST(s,o,i)}});var CT=Ck({dot_:function(e,t){var n=Sk(e,"t1","dot"),r=Sk(t,"t2","dot");Uv(!(1!==n.rank&&2!==n.rank||1!==r.rank&&2!==r.rank),(function(){return"Error in dot: inputs must all be rank 1 or 2, but got ranks "+n.rank+" and "+r.rank+"."}));var a=1===n.rank?n.size:n.shape[1],i=1===r.rank?r.size:r.shape[0];if(Uv(a===i,(function(){return"Error in dot: inner dimensions of inputs must match, but got "+a+" and "+i+"."})),1===n.rank&&1===r.rank){var o=WS(n,[1,-1]),s=WS(r,[-1,1]),u=rI(o,s);return WS(u,[])}if(1===n.rank&&2===r.rank){var l=WS(n,[1,-1]),c=WS(r,[r.shape[0],r.shape[1]]),p=rI(l,c);return WS(p,[p.size])}if(2===n.rank&&1===r.rank){var h=WS(r,[-1,1]),f=rI(n,h);return WS(f,[f.size])}var d=WS(r,[r.shape[0],r.shape[1]]);return rI(n,d)}});var RT=Ck({einsum_:function(e){for(var t=arguments.length,n=new Array(t>1?t-1:0),r=1;r<t;r++)n[r-1]=arguments[r];var a=n.map((function(e,t){return Sk(e,"tensors"+t,"einsum")})),i={equation:e};return vk.runKernel(Cy,a,i)}});var AT=Ck({elu_:function(e){var t={x:Sk(e,"x","elu","float32")};return vk.runKernel(Ry,t)}});var _T=Ck({erf_:function(e){var t=Sk(e,"x","erf");Uv("int32"===t.dtype||"float32"===t.dtype,(function(){return"Input dtype must be `int32` or `float32`."})),"int32"===t.dtype&&(t=ON(t,"float32"));var n={x:t};return vk.runKernel(_y,n)}});function FT(e,t){for(var n=0;n<e.length;++n)if(e[e.length-n-1]!==t-1-n)return!1;return!0}function DT(e,t,n){for(var r=e.length+t.length,a=[],i=0,o=0,s=0;s<r;s++)-1===n.indexOf(s)?a.push(e[i++]):a.push(t[o++]);return a}function OT(e,t){for(var n=[],r=e.length,a=0;a<r;a++)-1===t.indexOf(a)&&n.push(e[a]);return[n,t.map((function(t){return e[t]}))]}function MT(e,t){return DT(e,t.map((function(e){return 1})),t)}function LT(e,t,n){Uv(FT(t,n),(function(){return e+" supports only inner-most axes for now. 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"+t)}if(Array.isArray(n)&&2===n.length){if(1===t)return WT(qT(fS(e),n[0]),n[1]-1);if(t===1/0)return WT(qT(fS(e),n[1]),n[0]);if(t===-1/0)return UT(qT(fS(e),n[1]),n[0]);if("fro"===t||"euclidean"===t)return jT(qT(HT(e),n));throw new Error("Error in norm: invalid ord value: "+t)}throw new Error("Error in norm: invalid axis: "+n)}var XT=Ck({norm_:function(e,t,n,r){void 0===t&&(t="euclidean"),void 0===n&&(n=null),void 0===r&&(r=!1);var a=KT(e=Sk(e,"x","norm"),t,n),i=a.shape;if(r){var o=Qv(n,e.shape);i=MT(a.shape,o)}return WS(a,i)}});var YT=Ck({euclideanNorm_:function(e,t,n){return void 0===t&&(t=null),void 0===n&&(n=!1),XT(e,"euclidean",t,n)}});var JT=Ck({exp_:function(e){var t={x:Sk(e,"x","exp")};return vk.runKernel(Dy,t)}});var ZT=Ck({expandDims_:function(e,t){void 0===t&&(t=0);var n=Sk(e,"x","expandDims","string_or_numeric");Uv(t<=n.rank,(function(){return"Axis must be <= rank of the tensor"}));var r={input:n},a={dim:t};return vk.runKernel(Oy,r,a)}});var QT=Ck({expm1_:function(e){var t={x:Sk(e,"x","expm1")};return vk.runKernel(My,t)}});var $T=Ck({tile_:function(e,t){var n=Sk(e,"x","tile","string_or_numeric");Uv(n.rank===t.length,(function(){return"Error in transpose: rank of input "+n.rank+" must match length of reps "+t+"."}));var r={x:n},a={reps:t};return vk.runKernel(Ix,r,a)}});var eE=Ck({eye_:function(e,t,n,r){void 0===r&&(r="float32"),null==t&&(t=e);for(var a=DN([e,t],r),i=e<=t?e:t,o=0;o<i;++o)a.set(1,o,o);var s=WS(a.toTensor(),[e,t]);if(null==n)return s;if(1===n.length)return $T(ZT(s,0),[n[0],1,1]);if(2===n.length)return $T(ZT(ZT(s,0),0),[n[0],n[1],1,1]);if(3===n.length)return $T(ZT(ZT(ZT(s,0),0),0),[n[0],n[1],n[2],1,1]);throw new Error("eye() currently supports only 1D and 2D batchShapes, but received "+n.length+"D.")}});function tE(e,t,n){var r={shape:e,value:t,dtype:n};return vk.runKernel(zy,{},r)}var nE=Ck({floor_:function(e){var t={x:Sk(e,"x","floor","float32")};return vk.runKernel(By,t)}});var rE=Ck({gather_:function(e,t,n,r){void 0===n&&(n=0),void 0===r&&(r=0);var a={x:Sk(e,"x","gather"),indices:Sk(t,"indices","gather","int32")},i={axis:n,batchDims:r};return vk.runKernel(Vy,a,i)}});var aE=Ck({greater_:function(e,t){var n=Sk(e,"a","greater","string_or_numeric"),r=Sk(t,"b","greater","string_or_numeric"),a=ik(n,r);n=a[0],r=a[1],wI(n.shape,r.shape);var i={a:n,b:r};return vk.runKernel(jy,i)}});var iE=Ck({greaterEqual_:function(e,t){var n=Sk(e,"a","greaterEqual","string_or_numeric"),r=Sk(t,"b","greaterEqual","string_or_numeric"),a=ik(n,r);n=a[0],r=a[1],wI(n.shape,r.shape);var i={a:n,b:r};return vk.runKernel(Hy,i)}});var oE=Ck({isFinite_:function(e){var t={x:Sk(e,"x","isFinite")};return vk.runKernel(Yy,t)}});var sE=Ck({isInf_:function(e){var t={x:Sk(e,"x","isInf")};return vk.runKernel(Jy,t)}});var uE=Ck({isNaN_:function(e){var t={x:Sk(e,"x","isNaN")};return vk.runKernel(Zy,t)}});var lE=Ck({leakyRelu_:function(e,t){void 0===t&&(t=.2);var n={x:Sk(e,"x","leakyRelu")},r={alpha:t};return vk.runKernel(Qy,n,r)}});var cE=Ck({less_:function(e,t){var n=Sk(e,"a","less","string_or_numeric"),r=Sk(t,"b","less","string_or_numeric"),a=ik(n,r);n=a[0],r=a[1],wI(n.shape,r.shape);var i={a:n,b:r};return vk.runKernel($y,i)}});var pE=Ck({lessEqual_:function(e,t){var n=Sk(e,"a","lessEqual","string_or_numeric"),r=Sk(t,"b","lessEqual","string_or_numeric"),a=ik(n,r);n=a[0],r=a[1],wI(n.shape,r.shape);var i={a:n,b:r};return vk.runKernel(eb,i)}});function hE(e,t,n){if(n<=0)throw new Error("The number of values should be positive.");var r={start:e,stop:t,num:n};return vk.runKernel(tb,{},r)}var fE=Ck({localResponseNormalization_:function(e,t,n,r,a){void 0===t&&(t=5),void 0===n&&(n=1),void 0===r&&(r=1),void 0===a&&(a=.5);var i=Sk(e,"x","localResponseNormalization");Uv(4===i.rank||3===i.rank,(function(){return"Error in localResponseNormalization: x must be rank 3 or 4 but got\n               rank "+i.rank+"."})),Uv(Kv(t),(function(){return"Error in localResponseNormalization: depthRadius must be an integer but got depthRadius "+t+"."}));var o=i,s=!1;3===i.rank&&(s=!0,o=WS(i,[1,i.shape[0],i.shape[1],i.shape[2]]));var u={x:o},l={depthRadius:t,bias:n,alpha:r,beta:a},c=vk.runKernel(ub,u,l);return s?WS(c,[c.shape[1],c.shape[2],c.shape[3]]):c}});var dE=Ck({log_:function(e){var t={x:Sk(e,"x","log","float32")};return vk.runKernel(nb,t)}});var mE=Ck({log1p_:function(e){var t={x:Sk(e,"x","log1p")};return vk.runKernel(rb,t)}});function vE(e,t){Uv(hg(e),(function(){return"The f passed in variableGrads(f) must be a function"})),Uv(null==t||Array.isArray(t)&&t.every((function(e){return e instanceof tk})),(function(){return"The varList passed in variableGrads(f, varList) must be an array of variables"}));var n=null!=t;if(!n)for(var r in t=[],vk.registeredVariables)t.push(vk.registeredVariables[r]);var a=n?t.filter((function(e){return!e.trainable})):null,i=t.length;Uv((t=t.filter((function(e){return e.trainable}))).length>0,(function(){return"variableGrads() expects at least one of the input variables to be trainable, but none of the "+i+" variables is trainable."}));var o=vk.gradients(e,t,null,!0),s=o.value,u=o.grads;Uv(u.some((function(e){return null!=e})),(function(){return"Cannot find a connection between any variable and the result of the loss function y=f(x). Please make sure the operations that use variables are inside the function f passed to minimize()."})),Uv(0===s.rank,(function(){return"The f passed in variableGrads(f) must return a scalar, but it returned a rank-"+s.rank+" tensor"}));var l={};return t.forEach((function(e,t){null!=u[t]&&(l[e.name]=u[t])})),null!=a&&a.forEach((function(e){return l[e.name]=null})),{value:s,grads:l}}function gE(e){return vk.customGrad(e)}function yE(e){if(e.filter((function(e){return null==e})).length>0)throw new Error("Cannot compute gradient of y=f(x) with respect to x. Make sure that\n    the f you passed encloses all operations that lead from x to y.")}var bE=Ck({softplus_:function(e){var t={x:Sk(e,"x","softplus")};return vk.runKernel(ax,t)}});var xE=Ck({logSigmoid_:function(e){var t=Sk(e,"x","logSigmoid");return gE((function(e){return{value:mI(bE(mI(e))),gradFunc:function(t){return hS(t,jS(mI(e)))}}}))(t)}});var wE=Ck({sub_:function(e,t){var n=Sk(e,"a","sub"),r=Sk(t,"b","sub"),a=ik(n,r),i={a:n=a[0],b:r=a[1]};return vk.runKernel(wx,i)}});var kE=Ck({logSoftmax_:function(e,t){void 0===t&&(t=-1);var n=Sk(e,"logits","logSoftmax");if(-1===t&&(t=n.rank-1),t!==n.rank-1)throw Error("Log Softmax along a non-last dimension is not yet supported. Logits was rank "+n.rank+" and axis was "+t);return gE((function(e,n){var r=WT(e,t,!0),a=wE(e,r),i=wE(ON(a,"float32"),dE(qT(JT(a),t,!0)));n([i]);return{value:i,gradFunc:function(e,n){var r=n[0],a=JT(r);return wE(e,hS(qT(e,t,!0),a))}}}))(n)}});var NE=Ck({logSumExp_:function(e,t,n){void 0===t&&(t=null),void 0===n&&(n=!1);var r=Sk(e,"x","logSumExp"),a=Qv(t,r.shape),i=WT(r,a,!0),o=wE(r,i),s=JT(o),u=qT(s,a),l=dE(u),c=lS(WS(i,l.shape),l);if(n){var p=MT(c.shape,a);return WS(c,p)}return c}});var IE=Ck({logicalAnd_:function(e,t){var n=Sk(e,"a","logicalAnd","bool"),r=Sk(t,"b","logicalAnd","bool");wI(n.shape,r.shape);var a={a:n,b:r};return vk.runKernel(ab,a)}});var SE=Ck({logicalNot_:function(e){var t={x:Sk(e,"x","logicalNot","bool")};return vk.runKernel(ib,t)}});var TE=Ck({logicalOr_:function(e,t){var n=Sk(e,"a","logicalOr","bool"),r=Sk(t,"b","logicalOr","bool");wI(n.shape,r.shape);var a={a:n,b:r};return vk.runKernel(ob,a)}});var EE=Ck({logicalXor_:function(e,t){var n=Sk(e,"a","logicalXor","bool"),r=Sk(t,"b","logicalXor","bool");return wI(n.shape,r.shape),IE(TE(e,t),SE(IE(e,t)))}}),CE=2147483648;var RE=Ck({searchSorted_:function(e,t,n){void 0===n&&(n="left");var r=Sk(e,"sortedSequence","searchSorted"),a=Sk(t,"values","searchSorted"),i=r.shape[r.shape.length-1],o=a.shape[a.shape.length-1],s=WS(r,[-1,i]),u=WS(a,[-1,o]);if(s.rank<2)throw new Error("Sorted input argument must be at least 2-dimensional");if(s.shape[0]!==u.shape[0])throw new Error("Leading dimension of 'sortedSequence' and 'values' must match.");if(Hv(u.shape)>=CE)throw new Error("values tensor size must less than 2147483648");if(s.shape[1]>=CE)throw new Error("trailing dim_size must less than 2147483648 for int32 output type, was "+s.shape[1]);var l={sortedSequence:s,values:u},c={side:n};return vk.runKernel(Jb,l,c)}});function AE(e,t){return RE(e,t,"left")}var _E=Ck({maxPool_:function(e,t,n,r,a){var i=Sk(e,"x","maxPool"),o=i,s=!1;3===i.rank&&(s=!0,o=WS(i,[1,i.shape[0],i.shape[1],i.shape[2]])),Uv(4===o.rank,(function(){return"Error in maxPool: input must be rank 4 but got rank "+o.rank+"."})),Uv(zS(n,1),(function(){return"Error in maxPool: Either strides or dilations must be 1. 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Mode must be either reflect or symmetric. Got "+n+"."}));var r=Sk(e,"x","mirrorPad");if(0===r.rank)throw new Error("mirrorPad(scalar) is not defined. Pass non-scalar to mirrorPad");Uv(t.length===r.rank,(function(){return"Padding doesn't match input. Must be "+r.rank+". Got "+t.length+"."}));for(var a="reflect"===n?1:0,i=function(e){Uv(2===t[e].length,(function(){return"Invalid number of paddings. 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v=a?f.shape[f.rank-2]:f.shape[f.rank-1],g=o?d.shape[d.rank-1]:d.shape[d.rank-2],y=a?f.shape[f.rank-1]:f.shape[f.rank-2],b=o?d.shape[d.rank-2]:d.shape[d.rank-1],x=f.shape.slice(0,-2),w=d.shape.slice(0,-2),k=Hv(x),N=Hv(w);Uv(v===g,(function(){return"Error in fused matMul: inner shapes ("+v+") and ("+g+") of Tensors with shapes "+f.shape+" and "+d.shape+" and transposeA="+a+" and transposeB="+o+" must match."}));var I,S,T=wI(f.shape.slice(0,-2),d.shape.slice(0,-2)).concat([y,b]),E=WS(f,a?[k,v,y]:[k,y,v]),C=WS(d,o?[N,b,g]:[N,g,b]);null!=s&&(I=ik(I=Sk(s,"bias","fused matMul"),f)[0],wI(T,I.shape)),null!=c&&(S=Sk(c,"prelu weights","fused matMul"));var R=function(e,t){var n,r,i=t[0],u=t[1],c=t[2],p=t[3],h=SR(WS(e,c.shape),c,l);return 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Build it first by calling build(batchInputShape).");return YO(this.weights)},n.build=function(e){this.built=!0},n.getWeights=function(e){return void 0===e&&(e=!1),QO(e?this.trainableWeights:this.weights)},n.setWeights=function(e){var t=this;uI((function(){var n=t.weights;if(n.length!==e.length)throw new fD('You called setWeights(weights) on layer "'+t.name+'" with a weight list of length '+e.length+", but the layer was expecting "+n.length+" weights. Provided weights: "+e+"...");if(0!==n.length){for(var r=[],a=QO(n),i=0;i<a.length;++i){var o=a[i],s=n[i],u=e[i];if(!qv(o.shape,u.shape))throw new fD("Layer weight shape "+o.shape+" not compatible with provided weight shape "+u.shape);r.push([s,u])}$O(r)}}))},n.addWeight=function(e,t,n,r,a,i,o,s){if(-1!==this._addedWeightNames.indexOf(e))throw new fD("Duplicate weight name "+e+" for layer "+this.name);this._addedWeightNames.push(e),null==n&&(n="float32"),this.fastWeightInitDuringBuild&&(r=null!=s?s():jO("zeros"));var u=r.apply(t,n),l=new ZO(u,n,e,i,o);return u.dispose(),null!=a&&this.addLoss((function(){return a.apply(l.read())})),null==i&&(i=!0),i?this._trainableWeights.push(l):this._nonTrainableWeights.push(l),l},n.setFastWeightInitDuringBuild=function(e){this.fastWeightInitDuringBuild=e},n.addLoss=function(e){var t;null==e||Array.isArray(e)&&0===e.length||(e=wD(e),void 0!==this._losses&&null!==this._losses&&(t=this.losses).push.apply(t,e))},n.computeOutputShape=function(e){return e},n.computeMask=function(e,t){var n=this;if(!this.supportsMasking){if(null!=t){if(!Array.isArray(t))throw new TypeError("Layer "+this.name+" does not support masking, but was passed an inputMask.");t.forEach((function(e){if(null!=e)throw new TypeError("Layer "+n.name+" does not support masking, but was passed an inputMask.")}))}return null}return t},n.addInboundNode=function(e,t,n,r,a,i,o){void 0===o&&(o=null);var s=wD(e);t=wD(t),n=wD(n),r=wD(r),a=qO(a),i=qO(i);for(var u,l=[],c=[],p=[],h=Fv(s);!(u=h()).done;){var f=u.value;l.push(f.sourceLayer),c.push(f.nodeIndex),p.push(f.tensorIndex)}new rM({outboundLayer:this,inboundLayers:l,nodeIndices:c,tensorIndices:p,inputTensors:s,outputTensors:t,inputMasks:n,outputMasks:r,inputShapes:a,outputShapes:i},o);for(var d=0;d<t.length;d++)t[d].sourceLayer=this,t[d].nodeIndex=this.inboundNodes.length-1,t[d].tensorIndex=d},n.getConfig=function(){var e={name:this.name,trainable:this.trainable};return null!=this.batchInputShape&&(e.batchInputShape=this.batchInputShape),null!=this.dtype&&(e.dtype=this.dtype),e},n.disposeWeights=function(){return this.weights.forEach((function(e){return e.dispose()})),this.weights.length},n.assertNotDisposed=function(){if(0===this._refCount)throw new Error("Layer '"+this.name+"' is already disposed.")},n.dispose=function(){if(!this.built)throw new Error("Cannot dispose Layer "+this.name+" because it has not been built yet.");if(null===this._refCount)throw new Error("Cannot dispose Layer "+this.name+" because it has not been used yet.");this.assertNotDisposed();var e=0;return 0==--this._refCount&&(e=this.disposeWeights()),{refCountAfterDispose:this._refCount,numDisposedVariables:e}},kv(t,[{key:"input",get:function(){if(this.inboundNodes.length>1)throw new pD("Layer "+this.name+' has multiple inbound nodes, hence the notion of "layer input" is ill-defined. 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We assume this was done on purpose, and we will not be expecting data to be passed to '+u+" during training"),n.push(QM(e.loss[u]))}}this.lossFunctions=n,this.feedOutputNames=[],this.feedOutputShapes=[],this.feedLossFns=[];for(var l=0;l<this.outputs.length;++l){var c=this.internalOutputShapes[l],p=this.outputNames[l];this.feedOutputNames.push(p),this.feedOutputShapes.push(c),this.feedLossFns.push(this.lossFunctions[l])}var h=[];this.metrics=e.metrics,this.metricsNames=["loss"],this.metricsTensors=[],JD("loss",(function(){for(var e=0;e<t.outputs.length;++e)if(-1===h.indexOf(e)){var n=t.lossFunctions[e];t.outputs.length>1&&(t.metricsTensors.push([n,e]),t.metricsNames.push(t.outputNames[e]+"_loss"))}}));var f=function(e,t){if(null==e||Array.isArray(e)&&0===e.length)return t.map((function(e){return[]}));var n;if("string"==typeof e||"function"==typeof e)n=[e];else{if(!Array.isArray(e)&&"object"!=typeof e)throw new TypeError("Type of metrics argument not understood. Expected an string,function, Array, or Object, found: "+e);n=e}if(Array.isArray(n))return t.map((function(e){return n}));for(var r,a=[],i=Fv(t);!(r=i()).done;){var o=r.value,s=n.hasOwnProperty(o)?n[o]:[];Array.isArray(s)||(s=[s]),a.push(s)}return a}(e.metrics,this.outputNames),d=function(e,n,r){t.outputNames.length>1&&(n=t.outputNames[e]+"_"+n),t.metricsNames.push(n),t.metricsTensors.push([r,e])};JD("metric",(function(){for(var e=function(e){if(-1!==h.indexOf(e))return"continue";!function(n){for(var r,a,i,o,s=Fv(n);!(o=s()).done;){var u=o.value;if("string"==typeof u&&-1!==["accuracy","acc","crossentropy","ce"].indexOf(u)){var l=t.internalOutputShapes[e];1===l[l.length-1]||t.lossFunctions[e]===XM?-1!==["accuracy","acc"].indexOf(u)?a=$M:-1!==["crossentropy","ce"].indexOf(u)&&(a=aL):t.lossFunctions[e]===KM?-1!==["accuracy","acc"].indexOf(u)?a=iL:-1!==["crossentropy","ce"].indexOf(u)&&(a=sL):-1!==["accuracy","acc"].indexOf(u)?a=eL:-1!==["crossentropy","ce"].indexOf(u)&&(a=oL);var c=void 0;-1!==["accuracy","acc"].indexOf(u)?c="acc":-1!==["crossentropy","ce"].indexOf(u)&&(c="ce"),i=a,r=""+c}else{var p=lL(u);i=p,r=""+cL(u)}var h=void 0;JD(r,(function(){h=i})),d(e,r,h)}}(f[e])},n=0;n<t.outputs.length;++n)e(n)})),this.collectedTrainableWeights=this.trainableWeights},n.checkTrainableWeightsConsistency=function(){null!=this.collectedTrainableWeights&&this.trainableWeights.length!==this.collectedTrainableWeights.length&&console.warn("Discrepancy between trainableweights and collected trainable weights. Did you set `model.trainable` without calling `model.compile()` afterwards?")},n.evaluate=function(e,t,n){void 0===n&&(n={});var r=null==n.batchSize?32:n.batchSize;zL(r);var a=this.standardizeUserDataXY(e,t,!0,r);try{var i=a[0].concat(a[1]);this.makeTestFunction();var o=this.testFunction;return xD(this.testLoop(o,i,r,n.verbose,n.steps))}finally{qL(a[0],e),qL(a[1],t)}},n.evaluateDataset=function(){var e=xv(regeneratorRuntime.mark((function e(t,n){return regeneratorRuntime.wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return this.makeTestFunction(),e.abrupt("return",ML(this,t,n));case 2:case"end":return e.stop()}}),e,this)})));return function(t,n){return e.apply(this,arguments)}}(),n.checkNumSamples=function(e,t,n,r){var a;if(void 0===r&&(r="steps"),null!=n){if(a=null,null!=t)throw new fD("If "+r+" is set, batchSize must be null or undefined.Got batchSize = "+t)}else{if(null==e)throw new fD("Either the input data should have a defined shape, or "+r+" shoud be specified.");a=Array.isArray(e)?e[0].shape[0]:e.shape[0]}return a},n.execute=function(e,t){if(Array.isArray(t)&&0===t.length)throw new fD("`outputs` is an empty Array, which is not allowed.");var n=Array.isArray(t),r=n?t:[t],a=this.retrieveSymbolicTensors(r),i=new lM;if(e instanceof Xw&&(e=[e]),Array.isArray(e)){if(e.length!==this.inputs.length)throw new fD("The number of inputs provided ("+e.length+") does not match the number of inputs of this model ("+this.inputs.length+").");for(var o=0;o<this.inputs.length;++o)i.add(this.inputs[o],e[o])}else for(var s,u=Fv(this.inputs);!(s=u()).done;){var l=s.value,c=e[l.name];if(null==c)throw new fD("No value is provided for the model's input "+l.name);i.add(l,c)}var p=hM(a,i);return n?p:p[0]},n.retrieveSymbolicTensors=function(e){for(var t,n=gD(null,e.length),r=e.length,a=Fv(this.layers);!(t=a()).done;){for(var i=t.value,o=Array.isArray(i.output)?i.output:[i.output],s=o.map((function(e){return e.name})),u=0;u<e.length;++u){var l=s.indexOf(e[u]);if(-1!==l&&(n[u]=o[l],r--),0===r)break}if(0===r)break}if(r>0){var c=[];throw n.forEach((function(t,n){null==t&&c.push(e[n])})),new fD("Cannot find SymbolicTensors for output name(s): "+JSON.stringify(c))}return n},n.predictLoop=function(e,t,n){var r=this;return void 0===t&&(t=32),void 0===n&&(n=!1),uI((function(){var a=r.checkNumSamples(e);if(n)throw new dD("Verbose predictLoop() is not implemented yet.");for(var i=WL(a,t),o=r.outputs.map((function(e){return[]})),s=function(t){uI((function(){var n=i[t][0],a=i[t][1],o=PL(e,n,a),s=[];if(Array.isArray(o))for(var u=0;u<o.length;++u)s.push({key:r.inputs[u],value:o[u]});else s.push({key:r.inputs[0],value:o});var l=new lM(s);return hM(r.outputs,l)})).forEach((function(e,t){return o[t].push(e)}))},u=0;u<i.length;++u)s(u);return xD(o.map((function(e){return GS(e,0)})))}))},n.predict=function(e,t){void 0===t&&(t={});var n=HL(e);JL(n,this.inputNames,this.feedInputShapes,!1);try{var r=null==t.batchSize?32:t.batchSize;return zL(r),this.predictLoop(n,r)}finally{qL(n,e)}},n.predictOnBatch=function(e){JL(e,this.inputNames,this.feedInputShapes,!0);var t=(Array.isArray(e)?e[0]:e).shape[0];return this.predictLoop(e,t)},n.standardizeUserDataXY=function(e,t,n,r){if(void 0===n&&(n=!0),null==this.optimizer_)throw new hD("You must compile a model before training/testing. Use LayersModel.compile(modelCompileArgs).");for(var a=[],i=0;i<this.feedOutputShapes.length;++i){var o=this.feedOutputShapes[i];this.feedLossFns[i]===KM?a.push(o.slice(0,o.length-1).concat([1])):a.push(o)}if(function(e,t,n){var r=RD(e.map((function(e){return e.shape[0]})));r.sort();var a=RD(t.map((function(e){return e.shape[0]})));if(a.sort(),r.length>1)throw new fD("All input Tensors (x) should have the same number of samples. Got array shapes: "+JSON.stringify(e.map((function(e){return e.shape}))));if(a.length>1)throw new fD("All target Tensors (y) should have the same number of samples. Got array shapes: "+JSON.stringify(t.map((function(e){return e.shape}))));if(r.length>0&&a.length>0&&!qv(r,a))throw new fD("Input Tensors should have the same number of samples as target Tensors. Found "+r[0]+" input sample(s) and "+a[0]+" target sample(s).")}(e=YL(e,this.feedInputNames,this.feedInputShapes,!1,"input"),t=YL(t,this.feedOutputNames,a,!1,"target")),function(e,t,n){for(var r=[VM,XM,qM],a=0;a<e.length;++a){var i=e[a],o=t[a],s=n[a];if(null!=o){if(o===qM&&1===i.shape[i.shape.length-1])throw new fD("You are passing a target array of shape "+i.shape+" while using a loss 'categorical_crossentropy'. 'categorical_crossentropy'expects targets to be binary matrices (1s and 0s) of shape [samples, classes].");if(-1!==r.indexOf(o))for(var u=i.shape.slice(1),l=s.slice(1),c=0;c<u.length;++c){var p=u[c],h=l[c];if(null!=h&&p!==h)throw new fD("A target Tensor with shape "+i.shape+" was passed for an output of shape "+s+", while using a loss function that expects targets to have the same shape as the output.")}}}}(t,this.feedLossFns,this.feedOutputShapes),this.stateful&&null!=r&&r>0&&e[0].shape[0]%r!=0)throw new fD("In a stateful network, you should only pass inputs with a number of samples that is divisible by the batch size "+r+". Found: "+e[0].shape[0]+" sample(s).");return[e,t]},n.standardizeUserData=function(){var e=xv(regeneratorRuntime.mark((function e(t,n,r,a,i,o){var s,u,l,c,p,h;return regeneratorRuntime.wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if(void 0===i&&(i=!0),s=this.standardizeUserDataXY(t,n,i,o),u=s[0],l=s[1],null==r){e.next=4;break}throw new Error("sample weight is not supported yet.");case 4:if(c=null,null==a){e.next=18;break}p=NL(a,this.outputNames),c=[],h=0;case 9:if(!(h<p.length)){e.next=18;break}return e.t0=c,e.next=13,IL(l[h],null,p[h]);case 13:e.t1=e.sent,e.t0.push.call(e.t0,e.t1);case 15:++h,e.next=9;break;case 18:return e.abrupt("return",[u,l,c]);case 19:case"end":return e.stop()}}),e,this)})));return function(t,n,r,a,i,o){return e.apply(this,arguments)}}(),n.testLoop=function(e,t,n,r,a){var i=this;return void 0===r&&(r=0),uI((function(){var o=i.checkNumSamples(t,n,a,"steps"),s=[];if(r>0)throw new dD("Verbose mode is not implemented yet.");if(null!=a)throw new dD("steps mode in testLoop() is not implemented yet");for(var u=WL(o,n),l=QC(iO(0,o)),c=0;c<u.length;++c){var p=u[c][0],h=u[c][1],f=lO(l,p,h-p),d=BL(t,f),m=e(d);if(0===c)for(var v=0;v<m.length;++v)s.push(GT(0));for(var g=0;g<m.length;++g){var y=m[g];s[g]=lS(s[g],hS(h-p,y))}}for(var b=0;b<s.length;++b)s[b]=pS(s[b],o);return s}))},n.getDedupedMetricsNames=function(){for(var e=this.metricsNames,t=[],n=0;n<e.length;++n){var r=e[n],a=r;if(bD(e,r)>1)a+="_"+bD(e.slice(0,n),r);t.push(a)}return t},n.makeTrainFunction=function(){var e=this;return function(t){var n=[],r=t.slice(0,e.inputs.length),a=t.slice(e.inputs.length,e.inputs.length+e.outputs.length),i=t.slice(e.inputs.length+e.outputs.length,e.inputs.length+2*e.outputs.length),o=[],s=e.collectedTrainableWeights.map((function(e){return e.read()}));return[e.optimizer_.minimize((function(){for(var t=[],s=0;s<e.inputs.length;++s)t.push({key:e.inputs[s],value:r[s]});for(var u,l=new lM(t),c=hM(e.outputs,l,{training:!0}),p=0;p<e.lossFunctions.length;++p){var h=(0,e.lossFunctions[p])(a[p],c[p]);null!=i[p]&&(h=TL(h,i[p]));var f=ME(h);n.push(f),u=0===p?h:lS(u,h)}for(var d=0;d<e.metricsTensors.length;++d){var m=void 0;if(e.outputs.length>1&&d<e.outputs.length)m=n[d];else{var v=e.metricsTensors[d][0],g=e.metricsTensors[d][1];m=ME(v(a[g],c[g]))}cI(m),o.push(m)}return u=ME(u),e.calculateLosses().forEach((function(e){u=lS(u,e)})),u}),!0,s)].concat(o)}},n.makeTestFunction=function(){var e=this;this.testFunction=function(t){return uI((function(){for(var n,r=[],a=t.slice(0,e.inputs.length),i=t.slice(e.inputs.length,e.inputs.length+e.outputs.length),o=[],s=0;s<e.inputs.length;++s)o.push({key:e.inputs[s],value:a[s]});for(var u=new lM(o),l=hM(e.outputs,u),c=0;c<e.lossFunctions.length;++c){var p=e.lossFunctions[c],h=ME(p(i[c],l[c]));n=0===c?h:lS(n,h),r.push(n)}for(var f=0;f<e.metricsTensors.length;++f){var d=e.metricsTensors[f][0],m=e.metricsTensors[f][1],v=ME(d(i[m],l[m]));r.push(v)}return r}))}},n.fit=function(){var e=xv(regeneratorRuntime.mark((function e(t,n,r){return regeneratorRuntime.wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return void 0===r&&(r={}),e.abrupt("return",GL(this,t,n,r));case 2:case"end":return e.stop()}}),e,this)})));return function(t,n,r){return e.apply(this,arguments)}}(),n.fitDataset=function(){var e=xv(regeneratorRuntime.mark((function e(t,n){return regeneratorRuntime.wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return e.abrupt("return",AL(this,t,n));case 1:case"end":return e.stop()}}),e,this)})));return function(t,n){return e.apply(this,arguments)}}(),n.trainOnBatch=function(){var e=xv(regeneratorRuntime.mark((function e(t,n){var r,a,i,o,s,u,l,c,p,h;return regeneratorRuntime.wrap((function(e){for(;;)switch(e.prev=e.next){case 0:return e.next=2,this.standardizeUserData(t,n);case 2:r=e.sent,a=r[0],i=r[1],o=this.makeTrainFunction(),s=o(a.concat(i)),u=[],l=Fv(s);case 9:if((c=l()).done){e.next=17;break}return p=c.value,e.next=13,p.data();case 13:h=e.sent,u.push(h[0]);case 15:e.next=9;break;case 17:return lI(s),qL(r[0],t),qL(r[1],n),e.abrupt("return",xD(u));case 21:case"end":return e.stop()}}),e,this)})));return function(t,n){return e.apply(this,arguments)}}(),n.getNamedWeights=function(e){for(var t=[],n=null!=e&&e.trainableOnly,r=n?this.trainableWeights:this.weights,a=this.getWeights(n),i=0;i<r.length;++i)n&&!r[i].trainable||t.push({name:r[i].originalName,tensor:a[i]});return t},n.dispose=function(){var t=e.prototype.dispose.call(this);if(0===t.refCountAfterDispose&&null!=this.optimizer&&this.isOptimizerOwned){var n=sI().numTensors;this.optimizer_.dispose(),t.numDisposedVariables+=n-sI().numTensors}return t},n.getLossIdentifiers=function(){var e;if("string"==typeof this.loss)e=kD(this.loss);else if(Array.isArray(this.loss)){for(var t,n=Fv(this.loss);!(t=n()).done;){if("string"!=typeof t.value)throw new Error("Serialization of non-string loss is not supported.")}e=this.loss.map((function(e){return kD(e)}))}else{var r=Object.keys(this.loss);e={};for(var a=this.loss,i=0,o=r;i<o.length;i++){var s=o[i];if("string"!=typeof a[s])throw new Error("Serialization of non-string loss is not supported.");e[s]=kD(a[s])}}return e},n.getMetricIdentifiers=function(){if("string"==typeof this.metrics||"function"==typeof this.metrics)return[kD(cL(this.metrics))];if(Array.isArray(this.metrics))return this.metrics.map((function(e){return kD(cL(e))}));var e={};for(var t in this.metrics)e[t]=kD(cL(this.metrics[t]));return e},n.getTrainingConfig=function(){return{loss:this.getLossIdentifiers(),metrics:this.getMetricIdentifiers(),optimizer_config:{class_name:this.optimizer.getClassName(),config:this.optimizer.getConfig()}}},n.loadTrainingConfig=function(e){if(null!=e.weighted_metrics)throw new Error("Loading weight_metrics is not supported yet.");if(null!=e.loss_weights)throw new Error("Loading loss_weights is not supported yet.");if(null!=e.sample_weight_mode)throw new Error("Loading sample_weight_mode is not supported yet.");var t,n,r=WM(bL(e.optimizer_config));if("string"==typeof e.loss)t=ND(e.loss);else if(Array.isArray(e.loss))t=e.loss.map((function(e){return ND(e)}));else if(null!=e.loss)for(var a in t={},e.loss)t[a]=ND(e.loss[a]);if(Array.isArray(e.metrics))n=e.metrics.map((function(e){return ND(e)}));else if(null!=e.metrics)for(var i in n={},e.metrics)n[i]=ND(e.metrics[i]);this.compile({loss:t,metrics:n,optimizer:r})},n.save=function(){var e=xv(regeneratorRuntime.mark((function e(t,n){var r,a,i,o,s,u,l,c,p;return regeneratorRuntime.wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if("string"!=typeof t){e.next=9;break}if(0!==(r=Yk(t)).length){e.next=6;break}throw new fD("Cannot find any save handlers for URL '"+t+"'");case 6:if(!(r.length>1)){e.next=8;break}throw new fD("Found more than one ("+r.length+") save handlers for URL '"+t+"'");case 8:t=r[0];case 9:if(null!=t.save){e.next=11;break}throw new fD("LayersModel.save() cannot proceed because the IOHandler provided does not have the 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e.apply(this,arguments)}}(),n.setUserDefinedMetadata=function(e){hL(e,this.name),this.userDefinedMetadata=e},n.getUserDefinedMetadata=function(){return this.userDefinedMetadata},kv(t,[{key:"stopTraining",get:function(){return this.stopTraining_},set:function(e){this.stopTraining_=e}},{key:"optimizer",get:function(){return this.optimizer_},set:function(e){this.optimizer_!==e&&(this.optimizer_=e,this.isOptimizerOwned=!1)}}]),t}(function(e){function t(n){var r;if((r=e.call(this,{})||this).containerNodes=new Set,r.name=n.name,null==r.name){var a=r.getClassName().toLowerCase();r.name=BD(a)}if(r.supportsMasking=!1,r.trainable_=!0,Array.isArray(n.inputs)?r.inputs=n.inputs.slice():r.inputs=[n.inputs],Array.isArray(n.outputs)?r.outputs=n.outputs.slice():r.outputs=[n.outputs],RD(r.inputs).length!==r.inputs.length)throw new fD("The list of inputs passed to the model is redundant. 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single number for 1D convolution, but received "+JSON.stringify(a.dilationRate));if(2===a.rank){if("number"==typeof a.dilationRate)a.dilationRate=[a.dilationRate,a.dilationRate];else if(2!==a.dilationRate.length)throw new fD("dilationRate must be a number or array of two numbers for 2D convolution, but received "+JSON.stringify(a.dilationRate))}else if(3===a.rank)if("number"==typeof a.dilationRate)a.dilationRate=[a.dilationRate,a.dilationRate,a.dilationRate];else if(3!==a.dilationRate.length)throw new fD("dilationRate must be a number or array of three numbers for 3D convolution, but received "+JSON.stringify(a.dilationRate));return a}return Nv(t,e),t.verifyArgs=function(e){if(yD("kernelSize"in e,"required key 'kernelSize' not in config"),"number"!=typeof e.kernelSize&&!FD(e.kernelSize,"number",1,3))throw new fD("BaseConv expects config.kernelSize to be number or number[] with length 1, 2, or 3, but received "+JSON.stringify(e.kernelSize)+".")},t.prototype.getConfig=function(){var t={kernelSize:this.kernelSize,strides:this.strides,padding:this.padding,dataFormat:this.dataFormat,dilationRate:this.dilationRate,activation:wz(this.activation),useBias:this.useBias,biasInitializer:GO(this.biasInitializer),biasRegularizer:Cz(this.biasRegularizer),activityRegularizer:Cz(this.activityRegularizer),biasConstraint:NM(this.biasConstraint)},n=e.prototype.getConfig.call(this);return Object.assign(t,n),t},t}(iM),qz=function(e){function t(n,r){var a;return(a=e.call(this,n,r)||this).kernel=null,t.verifyArgs(r),a.filters=r.filters,DD(a.filters,"filters"),a.kernelInitializer=jO(r.kernelInitializer||a.DEFAULT_KERNEL_INITIALIZER),a.kernelConstraint=SM(r.kernelConstraint),a.kernelRegularizer=Az(r.kernelRegularizer),a}Nv(t,e);var n=t.prototype;return n.build=function(e){var t;e=XO(e);var n="channelsFirst"===this.dataFormat?1:e.length-1;if(null==e[n])throw new fD("The channel dimension of the input should be defined. Found "+e[n]);var r=e[n],a=this.kernelSize.concat([r,this.filters]);this.kernel=this.addWeight("kernel",a,null,this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint),this.useBias&&(this.bias=this.addWeight("bias",[this.filters],null,this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint)),this.inputSpec=[{ndim:this.rank+2,axes:(t={},t[n]=r,t)}],this.built=!0},n.call=function(e,t){var n=this;return uI((function(){var t;e=KO(e);var r=null==n.bias?null:n.bias.read(),a=MD(n.activation.getClassName());if(null!=a&&2===n.rank)t=Gz(e,n.kernel.read(),r,n.strides,n.padding,n.dataFormat,n.dilationRate,a);else{if(1===n.rank)t=Vz(e,n.kernel.read(),r,n.strides[0],n.padding,n.dataFormat,n.dilationRate[0]);else if(2===n.rank)t=Gz(e,n.kernel.read(),r,n.strides,n.padding,n.dataFormat,n.dilationRate);else{if(3!==n.rank)throw new dD("convolutions greater than 3D are not implemented yet.");t=jz(e,n.kernel.read(),r,n.strides,n.padding,n.dataFormat,n.dilationRate)}null!=n.activation&&(t=n.activation.apply(t))}return t}))},n.computeOutputShape=function(e){e=XO(e);for(var t=[],n="channelsLast"===this.dataFormat?e.slice(1,e.length-1):e.slice(2),r=0;r<n.length;++r){var a=Pz(n[r],this.kernelSize[r],this.padding,this.strides[r],"number"==typeof this.dilationRate?this.dilationRate:this.dilationRate[r]);t.push(a)}var i=[e[0]];return"channelsLast"===this.dataFormat?(i=i.concat(t)).push(this.filters):(i.push(this.filters),i=i.concat(t)),i},n.getConfig=function(){var t={filters:this.filters,kernelInitializer:GO(this.kernelInitializer),kernelRegularizer:Cz(this.kernelRegularizer),kernelConstraint:NM(this.kernelConstraint)},n=e.prototype.getConfig.call(this);return Object.assign(t,n),t},t.verifyArgs=function(e){if(!("filters"in e)||"number"!=typeof e.filters||e.filters<1)throw new fD("Convolution layer expected config.filters to be a 'number' > 0 but got "+JSON.stringify(e.filters))},t}(Hz),Kz=function(e){function t(n){var r;return r=e.call(this,2,n)||this,t.verifyArgs(n),r}return Nv(t,e),t.prototype.getConfig=function(){var t=e.prototype.getConfig.call(this);return delete t.rank,t},t.verifyArgs=function(e){if("number"!=typeof e.kernelSize&&!FD(e.kernelSize,"number",1,2))throw new fD("Conv2D expects config.kernelSize to be number or number[] with length 1 or 2, but received "+JSON.stringify(e.kernelSize)+".")},t}(qz);Kz.className="Conv2D",tS(Kz);var Xz=function(e){function t(n){var r;return r=e.call(this,3,n)||this,t.verifyArgs(n),r}return Nv(t,e),t.prototype.getConfig=function(){var t=e.prototype.getConfig.call(this);return delete t.rank,t},t.verifyArgs=function(e){if("number"!=typeof e.kernelSize&&(!Array.isArray(e.kernelSize)||1!==e.kernelSize.length&&3!==e.kernelSize.length))throw new fD("Conv3D expects config.kernelSize to be number or [number, number, number], but received "+JSON.stringify(e.kernelSize)+".")},t}(qz);Xz.className="Conv3D",tS(Xz);var Yz=function(e){function t(t){var n;if((n=e.call(this,t)||this).inputSpec=[new eM({ndim:4})],"same"!==n.padding&&"valid"!==n.padding)throw new fD("Conv2DTranspose currently supports only padding modes 'same' and 'valid', but received padding mode "+n.padding);return n}Nv(t,e);var n=t.prototype;return n.build=function(e){var t;if(4!==(e=XO(e)).length)throw new fD("Input should have rank 4; Received input shape: "+JSON.stringify(e));var n="channelsFirst"===this.dataFormat?1:e.length-1;if(null==e[n])throw new fD("The channel dimension of the inputs should be defined. Found `None`.");var r=e[n],a=this.kernelSize.concat([this.filters,r]);this.kernel=this.addWeight("kernel",a,"float32",this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint),this.useBias&&(this.bias=this.addWeight("bias",[this.filters],"float32",this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint)),this.inputSpec=[new eM({ndim:4,axes:(t={},t[n]=r,t)})],this.built=!0},n.call=function(e,t){var n=this;return uI((function(){var t=KO(e);if(4!==t.shape.length)throw new fD("Conv2DTranspose.call() expects input tensor to be rank-4, but received a tensor of rank-"+t.shape.length);var r,a,i=t.shape,o=i[0];"channelsFirst"===n.dataFormat?(r=2,a=3):(r=1,a=2);var s=i[r],u=i[a],l=n.kernelSize[0],c=n.kernelSize[1],p=n.strides[0],h=n.strides[1],f=[o,Bz(s,p,l,n.padding),Bz(u,h,c,n.padding),n.filters];"channelsLast"!==n.dataFormat&&(t=gI(t,[0,2,3,1]));var d=pT(t,n.kernel.read(),f,n.strides,n.padding);return"channelsLast"!==n.dataFormat&&(d=gI(d,[0,3,1,2])),null!=n.bias&&(d=xO(d,n.bias.read(),n.dataFormat)),null!=n.activation&&(d=n.activation.apply(d)),d}))},n.computeOutputShape=function(e){var t,n,r,a=(e=XO(e)).slice();"channelsFirst"===this.dataFormat?(t=1,n=2,r=3):(t=3,n=1,r=2);var i=this.kernelSize[0],o=this.kernelSize[1],s=this.strides[0],u=this.strides[1];return a[t]=this.filters,a[n]=Bz(a[n],s,i,this.padding),a[r]=Bz(a[r],u,o,this.padding),a},n.getConfig=function(){var t=e.prototype.getConfig.call(this);return delete t.dilationRate,t},t}(Kz);Yz.className="Conv2DTranspose",tS(Yz);var Jz=function(e){function t(t){var n;if((n=e.call(this,t)||this).inputSpec=[new eM({ndim:5})],"same"!==n.padding&&"valid"!==n.padding)throw new fD("Conv3DTranspose currently supports only padding modes 'same' and 'valid', but received padding mode "+n.padding);return n}Nv(t,e);var n=t.prototype;return n.build=function(e){var t;if(5!==(e=XO(e)).length)throw new fD("Input should have rank 5; Received input shape: "+JSON.stringify(e));var n="channelsFirst"===this.dataFormat?1:e.length-1;if(null==e[n])throw new fD("The channel dimension of the inputs should be defined. Found `None`.");var r=e[n],a=this.kernelSize.concat([this.filters,r]);this.kernel=this.addWeight("kernel",a,"float32",this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint),this.useBias&&(this.bias=this.addWeight("bias",[this.filters],"float32",this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint)),this.inputSpec=[new eM({ndim:5,axes:(t={},t[n]=r,t)})],this.built=!0},n.call=function(e,t){var n=this;return uI((function(){var t=KO(e);if(5!==t.shape.length)throw new fD("Conv3DTranspose.call() expects input tensor to be rank-4, but received a tensor of rank-"+t.shape.length);var r,a,i,o=t.shape,s=o[0];"channelsFirst"===n.dataFormat?(i=2,r=3,a=4):(i=1,r=2,a=3);var u=o[i],l=o[r],c=o[a],p=n.kernelSize[0],h=n.kernelSize[1],f=n.kernelSize[2],d=n.strides[0],m=n.strides[1],v=n.strides[2],g=[s,Bz(u,d,p,n.padding),Bz(l,m,h,n.padding),Bz(c,v,f,n.padding),n.filters];"channelsLast"!==n.dataFormat&&(t=gI(t,[0,2,3,4,1]));var y=dT(t,n.kernel.read(),g,n.strides,n.padding);return"channelsLast"!==n.dataFormat&&(y=gI(y,[0,4,1,2,3])),null!==n.bias&&(y=xO(y,n.bias.read(),n.dataFormat)),null!==n.activation&&(y=n.activation.apply(y)),y}))},n.computeOutputShape=function(e){var t,n,r,a,i=(e=XO(e)).slice();"channelsFirst"===this.dataFormat?(t=1,n=2,r=3,a=4):(t=4,n=1,r=2,a=3);var o=this.kernelSize[0],s=this.kernelSize[1],u=this.kernelSize[2],l=this.strides[0],c=this.strides[1],p=this.strides[2];return i[t]=this.filters,i[n]=Bz(i[n],l,o,this.padding),i[r]=Bz(i[r],c,s,this.padding),i[a]=Bz(i[a],p,u,this.padding),i},n.getConfig=function(){var t=e.prototype.getConfig.call(this);return delete t.dilationRate,t},t}(Xz);Jz.className="Conv3DTranspose",tS(Jz);var Zz=function(e){function t(t,n){var r;if((r=e.call(this,t,n)||this).DEFAULT_DEPTHWISE_INITIALIZER="glorotUniform",r.DEFAULT_POINTWISE_INITIALIZER="glorotUniform",r.depthwiseKernel=null,r.pointwiseKernel=null,null==n.filters)throw new fD("The `filters` configuration field is required by SeparableConv, but is unspecified.");if(null!=n.kernelInitializer||null!=n.kernelRegularizer||null!=n.kernelConstraint)throw new fD("Fields kernelInitializer, kernelRegularizer and kernelConstraint are invalid for SeparableConv2D. Use depthwiseInitializer, depthwiseRegularizer, depthwiseConstraint, pointwiseInitializer, pointwiseRegularizer and pointwiseConstraint instead.");if(null!=n.padding&&"same"!==n.padding&&"valid"!==n.padding)throw new fD("SeparableConv"+r.rank+"D supports only padding modes: 'same' and 'valid', but received "+JSON.stringify(n.padding));return r.depthMultiplier=null==n.depthMultiplier?1:n.depthMultiplier,r.depthwiseInitializer=jO(n.depthwiseInitializer||r.DEFAULT_DEPTHWISE_INITIALIZER),r.depthwiseRegularizer=Az(n.depthwiseRegularizer),r.depthwiseConstraint=SM(n.depthwiseConstraint),r.pointwiseInitializer=jO(n.depthwiseInitializer||r.DEFAULT_POINTWISE_INITIALIZER),r.pointwiseRegularizer=Az(n.pointwiseRegularizer),r.pointwiseConstraint=SM(n.pointwiseConstraint),r}Nv(t,e);var n=t.prototype;return n.build=function(e){var t;if((e=XO(e)).length<this.rank+2)throw new fD("Inputs to SeparableConv"+this.rank+"D should have rank "+(this.rank+2)+", but received input shape: "+JSON.stringify(e));var n="channelsFirst"===this.dataFormat?1:e.length-1;if(null==e[n]||e[n]<0)throw new fD("The channel dimension of the inputs should be defined, but found "+JSON.stringify(e[n]));for(var r=e[n],a=this.kernelSize.concat([r,this.depthMultiplier]),i=[],o=0;o<this.rank;++o)i.push(1);i.push(r*this.depthMultiplier,this.filters);var s=!0;this.depthwiseKernel=this.addWeight("depthwise_kernel",a,"float32",this.depthwiseInitializer,this.depthwiseRegularizer,s,this.depthwiseConstraint),this.pointwiseKernel=this.addWeight("pointwise_kernel",i,"float32",this.pointwiseInitializer,this.pointwiseRegularizer,s,this.pointwiseConstraint),this.useBias?this.bias=this.addWeight("bias",[this.filters],"float32",this.biasInitializer,this.biasRegularizer,s,this.biasConstraint):this.bias=null,this.inputSpec=[new eM({ndim:this.rank+2,axes:(t={},t[n]=r,t)})],this.built=!0},n.call=function(e,t){var n=this;return uI((function(){var t;if(e=KO(e),1===n.rank)throw new dD("1D separable convolution is not implemented yet.");return 2===n.rank&&("channelsFirst"===n.dataFormat&&(e=gI(e,[0,2,3,1])),t=AC(e,n.depthwiseKernel.read(),n.pointwiseKernel.read(),n.strides,n.padding,n.dilationRate,"NHWC")),n.useBias&&(t=xO(t,n.bias.read(),n.dataFormat)),null!=n.activation&&(t=n.activation.apply(t)),"channelsFirst"===n.dataFormat&&(t=gI(t,[0,3,1,2])),t}))},n.getConfig=function(){var t=e.prototype.getConfig.call(this);return delete t.rank,delete t.kernelInitializer,delete t.kernelRegularizer,delete t.kernelConstraint,t.depthwiseInitializer=GO(this.depthwiseInitializer),t.pointwiseInitializer=GO(this.pointwiseInitializer),t.depthwiseRegularizer=Cz(this.depthwiseRegularizer),t.pointwiseRegularizer=Cz(this.pointwiseRegularizer),t.depthwiseConstraint=NM(this.depthwiseConstraint),t.pointwiseConstraint=NM(this.pointwiseConstraint),t},t}(qz);Zz.className="SeparableConv";var Qz=function(e){function t(t){return e.call(this,2,t)||this}return Nv(t,e),t}(Zz);Qz.className="SeparableConv2D",tS(Qz);var $z=function(e){function t(n){var r;return r=e.call(this,1,n)||this,t.verifyArgs(n),r.inputSpec=[{ndim:3}],r}return Nv(t,e),t.prototype.getConfig=function(){var t=e.prototype.getConfig.call(this);return delete t.rank,delete t.dataFormat,t},t.verifyArgs=function(e){if("number"!=typeof e.kernelSize&&!FD(e.kernelSize,"number",1,1))throw new fD("Conv1D expects config.kernelSize to be number or number[] with length 1, but received "+JSON.stringify(e.kernelSize)+".")},t}(qz);$z.className="Conv1D",tS($z);var eP=function(e){function t(t){var n;return n=e.call(this,t)||this,"number"==typeof t.cropping?n.cropping=[[t.cropping,t.cropping],[t.cropping,t.cropping]]:"number"==typeof t.cropping[0]?n.cropping=[[t.cropping[0],t.cropping[0]],[t.cropping[1],t.cropping[1]]]:n.cropping=t.cropping,n.dataFormat=void 0===t.dataFormat?"channelsLast":t.dataFormat,n.inputSpec=[{ndim:4}],n}Nv(t,e);var n=t.prototype;return n.computeOutputShape=function(e){return"channelsFirst"===this.dataFormat?[e[0],e[1],e[2]-this.cropping[0][0]-this.cropping[0][1],e[3]-this.cropping[1][0]-this.cropping[1][1]]:[e[0],e[1]-this.cropping[0][0]-this.cropping[0][1],e[2]-this.cropping[1][0]-this.cropping[1][1],e[3]]},n.call=function(e,t){var n=this;return uI((function(){if(e=KO(e),"channelsLast"===n.dataFormat){var t=pO(e,n.cropping[0][0],e.shape[1]-n.cropping[0][0]-n.cropping[0][1],2);return pO(t,n.cropping[1][0],e.shape[2]-n.cropping[1][1]-n.cropping[1][0],3)}var r=pO(e,n.cropping[0][0],e.shape[2]-n.cropping[0][0]-n.cropping[0][1],3);return pO(r,n.cropping[1][0],e.shape[3]-n.cropping[1][1]-n.cropping[1][0],4)}))},n.getConfig=function(){var t={cropping:this.cropping,dataFormat:this.dataFormat},n=e.prototype.getConfig.call(this);return Object.assign(t,n),t},t}(iM);eP.className="Cropping2D",tS(eP);var tP=function(e){function t(t){var n,r;return(n=e.call(this,t)||this).DEFAULT_SIZE=[2,2],n.inputSpec=[{ndim:4}],n.size=null==t.size?n.DEFAULT_SIZE:t.size,n.dataFormat=null==t.dataFormat?"channelsLast":t.dataFormat,qD(n.dataFormat),n.interpolation=null==t.interpolation?"nearest":t.interpolation,r=n.interpolation,_D(UD,"InterpolationFormat",r),n}Nv(t,e);var n=t.prototype;return n.computeOutputShape=function(e){if("channelsFirst"===this.dataFormat){var t=null==e[2]?null:this.size[0]*e[2],n=null==e[3]?null:this.size[1]*e[3];return[e[0],e[1],t,n]}var r=null==e[1]?null:this.size[0]*e[1],a=null==e[2]?null:this.size[1]*e[2];return[e[0],r,a,e[3]]},n.call=function(e,t){var n=this;return uI((function(){var t=KO(e),r=t.shape;if("channelsFirst"===n.dataFormat){t=gI(t,[0,2,3,1]);var a=n.size[0]*r[2],i=n.size[1]*r[3],o="nearest"===n.interpolation?MA.resizeNearestNeighbor(t,[a,i]):MA.resizeBilinear(t,[a,i]);return gI(o,[0,3,1,2])}var s=n.size[0]*r[1],u=n.size[1]*r[2];return"nearest"===n.interpolation?MA.resizeNearestNeighbor(t,[s,u]):MA.resizeBilinear(t,[s,u])}))},n.getConfig=function(){var t={size:this.size,dataFormat:this.dataFormat,interpolation:this.interpolation},n=e.prototype.getConfig.call(this);return Object.assign(t,n),t},t}(iM);tP.className="UpSampling2D",tS(tP);var nP=function(e){function t(t){var n;return(n=e.call(this,2,t)||this).depthwiseKernel=null,n.depthMultiplier=null==t.depthMultiplier?1:t.depthMultiplier,n.depthwiseInitializer=jO(t.depthwiseInitializer||n.DEFAULT_KERNEL_INITIALIZER),n.depthwiseConstraint=SM(t.depthwiseConstraint),n.depthwiseRegularizer=Az(t.depthwiseRegularizer),n}Nv(t,e);var n=t.prototype;return n.build=function(e){if((e=XO(e)).length<4)throw new fD("Inputs to DepthwiseConv2D should have rank 4. Received input shape: "+JSON.stringify(e)+".");var t="channelsFirst"===this.dataFormat?1:3;if(null==e[t]||e[t]<0)throw new fD("The channel dimension of the inputs to DepthwiseConv2D should be defined, but is not ("+e[t]+").");var n=e[t],r=[this.kernelSize[0],this.kernelSize[1],n,this.depthMultiplier];this.depthwiseKernel=this.addWeight("depthwise_kernel",r,null,this.depthwiseInitializer,this.depthwiseRegularizer,!0,this.depthwiseConstraint),this.useBias?this.bias=this.addWeight("bias",[n*this.depthMultiplier],null,this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint):this.bias=null,this.built=!0},n.call=function(e,t){var n=this;return uI((function(){e=KO(e);var t,r,a,i,o,s,u=(t=e,r=n.depthwiseKernel.read(),a=n.strides,i=n.padding,o=n.dataFormat,s=null,void 0===a&&(a=[1,1]),void 0===i&&(i="valid"),uI((function(){null==o&&(o="channelsLast"),qD(o);var e=Wz(t,o);if(4!==t.rank)throw new fD("Input for depthwiseConv2d is required to be 4-D, but is instead "+t.rank+"-D");if(4!==r.rank)throw new fD("depthwiseKernel is required to be 4-D, but is instead "+r.rank+"-D");return e=wT(e,r,a,"same"===i?"same":"valid","NHWC",s),"channelsFirst"===o&&(e=gI(e,[0,3,1,2])),e})));return n.useBias&&(u=xO(u,n.bias.read(),n.dataFormat)),null!=n.activation&&(u=n.activation.apply(u)),u}))},n.computeOutputShape=function(e){e=XO(e);var t="channelsFirst"===this.dataFormat?e[2]:e[1],n="channelsFirst"===this.dataFormat?e[3]:e[2],r="channelsFirst"===this.dataFormat?e[1]*this.depthMultiplier:e[3]*this.depthMultiplier,a=Pz(t,this.kernelSize[0],this.padding,this.strides[0]),i=Pz(n,this.kernelSize[1],this.padding,this.strides[1]);return"channelsFirst"===this.dataFormat?[e[0],r,a,i]:[e[0],a,i,r]},n.getConfig=function(){var t=e.prototype.getConfig.call(this);return t.depthMultiplier=this.depthMultiplier,t.depthwiseInitializer=GO(this.depthwiseInitializer),t.depthwiseRegularizer=Cz(this.depthwiseRegularizer),t.depthwiseConstraint=NM(this.depthwiseRegularizer),t},t}(Hz);function rP(e,t,n,r){if(Array.isArray(e)){if(null!=t||null!=n)throw new fD("When inputs is an array, neither initialState or constants should be provided");null!=r&&(n=e.slice(e.length-r,e.length),e=e.slice(0,e.length-r)),e.length>1&&(t=e.slice(1,e.length)),e=e[0]}function a(e){return null==e||Array.isArray(e)?e:[e]}return{inputs:e,initialState:t=a(t),constants:n=a(n)}}function aP(e,t,n,r,a,i,o,s){return void 0===r&&(r=!1),void 0===o&&(o=!1),void 0===s&&(s=!1),uI((function(){var u=t.shape.length;if(u<3)throw new fD("Input should be at least 3D, but is "+u+"D.");var l=[1,0].concat(iO(2,u));if(t=gI(t,l),null!=i)throw new dD("The rnn() functoin of the deeplearn.js backend does not support constants yet.");o&&console.warn("Backend rnn(): the unroll = true option is not applicable to the imperative deeplearn.js backend."),null!=a&&((a=ON(ON(a,"bool"),"float32")).rank===u-1&&(a=ZT(a,-1)),a=gI(a,l)),r&&(t=kC(t,0),null!=a&&(a=kC(a,0)));var c,p,h=[],f=n,d=t.shape[0],m=sR(t);null!=a&&(p=sR(a));for(var v,g=function(t){var n=m[t],r=uI((function(){return e(n,f)}));if(null==a)c=r[0],f=r[1];else{var i=uI((function(){var e=p[t],n=wE(qE(e),e);return{output:lS(hS(r[0],e),hS(f[0],n)),newStates:f.map((function(t,a){return lS(hS(r[1][a],e),hS(t,n))}))}}));c=i.output,f=i.newStates}s&&h.push(c)},y=0;y<d;++y)g(y);if(s){v=XC(h,1)}return[c,v,f]}))}nP.className="DepthwiseConv2D",tS(nP);var iP=function(e){function t(t){var n,r;if(n=e.call(this,t)||this,null==t.cell)throw new fD("cell property is missing for the constructor of RNN.");if(null==(r=Array.isArray(t.cell)?new fP({cells:t.cell}):t.cell).stateSize)throw new fD("The RNN cell should have an attribute `stateSize` (tuple of integers, one integer per RNN state).");return n.cell=r,n.returnSequences=null!=t.returnSequences&&t.returnSequences,n.returnState=null!=t.returnState&&t.returnState,n.goBackwards=null!=t.goBackwards&&t.goBackwards,n._stateful=null!=t.stateful&&t.stateful,n.unroll=null!=t.unroll&&t.unroll,n.supportsMasking=!0,n.inputSpec=[new eM({ndim:3})],n.stateSpec=null,n.states_=null,n.numConstants=null,n.keptStates=[],n}Nv(t,e);var n=t.prototype;return n.getStates=function(){return null==this.states_?iO(0,Array.isArray(this.cell.stateSize)?this.cell.stateSize.length:1).map((function(e){return null})):this.states_},n.setStates=function(e){this.states_=e},n.computeOutputShape=function(e){HO(e)&&(e=e[0]),e=e;var t=this.cell.stateSize;Array.isArray(t)||(t=[t]);var n,r=t[0];if(n=this.returnSequences?[e[0],e[1],r]:[e[0],r],this.returnState){for(var a,i=[],o=Fv(t);!(a=o()).done;){var s=a.value;i.push([e[0],s])}return[n].concat(i)}return n},n.computeMask=function(e,t){var n=this;return uI((function(){Array.isArray(t)&&(t=t[0]);var e=n.returnSequences?t:null;if(n.returnState){var r=n.states.map((function(e){return null}));return[e].concat(r)}return e}))},n.build=function(e){if(null!=this.numConstants)throw new dD("Constants support is not implemented in RNN yet.");HO(e)&&(e=e[0]),e=e;var t=this.stateful?e[0]:null,n=e.slice(2);this.inputSpec[0]=new eM({shape:[t,null].concat(n)});var r,a=[e[0]].concat(e.slice(2));if(this.cell.build(a),r=Array.isArray(this.cell.stateSize)?this.cell.stateSize:[this.cell.stateSize],null!=this.stateSpec){if(!qv(this.stateSpec.map((function(e){return e.shape[e.shape.length-1]})),r))throw new fD("An initialState was passed that is not compatible with cell.stateSize. Received stateSpec="+this.stateSpec+"; However cell.stateSize is "+this.cell.stateSize)}else this.stateSpec=r.map((function(e){return new eM({shape:[null,e]})}));this.stateful&&this.resetStates()},n.resetStates=function(e,t){var n=this;void 0===t&&(t=!1),uI((function(){if(!n.stateful)throw new pD("Cannot call resetStates() on an RNN Layer that is not stateful.");var r=n.inputSpec[0].shape[0];if(null==r)throw new fD("If an RNN is stateful, it needs to know its batch size. Specify the batch size of your input tensors: \n- If using a Sequential model, specify the batch size by passing a `batchInputShape` option to your first layer.\n- If using the functional API, specify the batch size by passing a `batchShape` option to your Input layer.");if(null==n.states_)Array.isArray(n.cell.stateSize)?n.states_=n.cell.stateSize.map((function(e){return LE([r,e])})):n.states_=[LE([r,n.cell.stateSize])];else if(null==e)lI(n.states_),null!=n.keptStates&&(lI(n.keptStates),n.keptStates=[]),Array.isArray(n.cell.stateSize)?n.states_=n.cell.stateSize.map((function(e){return LE([r,e])})):n.states_[0]=LE([r,n.cell.stateSize]);else{if(Array.isArray(e)||(e=[e]),e.length!==n.states_.length)throw new fD("Layer "+n.name+" expects "+n.states_.length+" state(s), but it received "+e.length+" state value(s). Input received: "+e);!0===t?n.keptStates.push(n.states_.slice()):lI(n.states_);for(var a=0;a<n.states_.length;++a){var i=e[a],o=Array.isArray(n.cell.stateSize)?n.cell.stateSize[a]:n.cell.stateSize,s=[r,o];if(!qv(i.shape,s))throw new fD("State "+a+" is incompatible with layer "+n.name+": expected shape="+s+", received shape="+i.shape);n.states_[a]=i}}n.states_=n.states_.map((function(e){return cI(e.clone())}))}))},n.apply=function(t,n){var r=null==n?null:n.initialState,a=null==n?null:n.constants;null==n&&(n={});var i=rP(t,r,a,this.numConstants);t=i.inputs,r=i.initialState,a=i.constants;var o=[],s=[];if(null!=r){n.initialState=r,o=o.concat(r),this.stateSpec=[];for(var u,l=Fv(r);!(u=l()).done;){var c=u.value;this.stateSpec.push(new eM({shape:c.shape}))}s=s.concat(this.stateSpec)}if(null!=a&&(n.constants=a,o=o.concat(a),this.numConstants=a.length),o[0]instanceof tM){var p=[t].concat(o),h=this.inputSpec.concat(s),f=this.inputSpec;this.inputSpec=h;var d=e.prototype.apply.call(this,p,n);return this.inputSpec=f,d}return e.prototype.apply.call(this,t,n)},n.call=function(e,t){var n=this;return uI((function(){var r=null==t?null:t.mask,a=null==t?null:t.training,i=null==t?null:t.initialState;e=KO(e),null==i&&(i=n.stateful?n.states_:n.getInitialState(e));var o=Array.isArray(n.cell.stateSize)?n.cell.stateSize.length:1;if(i.length!==o)throw new fD("RNN Layer has "+o+" state(s) but was passed "+i.length+" initial state(s).");n.unroll&&console.warn("Ignoring unroll = true for RNN layer, due to imperative backend.");var s={training:a},u=aP((function(e,t){var r=n.cell.call([e].concat(t),s);return[r[0],r.slice(1)]}),e,i,n.goBackwards,r,null,n.unroll,n.returnSequences),l=u[0],c=u[1],p=u[2];n.stateful&&n.resetStates(p,a);var h=n.returnSequences?c:l;return n.returnState?[h].concat(p):h}))},n.getInitialState=function(e){var t=this;return uI((function(){var n=LE(e.shape);return n=uO(n=qT(n,[1,2])),Array.isArray(t.cell.stateSize)?t.cell.stateSize.map((function(e){return e>1?dO(n,[1,e]):n})):t.cell.stateSize>1?[dO(n,[1,t.cell.stateSize])]:[n]}))},n.setFastWeightInitDuringBuild=function(t){e.prototype.setFastWeightInitDuringBuild.call(this,t),null!=this.cell&&this.cell.setFastWeightInitDuringBuild(t)},n.getConfig=function(){var n=e.prototype.getConfig.call(this),r={returnSequences:this.returnSequences,returnState:this.returnState,goBackwards:this.goBackwards,stateful:this.stateful,unroll:this.unroll};null!=this.numConstants&&(r.numConstants=this.numConstants);var a=this.cell.getConfig();return this.getClassName()===t.className&&(r.cell={className:this.cell.getClassName(),config:a}),Object.assign({},a,n,r)},t.fromConfig=function(e,t,n){void 0===n&&(n={});var r=WM(t.cell,n);return new e(Object.assign(t,{cell:r}))},kv(t,[{key:"states",get:function(){if(null==this.states_){for(var e=Array.isArray(this.cell.stateSize)?this.cell.stateSize.length:1,t=[],n=0;n<e;++n)t.push(null);return t}return this.states_},set:function(e){this.states_=e}},{key:"trainableWeights",get:function(){return this.trainable?this.cell.trainableWeights:[]}},{key:"nonTrainableWeights",get:function(){return this.trainable?this.cell.nonTrainableWeights:this.cell.weights}}]),t}(iM);iP.className="RNN",tS(iP);var oP=function(e){function t(){return e.apply(this,arguments)||this}return Nv(t,e),t}(iM),sP=function(e){function t(t){var n;return(n=e.call(this,t)||this).DEFAULT_ACTIVATION="tanh",n.DEFAULT_KERNEL_INITIALIZER="glorotNormal",n.DEFAULT_RECURRENT_INITIALIZER="orthogonal",n.DEFAULT_BIAS_INITIALIZER="zeros",n.units=t.units,DD(n.units,"units"),n.activation=Nz(null==t.activation?n.DEFAULT_ACTIVATION:t.activation),n.useBias=null==t.useBias||t.useBias,n.kernelInitializer=jO(t.kernelInitializer||n.DEFAULT_KERNEL_INITIALIZER),n.recurrentInitializer=jO(t.recurrentInitializer||n.DEFAULT_RECURRENT_INITIALIZER),n.biasInitializer=jO(t.biasInitializer||n.DEFAULT_BIAS_INITIALIZER),n.kernelRegularizer=Az(t.kernelRegularizer),n.recurrentRegularizer=Az(t.recurrentRegularizer),n.biasRegularizer=Az(t.biasRegularizer),n.kernelConstraint=SM(t.kernelConstraint),n.recurrentConstraint=SM(t.recurrentConstraint),n.biasConstraint=SM(t.biasConstraint),n.dropout=rO([1,aO([0,null==t.dropout?0:t.dropout])]),n.recurrentDropout=rO([1,aO([0,null==t.recurrentDropout?0:t.recurrentDropout])]),n.dropoutFunc=t.dropoutFunc,n.stateSize=n.units,n.dropoutMask=null,n.recurrentDropoutMask=null,n}Nv(t,e);var n=t.prototype;return n.build=function(e){e=XO(e),this.kernel=this.addWeight("kernel",[e[e.length-1],this.units],null,this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint),this.recurrentKernel=this.addWeight("recurrent_kernel",[this.units,this.units],null,this.recurrentInitializer,this.recurrentRegularizer,!0,this.recurrentConstraint),this.useBias?this.bias=this.addWeight("bias",[this.units],null,this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint):this.bias=null,this.built=!0},n.call=function(e,t){var n=this;return uI((function(){if(2!==(e=e).length)throw new fD("SimpleRNNCell expects 2 input Tensors, got "+e.length+".");var r=e[1];e=e[0];var a,i=null!=t.training&&t.training;0<n.dropout&&n.dropout<1&&null==n.dropoutMask&&(n.dropoutMask=dP({ones:function(){return qE(e)},rate:n.dropout,training:i,dropoutFunc:n.dropoutFunc})),0<n.recurrentDropout&&n.recurrentDropout<1&&null==n.recurrentDropoutMask&&(n.recurrentDropoutMask=dP({ones:function(){return qE(r)},rate:n.recurrentDropout,training:i,dropoutFunc:n.dropoutFunc}));var o=n.dropoutMask,s=n.recurrentDropoutMask;a=vO(null!=o?hS(e,o):e,n.kernel.read()),null!=n.bias&&(a=xO(a,n.bias.read())),null!=s&&(r=hS(r,s));var u=lS(a,vO(r,n.recurrentKernel.read()));return null!=n.activation&&(u=n.activation.apply(u)),[u,u]}))},n.getConfig=function(){var t=e.prototype.getConfig.call(this),n={units:this.units,activation:wz(this.activation),useBias:this.useBias,kernelInitializer:GO(this.kernelInitializer),recurrentInitializer:GO(this.recurrentInitializer),biasInitializer:GO(this.biasInitializer),kernelRegularizer:Cz(this.kernelRegularizer),recurrentRegularizer:Cz(this.recurrentRegularizer),biasRegularizer:Cz(this.biasRegularizer),activityRegularizer:Cz(this.activityRegularizer),kernelConstraint:NM(this.kernelConstraint),recurrentConstraint:NM(this.recurrentConstraint),biasConstraint:NM(this.biasConstraint),dropout:this.dropout,recurrentDropout:this.recurrentDropout};return Object.assign({},t,n)},t}(oP);sP.className="SimpleRNNCell",tS(sP);var uP=function(e){function t(t){return t.cell=new sP(t),e.call(this,t)||this}return Nv(t,e),t.prototype.call=function(t,n){var r=this;return uI((function(){null!=r.cell.dropoutMask&&(lI(r.cell.dropoutMask),r.cell.dropoutMask=null),null!=r.cell.recurrentDropoutMask&&(lI(r.cell.recurrentDropoutMask),r.cell.recurrentDropoutMask=null);var a=null==n?null:n.mask,i=null==n?null:n.training,o=null==n?null:n.initialState;return e.prototype.call.call(r,t,{mask:a,training:i,initialState:o})}))},t.fromConfig=function(e,t){return new e(t)},t}(iP);uP.className="SimpleRNN",tS(uP);var lP=function(e){function t(t){var n;if((n=e.call(this,t)||this).DEFAULT_ACTIVATION="tanh",n.DEFAULT_RECURRENT_ACTIVATION="hardSigmoid",n.DEFAULT_KERNEL_INITIALIZER="glorotNormal",n.DEFAULT_RECURRENT_INITIALIZER="orthogonal",n.DEFAULT_BIAS_INITIALIZER="zeros",t.resetAfter)throw new fD("GRUCell does not support reset_after parameter set to true.");return n.units=t.units,DD(n.units,"units"),n.activation=Nz(void 0===t.activation?n.DEFAULT_ACTIVATION:t.activation),n.recurrentActivation=Nz(void 0===t.recurrentActivation?n.DEFAULT_RECURRENT_ACTIVATION:t.recurrentActivation),n.useBias=null==t.useBias||t.useBias,n.kernelInitializer=jO(t.kernelInitializer||n.DEFAULT_KERNEL_INITIALIZER),n.recurrentInitializer=jO(t.recurrentInitializer||n.DEFAULT_RECURRENT_INITIALIZER),n.biasInitializer=jO(t.biasInitializer||n.DEFAULT_BIAS_INITIALIZER),n.kernelRegularizer=Az(t.kernelRegularizer),n.recurrentRegularizer=Az(t.recurrentRegularizer),n.biasRegularizer=Az(t.biasRegularizer),n.kernelConstraint=SM(t.kernelConstraint),n.recurrentConstraint=SM(t.recurrentConstraint),n.biasConstraint=SM(t.biasConstraint),n.dropout=rO([1,aO([0,null==t.dropout?0:t.dropout])]),n.recurrentDropout=rO([1,aO([0,null==t.recurrentDropout?0:t.recurrentDropout])]),n.dropoutFunc=t.dropoutFunc,n.implementation=t.implementation,n.stateSize=n.units,n.dropoutMask=null,n.recurrentDropoutMask=null,n}Nv(t,e);var n=t.prototype;return n.build=function(e){var t=(e=XO(e))[e.length-1];this.kernel=this.addWeight("kernel",[t,3*this.units],null,this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint),this.recurrentKernel=this.addWeight("recurrent_kernel",[this.units,3*this.units],null,this.recurrentInitializer,this.recurrentRegularizer,!0,this.recurrentConstraint),this.useBias?this.bias=this.addWeight("bias",[3*this.units],null,this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint):this.bias=null,this.built=!0},n.call=function(e,t){var n=this;return uI((function(){if(2!==(e=e).length)throw new fD("GRUCell expects 2 input Tensors (inputs, h, c), got "+e.length+".");var r=null!=t.training&&t.training,a=e[1];e=e[0],0<n.dropout&&n.dropout<1&&null==n.dropoutMask&&(n.dropoutMask=dP({ones:function(){return qE(e)},rate:n.dropout,training:r,count:3,dropoutFunc:n.dropoutFunc})),0<n.recurrentDropout&&n.recurrentDropout<1&&null==n.recurrentDropoutMask&&(n.recurrentDropoutMask=dP({ones:function(){return qE(a)},rate:n.recurrentDropout,training:r,count:3,dropoutFunc:n.dropoutFunc}));var i,o,s,u=n.dropoutMask,l=n.recurrentDropoutMask;0<n.dropout&&n.dropout<1&&(e=hS(e,u[0]));var c=vO(e,n.kernel.read());n.useBias&&(c=xO(c,n.bias.read())),0<n.recurrentDropout&&n.recurrentDropout<1&&(a=hS(a,l[0]));var p=n.recurrentKernel.read(),h=jC(p,[2*n.units,n.units],p.rank-1),f=h[0],d=h[1],m=vO(a,f),v=jC(c,3,c.rank-1),g=v[0],y=v[1],b=v[2],x=jC(m,2,m.rank-1),w=x[0],k=x[1];i=n.recurrentActivation.apply(lS(g,w)),o=n.recurrentActivation.apply(lS(y,k));var N=vO(hS(o,a),d);s=n.activation.apply(lS(b,N));var I=lS(hS(i,a),hS(lS(1,mI(i)),s));return[I,I]}))},n.getConfig=function(){var t=e.prototype.getConfig.call(this),n={units:this.units,activation:wz(this.activation),recurrentActivation:wz(this.recurrentActivation),useBias:this.useBias,kernelInitializer:GO(this.kernelInitializer),recurrentInitializer:GO(this.recurrentInitializer),biasInitializer:GO(this.biasInitializer),kernelRegularizer:Cz(this.kernelRegularizer),recurrentRegularizer:Cz(this.recurrentRegularizer),biasRegularizer:Cz(this.biasRegularizer),activityRegularizer:Cz(this.activityRegularizer),kernelConstraint:NM(this.kernelConstraint),recurrentConstraint:NM(this.recurrentConstraint),biasConstraint:NM(this.biasConstraint),dropout:this.dropout,recurrentDropout:this.recurrentDropout,implementation:this.implementation,resetAfter:!1};return Object.assign({},t,n)},t}(oP);lP.className="GRUCell",tS(lP);var cP=function(e){function t(t){return 0===t.implementation&&console.warn("`implementation=0` has been deprecated, and now defaults to `implementation=1`. Please update your layer call."),t.cell=new lP(t),e.call(this,t)||this}return Nv(t,e),t.prototype.call=function(t,n){var r=this;return uI((function(){null!=r.cell.dropoutMask&&(lI(r.cell.dropoutMask),r.cell.dropoutMask=null),null!=r.cell.recurrentDropoutMask&&(lI(r.cell.recurrentDropoutMask),r.cell.recurrentDropoutMask=null);var a=null==n?null:n.mask,i=null==n?null:n.training,o=null==n?null:n.initialState;return e.prototype.call.call(r,t,{mask:a,training:i,initialState:o})}))},t.fromConfig=function(e,t){return 0===t.implmentation&&(t.implementation=1),new e(t)},t}(iP);cP.className="GRU",tS(cP);var pP=function(e){function t(t){var n;return(n=e.call(this,t)||this).DEFAULT_ACTIVATION="tanh",n.DEFAULT_RECURRENT_ACTIVATION="hardSigmoid",n.DEFAULT_KERNEL_INITIALIZER="glorotNormal",n.DEFAULT_RECURRENT_INITIALIZER="orthogonal",n.DEFAULT_BIAS_INITIALIZER="zeros",n.units=t.units,DD(n.units,"units"),n.activation=Nz(void 0===t.activation?n.DEFAULT_ACTIVATION:t.activation),n.recurrentActivation=Nz(void 0===t.recurrentActivation?n.DEFAULT_RECURRENT_ACTIVATION:t.recurrentActivation),n.useBias=null==t.useBias||t.useBias,n.kernelInitializer=jO(t.kernelInitializer||n.DEFAULT_KERNEL_INITIALIZER),n.recurrentInitializer=jO(t.recurrentInitializer||n.DEFAULT_RECURRENT_INITIALIZER),n.biasInitializer=jO(t.biasInitializer||n.DEFAULT_BIAS_INITIALIZER),n.unitForgetBias=t.unitForgetBias,n.kernelRegularizer=Az(t.kernelRegularizer),n.recurrentRegularizer=Az(t.recurrentRegularizer),n.biasRegularizer=Az(t.biasRegularizer),n.kernelConstraint=SM(t.kernelConstraint),n.recurrentConstraint=SM(t.recurrentConstraint),n.biasConstraint=SM(t.biasConstraint),n.dropout=rO([1,aO([0,null==t.dropout?0:t.dropout])]),n.recurrentDropout=rO([1,aO([0,null==t.recurrentDropout?0:t.recurrentDropout])]),n.dropoutFunc=t.dropoutFunc,n.implementation=t.implementation,n.stateSize=[n.units,n.units],n.dropoutMask=null,n.recurrentDropoutMask=null,n}Nv(t,e);var n=t.prototype;return n.build=function(e){var t,n,r=(e=XO(e))[e.length-1];if(this.kernel=this.addWeight("kernel",[r,4*this.units],null,this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint),this.recurrentKernel=this.addWeight("recurrent_kernel",[this.units,4*this.units],null,this.recurrentInitializer,this.recurrentRegularizer,!0,this.recurrentConstraint),this.useBias){if(this.unitForgetBias){var a=this.biasInitializer,i=this.units;n=new((t=function(e){function t(){return e.apply(this,arguments)||this}return Nv(t,e),t.prototype.apply=function(e,t){var n=a.apply([i]),r=(new EO).apply([i]),o=a.apply([2*i]);return fO(fO(n,r),o)},t}(SO)).className="CustomInit",t)}else n=this.biasInitializer;this.bias=this.addWeight("bias",[4*this.units],null,n,this.biasRegularizer,!0,this.biasConstraint)}else this.bias=null;this.built=!0},n.call=function(e,t){var n=this;return uI((function(){var r=null!=t.training&&t.training;if(3!==(e=e).length)throw new fD("LSTMCell expects 3 input Tensors (inputs, h, c), got "+e.length+".");var a=e[1],i=e[2];e=e[0],0<n.dropout&&n.dropout<1&&null==n.dropoutMask&&(n.dropoutMask=dP({ones:function(){return qE(e)},rate:n.dropout,training:r,count:4,dropoutFunc:n.dropoutFunc})),0<n.recurrentDropout&&n.recurrentDropout<1&&null==n.recurrentDropoutMask&&(n.recurrentDropoutMask=dP({ones:function(){return qE(a)},rate:n.recurrentDropout,training:r,count:4,dropoutFunc:n.dropoutFunc}));var o,s,u,l,c=n.dropoutMask,p=n.recurrentDropoutMask;0<n.dropout&&n.dropout<1&&(e=hS(e,c[0]));var h=vO(e,n.kernel.read());0<n.recurrentDropout&&n.recurrentDropout<1&&(a=hS(a,p[0])),h=lS(h,vO(a,n.recurrentKernel.read())),n.useBias&&(h=xO(h,n.bias.read()));var f=jC(h,4,h.rank-1),d=f[0],m=f[1],v=f[2],g=f[3];o=n.recurrentActivation.apply(d),s=n.recurrentActivation.apply(m),u=lS(hS(s,i),hS(o,n.activation.apply(v))),l=n.recurrentActivation.apply(g);var y=hS(l,n.activation.apply(u));return[y,y,u]}))},n.getConfig=function(){var t=e.prototype.getConfig.call(this),n={units:this.units,activation:wz(this.activation),recurrentActivation:wz(this.recurrentActivation),useBias:this.useBias,kernelInitializer:GO(this.kernelInitializer),recurrentInitializer:GO(this.recurrentInitializer),biasInitializer:GO(this.biasInitializer),unitForgetBias:this.unitForgetBias,kernelRegularizer:Cz(this.kernelRegularizer),recurrentRegularizer:Cz(this.recurrentRegularizer),biasRegularizer:Cz(this.biasRegularizer),activityRegularizer:Cz(this.activityRegularizer),kernelConstraint:NM(this.kernelConstraint),recurrentConstraint:NM(this.recurrentConstraint),biasConstraint:NM(this.biasConstraint),dropout:this.dropout,recurrentDropout:this.recurrentDropout,implementation:this.implementation};return Object.assign({},t,n)},t}(oP);pP.className="LSTMCell",tS(pP);var hP=function(e){function t(t){return 0===t.implementation&&console.warn("`implementation=0` has been deprecated, and now defaults to `implementation=1`. Please update your layer call."),t.cell=new pP(t),e.call(this,t)||this}return Nv(t,e),t.prototype.call=function(t,n){var r=this;return uI((function(){null!=r.cell.dropoutMask&&(lI(r.cell.dropoutMask),r.cell.dropoutMask=null),null!=r.cell.recurrentDropoutMask&&(lI(r.cell.recurrentDropoutMask),r.cell.recurrentDropoutMask=null);var a=null==n?null:n.mask,i=null==n?null:n.training,o=null==n?null:n.initialState;return e.prototype.call.call(r,t,{mask:a,training:i,initialState:o})}))},t.fromConfig=function(e,t){return 0===t.implmentation&&(t.implementation=1),new e(t)},t}(iP);hP.className="LSTM",tS(hP);var fP=function(e){function t(t){var n;return(n=e.call(this,t)||this).cells=t.cells,n}Nv(t,e);var n=t.prototype;return n.call=function(e,t){var n=this;return uI((function(){for(var r,a=(e=e).slice(1),i=[],o=Fv(n.cells.slice().reverse());!(r=o()).done;){var s=r.value;Array.isArray(s.stateSize)?i.push(a.splice(0,s.stateSize.length)):i.push(a.splice(0,1))}i.reverse();for(var u,l=[],c=0;c<n.cells.length;++c){var p=n.cells[c];a=i[c],u=0===c?[e[0]].concat(a):[u[0]].concat(a),u=p.call(u,t),l.push(u.slice(1))}a=[];for(var h,f=Fv(l.slice().reverse());!(h=f()).done;){var d,m=h.value;(d=a).push.apply(d,m)}return[u[0]].concat(a)}))},n.build=function(e){var t;HO(e)&&(e=e[0]),e=e,this.cells.forEach((function(n,r){JD("RNNCell_"+r,(function(){n.build(e),t=Array.isArray(n.stateSize)?n.stateSize[0]:n.stateSize,e=[e[0],t]}))})),this.built=!0},n.getConfig=function(){var t=e.prototype.getConfig.call(this),n={cells:this.cells.map((function(e){return{className:e.getClassName(),config:e.getConfig()}}))};return Object.assign({},t,n)},t.fromConfig=function(e,t,n){void 0===n&&(n={});for(var r,a=[],i=Fv(t.cells);!(r=i()).done;){var o=r.value;a.push(WM(o,n))}return new e({cells:a})},n.getWeights=function(){for(var e,t=[],n=Fv(this.cells);!(e=n()).done;){var r=e.value;t.push.apply(t,r.weights)}return QO(t)},n.setWeights=function(e){for(var t,n=[],r=Fv(this.cells);!(t=r()).done;)for(var a=t.value,i=a.weights.length,o=e.splice(i),s=0;s<a.weights.length;++s)n.push([a.weights[s],o[s]]);$O(n)},kv(t,[{key:"stateSize",get:function(){for(var e,t=[],n=Fv(this.cells.slice().reverse());!(e=n()).done;){var r=e.value;Array.isArray(r.stateSize)?t.push.apply(t,r.stateSize):t.push(r.stateSize)}return t}},{key:"trainableWeights",get:function(){if(!this.trainable)return[];for(var e,t=[],n=Fv(this.cells);!(e=n()).done;){var r=e.value;t.push.apply(t,r.trainableWeights)}return t}},{key:"nonTrainableWeights",get:function(){for(var e,t=[],n=Fv(this.cells);!(e=n()).done;){var r=e.value;t.push.apply(t,r.nonTrainableWeights)}if(!this.trainable){for(var a,i=[],o=Fv(this.cells);!(a=o()).done;){var s=a.value;i.push.apply(i,s.trainableWeights)}return i.concat(t)}return t}}]),t}(oP);function dP(e){var t=e.ones,n=e.rate,r=e.training,a=void 0!==r&&r,i=e.count,o=void 0===i?1:i,s=e.dropoutFunc,u=function(){return null!=s?s(t(),n):wO(t(),n)},l=function(){return kO(u,t,a)};return!o||o<=1?cI(l().clone()):Array(o).fill(void 0).map(l).map((function(e){return cI(e.clone())}))}fP.className="StackedRNNCells",tS(fP);var mP=function(e,t){var n={};for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&t.indexOf(r)<0&&(n[r]=e[r]);if(null!=e&&"function"==typeof Object.getOwnPropertySymbols){var a=0;for(r=Object.getOwnPropertySymbols(e);a<r.length;a++)t.indexOf(r[a])<0&&Object.prototype.propertyIsEnumerable.call(e,r[a])&&(n[r[a]]=e[r[a]])}return n},vP=function(e){function t(t){var n;if(t.unroll)throw new dD("Unrolling is not possible with convolutional RNNs.");if(Array.isArray(t.cell))throw new dD("It is not possible at the moment to stack convolutional cells.");return(n=e.call(this,t)||this).inputSpec=[new eM({ndim:5})],n}Nv(t,e);var n=t.prototype;return n.call=function(t,n){var r=this;return uI((function(){if(null!=r.cell.dropoutMask&&(lI(r.cell.dropoutMask),r.cell.dropoutMask=null),null!=r.cell.recurrentDropoutMask&&(lI(r.cell.recurrentDropoutMask),r.cell.recurrentDropoutMask=null),n&&n.constants)throw new fD("ConvRNN2D cell does not support constants");var a=null==n?null:n.mask,i=null==n?null:n.training,o=null==n?null:n.initialState;return e.prototype.call.call(r,t,{mask:a,training:i,initialState:o})}))},n.computeOutputShape=function(e){var t=this.computeSingleOutputShape(e);return this.returnSequences||(t=[t[0]].concat(t.slice(2))),this.returnState&&(t=[t].concat(Array(2).fill([e[0]].concat(t.slice(-3))))),t},n.getInitialState=function(e){var t=this;return uI((function(){var n=t.cell.stateSize,r=e.shape,a=t.computeSingleOutputShape(r),i=LE([a[0]].concat(a.slice(2)));return Array.isArray(n)?Array(n.length).fill(i):[i]}))},n.resetStates=function(e,t){var n=this;void 0===t&&(t=!1),uI((function(){if(!n.stateful)throw new pD("Cannot call resetStates() on an RNN Layer that is not stateful.");var r=n.inputSpec[0].shape,a=n.computeSingleOutputShape(r),i=[a[0]].concat(a.slice(2));if(null==r[0])throw new fD("If an RNN is stateful, it needs to know its batch size. Specify the batch size of your input tensors: \n- If using a Sequential model, specify the batch size by passing a `batchInputShape` option to your first layer.\n- If using the functional API, specify the batch size by passing a `batchShape` option to your Input layer.");if(null==n.getStates())Array.isArray(n.cell.stateSize)?n.states_=n.cell.stateSize.map((function(){return LE(i)})):n.states_=[LE(i)];else if(null==e)lI(n.states_),null!=n.keptStates&&(lI(n.keptStates),n.keptStates=[]),Array.isArray(n.cell.stateSize)?n.states_=n.cell.stateSize.map((function(){return LE(i)})):n.states_[0]=LE(i);else{if(Array.isArray(e)||(e=[e]),e.length!==n.states_.length)throw new fD("Layer "+n.name+" expects "+n.states_.length+" state(s), but it received "+e.length+" state value(s). Input received: "+e);t?n.keptStates.push(n.states_.slice()):lI(n.states_);for(var o=0;o<n.states_.length;++o){var s=e[o],u=i;if(!qv(s.shape,u))throw new fD("State "+o+" is incompatible with layer "+n.name+": expected shape="+u+", received shape="+s.shape);n.states_[o]=s}}n.states_=n.states_.map((function(e){return cI(e.clone())}))}))},n.computeSingleOutputShape=function(e){var t=this.cell,n=t.dataFormat,r=t.filters,a=t.kernelSize,i=t.padding,o=t.strides,s=t.dilationRate,u="channelsFirst"===n,l=e[u?3:2],c=e[u?4:3],p=Pz(l,a[0],i,o[0],s[0]),h=Pz(c,a[1],i,o[1],s[1]);return[].concat(e.slice(0,2),u?[r,p,h]:[p,h,r])},t}(iP);vP.className="ConvRNN2D";var gP=function(e){function t(t){var n,r=t.filters,a=t.kernelSize,i=t.strides,o=t.padding,s=t.dataFormat,u=t.dilationRate;return(n=e.call(this,Object.assign({},t,{units:r}))||this).filters=r,DD(n.filters,"filters"),n.kernelSize=zz(a,2,"kernelSize"),n.kernelSize.forEach((function(e){return DD(e,"kernelSize")})),n.strides=zz(i||1,2,"strides"),n.strides.forEach((function(e){return DD(e,"strides")})),n.padding=o||"valid",KD(n.padding),n.dataFormat=s||"channelsLast",qD(n.dataFormat),n.dilationRate=zz(u||1,2,"dilationRate"),n.dilationRate.forEach((function(e){return DD(e,"dilationRate")})),n}Nv(t,e);var n=t.prototype;return n.build=function(e){var t;e=XO(e);var n="channelsFirst"===this.dataFormat?1:e.length-1;if(null==e[n])throw new fD("The channel dimension of the input should be defined. Found "+e[n]);var r=e[n],a=this.kernelSize.concat([r,4*this.filters]);this.kernel=this.addWeight("kernel",a,null,this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint);var i=this.kernelSize.concat([this.filters,4*this.filters]);if(this.recurrentKernel=this.addWeight("recurrent_kernel",i,null,this.recurrentInitializer,this.recurrentRegularizer,!0,this.recurrentConstraint),this.useBias){var o;if(this.unitForgetBias){var s=this.biasInitializer,u=this.filters;o=new((t=function(e){function t(){return e.apply(this,arguments)||this}return Nv(t,e),t.prototype.apply=function(e,t){return hO([s.apply([u]),zE([u]),s.apply([2*u])])},t}(SO)).className="CustomInit",t)}else o=this.biasInitializer;this.bias=this.addWeight("bias",[4*this.filters],null,o,this.biasRegularizer,!0,this.biasConstraint)}this.built=!0},n.call=function(e,t){var n=this;return uI((function(){if(3!==e.length)throw new fD("ConvLSTM2DCell expects 3 input Tensors (inputs, h, c), got "+e.length+".");var r=t.training||!1,a=e[0],i=e[1],o=e[2];0<n.dropout&&n.dropout<1&&null==n.dropoutMask&&(n.dropoutMask=dP({ones:function(){return qE(a)},rate:n.dropout,training:r,count:4,dropoutFunc:n.dropoutFunc}));var s=n.dropoutMask,u=function(e,t,n){return t&&t[n]?hS(t[n],e):e},l=u(a,s,0),c=u(a,s,1),p=u(a,s,2),h=u(a,s,3);0<n.recurrentDropout&&n.recurrentDropout<1&&null==n.recurrentDropoutMask&&(n.recurrentDropoutMask=dP({ones:function(){return qE(i)},rate:n.recurrentDropout,training:r,count:4,dropoutFunc:n.dropoutFunc}));var f=n.recurrentDropoutMask,d=u(i,f,0),m=u(i,f,1),v=u(i,f,2),g=u(i,f,3),y=jC(n.kernel.read(),4,3),b=y[0],x=y[1],w=y[2],k=y[3],N=n.useBias?jC(n.bias.read(),4):[null,null,null,null],I=N[0],S=N[1],T=N[2],E=N[3];l=n.inputConv(l,b,I,n.padding),c=n.inputConv(c,x,S,n.padding),p=n.inputConv(p,w,T,n.padding),h=n.inputConv(h,k,E,n.padding);var C=jC(n.recurrentKernel.read(),4,3),R=C[0],A=C[1],_=C[2],F=C[3];d=n.recurrentConv(d,R),m=n.recurrentConv(m,A),v=n.recurrentConv(v,_),g=n.recurrentConv(g,F);var D=n.recurrentActivation.apply(lS(l,d)),O=n.recurrentActivation.apply(lS(c,m)),M=lS(hS(O,o),hS(D,n.activation.apply(lS(p,v)))),L=hS(n.recurrentActivation.apply(lS(h,g)),n.activation.apply(M));return[L,L,M]}))},n.getConfig=function(){var t=e.prototype.getConfig.call(this),n=(t.units,mP(t,["units"])),r={filters:this.filters,kernelSize:this.kernelSize,padding:this.padding,dataFormat:this.dataFormat,dilationRate:this.dilationRate,strides:this.strides};return Object.assign({},n,r)},n.inputConv=function(e,t,n,r){var a=uT(e,t,this.strides,r||"valid","channelsFirst"===this.dataFormat?"NCHW":"NHWC",this.dilationRate);return n?xO(a,n,this.dataFormat):a},n.recurrentConv=function(e,t){return uT(e,t,1,"same","channelsFirst"===this.dataFormat?"NCHW":"NHWC")},t}(pP);gP.className="ConvLSTM2DCell",tS(gP);var yP=function(e){function t(t){var n=new gP(t);return e.call(this,Object.assign({},t,{cell:n}))||this}return Nv(t,e),t.fromConfig=function(e,t){return new e(t)},t}(vP);yP.className="ConvLSTM2D",tS(yP);var bP=function(e){function t(t){var n;return(n=e.call(this,t)||this).rate=Math.max(Math.min(t.rate,1),0),n.noiseShape=t.noiseShape,n.seed=t.seed,n.supportsMasking=!0,n}Nv(t,e);var n=t.prototype;return n.getNoiseShape=function(e){if(null==this.noiseShape)return this.noiseShape;for(var t=e.shape,n=[],r=0;r<this.noiseShape.length;++r)n.push(null==this.noiseShape[r]?t[r]:this.noiseShape[r]);return n},n.call=function(e,t){var n=this;return uI((function(){n.invokeCallHook(e,t);var r=KO(e);if(0<n.rate&&n.rate<1){var a=null!=t.training&&t.training,i=n.getNoiseShape(r);return kO((function(){return wO(r,n.rate,i,n.seed)}),(function(){return r}),a)}return e}))},n.getConfig=function(){var t={rate:this.rate,noiseShape:this.noiseShape,seed:this.seed},n=e.prototype.getConfig.call(this);return Object.assign(t,n),t},n.dispose=function(){return e.prototype.dispose.call(this)},t}(iM);bP.className="Dropout",tS(bP);var xP=function(e){function t(t){var n;return(n=e.call(this,t)||this).inputSpec=[{ndim:3}],n}return Nv(t,e),t.prototype.getNoiseShape=function(e){var t=e.shape;return[t[0],1,t[2]]},t}(bP);xP.className="SpatialDropout1D",tS(xP);var wP=function(e){function t(t){var n;if((n=e.call(this,t)||this).activation=null,n.useBias=!0,n.kernel=null,n.bias=null,n.DEFAULT_KERNEL_INITIALIZER="glorotNormal",n.DEFAULT_BIAS_INITIALIZER="zeros",null==t.batchInputShape&&null==t.inputShape&&null!=t.inputDim){var r=null;null!=t.batchSize&&(r=t.batchSize),n.batchInputShape=[r,t.inputDim]}return n.units=t.units,DD(n.units,"units"),n.activation=Nz(t.activation),null!=t.useBias&&(n.useBias=t.useBias),n.kernelInitializer=jO(t.kernelInitializer||n.DEFAULT_KERNEL_INITIALIZER),n.biasInitializer=jO(t.biasInitializer||n.DEFAULT_BIAS_INITIALIZER),n.kernelConstraint=SM(t.kernelConstraint),n.biasConstraint=SM(t.biasConstraint),n.kernelRegularizer=Az(t.kernelRegularizer),n.biasRegularizer=Az(t.biasRegularizer),n.activityRegularizer=Az(t.activityRegularizer),n.supportsMasking=!0,n.inputSpec=[{minNDim:2}],n}Nv(t,e);var n=t.prototype;return n.build=function(e){var t,n=(e=XO(e))[e.length-1];null==this.kernel&&(this.kernel=this.addWeight("kernel",[n,this.units],null,this.kernelInitializer,this.kernelRegularizer,!0,this.kernelConstraint),this.useBias&&(this.bias=this.addWeight("bias",[this.units],null,this.biasInitializer,this.biasRegularizer,!0,this.biasConstraint))),this.inputSpec=[{minNDim:2,axes:(t={},t[-1]=n,t)}],this.built=!0},n.computeOutputShape=function(e){var t=(e=XO(e)).slice();return t[t.length-1]=this.units,t},n.call=function(e,t){var n=this;return uI((function(){n.invokeCallHook(e,t);var r,a=KO(e),i=MD(n.activation.getClassName());return null!=i?r=vO(a,n.kernel.read(),i,n.bias?n.bias.read():null):(r=vO(a,n.kernel.read()),null!=n.bias&&(r=xO(r,n.bias.read())),null!=n.activation&&(r=n.activation.apply(r))),r}))},n.getConfig=function(){var t={units:this.units,activation:wz(this.activation),useBias:this.useBias,kernelInitializer:GO(this.kernelInitializer),biasInitializer:GO(this.biasInitializer),kernelRegularizer:Cz(this.kernelRegularizer),biasRegularizer:Cz(this.biasRegularizer),activityRegularizer:Cz(this.activityRegularizer),kernelConstraint:NM(this.kernelConstraint),biasConstraint:NM(this.biasConstraint)},n=e.prototype.getConfig.call(this);return Object.assign(t,n),t},t}(iM);wP.className="Dense",tS(wP);var kP=function(e){function t(t){var n;return t=t||{},(n=e.call(this,t)||this).inputSpec=[{minNDim:3}],n.dataFormat=t.dataFormat,n}Nv(t,e);var n=t.prototype;return n.computeOutputShape=function(e){for(var t,n=Fv((e=XO(e)).slice(1));!(t=n()).done;){if(null==t.value)throw new fD('The shape of the input to "Flatten" is not fully defined (got '+e.slice(1)+'). Make sure to pass a complete "input_shape" or "batch_input_shape" argument to the first layer in your model.')}return[e[0],nO(e,1)]},n.call=function(e,t){var n=this;return uI((function(){n.invokeCallHook(e,t);var r=KO(e);if("channelsFirst"===n.dataFormat&&r.rank>1){for(var a=[0],i=2;i<r.rank;++i)a.push(i);a.push(1),r=gI(r,a)}return function(e){if(e.rank<=1)throw new fD("batchFlatten requires a minimum rank of 2. Got rank: "+e.rank+".");var t=[e.shape[0],nO(e.shape,1)];return WS(e,t)}(r)}))},n.getConfig=function(){var t={};null!=this.dataFormat&&(t.dataFormat=this.dataFormat);var n=e.prototype.getConfig.call(this);return Object.assign(t,n),t},t}(iM);kP.className="Flatten",tS(kP);var NP=function(e){function t(t){var n;return(n=e.call(this,t)||this).supportsMasking=!0,n.activation=Nz(t.activation),n}Nv(t,e);var n=t.prototype;return n.call=function(e,t){var n=this;return uI((function(){n.invokeCallHook(e,t);var r=KO(e);return n.activation.apply(r)}))},n.getConfig=function(){var t={activation:wz(this.activation)},n=e.prototype.getConfig.call(this);return Object.assign(t,n),t},t}(iM);NP.className="Activation",tS(NP);var IP=function(e){function t(t){var n;return(n=e.call(this,t)||this).n=t.n,n.inputSpec=[{ndim:2}],n}Nv(t,e);var n=t.prototype;return n.computeOutputShape=function(e){return[e[0],this.n,e[1]]},n.call=function(e,t){var n=this;return uI((function(){return e=KO(e),t=e,r=n.n,uI((function(){if(2!==t.shape.length)throw new fD("repeat() expects a rank-2 tensor, but received a rank-"+t.shape.length+" tensor.");return dO(uO(t,1),[1,r,1])}));var t,r}))},n.getConfig=function(){var t={n:this.n},n=e.prototype.getConfig.call(this);return Object.assign(t,n),t},t}(iM);IP.className="RepeatVector",tS(IP);var SP=function(e){function t(t){var n;(n=e.call(this,t)||this).targetShape=t.targetShape;for(var r=0;r<n.targetShape.length;++r)n.isUnknown(n.targetShape[r])&&(n.targetShape[r]=null);return n}Nv(t,e);var n=t.prototype;return n.isUnknown=function(e){return e<0||null==e},n.fixUnknownDimension=function(e,t){for(var n="Total size of new array must be unchanged.",r=t.slice(),a=1,i=null,o=0;o<r.length;++o){var s=r[o];if(this.isUnknown(s)){if(null!==i)throw new fD("Can only specifiy one unknown dimension.");i=o}else a*=s}var u=nO(e);if(null!==i){if(0===a||u%a!=0)throw new fD(n);r[i]=u/a}else if(u!==a)throw new fD(n);return r},n.computeOutputShape=function(e){for(var t=!1,n=0;n<e.length;++n)if(this.isUnknown(e[n])){t=!0;break}return t?e.slice(0,1).concat(this.targetShape):e.slice(0,1).concat(this.fixUnknownDimension(e.slice(1),this.targetShape))},n.call=function(e,t){var n=this;return uI((function(){n.invokeCallHook(e,t);var r=KO(e),a=r.shape,i=a.slice(0,1).concat(n.fixUnknownDimension(a.slice(1),n.targetShape));return WS(r,i)}))},n.getConfig=function(){var t={targetShape:this.targetShape},n=e.prototype.getConfig.call(this);return Object.assign(t,n),t},t}(iM);SP.className="Reshape",tS(SP);var TP=function(e){function t(t){var n;if(n=e.call(this,t)||this,null==t.dims)throw new Error("Required configuration field `dims` is missing during Permute constructor call.");if(!Array.isArray(t.dims))throw new Error("Permute constructor requires `dims` to be an Array, but received "+t.dims+" instead.");var r=iO(1,t.dims.length+1);if(!qv(t.dims.slice().sort(),r))throw new Error("Invalid permutation `dims`: "+JSON.stringify(t.dims)+" `dims` must contain consecutive integers starting from 1.");return n.dims=t.dims,n.dimsIncludingBatch=[0].concat(n.dims),n.inputSpec=[new eM({ndim:n.dims.length+1})],n}Nv(t,e);var n=t.prototype;return n.computeOutputShape=function(e){var t=(e=XO(e)).slice();return this.dims.forEach((function(n,r){t[r+1]=e[n]})),t},n.call=function(e,t){return gI(KO(e),this.dimsIncludingBatch)},n.getConfig=function(){var t={dims:this.dims},n=e.prototype.getConfig.call(this);return Object.assign(t,n),t},t}(iM);TP.className="Permute",tS(TP);var EP=function(e){function t(t){var n;return(n=e.call(this,null==t?{}:t)||this).supportsMasking=!0,n.maskValue=null!=t?null==t.maskValue?0:t.maskValue:0,n}Nv(t,e);var n=t.prototype;return n.computeOutputShape=function(e){return e},n.getConfig=function(){var t=e.prototype.getConfig.call(this),n={maskValue:this.maskValue};return Object.assign(n,t),n},n.computeMask=function(e,t){var n=KO(e);return yS(HE(n,this.maskValue),-1)},n.call=function(e,t){var n=this;return uI((function(){n.invokeCallHook(e,t);var r=KO(e),a=yS(HE(r,n.maskValue),-1,!0);return hS(r,ON(a,r.dtype))}))},t}(iM);EP.className="Masking",tS(EP);var CP=function(e){function t(t){var n;if((n=e.call(this,t)||this).embeddings=null,n.DEFAULT_EMBEDDINGS_INITIALIZER="randomUniform",null==t.batchInputShape&&null==t.inputShape){var r=null;null!=t.batchSize&&(r=t.batchSize),null==t.inputLength?n.batchInputShape=[r,null]:n.batchInputShape=[r].concat(wD(t.inputLength))}return n.inputDim=t.inputDim,DD(n.inputDim,"inputDim"),n.outputDim=t.outputDim,DD(n.outputDim,"outputDim"),n.embeddingsInitializer=jO(t.embeddingsInitializer||n.DEFAULT_EMBEDDINGS_INITIALIZER),n.embeddingsRegularizer=Az(t.embeddingsRegularizer),n.activityRegularizer=Az(t.activityRegularizer),n.embeddingsConstraint=SM(t.embeddingsConstraint),n.maskZero=t.maskZero,n.supportsMasking=t.maskZero,n.inputLength=t.inputLength,n}Nv(t,e);var n=t.prototype;return n.build=function(e){this.embeddings=this.addWeight("embeddings",[this.inputDim,this.outputDim],this.dtype,this.embeddingsInitializer,this.embeddingsRegularizer,!0,this.embeddingsConstraint),this.built=!0},n.warnOnIncompatibleInputShape=function(e){},n.computeMask=function(e,t){var n=this;return uI((function(){return n.maskZero?(e=KO(e),HE(e,TT(e))):null}))},n.computeOutputShape=function(e){if(e=XO(e),null==this.inputLength)return[].concat(e,[this.outputDim]);var t=wD(this.inputLength);if(t.length!==e.length-1)throw new fD('"inputLength" is '+this.inputLength+", but received input shape has shape "+e);for(var n=0,r=0;r<t.length;++r){var a=t[r],i=e[r+1];if(null!=a&&null!=i&&a!==i)throw new fD('"inputLength" is '+this.inputLength+", but received input shape has shape "+e);null==a&&(t[n]=i),n++}return[e[0]].concat(t,[this.outputDim])},n.call=function(e,t){var n=this;return uI((function(){n.invokeCallHook(e,t);var r=KO(e);"int32"!==r.dtype&&(r=sO(r,"int32"));var a=gO(n.embeddings.read(),WS(r,[r.size]));return WS(a,XO(n.computeOutputShape(r.shape)))}))},n.getConfig=function(){var t={inputDim:this.inputDim,outputDim:this.outputDim,embeddingsInitializer:GO(this.embeddingsInitializer),embeddingsRegularizer:Cz(this.embeddingsRegularizer),activityRegularizer:Cz(this.activityRegularizer),embeddingsConstraint:NM(this.embeddingsConstraint),maskZero:this.maskZero,inputLength:this.inputLength},n=e.prototype.getConfig.call(this);return Object.assign(t,n),t},t}(iM);CP.className="Embedding",tS(CP);var RP=function(e){function t(t){var n;return(n=e.call(this,t||{})||this).supportsMasking=!0,n}Nv(t,e);var n=t.prototype;return n.mergeFunction=function(e){throw new dD},n.computeElementwiseOpOutputShape=function(e,t){if(null==e||null==t)return null;if(e.length<t.length)return this.computeElementwiseOpOutputShape(t,e);if(0===t.length)return e;for(var n=e.slice(0,e.length-t.length),r=0;r<t.length;++r){var a=e[e.length-t.length+r],i=t[r];if(null==a||null==i||a<0||i<0)n.push(null);else if(1===a)n.push(i);else if(1===i)n.push(a);else{if(a!==i)throw new fD("Operands could not be broadcast together with shapes "+JSON.stringify(e)+" "+JSON.stringify(t));n.push(a)}}return n},n.build=function(e){if(Array.isArray(e)&&!Array.isArray(e[0])&&(e=[XO(e)]),(e=e).length<2)throw new fD("A merge layer should be called on an Array of at least 2 inputs. Got "+e.length+" input(s).");for(var t,n=[],r=Fv(e);!(t=r()).done;){var a=t.value;null!=a&&null!==a[0]&&n.push(a[0])}if((n=RD(n)).length>1)throw new fD("Can not merge tensors with different batch sizes. Got tensors with shapes: "+JSON.stringify(e)+".");for(var i=null==e[0]?null:e[0].slice(1),o=1;o<e.length;++o){var s=null==e[o]?null:e[o].slice(1);i=this.computeElementwiseOpOutputShape(i,s)}var u=e.map((function(e){return e.length}));-1===e.indexOf(null)&&1===RD(u).length?this.reshapeRequired=!1:this.reshapeRequired=!0},n.call=function(e,t){var n=this;return uI((function(){if(e=e,n.reshapeRequired){var t=[],r=e.map((function(e){return e.rank}));if(-1===r.indexOf(null)){for(var a,i=aO(r),o=Fv(e);!(a=o()).done;){for(var s=a.value,u=s.rank,l=0;l<i-u;++l)s=uO(s,1);t.push(s)}return n.mergeFunction(t)}for(var c,p=!1,h=Fv(e);!(c=h()).done;){var f=c.value,d=f.rank;if(null==d){var m=f.shape,v=m[0],g=m.slice(1).concat([v]),y=WS(f,[v].concat(nO(m.slice(1))));y=gI(y,[1,0]),y=WS(y,g),t.push(y),p=!0}else if(d>1){var b=iO(1,d).concat([0]);t.push(gI(f,b)),p=!0}else t.push(f)}var x=n.mergeFunction(t),w=x.rank;if(p)if(null==w){var k=x.shape,N=k[k.length-1],I=[N].concat(k.slice(0,k.length-1));x=WS(gI(WS(x,[-1,N]),[1,0]),I)}else if(w>1){var S=[w-1].concat(iO(0,w-1));x=gI(x,S)}return x}return n.mergeFunction(e)}))},n.computeOutputShape=function(e){var t;t=null==(e=e)[0]?null:e[0].slice(1);for(var n=1;n<e.length;++n){var r=null==e[n]?null:e[n].slice(1);t=this.computeElementwiseOpOutputShape(t,r)}for(var a,i=[],o=Fv(e);!(a=o()).done;){var s=a.value;null!=s&&null!==s[0]&&i.push(s[0])}return t=1===(i=RD(i)).length?i.concat(t):[null].concat(t)},n.computeMask=function(e,t){return uI((function(){if(null==t)return null;if(!Array.isArray(t))throw new fD("`mask` should be an Array");if(!Array.isArray(e))throw new fD("`inputs` should be an Array");if(t.length!==e.length)throw new fD("The Array 'inputs' and 'mask' are expected to have the same length, but have different lengths ("+e.length+" vs "+t.length+")");if(t.every((function(e){return null==e})))return null;for(var n=(t=t.map((function(e){return null==e?e:ZT(e,0)})))[0],r=1;r<t.length-1;++r)n=IE(n,t[r]);return n}))},t}(iM),AP=function(e){function t(t){return e.call(this,t)||this}return Nv(t,e),t.prototype.mergeFunction=function(e){return uI((function(){for(var t=e[0].clone(),n=1;n<e.length;++n)t=lS(t,e[n]);return t}))},t}(RP);AP.className="Add",tS(AP);var _P=function(e){function t(t){return e.call(this,t)||this}return Nv(t,e),t.prototype.mergeFunction=function(e){return uI((function(){for(var t=e[0].clone(),n=1;n<e.length;++n)t=hS(t,e[n]);return t}))},t}(RP);_P.className="Multiply",tS(_P);var FP=function(e){function t(t){return e.call(this,t)||this}return Nv(t,e),t.prototype.mergeFunction=function(e){return uI((function(){for(var t=e[0].clone(),n=1;n<e.length;++n)t=lS(t,e[n]);return hS(1/e.length,t)}))},t}(RP);FP.className="Average",tS(FP);var DP=function(e){function t(t){return e.call(this,t)||this}return Nv(t,e),t.prototype.mergeFunction=function(e){return uI((function(){for(var t=e[0],n=1;n<e.length;++n)t=OE(t,e[n]);return t}))},t}(RP);DP.className="Maximum",tS(DP);var OP=function(e){function t(t){return e.call(this,t)||this}return Nv(t,e),t.prototype.mergeFunction=function(e){return uI((function(){for(var t=e[0],n=1;n<e.length;++n)t=BE(t,e[n]);return t}))},t}(RP);OP.className="Minimum",tS(OP);var MP=function(e){function t(t){var n;return(n=e.call(this,t)||this).DEFAULT_AXIS=-1,null==t&&(t={}),n.axis=null==t.axis?n.DEFAULT_AXIS:t.axis,n.supportsMasking=!0,n.reshapeRequired=!1,n}Nv(t,e);var n=t.prototype;return n.build=function(e){if(!Array.isArray(e)||!Array.isArray(e[0])||1===e.length)throw new fD("A `Concatenate` layer should be called on a list of at least 2 inputs");for(var t,n=!0,r=Fv(e=e);!(t=r()).done;){if(null!=t.value){n=!1;break}}if(!n){for(var a=[],i=0;i<e.length;++i){var o=e[i].slice();o.splice(this.axis,1);for(var s,u=!1,l=Fv(a);!(s=l()).done;){if(qv(s.value,o)){u=!0;break}}u||a.push(o)}if(a.length>1)throw new fD("A `Concatenate` layer requires inputs with matching shapes except for the concat axis. Got input shapes: "+JSON.stringify(e))}},n.mergeFunction=function(e){var t=this;return uI((function(){return hO(e,t.axis)}))},n.computeOutputShape=function(e){if(!Array.isArray(e)||!Array.isArray(e[0]))throw new fD("A `Concatenate` layer should be called on a list of inputs.");for(var t,n=e,r=n[0].slice(),a=this.axis<0?r.length+this.axis:this.axis,i=Fv(n.slice(1));!(t=i()).done;){var o=t.value;if(null==r[a]||null==o[a]){r[a]=null;break}r[a]+=o[a]}return r},n.computeMask=function(e,t){var n=this;if(null==t)return null;if(!Array.isArray(t))throw new fD("`mask` should be an array for Concatenate");if(!Array.isArray(e))throw new fD("`inputs` should be an array for Concatenate");if(t.length!==e.length)throw new fD("Mismatch in the length of mask ("+t.length+") and the legnth of inputs ("+e.length+")");return uI((function(){var r=!0;if(t.forEach((function(e){null==e||(r=!1)})),r)return null;for(var a=[],i=0;i<e.length;++i)null==t[i]?a.push(ON(qE(e[i]),"bool")):t[i].rank<e[i].rank?a.push(ZT(t[i],-1)):a.push(t[i]);var o=GS(a,n.axis);return gS(o,-1,!1)}))},n.getConfig=function(){var t={axis:this.axis},n=e.prototype.getConfig.call(this);return Object.assign(t,n),t},t}(RP);function LP(e,t){for(;e<0;)e+=t;return e}MP.className="Concatenate",tS(MP);var zP=function(e){function t(t){var n;return(n=e.call(this,t)||this).axes=t.axes,n.normalize=null!=t.normalize&&t.normalize,n.supportsMasking=!0,n.reshapeRequired=!1,n}Nv(t,e);var n=t.prototype;return n.build=function(e){Uv(Array.isArray(e)&&2===e.length&&Array.isArray(e[0])&&Array.isArray(e[1]),(function(){return"A `Dot` layer should be called on a list of exactly 2 inputs."}));var t=e[0],n=e[1];if(t.length>3||n.length>3)throw new dD("Dot layer does not support tensors of 4D or higher rank yet.");var r=this.interpretAxes(t,n);if(t[r[0]]!==n[r[1]])throw new fD("Dimension incompatibility: "+t[r[0]]+" !== "+n[r[1]])},n.mergeFunction=function(e){if(2!==e.length)throw new fD("A `Dot` layer must be called on exactly 2 inputs, but received "+e.length+" input(s).");var t,n=e[0],r=e[1];return t=Array.isArray(this.axes)?this.axes.map((function(t,n){return LP(t,e[n].shape.length)})):[LP(this.axes,n.shape.length),LP(this.axes,r.shape.length)],this.normalize&&(n=UM(n,t[0]),r=UM(r,t[1])),function(e,t,n){if(e.shape.length>3||t.shape.length>3)throw new dD("batchDot is not implemented for tensors of 4D or higher rank yet");if(Uv(e.shape.length>=2,(function(){return"batchDot requires the rank of x to be >= 2, but got "+e.shape.length})),Uv(e.shape.length>=2,(function(){return"batchDot requires the rank of y to be >= 2, but got "+t.shape.length})),"number"==typeof n&&(n=[n,n]),"complex64"===e.dtype||"complex64"===t.dtype)throw new dD("batchDot is not implemented for complex64-type Tensors yet.");var r=e.shape.length,a=t.shape.length;null==n&&(n=[r-1,a-2]);var i=n;return uI((function(){var n,o;if(r>a){n=r-a;for(var s=[],u=0;u<n;++u)s.push(1);t=WS(t,t.shape.concat(s))}else if(a>r){n=a-r;for(var l=[],c=0;c<n;++c)l.push(1);e=WS(e,e.shape.concat(l))}else n=0;if(2===e.shape.length&&2===t.shape.length)o=i[0]===i[1]?qT(hS(e,t),i[0]):qT(hS(gI(e,[1,0]),t),i[1]);else{var p=i[0]!==e.shape.length-1,h=i[1]===t.shape.length-1;o=rI(e,t,p,h)}if(n>0){for(var f,d=[],m=f=r>a?r+a-3:r-1;m<f+n;++m)d.push(m);o=KC(o,d)}return 1===o.shape.length&&(o=ZT(o,1)),o}))}(n,r,t)},n.interpretAxes=function(e,t){return Array.isArray(this.axes)?this.axes:[LP(this.axes,e.length),LP(this.axes,t.length)]},n.computeOutputShape=function(e){Uv(Array.isArray(e)&&2===e.length&&Array.isArray(e[0])&&Array.isArray(e[1]),(function(){return"A `Dot` layer should be called on a list of exactly 2 inputs."}));var t=e[0].slice(),n=e[1].slice();if(t.length>3||n.length>3)throw new dD("Dot layer does not support tensors of 4D or higher rank yet.");var r=this.interpretAxes(t,n);t.splice(r[0],1),n.splice(r[1],1),n.splice(0,1);var a=t.concat(n);return 1===a.length&&a.push(1),a},n.computeMask=function(e,t){return null},n.getConfig=function(){var t={axes:this.axes,normalize:this.normalize},n=e.prototype.getConfig.call(this);return Object.assign(t,n),t},t}(RP);zP.className="Dot",tS(zP);var PP=function(e){function t(t){var n;return(n=e.call(this,t)||this).supportsMasking=!0,n.stddev=t.stddev,n}Nv(t,e);var n=t.prototype;return n.computeOutputShape=function(e){return e},n.getConfig=function(){var t=e.prototype.getConfig.call(this),n={stddev:this.stddev};return Object.assign(n,t),n},n.call=function(e,t){var n=this;return uI((function(){n.invokeCallHook(e,t);var r=KO(e);return kO((function(){return lS(mO(r.shape,0,n.stddev),r)}),(function(){return r}),t.training||!1)}))},t}(iM);PP.className="GaussianNoise",tS(PP);var BP=function(e){function t(t){var n;return(n=e.call(this,t)||this).supportsMasking=!0,n.rate=t.rate,n}Nv(t,e);var n=t.prototype;return n.computeOutputShape=function(e){return e},n.getConfig=function(){var t=e.prototype.getConfig.call(this),n={rate:this.rate};return Object.assign(n,t),n},n.call=function(e,t){var n=this;return uI((function(){n.invokeCallHook(e,t);var r=KO(e);if(n.rate>0&&n.rate<1){return kO((function(){var e=Math.sqrt(n.rate/(1-n.rate));return hS(r,mO(r.shape,1,e))}),(function(){return r}),t.training||!1)}return r}))},t}(iM);BP.className="GaussianDropout",tS(BP);var WP=function(e){function t(t){var n;return(n=e.call(this,t)||this).supportsMasking=!0,n.rate=t.rate,n.noiseShape=t.noiseShape,n}Nv(t,e);var n=t.prototype;return n._getNoiseShape=function(e){return this.noiseShape||KO(e).shape},n.computeOutputShape=function(e){return e},n.getConfig=function(){var t=e.prototype.getConfig.call(this),n={rate:this.rate};return Object.assign(n,t),n},n.call=function(e,t){var n=this;return uI((function(){if(n.rate<1&&n.rate>0){var r=n._getNoiseShape(e);return kO((function(){var t=KO(e),a=-1.7580993408473766,i=iE(gC(r),n.rate);i=sO(i,"float32");var o=Math.pow((1-n.rate)*(1+n.rate*Math.pow(a,2)),-.5),s=-o*a*n.rate,u=lS(hS(t,i),hS(lS(i,-1),a));return lS(hS(u,o),s)}),(function(){return KO(e)}),t.training||!1)}return e}))},t}(iM);function UP(e,t,n,r,a,i){var o;if(void 0===i&&(i=.001),2===e.rank)o=JS(e,t,n,r,a,i);else if(3===e.rank)o=ZS(e,t,n,r,a,i);else{if(4!==e.rank)throw new dD("batchNormalization is not implemented for array of rank "+e.rank+" yet");o=QS(e,t,n,r,a,i)}return o}function VP(e,t,n,r,a){return void 0===a&&(a=.001),qv(r.slice().sort(),iO(0,e.rank-1))?function(e,t,n,r,a){return void 0===a&&(a=.001),uI((function(){var i=VE(e,r),o=i.mean,s=i.variance;return[UP(e,o,s,n,t,a),o,s]}))}(e,t,n,r,a):function(e,t,n,r,a){return void 0===a&&(a=.001),uI((function(){for(var i,o=VE(e,r),s=o.mean,u=o.variance,l=[],c=Fv(iO(0,e.rank));!(i=c()).done;){var p=i.value;-1!==r.indexOf(p)?l.push(1):l.push(e.shape[p])}var h=WS(s,l),f=WS(u,l),d=null==t?null:WS(t,l),m=null==n?null:WS(n,l);return[UP(e,h,f,m,d,a),s,u]}))}(e,t,n,r,a)}WP.className="AlphaDropout",tS(WP);var GP=function(e){function t(t){var n;return null==t&&(t={}),(n=e.call(this,t)||this).supportsMasking=!0,n.axis=null==t.axis?-1:t.axis,n.momentum=null==t.momentum?.99:t.momentum,n.epsilon=null==t.epsilon?.001:t.epsilon,n.center=null==t.center||t.center,n.scale=null==t.scale||t.scale,n.betaInitializer=jO(t.betaInitializer||"zeros"),n.gammaInitializer=jO(t.gammaInitializer||"ones"),n.movingMeanInitializer=jO(t.movingMeanInitializer||"zeros"),n.movingVarianceInitializer=jO(t.movingVarianceInitializer||"ones"),n.betaConstraint=SM(t.betaConstraint),n.gammaConstraint=SM(t.gammaConstraint),n.betaRegularizer=Az(t.betaRegularizer),n.gammaRegularizer=Az(t.gammaRegularizer),n}Nv(t,e);var n=t.prototype;return n.build=function(e){var t;e=XO(e);var n=this.axis>=0?this.axis:this.axis+e.length,r=e[n];if(null==r)throw new fD("Axis "+n+" of input tensor should have a defined dimension but the layer received an input with shape "+JSON.stringify(e)+".");this.inputSpec=[new eM({ndim:e.length,axes:(t={},t[n]=r,t)})];var a=[r];this.scale&&(this.gamma=this.addWeight("gamma",a,null,this.gammaInitializer,this.gammaRegularizer,!0,this.gammaConstraint)),this.center&&(this.beta=this.addWeight("beta",a,null,this.betaInitializer,this.betaRegularizer,!0,this.betaConstraint)),this.movingMean=this.addWeight("moving_mean",a,null,this.movingMeanInitializer,null,!1),this.movingVariance=this.addWeight("moving_variance",a,null,this.movingVarianceInitializer,null,!1),this.built=!0},n.call=function(e,t){var n=this;return uI((function(){var r=null!=t.training&&t.training,a=KO(e),i=a.shape,o=i.length,s=iO(0,o),u=n.axis>=0?n.axis:n.axis+o;s.splice(u,1);var l=gD(1,o);l[u]=i[u];var c=s.slice();c.sort();var p=!qv(c,iO(0,o).slice(0,o-1));if(!r)return function(){if(p){var e=WS(n.movingMean.read(),l),t=WS(n.movingVariance.read(),l),r=n.center?WS(n.beta.read(),l):null,i=n.scale?WS(n.gamma.read(),l):null;return UP(a,e,t,r,i,n.epsilon)}return UP(a,n.movingMean.read(),n.movingVariance.read(),null==n.beta?null:n.beta.read(),null==n.gamma?null:n.gamma.read(),n.epsilon)}();var h=VP(a,n.gamma.read(),n.beta.read(),s,n.epsilon),f=h[0],d=h[1],m=h[2],v=function(e,t,n){uI((function(){var r=1-n,a=e.read(),i=hS(wE(a,t),r);e.write(wE(a,i))}))};return v(n.movingMean,d,n.momentum),v(n.movingVariance,m,n.momentum),f}))},n.getConfig=function(){var t={axis:this.axis,momentum:this.momentum,epsilon:this.epsilon,center:this.center,scale:this.scale,betaInitializer:GO(this.betaInitializer),gammaInitializer:GO(this.gammaInitializer),movingMeanInitializer:GO(this.movingMeanInitializer),movingVarianceInitializer:GO(this.movingVarianceInitializer),betaRegularizer:Cz(this.betaRegularizer),gammaRegularizer:Cz(this.gammaRegularizer),betaConstraint:NM(this.betaConstraint),gammaConstraint:NM(this.gammaConstraint)},n=e.prototype.getConfig.call(this);return Object.assign(t,n),t},t}(iM);GP.className="BatchNormalization",tS(GP);var jP=function(e){function t(t){var n;if(null==t&&(t={}),(n=e.call(this,t)||this).axis=null==t.axis?-1:t.axis,"number"==typeof n.axis){if(!Number.isInteger(n.axis))throw new Error("Expected axis to be an integer, but received "+n.axis)}else{if(!Array.isArray(n.axis))throw new Error("Expected axis to be an integer or an array of integers, but received "+JSON.stringify(n.axis));for(var r,a=Fv(n.axis);!(r=a()).done;){var i=r.value;if(!Number.isInteger(i))throw new Error("Expected axis to be an array of integers, but received "+JSON.stringify(n.axis))}}return n.epsilon=null==t.epsilon?.001:t.epsilon,n.center=null==t.center||t.center,n.scale=null==t.scale||t.scale,n.betaInitializer=jO(t.betaInitializer||"zeros"),n.gammaInitializer=jO(t.gammaInitializer||"ones"),n.betaRegularizer=Az(t.betaRegularizer),n.gammaRegularizer=Az(t.gammaRegularizer),n.supportsMasking=!0,n}Nv(t,e);var n=t.prototype;return n.build=function(e){var t=(e=XO(e)).length;"number"==typeof this.axis&&(this.axis=[this.axis]);for(var n=0;n<this.axis.length;++n)this.axis[n]<0&&(this.axis[n]+=t);for(var r,a=Fv(this.axis);!(r=a()).done;){var i=r.value;if(i<0||i>=t)throw new Error("Invalid axis: "+i)}if(this.axis.length!==RD(this.axis).length)throw new Error("Found duplicate axes in: "+this.axis);var o=this.axis.map((function(t){return e[t]}));this.scale?this.gamma=this.addWeight("gamma",o,"float32",this.gammaInitializer,this.gammaRegularizer,true):this.gamma=null,this.center?this.beta=this.addWeight("beta",o,"float32",this.betaInitializer,this.betaRegularizer,true):this.beta=null,this.built=!0},n.call=function(e,t){var n=this,r=KO(e),a=r.shape,i=a.length;return uI((function(){for(var e,t=VE(r,n.axis,!0),o=t.mean,s=t.variance,u=gD(1,i),l=Fv(n.axis);!(e=l()).done;){var c=e.value;u[c]=a[c]}for(var p=function(e){return null!=e&&e.shape.length!==i?WS(e,u):e},h=n.scale?p(n.gamma.read()):null,f=n.center?p(n.beta.read()):null,d=[],m=[],v=0;v<i;++v)-1!==n.axis.indexOf(v)?(d.push(a[v]),m.push(1)):(d.push(1),m.push(a[v]));return o=$T(o,d),s=$T(s,d),null!=h&&(h=$T(h,m)),null!=f&&(f=$T(f,m)),UP(r,o,s,f,h,n.epsilon)}))},n.getConfig=function(){var t={axis:this.axis,epsilon:this.epsilon,center:this.center,scale:this.scale,betaInitializer:GO(this.betaInitializer),gammaInitializer:GO(this.gammaInitializer),betaRegularizer:Cz(this.betaRegularizer),gammaRegularizer:Cz(this.gammaRegularizer)},n=e.prototype.getConfig.call(this);return Object.assign(t,n),t},t}(iM);jP.className="LayerNormalization",tS(jP);var HP=function(e){function t(t){var n;if(null==t&&(t={}),(n=e.call(this,t)||this).dataFormat=null==t.dataFormat?"channelsLast":t.dataFormat,null==t.padding)n.padding=[[1,1],[1,1]];else if("number"==typeof t.padding)n.padding=[[t.padding,t.padding],[t.padding,t.padding]];else{if(t.padding=t.padding,2!==t.padding.length)throw new fD("ZeroPadding2D expects padding to be a length-2 array, but received a length-"+t.padding.length+" array.");var r,a;if("number"==typeof t.padding[0])r=[t.padding[0],t.padding[0]],a=[t.padding[1],t.padding[1]];else{if(t.padding=t.padding,2!==t.padding[0].length)throw new fD("ZeroPadding2D expects height padding to be a length-2 array, but received a length-"+t.padding[0].length+" array.");if(r=t.padding[0],2!==t.padding[1].length)throw new fD("ZeroPadding2D expects width padding to be a length-2 array, but received a length-"+t.padding[1].length+" array.");a=t.padding[1]}n.padding=[r,a]}return n.inputSpec=[new eM({ndim:4})],n}Nv(t,e);var n=t.prototype;return n.computeOutputShape=function(e){var t,n;return e=XO(e),"channelsFirst"===this.dataFormat?(t=null!=e[2]&&e[2]>=0?e[2]+this.padding[0][0]+this.padding[0][1]:null,n=null!=e[3]&&e[3]>=0?e[3]+this.padding[1][0]+this.padding[1][1]:null,[e[0],e[1],t,n]):(t=null!=e[1]&&e[1]>=0?e[1]+this.padding[0][0]+this.padding[0][1]:null,n=null!=e[2]&&e[2]>=0?e[2]+this.padding[1][0]+this.padding[1][1]:null,[e[0],t,n,e[3]])},n.call=function(e,t){var n=this;return uI((function(){return t=KO(e),r=n.padding,a=n.dataFormat,uI((function(){if(4!==t.rank)throw new fD("temporalPadding expects input tensor to be 4-D, but received a "+t.rank+"-D tensor.");if(null==r&&(r=[[1,1],[1,1]]),2!==r.length||2!==r[0].length||2!==r[1].length)throw new fD("spatial2dPadding expects `padding` to be an Array of two Arrays, each of which is an Array of two integers.");if(null==a&&(a="channelsLast"),"channelsLast"!==a&&"channelsFirst"!==a)throw new fD("Unknown data format: "+a+". Supported data formats are 'channelsLast' and 'channelsFirst.");var e;return e="channelsFirst"===a?[[0,0],[0,0],r[0],r[1]]:[[0,0],r[0],r[1],[0,0]],XE(t,e)}));var t,r,a}))},n.getConfig=function(){var t={padding:this.padding,dataFormat:this.dataFormat},n=e.prototype.getConfig.call(this);return Object.assign(t,n),t},t}(iM);function qP(e,t,n,r,a,i){return uI((function(){var o;qD(a),XD(i),KD(r),null==n&&(n=[1,1]),null==r&&(r="valid"),null==a&&(a="channelsLast"),null==i&&(i="max"),e=Wz(e,a);var s="same"===r?"same":"valid";return o="max"===i?_E(e,t,n,s):US(e,t,n,s),"channelsFirst"===a&&(o=gI(o,[0,3,1,2])),o}))}function KP(e,t,n,r,a,i){return uI((function(){var o;qD(a),XD(i),KD(r),null==n&&(n=[1,1,1]),null==r&&(r="valid"),null==a&&(a="channelsLast"),null==i&&(i="max"),e=Uz(e,a);var s="same"===r?"same":"valid";return o="max"===i?FE(e,t,n,s):VS(e,t,n,s),"channelsFirst"===a&&(o=gI(o,[0,4,1,2,3])),o}))}HP.className="ZeroPadding2D",tS(HP);var XP=function(e){function t(t){var n;if(null==t.poolSize&&(t.poolSize=2),n=e.call(this,t)||this,"number"==typeof t.poolSize)n.poolSize=[t.poolSize];else{if(!Array.isArray(t.poolSize)||1!==t.poolSize.length||"number"!=typeof t.poolSize[0])throw new fD("poolSize for 1D convolutional layer must be a number or an Array of a single number, but received "+JSON.stringify(t.poolSize));n.poolSize=t.poolSize}if(DD(n.poolSize,"poolSize"),null==t.strides)n.strides=n.poolSize;else if("number"==typeof t.strides)n.strides=[t.strides];else{if(!Array.isArray(t.strides)||1!==t.strides.length||"number"!=typeof t.strides[0])throw new fD("strides for 1D convolutional layer must be a number or an Array of a single number, but received "+JSON.stringify(t.strides));n.strides=t.strides}return DD(n.strides,"strides"),n.padding=null==t.padding?"valid":t.padding,KD(n.padding),n.inputSpec=[new eM({ndim:3})],n}Nv(t,e);var n=t.prototype;return n.computeOutputShape=function(e){var t=Pz((e=XO(e))[1],this.poolSize[0],this.padding,this.strides[0]);return[e[0],t,e[2]]},n.call=function(e,t){var n=this;return uI((function(){n.invokeCallHook(e,t),e=uO(KO(e),2);var r=n.poolingFunction(KO(e),[n.poolSize[0],1],[n.strides[0],1],n.padding,"channelsLast");return KC(r,[2])}))},n.getConfig=function(){var t={poolSize:this.poolSize,padding:this.padding,strides:this.strides},n=e.prototype.getConfig.call(this);return Object.assign(t,n),t},t}(iM),YP=function(e){function t(t){return e.call(this,t)||this}return Nv(t,e),t.prototype.poolingFunction=function(e,t,n,r,a){return qD(a),KD(r),qP(e,t,n,r,a,"max")},t}(XP);YP.className="MaxPooling1D",tS(YP);var JP=function(e){function t(t){return e.call(this,t)||this}return Nv(t,e),t.prototype.poolingFunction=function(e,t,n,r,a){return qD(a),KD(r),qP(e,t,n,r,a,"avg")},t}(XP);JP.className="AveragePooling1D",tS(JP);var ZP=function(e){function t(t){var n;if(null==t.poolSize&&(t.poolSize=[2,2]),(n=e.call(this,t)||this).poolSize=Array.isArray(t.poolSize)?t.poolSize:[t.poolSize,t.poolSize],null==t.strides)n.strides=n.poolSize;else if(Array.isArray(t.strides)){if(2!==t.strides.length)throw new fD("If the strides property of a 2D pooling layer is an Array, it is expected to have a length of 2, but received length "+t.strides.length+".");n.strides=t.strides}else n.strides=[t.strides,t.strides];return DD(n.poolSize,"poolSize"),DD(n.strides,"strides"),n.padding=null==t.padding?"valid":t.padding,n.dataFormat=null==t.dataFormat?"channelsLast":t.dataFormat,qD(n.dataFormat),KD(n.padding),n.inputSpec=[new eM({ndim:4})],n}Nv(t,e);var n=t.prototype;return n.computeOutputShape=function(e){e=XO(e);var t="channelsFirst"===this.dataFormat?e[2]:e[1],n="channelsFirst"===this.dataFormat?e[3]:e[2];return t=Pz(t,this.poolSize[0],this.padding,this.strides[0]),n=Pz(n,this.poolSize[1],this.padding,this.strides[1]),"channelsFirst"===this.dataFormat?[e[0],e[1],t,n]:[e[0],t,n,e[3]]},n.call=function(e,t){var n=this;return uI((function(){return n.invokeCallHook(e,t),n.poolingFunction(KO(e),n.poolSize,n.strides,n.padding,n.dataFormat)}))},n.getConfig=function(){var t={poolSize:this.poolSize,padding:this.padding,strides:this.strides,dataFormat:this.dataFormat},n=e.prototype.getConfig.call(this);return Object.assign(t,n),t},t}(iM),QP=function(e){function t(t){return e.call(this,t)||this}return Nv(t,e),t.prototype.poolingFunction=function(e,t,n,r,a){return qD(a),KD(r),qP(e,t,n,r,a,"max")},t}(ZP);QP.className="MaxPooling2D",tS(QP);var $P=function(e){function t(t){return e.call(this,t)||this}return Nv(t,e),t.prototype.poolingFunction=function(e,t,n,r,a){return qD(a),KD(r),qP(e,t,n,r,a,"avg")},t}(ZP);$P.className="AveragePooling2D",tS($P);var eB=function(e){function t(t){var n;if(null==t.poolSize&&(t.poolSize=[2,2,2]),(n=e.call(this,t)||this).poolSize=Array.isArray(t.poolSize)?t.poolSize:[t.poolSize,t.poolSize,t.poolSize],null==t.strides)n.strides=n.poolSize;else if(Array.isArray(t.strides)){if(3!==t.strides.length)throw new fD("If the strides property of a 3D pooling layer is an Array, it is expected to have a length of 3, but received length "+t.strides.length+".");n.strides=t.strides}else n.strides=[t.strides,t.strides,t.strides];return DD(n.poolSize,"poolSize"),DD(n.strides,"strides"),n.padding=null==t.padding?"valid":t.padding,n.dataFormat=null==t.dataFormat?"channelsLast":t.dataFormat,qD(n.dataFormat),KD(n.padding),n.inputSpec=[new eM({ndim:5})],n}Nv(t,e);var n=t.prototype;return n.computeOutputShape=function(e){e=XO(e);var t="channelsFirst"===this.dataFormat?e[2]:e[1],n="channelsFirst"===this.dataFormat?e[3]:e[2],r="channelsFirst"===this.dataFormat?e[4]:e[3];return t=Pz(t,this.poolSize[0],this.padding,this.strides[0]),n=Pz(n,this.poolSize[1],this.padding,this.strides[1]),r=Pz(r,this.poolSize[2],this.padding,this.strides[2]),"channelsFirst"===this.dataFormat?[e[0],e[1],t,n,r]:[e[0],t,n,r,e[4]]},n.call=function(e,t){var n=this;return uI((function(){return n.invokeCallHook(e,t),n.poolingFunction(KO(e),n.poolSize,n.strides,n.padding,n.dataFormat)}))},n.getConfig=function(){var t={poolSize:this.poolSize,padding:this.padding,strides:this.strides,dataFormat:this.dataFormat},n=e.prototype.getConfig.call(this);return Object.assign(t,n),t},t}(iM),tB=function(e){function t(t){return e.call(this,t)||this}return Nv(t,e),t.prototype.poolingFunction=function(e,t,n,r,a){return qD(a),KD(r),KP(e,t,n,r,a,"max")},t}(eB);tB.className="MaxPooling3D",tS(tB);var nB=function(e){function t(t){return e.call(this,t)||this}return Nv(t,e),t.prototype.poolingFunction=function(e,t,n,r,a){return qD(a),KD(r),KP(e,t,n,r,a,"avg")},t}(eB);nB.className="AveragePooling3D",tS(nB);var rB=function(e){function t(t){var n;return(n=e.call(this,t)||this).inputSpec=[new eM({ndim:3})],n}Nv(t,e);var n=t.prototype;return n.computeOutputShape=function(e){return[e[0],e[2]]},n.call=function(e,t){throw new dD},t}(iM),aB=function(e){function t(t){return e.call(this,t||{})||this}return Nv(t,e),t.prototype.call=function(e,t){return uI((function(){var t=KO(e);return ME(t,1)}))},t}(rB);aB.className="GlobalAveragePooling1D",tS(aB);var iB=function(e){function t(t){return e.call(this,t||{})||this}return Nv(t,e),t.prototype.call=function(e,t){return uI((function(){var t=KO(e);return WT(t,1)}))},t}(rB);iB.className="GlobalMaxPooling1D",tS(iB);var oB=function(e){function t(t){var n;return(n=e.call(this,t)||this).dataFormat=null==t.dataFormat?"channelsLast":t.dataFormat,qD(n.dataFormat),n.inputSpec=[new eM({ndim:4})],n}Nv(t,e);var n=t.prototype;return n.computeOutputShape=function(e){return e=e,"channelsLast"===this.dataFormat?[e[0],e[3]]:[e[0],e[1]]},n.call=function(e,t){throw new dD},n.getConfig=function(){var t={dataFormat:this.dataFormat},n=e.prototype.getConfig.call(this);return Object.assign(t,n),t},t}(iM),sB=function(e){function t(){return e.apply(this,arguments)||this}return Nv(t,e),t.prototype.call=function(e,t){var n=this;return uI((function(){var t=KO(e);return"channelsLast"===n.dataFormat?ME(t,[1,2]):ME(t,[2,3])}))},t}(oB);sB.className="GlobalAveragePooling2D",tS(sB);var uB=function(e){function t(){return e.apply(this,arguments)||this}return Nv(t,e),t.prototype.call=function(e,t){var n=this;return uI((function(){var t=KO(e);return"channelsLast"===n.dataFormat?WT(t,[1,2]):WT(t,[2,3])}))},t}(oB);uB.className="GlobalMaxPooling2D",tS(uB);var lB=function(e){function t(t){var n;return(n=e.call(this,t)||this).layer=t.layer,n}Nv(t,e);var n=t.prototype;return n.build=function(e){this.built=!0},n.getWeights=function(){return this.layer.getWeights()},n.setWeights=function(e){this.layer.setWeights(e)},n.getConfig=function(){var t={layer:{className:this.layer.getClassName(),config:this.layer.getConfig()}},n=e.prototype.getConfig.call(this);return Object.assign(t,n),t},n.setFastWeightInitDuringBuild=function(t){e.prototype.setFastWeightInitDuringBuild.call(this,t),null!=this.layer&&this.layer.setFastWeightInitDuringBuild(t)},t.fromConfig=function(e,t,n){void 0===n&&(n={});var r=WM(t.layer,n);delete t.layer;var a={layer:r};return Object.assign(a,t),new e(a)},kv(t,[{key:"trainable",get:function(){return null!=this.layer&&this.layer.trainable},set:function(e){null!=this.layer&&(this.layer.trainable=e)}},{key:"trainableWeights",get:function(){return this.layer.trainableWeights}},{key:"nonTrainableWeights",get:function(){return this.layer.nonTrainableWeights}},{key:"updates",get:function(){return this.layer._updates}},{key:"losses",get:function(){return this.layer.losses}}]),t}(iM),cB=function(e){function t(t){var n;return(n=e.call(this,t)||this).supportsMasking=!0,n}Nv(t,e);var n=t.prototype;return n.build=function(t){if((t=XO(t)).length<3)throw new fD("TimeDistributed layer expects an input shape >= 3D, but received input shape "+JSON.stringify(t));this.inputSpec=[{shape:t}];var n=[t[0]].concat(t.slice(2));this.layer.built||(this.layer.build(n),this.layer.built=!0),e.prototype.build.call(this,t)},n.computeOutputShape=function(e){var t=[(e=XO(e))[0]].concat(e.slice(2)),n=this.layer.computeOutputShape(t),r=e[1];return[n[0],r].concat(n.slice(1))},n.call=function(e,t){var n=this;return uI((function(){return aP((function(e,r){return[KO(n.layer.call(e,t)),[]]}),e=KO(e),[],!1,null,null,!1,!0)[1]}))},t}(lB);cB.className="TimeDistributed",tS(cB);var pB=function(e){function t(t){var n;n=e.call(this,t)||this;var r=t.layer.getConfig(),a={};a.className=t.layer.getClassName(),a.config=r,n.forwardLayer=WM(a),r.goBackwards=!0!==r.goBackwards;var i,o={};if(o.className=t.layer.getClassName(),o.config=r,n.backwardLayer=WM(o),n.forwardLayer.name="forward_"+n.forwardLayer.name,n.backwardLayer.name="backward_"+n.backwardLayer.name,n.mergeMode=void 0===t.mergeMode?"concat":t.mergeMode,i=n.mergeMode,_D(jD,"BidirectionalMergeMode",i),t.weights)throw new dD("weights support is not implemented for Bidirectional layer yet.");return n._stateful=t.layer.stateful,n.returnSequences=t.layer.returnSequences,n.returnState=t.layer.returnState,n.supportsMasking=!0,n._trainable=!0,n.inputSpec=t.layer.inputSpec,n.numConstants=null,n}Nv(t,e);var n=t.prototype;return n.getWeights=function(){return this.forwardLayer.getWeights().concat(this.backwardLayer.getWeights())},n.setWeights=function(e){var t=e.length,n=Math.floor(t/2);this.forwardLayer.setWeights(e.slice(0,n)),this.backwardLayer.setWeights(e.slice(n))},n.computeOutputShape=function(e){var t,n,r,a=this.forwardLayer.computeOutputShape(e);return Array.isArray(a)&&Array.isArray(a[0])||(a=[a]),a=a,this.returnState?(r=a.slice(1),t=a[0]):t=a[0],t=t,"concat"===this.mergeMode?(t[t.length-1]*=2,n=[t]):n=null==this.mergeMode?[t,t.slice()]:[t],this.returnState?null==this.mergeMode?n.concat(r).concat(r.slice()):[t].concat(r).concat(r.slice()):xD(n)},n.apply=function(t,n){var r=null==n?null:n.initialState,a=null==n?null:n.constants;null==n&&(n={});var i=rP(t,r,a,this.numConstants);if(t=i.inputs,r=i.initialState,a=i.constants,Array.isArray(t)&&(r=t.slice(1),t=t[0]),(null==r||0===r.length)&&null==a)return e.prototype.apply.call(this,t,n);var o=[],s=[];if(null!=r){var u=r.length;if(u%2>0)throw new fD("When passing `initialState` to a Bidrectional RNN, the state should be an Array containing the states of the underlying RNNs.");n.initialState=r,o.push.apply(o,r);var l=r.map((function(e){return new eM({shape:e.shape})}));this.forwardLayer.stateSpec=l.slice(0,u/2),this.backwardLayer.stateSpec=l.slice(u/2),s.push.apply(s,l)}if(null!=a)throw new dD("Support for constants in Bidirectional layers is not implemented yet.");for(var c=o[0]instanceof tM,p=0,h=o;p<h.length;p++){if(h[p]instanceof tM!==c)throw new fD("The initial state of a Bidirectional layer cannot be specified as a mix of symbolic and non-symbolic tensors")}if(c){var f=[t].concat(o),d=this.inputSpec.concat(s),m=this.inputSpec;this.inputSpec=d;var v=e.prototype.apply.call(this,f,n);return this.inputSpec=m,v}return e.prototype.apply.call(this,t,n)},n.call=function(e,t){var n=this;return uI((function(){var r,a,i,o,s=t.initialState;if(null==s)r=n.forwardLayer.call(e,t),a=n.backwardLayer.call(e,t);else{var u=s.slice(0,s.length/2),l=s.slice(s.length/2);r=n.forwardLayer.call(e,Object.assign(t,{initialState:u})),a=n.backwardLayer.call(e,Object.assign(t,{initialState:l}))}return 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Q=FB("tensorListId",t,n,r),$=FB("index",t,n,r),ee=FB("tensor",t,n,r),(te=r.getTensorList(Q.id)).setItem($,ee),e.abrupt("return",[te.idTensor]);case 101:return ne=FB("tensorListId",t,n,r),re=FB("index",t,n,r),ae=FB("elementShape",t,n,r),ie=FB("elementDType",t,n,r),oe=r.getTensorList(ne.id),e.abrupt("return",[oe.getItem(re,ae,ie)]);case 107:return se=FB("indices",t,n,r),ue=FB("tensor",t,n,r),le=FB("elementShape",t,n,r),ce=FB("numElements",t,n,r),pe=RW(ue,se,le,ce),r.addTensorList(pe),e.abrupt("return",[pe.idTensor]);case 114:return he=FB("elementShape",t,n,r),fe=FB("elementDType",t,n,r),de="TensorListReserve"===t.op?"numElements":"maxNumElements",me=FB(de,t,n,r),ve=CW(he,fe,me),r.addTensorList(ve),e.abrupt("return",[ve.idTensor]);case 121:return ge=FB("tensorListId",t,n,r),ye=FB("indices",t,n,r),be=FB("elementShape",t,n,r),xe=FB("elementDType",t,n,r),we=r.getTensorList(ge.id),e.abrupt("return",[we.gather(ye,xe,be)]);case 127:return ke=FB("tensorListId",t,n,r),Ne=FB("elementShape",t,n,r),Ie=FB("elementDType",t,n,r),Se=FB("numElements",t,n,r),Te=r.getTensorList(ke.id),e.abrupt("return",[Te.stack(Ne,Ie,Se)]);case 133:return Ee=FB("tensor",t,n,r),Ce=FB("elementShape",t,n,r),Re=FB("elementDType",t,n,r),Ae=EW(Ee,Ce,Re),r.addTensorList(Ae),e.abrupt("return",[Ae.idTensor]);case 139:return _e=FB("tensorListId",t,n,r),Fe=r.getTensorList(_e.id),De=FB("dtype",t,n,r),Oe=FB("elementShape",t,n,r),e.abrupt("return",[Fe.concat(De,Oe)]);case 144:return Me=FB("tensorListId",t,n,r),Le=FB("tensor",t,n,r),(ze=r.getTensorList(Me.id)).pushBack(Le),e.abrupt("return",[ze.idTensor]);case 149:return Pe=FB("tensorListId",t,n,r),Be=FB("elementShape",t,n,r),We=FB("elementDType",t,n,r),Ue=r.getTensorList(Pe.id),e.abrupt("return",[Ue.popBack(Be,We)]);case 154:return Ve=FB("tensor",t,n,r),Ge=FB("elementShape",t,n,r),je=FB("lengths",t,n,r),He=AW(Ve,je,Ge),r.addTensorList(He),e.abrupt("return",[He.idTensor]);case 160:return qe=FB("tensorListId",t,n,r),Ke=r.getTensorList(qe.id),e.abrupt("return",[GT(Ke.size(),"int32")]);case 163:return Xe=FB("tensorListId",t,n,r),Ye=FB("size",t,n,r),Je=r.getTensorList(Xe.id),Ze=Je.resize(Ye),r.addTensorList(Ze),e.abrupt("return",[Ze.idTensor]);case 169:throw TypeError("Node type "+t.op+" is not implemented");case 170:case"end":return e.stop()}}),e)})));return function(t,n,r){return e.apply(this,arguments)}}();function FW(e,t,n){var r=FB("fusedOps",e,t,n),a=r[0],i=r[1],o="biasadd"===a,s=!o,u="prelu"===i,l="fusedbatchnorm"===a,c=FB("numArgs",e,t,n);if(o){if(u&&2!==c)throw new Error("FusedConv2d and DepthwiseConv2d with BiasAdd and Prelu must have two extra arguments: bias and alpha.");if(!u&&o&&1!==c)throw new Error("FusedConv2d and DepthwiseConv2d with BiasAdd must have one extra argument: bias.")}if(l)throw new Error("FusedConv2d and DepthwiseConv2d with FusedBatchNorm is not supported");var p=FB("strides",e,t,n),h=zB(e,t,n),f=FB("dataFormat",e,t,n).toUpperCase(),d=FB("dilations",e,t,n),m=FB("args",e,t,n),v=m[0],g=m[1];return s&&(g=v,v=void 0),{stride:p,pad:h,dataFormat:f,dilations:d,biasArg:v,preluArg:g,activationFunc:i,leakyreluAlpha:FB("leakyreluAlpha",e,t,n)}}function DW(e,t,n){return{boxes:FB("boxes",e,t,n),scores:FB("scores",e,t,n),maxOutputSize:FB("maxOutputSize",e,t,n),iouThreshold:FB("iouThreshold",e,t,n),scoreThreshold:FB("scoreThreshold",e,t,n),softNmsSigma:FB("softNmsSigma",e,t,n)}}var OW=function(){var e=xv(regeneratorRuntime.mark((function e(t,n,r){var a,i,o,s,u,l,c,p,h,f,d,m,v,g,y,b,x,w,k,N,I,S,T,E;return regeneratorRuntime.wrap((function(e){for(;;)switch(e.prev=e.next){case 0:e.t0=t.op,e.next="NonMaxSuppressionV5"===e.t0?3:"NonMaxSuppressionV4"===e.t0?8:"NonMaxSuppressionV3"===e.t0||"NonMaxSuppressionV2"===e.t0?14:"Where"===e.t0?19:"ListDiff"===e.t0?26:27;break;case 3:return 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e.t2=e.sent,e.abrupt("return",[e.t2]);case 24:return v=FB("tableHandle",t,n,r,a),g=a.getHashTableById(v.id),e.abrupt("return",[g.tensorSize()]);case 27:throw TypeError("Node type "+t.op+" is not implemented");case 28:case"end":return e.stop()}}),e)})));return function(t,n,r,a){return e.apply(this,arguments)}}();function zW(e,t,n,r){var a=function(e,t,n){switch(e.category){case"arithmetic":return uI((function(){return 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TypeError("Node type "+e.op+" is not implemented")}}(e,t,n)}));case"control":return _W(e,t,n);case"convolution":return uI((function(){return function(e,t,n){switch(e.op){case"Conv1D":var r=FB("stride",e,t,n),a=FB("pad",e,t,n),i=FB("dataFormat",e,t,n).toUpperCase(),o=FB("dilation",e,t,n);return[lT(FB("x",e,t,n),FB("filter",e,t,n),r,a,i,o)];case"Conv2D":var s=FB("strides",e,t,n),u=zB(e,t,n),l=FB("dataFormat",e,t,n).toUpperCase(),c=FB("dilations",e,t,n);return[uT(FB("x",e,t,n),FB("filter",e,t,n),[s[1],s[2]],u,l,[c[1],c[2]])];case"_FusedConv2D":var p=FW(e,t,n),h=p.stride,f=p.pad,d=p.dataFormat,m=p.dilations,v=p.biasArg,g=p.preluArg,y=p.activationFunc,b=p.leakyreluAlpha;return[RR({x:FB("x",e,t,n),filter:FB("filter",e,t,n),strides:[h[1],h[2]],pad:f,dataFormat:d,dilations:[m[1],m[2]],bias:v,activation:y,preluActivationWeights:g,leakyreluAlpha:b})];case"FusedDepthwiseConv2dNative":var x=FW(e,t,n),w=x.stride,k=x.pad,N=x.dataFormat,I=x.dilations,S=x.biasArg,T=x.preluArg,E=x.activationFunc,C=x.leakyreluAlpha;return[FR({x:FB("x",e,t,n),filter:FB("filter",e,t,n),strides:[w[1],w[2]],pad:k,dataFormat:N,dilations:[I[1],I[2]],bias:S,activation:E,preluActivationWeights:T,leakyreluAlpha:C})];case"Conv2DBackpropInput":case"Conv2dTranspose":var R=FB("outputShape",e,t,n),A=FB("strides",e,t,n),_=zB(e,t,n);return[pT(FB("x",e,t,n),FB("filter",e,t,n),R,[A[1],A[2]],_)];case"DepthwiseConv2dNative":case"DepthwiseConv2d":var F=FB("strides",e,t,n),D=zB(e,t,n),O=FB("dilations",e,t,n),M=FB("dataFormat",e,t,n).toUpperCase();return[wT(FB("input",e,t,n),FB("filter",e,t,n),[F[1],F[2]],D,M,[O[1],O[2]])];case"Conv3D":var L=FB("strides",e,t,n),z=FB("pad",e,t,n),P=FB("dataFormat",e,t,n).toUpperCase(),B=FB("dilations",e,t,n);return[hT(FB("x",e,t,n),FB("filter",e,t,n),[L[1],L[2],L[3]],z,P,[B[1],B[2],B[3]])];case"AvgPool":var W=FB("strides",e,t,n),U=FB("pad",e,t,n),V=FB("kernelSize",e,t,n);return[US(FB("x",e,t,n),[V[1],V[2]],[W[1],W[2]],U)];case"MaxPool":var G=FB("strides",e,t,n),j=FB("pad",e,t,n),H=FB("kernelSize",e,t,n);return[_E(FB("x",e,t,n),[H[1],H[2]],[G[1],G[2]],j)];case"MaxPoolWithArgmax":var q=FB("strides",e,t,n),K=FB("pad",e,t,n),X=FB("kernelSize",e,t,n),Y=FB("includeBatchInIndex",e,t,n),J=DE(FB("x",e,t,n),[X[1],X[2]],[q[1],q[2]],K,Y);return[J.result,J.indexes];case"AvgPool3D":var Z=FB("strides",e,t,n),Q=FB("pad",e,t,n),$=FB("kernelSize",e,t,n);return[VS(FB("x",e,t,n),[$[1],$[2],$[3]],[Z[1],Z[2],Z[3]],Q)];case"MaxPool3D":var ee=FB("strides",e,t,n),te=FB("pad",e,t,n),ne=FB("kernelSize",e,t,n);return[FE(FB("x",e,t,n),[ne[1],ne[2],ne[3]],[ee[1],ee[2],ee[3]],te)];case"Dilation2D":var re=FB("strides",e,t,n),ae=FB("pad",e,t,n),ie=FB("dilations",e,t,n),oe=re[1],se=re[2],ue=ie[1],le=ie[2];return[NT(FB("x",e,t,n),FB("filter",e,t,n),[oe,se],ae,[ue,le],"NHWC")];default:throw TypeError("Node type "+e.op+" is not implemented")}}(e,t,n)}));case"creation":return uI((function(){return function(e,t,n){switch(e.op){case"Fill":var r=FB("shape",e,t,n),a=FB("dtype",e,t,n);return[tE(r,FB("value",e,t,n),a)];case"LinSpace":return[hE(FB("start",e,t,n),FB("stop",e,t,n),FB("num",e,t,n))];case"Multinomial":var i=FB("logits",e,t,n),o=FB("numSamples",e,t,n),s=FB("seed",e,t,n);return[jE(i,o,s)];case"OneHot":var u=FB("indices",e,t,n),l=FB("depth",e,t,n),c=FB("onValue",e,t,n),p=FB("offValue",e,t,n);return[aI(u,l,c,p)];case"Ones":return[zE(FB("shape",e,t,n),FB("dtype",e,t,n))];case"OnesLike":return[qE(FB("x",e,t,n))];case"RandomUniform":return[gC(FB("shape",e,t,n),FB("minval",e,t,n),FB("maxval",e,t,n),FB("dtype",e,t,n))];case"Range":return[yC(FB("start",e,t,n),FB("stop",e,t,n),FB("step",e,t,n),FB("dtype",e,t,n))];case"TruncatedNormal":var h=FB("shape",e,t,n),f=FB("mean",e,t,n),d=FB("stdDev",e,t,n),m=FB("seed",e,t,n);return[aR(h,f,d,FB("dtype",e,t,n),m)];case"Zeros":return[LE(FB("shape",e,t,n),FB("dtype",e,t,n))];case"ZerosLike":return[TT(FB("x",e,t,n))];default:throw TypeError("Node type "+e.op+" is not implemented")}}(e,t,n)}));case"dynamic":return OW(e,t,n);case"evaluation":return uI((function(){return function(e,t,n){switch(e.op){case"LowerBound":return[AE(FB("sortedSequence",e,t,n),FB("values",e,t,n))];case"TopKV2":var r=FB("x",e,t,n),a=FB("k",e,t,n),i=FB("sorted",e,t,n),o=rR(r,a,i);return[o.values,o.indices];case"UpperBound":return[uR(FB("sortedSequence",e,t,n),FB("values",e,t,n))];case"Unique":var s=FB("x",e,t,n),u=iR(s);return[u.values,u.indices];case"UniqueV2":var l=FB("x",e,t,n),c=FB("axis",e,t,n),p=iR(l,c);return[p.values,p.indices];default:throw TypeError("Node type "+e.op+" is not implemented")}}(e,t,n)}));case"image":return uI((function(){return function(e,t,n){switch(e.op){case"ResizeBilinear":var r=FB("images",e,t,n),a=FB("size",e,t,n),i=FB("alignCorners",e,t,n),o=FB("halfPixelCenters",e,t,n);return[MA.resizeBilinear(r,[a[0],a[1]],i,o)];case"ResizeNearestNeighbor":var s=FB("images",e,t,n),u=FB("size",e,t,n),l=FB("alignCorners",e,t,n),c=FB("halfPixelCenters",e,t,n);return[MA.resizeNearestNeighbor(s,[u[0],u[1]],l,c)];case"CropAndResize":var p=FB("image",e,t,n),h=FB("boxes",e,t,n),f=FB("boxInd",e,t,n),d=FB("cropSize",e,t,n),m=FB("method",e,t,n),v=FB("extrapolationValue",e,t,n);return[MA.cropAndResize(p,h,f,d,m,v)];case"ImageProjectiveTransformV3":var g=FB("images",e,t,n),y=FB("transforms",e,t,n),b=FB("outputShape",e,t,n),x=FB("fillValue",e,t,n),w=FB("interpolation",e,t,n),k=FB("fillMode",e,t,n);return[MA.transform(g,y,w.toLowerCase(),k.toLowerCase(),x,b)];default:throw TypeError("Node type "+e.op+" is not implemented")}}(e,t,n)}));case"graph":return uI((function(){return function(e,t,n){switch(e.op){case"Const":return t[e.name];case"PlaceholderWithDefault":var r=FB("default",e,t,n);return[DB(e.name,t,n)||r];case"Placeholder":return[DB(e.name,t,n)];case"Identity":case"StopGradient":case"FakeQuantWithMinMaxVars":return[PB(FB("x",e,t,n))];case"IdentityN":return FB("x",e,t,n).map((function(e){return PB(e)}));case"Snapshot":return[PB(FB("x",e,t,n))];case"Shape":return[QC(FB("x",e,t,n).shape,"int32")];case"ShapeN":return FB("x",e,t,n).map((function(e){return QC(e.shape)}));case"Size":return[GT(FB("x",e,t,n).size,"int32")];case"Rank":return[GT(FB("x",e,t,n).rank,"int32")];case"NoOp":return[GT(1)];case"Print":var a=FB("x",e,t,n),i=FB("data",e,t,n),o=FB("message",e,t,n),s=FB("summarize",e,t,n);console.warn("The graph has a tf.print() operation,usually used for debugging, which slows down performance."),console.log(o);for(var u=0;u<i.length;u++)console.log(Array.prototype.slice.call(i[u].dataSync()).slice(0,s));return[a];default:throw TypeError("Node type "+e.op+" is not implemented")}}(e,t,n)}));case"logical":return uI((function(){return function(e,t,n){switch(e.op){case"Equal":return[IT(FB("a",e,t,n),FB("b",e,t,n))];case"NotEqual":return[HE(FB("a",e,t,n),FB("b",e,t,n))];case"Greater":return[aE(FB("a",e,t,n),FB("b",e,t,n))];case"GreaterEqual":return[iE(FB("a",e,t,n),FB("b",e,t,n))];case"Less":return[cE(FB("a",e,t,n),FB("b",e,t,n))];case"LessEqual":return[pE(FB("a",e,t,n),FB("b",e,t,n))];case"LogicalAnd":return[IE(FB("a",e,t,n),FB("b",e,t,n))];case"LogicalNot":return[SE(FB("a",e,t,n))];case"LogicalOr":return[TE(FB("a",e,t,n),FB("b",e,t,n))];case"Select":case"SelectV2":return[ST(FB("condition",e,t,n),FB("a",e,t,n),FB("b",e,t,n))];default:throw TypeError("Node type "+e.op+" is not implemented")}}(e,t,n)}));case"matrices":return uI((function(){return function(e,t,n){switch(e.op){case"BatchMatMul":case"BatchMatMulV2":case"MatMul":return[rI(FB("a",e,t,n),FB("b",e,t,n),FB("transposeA",e,t,n),FB("transposeB",e,t,n))];case"Einsum":return[RT.apply(xW,[FB("equation",e,t,n)].concat(FB("tensors",e,t,n)))];case"Transpose":return[gI(FB("x",e,t,n),FB("perm",e,t,n))];case"_FusedMatMul":var r=FB("fusedOps",e,t,n),a=r[0],i=r[1],o="biasadd"===a,s="prelu"===i,u=FB("numArgs",e,t,n),l=FB("leakyreluAlpha",e,t,n);if(o){if(s&&2!==u)throw new Error("Fused MatMul with BiasAdd and Prelu must have two extra arguments: bias and alpha.");if(!s&&1!==u)throw new Error("Fused MatMul with BiasAdd must have one extra argument: bias.")}var c=FB("args",e,t,n),p=c[0],h=c[1];return[DR({a:FB("a",e,t,n),b:FB("b",e,t,n),transposeA:FB("transposeA",e,t,n),transposeB:FB("transposeB",e,t,n),bias:p,activation:i,preluActivationWeights:h,leakyreluAlpha:l})];default:throw TypeError("Node type "+e.op+" is not implemented")}}(e,t,n)}));case"normalization":return uI((function(){return function(e,t,n){switch(e.op){case"EuclideanNorm":return[YT(FB("x",e,t,n),FB("axis",e,t,n),FB("keepDims",e,t,n))];case"FusedBatchNorm":case"FusedBatchNormV2":case"FusedBatchNormV3":return[YS(FB("x",e,t,n),FB("mean",e,t,n),FB("variance",e,t,n),FB("offset",e,t,n),FB("scale",e,t,n),FB("epsilon",e,t,n))];case"LRN":return[fE(FB("x",e,t,n),FB("radius",e,t,n),FB("bias",e,t,n),FB("alpha",e,t,n),FB("beta",e,t,n))];case"Softmax":return[WC(FB("x",e,t,n))];case"LogSoftmax":return[kE(FB("x",e,t,n))];case"SparseToDense":return[gR(FB("sparseIndices",e,t,n),FB("outputShape",e,t,n),FB("sparseValues",e,t,n),FB("defaultValue",e,t,n))];default:throw TypeError("Node type "+e.op+" is not implemented")}}(e,t,n)}));case"reduction":return uI((function(){return function(e,t,n){switch(e.op){case"Max":var r=FB("axis",e,t,n),a=FB("keepDims",e,t,n);return[WT(FB("x",e,t,n),r,a)];case"Mean":var i=FB("axis",e,t,n),o=FB("keepDims",e,t,n);return[ME(FB("x",e,t,n),i,o)];case"Min":var s=FB("axis",e,t,n),u=FB("keepDims",e,t,n);return[UT(FB("x",e,t,n),s,u)];case"Sum":var l=FB("axis",e,t,n),c=FB("keepDims",e,t,n);return[qT(FB("x",e,t,n),l,c)];case"All":var p=FB("axis",e,t,n),h=FB("keepDims",e,t,n);return[gS(FB("x",e,t,n),p,h)];case"Any":var f=FB("axis",e,t,n),d=FB("keepDims",e,t,n);return[yS(FB("x",e,t,n),f,d)];case"ArgMax":var m=FB("axis",e,t,n);return[bS(FB("x",e,t,n),m)];case"ArgMin":var v=FB("axis",e,t,n);return[xS(FB("x",e,t,n),v)];case"Prod":var g=FB("axis",e,t,n),y=FB("keepDims",e,t,n);return[nC(FB("x",e,t,n),g,y)];case"Cumprod":var b=FB("axis",e,t,n),x=FB("exclusive",e,t,n),w=FB("reverse",e,t,n);return[gT(FB("x",e,t,n),b,x,w)];case"Cumsum":var k=FB("axis",e,t,n),N=FB("exclusive",e,t,n),I=FB("reverse",e,t,n);return[yT(FB("x",e,t,n),k,N,I)];case"Bincount":var S=FB("x",e,t,n),T=FB("weights",e,t,n),E=FB("size",e,t,n);return[$S(S,T,E)];case"DenseBincount":var C=FB("x",e,t,n),R=FB("weights",e,t,n),A=FB("size",e,t,n),_=FB("binaryOutput",e,t,n);return[bT(C,R,A,_)];default:throw TypeError("Node type "+e.op+" is not implemented")}}(e,t,n)}));case"slice_join":return uI((function(){return function(e,t,n){switch(e.op){case"ConcatV2":case"Concat":var r=FB("n",e,t,n),a=FB("axis",e,t,n),i=FB("tensors",e,t,n);return i=i.slice(0,r),[GS(i,a)];case"Gather":var o=FB("x",e,t,n),s=FB("indices",e,t,n);return[rE(o,ON(s,"int32"),0)];case"GatherV2":var u=FB("axis",e,t,n),l=FB("batchDims",e,t,n),c=FB("x",e,t,n),p=FB("indices",e,t,n);return[rE(c,ON(p,"int32"),u,l)];case"Reverse":for(var h=FB("dims",e,t,n),f=[],d=0;d<h.length;d++)h[d]&&f.push(d);var m=FB("x",e,t,n);return[kC(m,f)];case"ReverseV2":var v=FB("axis",e,t,n),g=FB("x",e,t,n);return[kC(g,v)];case"Slice":var y=FB("begin",e,t,n),b=FB("size",e,t,n);return[HS(FB("x",e,t,n),y,b)];case"StridedSlice":var x=FB("begin",e,t,n),w=FB("end",e,t,n),k=FB("strides",e,t,n),N=FB("beginMask",e,t,n),I=FB("endMask",e,t,n),S=FB("ellipsisMask",e,t,n),T=FB("newAxisMask",e,t,n),E=FB("shrinkAxisMask",e,t,n),C=FB("x",e,t,n);return[JC(C,x,w,k,N,I,S,T,E)];case"Pack":return uI((function(){var r=FB("axis",e,t,n),a=FB("tensors",e,t,n),i=a[0].shape,o=KC(a[0]).shape,s=a.map((function(e){var t=qv(e.shape,i);if(!t&&!qv(KC(e).shape,o))throw new Error("the input tensors shape does not match");return t?e:WS(e,i)}));return[XC(s,r)]}));case"Unpack":var R=FB("axis",e,t,n),A=FB("tensor",e,t,n);return sR(A,R);case"Tile":var _=FB("reps",e,t,n);return[$T(FB("x",e,t,n),_)];case"Split":case"SplitV":var F=FB("axis",e,t,n),D=FB("numOrSizeSplits",e,t,n),O=FB("x",e,t,n);return jC(O,D,F);case"ScatterNd":var M=FB("indices",e,t,n),L=FB("values",e,t,n),z=FB("shape",e,t,n);return[vR(M,L,z)];case"GatherNd":var P=FB("x",e,t,n),B=FB("indices",e,t,n);return[yR(P,B)];case"SparseToDense":var W=FB("sparseIndices",e,t,n),U=FB("outputShape",e,t,n),V=FB("sparseValues",e,t,n),G=FB("defaultValue",e,t,n);return[gR(W,V,U,V.dtype===G.dtype?G:ON(G,V.dtype))];default:throw TypeError("Node type "+e.op+" is not implemented")}}(e,t,n)}));case"sparse":return uI((function(){return function(e,t,n){switch(e.op){case"SparseFillEmptyRows":var r=PA.sparseFillEmptyRows(FB("indices",e,t,n),FB("values",e,t,n),FB("denseShape",e,t,n),FB("defaultValue",e,t,n));return[r.outputIndices,r.outputValues,r.emptyRowIndicator,r.reverseIndexMap];case"SparseReshape":var a=PA.sparseReshape(FB("inputIndices",e,t,n),FB("inputShape",e,t,n),FB("newShape",e,t,n));return[a.outputIndices,a.outputShape];case"SparseSegmentMean":return[PA.sparseSegmentMean(FB("data",e,t,n),FB("indices",e,t,n),FB("segmentIds",e,t,n))];case"SparseSegmentSum":return[PA.sparseSegmentSum(FB("data",e,t,n),FB("indices",e,t,n),FB("segmentIds",e,t,n))];default:throw TypeError("Node type "+e.op+" is not implemented")}}(e,t,n)}));case"spectral":return uI((function(){return function(e,t,n){switch(e.op){case"FFT":return[UC(FB("x",e,t,n))];case"IFFT":return[VC(FB("x",e,t,n))];case"RFFT":return[HC(FB("x",e,t,n))];case"IRFFT":return[GC(FB("x",e,t,n))];default:throw TypeError("Node type "+e.op+" is not implemented")}}(e,t,n)}));case"string":return uI((function(){return function(e,t,n){switch(e.op){case"StringNGrams":var r=BA.stringNGrams(FB("data",e,t,n),FB("dataSplits",e,t,n),FB("separator",e,t,n),FB("nGramWidths",e,t,n),FB("leftPad",e,t,n),FB("rightPad",e,t,n),FB("padWidth",e,t,n),FB("preserveShortSequences",e,t,n));return[r.nGrams,r.nGramsSplits];case"StringSplit":var a=BA.stringSplit(FB("input",e,t,n),FB("delimiter",e,t,n),FB("skipEmpty",e,t,n));return[a.indices,a.values,a.shape];case"StringToHashBucketFast":return[BA.stringToHashBucketFast(FB("input",e,t,n),FB("numBuckets",e,t,n))];default:throw TypeError("Node type "+e.op+" is not implemented")}}(e,t,n)}));case"transformation":return uI((function(){return function(e,t,n){switch(e.op){case"Cast":return[ON(FB("x",e,t,n),FB("dtype",e,t,n))];case"ExpandDims":var r=FB("axis",e,t,n);return[ZT(FB("x",e,t,n),r)];case"Squeeze":var a=FB("axis",e,t,n);return[KC(FB("x",e,t,n),a)];case"Reshape":return[WS(FB("x",e,t,n),FB("shape",e,t,n))];case"MirrorPad":return[WE(FB("x",e,t,n),FB("padding",e,t,n),FB("mode",e,t,n))];case"PadV2":case"Pad":return[XE(FB("x",e,t,n),FB("padding",e,t,n),FB("constantValue",e,t,n))];case"SpaceToBatchND":var i=FB("blockShape",e,t,n),o=FB("paddings",e,t,n);return[$E(FB("x",e,t,n),i,o)];case"BatchToSpaceND":var s=FB("blockShape",e,t,n),u=FB("crops",e,t,n);return[XS(FB("x",e,t,n),s,u)];case"DepthToSpace":var l=FB("blockSize",e,t,n),c=FB("dataFormat",e,t,n).toUpperCase();return[xT(FB("x",e,t,n),l,c)];case"BroadcastTo":return[tT(FB("x",e,t,n),FB("shape",e,t,n))];case"BroadcastArgs":return[eT(FB("s0",e,t,n),FB("s1",e,t,n))];default:throw TypeError("Node type "+e.op+" is not implemented")}}(e,t,n)}));case"hash_table":return LW(e,t,n,r);case"custom":var a=_B(e.op);if(a&&a.customExecutor)return a.customExecutor(new bW(e,t,n));throw TypeError("Custom op "+e.op+" is not registered.");default:throw TypeError("Unknown op '"+e.op+"'. 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t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.axis,o=r.keepDims;uV(a,"all");var s=Qv(i,a.shape),u=s,l=zT(u,a.shape.length),c=a;null!=l&&(c=_G({inputs:{x:a},backend:n,attrs:{perm:l}}),u=BT(u.length,a.shape.length)),LT("all",u,c.shape.length);for(var p=OT(c.shape,u),h=p[0],f=Hv(p[1]),d=yg(Hv(h),c.dtype),m=n.data.get(c.dataId).values,v=0;v<d.length;++v){for(var g=v*f,y=m[g],b=0;b<f;++b){var x=m[g+b];y=y&&x}d[v]=y}null!=l&&n.disposeIntermediateTensorInfo(c);var w=n.makeTensorInfo(h,c.dtype,d);if(o){var k=Cj({inputs:{x:w},backend:n,attrs:{shape:MT(h,s)}});return n.disposeIntermediateTensorInfo(w),k}return w}};var Bj={kernelName:Pg,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.axis,o=r.keepDims;uV(a,"any");var s=Qv(i,a.shape),u=s,l=zT(u,a.shape.length),c=a;null!=l&&(c=_G({inputs:{x:a},backend:n,attrs:{perm:l}}),u=BT(u.length,a.shape.length)),LT("any",u,c.shape.length);for(var p=OT(c.shape,u),h=p[0],f=Hv(p[1]),d=yg(Hv(h),c.dtype),m=n.data.get(c.dataId).values,v=0;v<d.length;++v){for(var g=v*f,y=m[g],b=0;b<f;++b){var x=m[g+b];y=y||x}d[v]=y}null!=l&&n.disposeIntermediateTensorInfo(c);var w=n.makeTensorInfo(h,c.dtype,d);if(o){var k=Cj({inputs:{x:w},backend:n,attrs:{shape:MT(h,s)}});return n.disposeIntermediateTensorInfo(w),k}return w}};var Wj={kernelName:Bg,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.axis;uV(a,"argMax");var o=Qv(i,a.shape),s=zT(o,a.shape.length),u=a,l=[];null!=s&&(u=_G({inputs:{x:a},backend:n,attrs:{perm:s}}),l.push(u),o=BT(o.length,u.shape.length)),LT("argMax",o=[o[0]],u.shape.length);for(var c=OT(u.shape,o),p=c[0],h=c[1],f=yg(Hv(p),"int32"),d=Hv(h),m=n.data.get(u.dataId).values,v=0;v<f.length;++v){for(var g=v*d,y=m[g],b=0,x=0;x<d;++x){var w=m[g+x];w>y&&(y=w,b=x)}f[v]=b}return l.forEach((function(e){return n.disposeIntermediateTensorInfo(e)})),n.makeTensorInfo(p,"int32",f)}};var 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c=CS(i.shape,o,s,1,u,l),p=c.strideDepth,h=c.strideHeight,f=c.strideWidth,d=c.filterDepth,m=c.filterHeight,v=c.filterWidth,g=c.dilationDepth,y=c.dilationHeight,b=c.dilationWidth,x=c.effectiveFilterDepth,w=c.effectiveFilterHeight,k=c.effectiveFilterWidth,N=x-1-c.padInfo.front,I=k-1-c.padInfo.left,S=w-1-c.padInfo.top,T=DN(i.shape,"float32"),E=1/(d*m*v),C=n.bufferSync(a),R=0;R<c.batchSize;++R)for(var A=0;A<c.inChannels;++A)for(var _=0;_<c.inDepth;++_)for(var F=0;F<c.inHeight;++F)for(var D=0;D<c.inWidth;++D){for(var O=_-N,M=F-S,L=D-I,z=0,P=0;P<x;P+=g){var B=(O+P)/p;if(!(B<0||B>=c.outDepth||Math.floor(B)!==B))for(var W=0;W<w;W+=y){var U=(M+W)/h;if(!(U<0||U>=c.outHeight||Math.floor(U)!==U))for(var V=0;V<k;V+=b){var G=(L+V)/f;if(!(G<0||G>=c.outWidth||Math.floor(G)!==G))z+=C.get(R,B,U,G,A)}}}T.set(z*E,R,_,F,D,A)}return n.makeTensorInfo(T.shape,T.dtype,T.values)}};var iH={kernelName:Kg,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.dy,i=t.input,o=i;uV([a,i],"avgPoolGrad");for(var s=r.filterSize,u=r.strides,l=r.pad,c=ES(o.shape,s,u,1,l),p=c.strideHeight,h=c.strideWidth,f=c.filterHeight,d=c.filterWidth,m=c.dilationHeight,v=c.dilationWidth,g=c.effectiveFilterHeight,y=c.effectiveFilterWidth,b=y-1-c.padInfo.left,x=g-1-c.padInfo.top,w=DN(o.shape,"float32"),k=1/(f*d),N=n.data.get(a.dataId).values,I=DN(a.shape,"float32",N),S=0;S<c.batchSize;++S)for(var T=0;T<c.inChannels;++T)for(var E=0;E<c.inHeight;++E)for(var C=0;C<c.inWidth;++C){for(var R=E-x,A=C-b,_=0,F=0;F<g;F+=m){var D=(R+F)/p;if(!(D<0||D>=c.outHeight||Math.floor(D)!==D))for(var O=0;O<y;O+=v){var M=(A+O)/h;if(!(M<0||M>=c.outWidth||Math.floor(M)!==M))_+=I.get(S,D,M,T)}}w.set(_*k,S,E,C,T)}return n.makeTensorInfo(w.shape,w.dtype,w.values)}};var oH={kernelName:Uy,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=t.scale,o=t.offset,s=t.mean,u=t.variance;Uv(s.shape.length===u.shape.length,(function(){return"Batch normalization gradient requires mean and variance to have equal ranks."})),Uv(null==o||s.shape.length===o.shape.length,(function(){return"Batch normalization gradient requires mean and offset to have equal ranks."})),Uv(null==i||s.shape.length===i.shape.length,(function(){return"Batch normalization gradient requires mean and scale to have equal ranks."})),uV([a,s,u,i,o],"batchNorm");var l=r.varianceEpsilon;null==l&&(l=.001);for(var c=n.data.get(a.dataId).values,p=n.data.get(s.dataId).values,h=n.data.get(u.dataId).values,f=i?n.data.get(i.dataId).values:new Float32Array([1]),d=o?n.data.get(o.dataId).values:new Float32Array([0]),m=new Float32Array(c.length),v=d.length,g=f.length,y=h.length,b=p.length,x=0,w=0,k=0,N=0,I=0;I<c.length;++I)m[I]=d[x++]+(c[I]-p[w++])*f[k++]/Math.sqrt(h[N++]+l),x>=v&&(x=0),w>=b&&(w=0),k>=g&&(k=0),N>=y&&(N=0);return n.makeTensorInfo(a.shape,a.dtype,m)}};var sH={kernelName:Zg,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.blockShape,o=r.crops;uV([a],"batchToSpaceND");var s=i.reduce((function(e,t){return e*t})),u=n_(a.shape,i,s),l=r_(u.length,i.length),c=a_(a.shape,i,s),p=i_(o,i.length),h=o_(c,o,i.length),f=Cj({inputs:{x:a},backend:n,attrs:{shape:u}}),d=_G({inputs:{x:f},backend:n,attrs:{perm:l}}),m=Cj({inputs:{x:d},backend:n,attrs:{shape:c}}),v=jG({inputs:{x:m},backend:n,attrs:{begin:p,size:h}});return n.disposeIntermediateTensorInfo(f),n.disposeIntermediateTensorInfo(d),n.disposeIntermediateTensorInfo(m),v}};var uH={kernelName:Qg,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=t.weights,o=r.size,s=RV(n.data.get(a.dataId).values,n.data.get(i.dataId).values,i.dtype,i.shape,o);return n.makeTensorInfo([o],i.dtype,s)}};var lH={kernelName:ey,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=t.s0,a=t.s1,i=n.data.get(r.dataId).values,o=n.data.get(a.dataId).values,s=wI(Array.from(i),Array.from(o));return n.makeTensorInfo([s.length],"int32",Int32Array.from(s))}},cH=FV(ry,(function(e,t){var n=t;return e>n.clipValueMax?n.clipValueMax:e<n.clipValueMin?n.clipValueMin:e})),pH={kernelName:ry,backendName:"cpu",kernelFunc:cH},hH={kernelName:iy,backendName:"cpu",kernelFunc:function(e){for(var t=e.inputs.x,n=e.backend,r=new Float32Array(Hv(t.shape)),a=n.data.get(t.dataId),i=a.complexTensorInfos.real,o=a.complexTensorInfos.imag,s=n.data.get(i.dataId).values,u=n.data.get(o.dataId).values,l=0;l<s.length;l++){var c=s[l],p=u[l];r[l]=Math.hypot(c,p)}return n.makeOutput(r,t.shape,"float32")}};function fH(e){var t=e.inputs,n=e.backend,r=t.input,a=n.data.get(r.dataId).complexTensorInfos.imag,i=n.data.get(a.dataId).values;return n.makeTensorInfo(a.shape,a.dtype,i)}var dH={kernelName:Xy,backendName:"cpu",kernelFunc:fH};function mH(e){var 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p=PS(u),h=RS(a.shape,c,o,1,s,l,!1,p),f=h.strideHeight,d=h.strideWidth,m=h.filterHeight,v=h.filterWidth,g="channelsLast"===h.dataFormat,y=new Hw(h.filterShape,"float32"),b=h.padInfo.left,x=h.padInfo.top,w=n.data.get(a.dataId).values,k=n.data.get(i.dataId).values,N=new Hw(a.shape,a.dtype,w),I=new Hw(i.shape,i.dtype,k),S=0;S<m;++S)for(var T=Math.max(0,Math.ceil((x-S)/f)),E=Math.min(h.outHeight,(h.inHeight+x-S)/f),C=0;C<v;++C)for(var R=Math.max(0,Math.ceil((b-C)/d)),A=Math.min(h.outWidth,(h.inWidth+b-C)/d),_=0;_<h.inChannels;++_)for(var F=0;F<h.outChannels;++F){for(var D=0,O=0;O<h.batchSize;++O)for(var M=T;M<E;++M)for(var L=S+M*f-x,z=R;z<A;++z){var P=C+z*d-b;D+=g?N.get(O,L,P,_)*I.get(O,M,z,F):N.get(O,_,L,P)*I.get(O,F,M,z)}y.set(D,S,C,_,F)}return n.makeTensorInfo(y.shape,y.dtype,y.values)}};var xH={kernelName:ly,backendName:"cpu",kernelFunc:function(e){var 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V=g>1?E*(f-1)+U*F:.5*(E+R)*(f-1);if(V<0||V>f-1)for(var G=0;G<d;G++){var j=G+U*N[2]+D*N[1]+I*N[0];y.values[j]=l}else for(var H=Math.floor(V),q=Math.ceil(V),K=V-H,X=0;X<d;X++){var Y=X+H*k[2]+P*k[1]+A*k[0],J=w[Y],Z=w[Y=X+q*k[2]+P*k[1]+A*k[0]],Q=w[Y=X+H*k[2]+B*k[1]+A*k[0]],$=J+(Z-J)*K,ee=Q+(w[Y=X+q*k[2]+B*k[1]+A*k[0]]-Q)*K;Y=X+U*N[2]+D*N[1]+I*N[0],y.values[Y]=$+(ee-$)*W}}else for(var te=0;te<g;++te){var ne=g>1?E*(f-1)+te*F:.5*(E+R)*(f-1);if(ne<0||ne>f-1)for(var re=0;re<d;re++){var ae=re+te*N[2]+D*N[1]+I*N[0];y.values[ae]=l}else for(var ie=Math.round(ne),oe=Math.round(O),se=0;se<d;se++){var ue=se+ie*k[2]+oe*k[1]+A*k[0],le=se+te*N[2]+D*N[1]+I*N[0];y.values[le]=w[ue]}}}}return n.makeTensorInfo(y.shape,y.dtype,y.values)}};var RH={kernelName:my,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.axis,o=r.exclusive,s=r.reverse;uV(a,"cumprod");var u=zT([i],a.shape.length),l=a;null!=u&&(l=_G({inputs:{x:a},backend:n,attrs:{perm:u}}));var c=BT(1,a.shape.length)[0];if(c!==l.shape.length-1)throw new Error("backend.cumprod in CPU expects an inner-most axis="+(l.shape.length-1)+" but got axis="+c);for(var p=rk(l.dtype,"int32"),h=gg(Hv(l.shape),p),f=n.data.get(l.dataId).values,d=l.shape[l.shape.length-1],m=s?function(e,t){return e+d-t-1}:function(e,t){return e+t},v=0;v<f.length;v+=d)for(var g=0;g<d;g++){var y=m(v,g);if(0===g)h[y]=o?1:f[y];else{var b=m(v,g-1);h[y]=o?f[b]*h[b]:f[y]*h[b]}}var x=n.makeTensorInfo(l.shape,p,h);if(null!=u){var w=_G({inputs:{x:x},backend:n,attrs:{perm:PT(u)}});return n.disposeIntermediateTensorInfo(x),n.disposeIntermediateTensorInfo(l),w}return x}};var AH={kernelName:vy,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.axis,o=r.exclusive,s=r.reverse;uV(a,"cumsum");var u=zT([i],a.shape.length),l=a;null!=u&&(l=_G({inputs:{x:a},backend:n,attrs:{perm:u}}));var c=BT(1,a.shape.length)[0];if(c!==l.shape.length-1)throw new Error("backend.cumsum in CPU expects an 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f=OT(h.shape,p),d=f[0],m=f[1],v=vV(r,d,rk(h.dtype,"int32")),g=Hv(m),y=r.data.get(v.dataId).values,b=r.data.get(h.dataId).values,x=0;x<y.length;++x){for(var w=x*g,k=0,N=0;N<g;++N)k+=b[w+N];y[x]=k}if(s){var I=v;v=Cj({inputs:{x:v},backend:r,attrs:{shape:MT(v.shape,l)}}),r.disposeIntermediateTensorInfo(I)}return r.disposeIntermediateTensorInfo(t),null!=c&&r.disposeIntermediateTensorInfo(h),v}var VH={kernelName:ox,backendName:"cpu",kernelFunc:UH};var GH={kernelName:Cy,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=t,a=S_(e.attrs.equation,r.length),i=a.allDims,o=a.summedDims,s=a.idDims;E_(i.length,s,r);for(var u=C_(o,s),l=u.path,c=u.steps,p=c.length,h=null,f=i.length,d=[],m=0;m<p;++m){for(var v,g=Fv(c[m]);!(v=g()).done;){var y=v.value,b=T_(f,s[y]),x=b.permutationIndices,w=b.expandDims,k=void 0;R_(x)?k=r[y]:(k=_G({inputs:{x:r[y]},backend:n,attrs:{perm:x}}),d.push(k));for(var 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t=e.inputs,n=e.backend,r=e.attrs,a=t.input,i=r.dim,o=a.shape.length,s=a.shape.slice(),u=i;return i<0&&(Uv(-(o+1)<=i,(function(){return"Axis must be in the interval ["+-(o+1)+", "+o+"]"})),u=o+i+1),s.splice(u,0,1),Cj({inputs:{x:a},backend:n,attrs:{shape:s}})}var XH={kernelName:Oy,backendName:"cpu",kernelFunc:KH},YH=fV((function(e,t){return e/t})),JH=NV(Ey,YH),ZH={kernelName:Ey,backendName:"cpu",kernelFunc:JH};function QH(e,t,n){for(var r=e.shape,a=r[0],i=r[1],o=n.data.get(e.dataId),s=o.complexTensorInfos.real,u=o.complexTensorInfos.imag,l=[a,i],c=Hv(l),p=eg("float32",c),h=eg("float32",c),f=0;f<a;f++){for(var d=jG({inputs:{x:s},backend:n,attrs:{begin:[f,0],size:[1,i]}}),m=jG({inputs:{x:u},backend:n,attrs:{begin:[f,0],size:[1,i]}}),v=dV({inputs:{real:d,imag:m},backend:n}),g=$H(v,t,n),y=m_(g.real,g.imag),b=0;b<i;b++){var x=b_(y,b);p[f*i+b]=x.real,h[f*i+b]=x.imag}n.disposeIntermediateTensorInfo(d),n.disposeIntermediateTensorInfo(m),n.disposeIntermediateTensorInfo(v)}var w=n.makeTensorInfo(l,"float32",p),k=n.makeTensorInfo(l,"float32",h),N=dV({inputs:{real:w,imag:k},backend:n});return n.disposeIntermediateTensorInfo(w),n.disposeIntermediateTensorInfo(k),N}function $H(e,t,n){var r,a=Hv(e.shape),i=n.data.get(e.dataId),o=n.data.get(i.complexTensorInfos.real.dataId).values,s=n.data.get(i.complexTensorInfos.imag.dataId).values;if(0==((r=a)&r-1)){var u=eq(o,s,a,t,n),l=[e.shape[0],e.shape[1]];if(t){var c=n.makeTensorInfo(l,"float32",u.real),p=n.makeTensorInfo(l,"float32",u.imag),h=n.makeTensorInfo([],"float32",_w(a,"float32")),f=gV({inputs:{x:h},backend:n}),d=ZH.kernelFunc({inputs:{a:c,b:h},backend:n}),m=ZH.kernelFunc({inputs:{a:p,b:f},backend:n}),v=n.data.get(d.dataId).values,g=n.data.get(m.dataId).values;return n.disposeIntermediateTensorInfo(c),n.disposeIntermediateTensorInfo(p),n.disposeIntermediateTensorInfo(h),n.disposeIntermediateTensorInfo(f),n.disposeIntermediateTensorInfo(d),n.disposeIntermediateTensorInfo(m),{real:v,imag:g}}return u}return v_(function(e,t,n){for(var r=new Float32Array(2*t),a=0;a<t;a++){for(var i=0,o=0,s=0;s<t;s++){var u=k_(a*s,t,n),l=b_(e,s);i+=l.real*u.real-l.imag*u.imag,o+=l.real*u.imag+l.imag*u.real}n&&(i/=t,o/=t),x_(r,i,o,a)}return r}(m_(o,s),a,t))}function eq(e,t,n,r,a){if(1===n)return{real:e,imag:t};var 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a.disposeIntermediateTensorInfo(p),a.disposeIntermediateTensorInfo(h),a.disposeIntermediateTensorInfo(f),a.disposeIntermediateTensorInfo(y),a.disposeIntermediateTensorInfo(b),a.disposeIntermediateTensorInfo(x),a.disposeIntermediateTensorInfo(S),a.disposeIntermediateTensorInfo(T),a.disposeIntermediateTensorInfo(E),a.disposeIntermediateTensorInfo(F),a.disposeIntermediateTensorInfo(D),a.disposeIntermediateTensorInfo(O),a.disposeIntermediateTensorInfo(z),a.disposeIntermediateTensorInfo(P),a.disposeIntermediateTensorInfo(B),a.disposeIntermediateTensorInfo(W),a.disposeIntermediateTensorInfo(U),a.disposeIntermediateTensorInfo(V),a.disposeIntermediateTensorInfo(G),a.disposeIntermediateTensorInfo(H),a.disposeIntermediateTensorInfo(j),a.disposeIntermediateTensorInfo(q),a.disposeIntermediateTensorInfo(K),a.disposeIntermediateTensorInfo(X),{real:Y,imag:J}}var tq={kernelName:Ly,backendName:"cpu",kernelFunc:function(e){var 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n}(n.bufferSync(i),c),h=c.strideDepth,f=c.strideHeight,d=c.strideWidth,m=c.dilationDepth,v=c.dilationHeight,g=c.dilationWidth,y=c.effectiveFilterDepth,b=c.effectiveFilterHeight,x=c.effectiveFilterWidth,w=y-1-c.padInfo.front,k=x-1-c.padInfo.left,N=b-1-c.padInfo.top,I=DN(i.shape,"float32"),S=n.bufferSync(a),T=0;T<c.batchSize;++T)for(var E=0;E<c.inChannels;++E)for(var C=0;C<c.inDepth;++C)for(var R=0;R<c.inHeight;++R)for(var A=0;A<c.inWidth;++A){for(var _=C-w,F=R-N,D=A-k,O=0,M=0;M<y;M+=m){var L=(_+M)/h;if(!(L<0||L>=c.outDepth||Math.floor(L)!==L))for(var z=0;z<b;z+=v){var P=(F+z)/f;if(!(P<0||P>=c.outHeight||Math.floor(P)!==P))for(var B=0;B<x;B+=g){var W=(D+B)/d;if(!(W<0||W>=c.outWidth||Math.floor(W)!==W)){var U=y*b*x-1-p.get(T,L,P,W,E)===M*b*x+z*x+B?1:0;if(0!==U)O+=S.get(T,L,P,W,E)*U}}}}I.set(O,T,C,R,A,E)}return n.makeTensorInfo(I.shape,I.dtype,I.values)}};var zq={kernelName:fb,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.dy,i=t.input,o=i;uV([i,t.output],"maxPoolGrad");for(var s=r.filterSize,u=r.strides,l=r.pad,c=r.dimRoundingMode,p=ES(o.shape,s,u,1,l,c),h=n.data.get(o.dataId).values,f=DN(p.outShape,o.dtype,eH(h,o.shape,o.dtype,p).values),d=p.strideHeight,m=p.strideWidth,v=p.dilationHeight,g=p.dilationWidth,y=p.effectiveFilterHeight,b=p.effectiveFilterWidth,x=b-1-p.padInfo.left,w=y-1-p.padInfo.top,k=DN(o.shape,"float32"),N=n.data.get(a.dataId).values,I=DN(a.shape,"float32",N),S=0;S<p.batchSize;++S)for(var T=0;T<p.inChannels;++T)for(var E=0;E<p.inHeight;++E)for(var C=0;C<p.inWidth;++C){for(var R=E-w,A=C-x,_=0,F=0;F<y;F+=v){var D=(R+F)/d;if(!(D<0||D>=p.outHeight||Math.floor(D)!==D))for(var O=0;O<b;O+=g){var M=(A+O)/m;if(!(M<0||M>=p.outWidth||Math.floor(M)!==M)){var L=y*b-1-f.get(S,D,M,T)===F*b+O?1:0;if(0!==L)_+=I.get(S,D,M,T)*L}}}k.set(_,S,E,C,T)}return n.makeTensorInfo(k.shape,k.dtype,k.values)}};var Pq={kernelName:vb,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.attrs,r=e.backend,a=t.x,i=n.filterSize,o=n.strides,s=n.pad,u=n.includeBatchInIndex,l=r;uV(a,"MaxPoolWithArgmax");var c=l.data.get(a.dataId).values,p=ES(a.shape,i,o,[1,1],s),h=function(e,t,n,r,a){var i=$j(e,0,n,dg(t),a,"max"),o=eH(e,t,n,a,!0,r);return[i.values,o.values]}(c,a.shape,a.dtype,u,p),f=h[0],d=h[1],m=l.write(f,p.outShape,a.dtype),v=l.write(d,p.outShape,a.dtype);return[{dataId:m,shape:p.outShape,dtype:a.dtype},{dataId:v,shape:p.outShape,dtype:"int32"}]}};var Bq={kernelName:gb,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.axis,o=r.keepDims,s=Qv(i,a.shape),u=Hv(OT(a.shape,s)[1]),l=[],c=n.makeTensorInfo([],"float32",new Float32Array([u]));l.push(c);var p=wV({inputs:{x:a},backend:n,attrs:{dtype:"float32"}});l.push(p);var h=JH({inputs:{a:p,b:c},backend:n});l.push(h);var f=UH({inputs:{x:h},backend:n,attrs:{axis:i,keepDims:o}});return l.forEach((function(e){return n.disposeIntermediateTensorInfo(e)})),f}};var Wq={kernelName:yb,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.axis,o=r.keepDims;uV(a,"min");var s=Qv(i,a.shape),u=s,l=zT(u,a.shape.length),c=a;null!=l&&(c=_G({inputs:{x:a},backend:n,attrs:{perm:l}}),u=BT(u.length,a.shape.length)),LT("min",u,c.shape.length);for(var p=OT(c.shape,u),h=p[0],f=Hv(p[1]),d=yg(Hv(h),c.dtype),m=n.data.get(c.dataId).values,v=0;v<d.length;++v){for(var g=v*f,y=m[g],b=0;b<f;++b){var x=m[g+b];(Number.isNaN(x)||x<y)&&(y=x)}d[v]=y}null!=l&&n.disposeIntermediateTensorInfo(c);var w=n.makeTensorInfo(h,c.dtype,d);if(o){var k=Cj({inputs:{x:w},backend:n,attrs:{shape:MT(h,s)}});return n.disposeIntermediateTensorInfo(w),k}return w}};var Uq={kernelName:xb,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.paddings,o=r.mode;uV(a,"mirrorPad");for(var s=i.map((function(e,t){return e[0]+a.shape[t]+e[1]})),u=i.map((function(e){return e[0]})),l=i.map((function(e,t){return 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t=e.inputs,n=e.backend,r=e.attrs,a=t.boxes,i=t.scores,o=r.maxOutputSize,s=r.iouThreshold,u=r.scoreThreshold,l=r.padToMaxOutputSize;uV(a,"NonMaxSuppressionPadded");var c=n.data.get(a.dataId).values,p=n.data.get(i.dataId).values,h=Jq(c,p,o,s,u,l),f=h.selectedIndices,d=h.validOutputs;return[n.makeTensorInfo([f.length],"int32",new Int32Array(f)),n.makeTensorInfo([],"int32",new Int32Array([d]))]}},Qq=YR;var $q={kernelName:Cb,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.boxes,i=t.scores,o=r.maxOutputSize,s=r.iouThreshold,u=r.scoreThreshold,l=r.softNmsSigma;uV(a,"NonMaxSuppressionWithScore");var c=n.data.get(a.dataId).values,p=n.data.get(i.dataId).values,h=Qq(c,p,o,s,u,l),f=h.selectedIndices,d=h.selectedScores;return[n.makeTensorInfo([f.length],"int32",new Int32Array(f)),n.makeTensorInfo([d.length],"float32",new Float32Array(d))]}};var eK={kernelName:Ab,backendName:"cpu",kernelFunc:function(e){var 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u=dg(a.shape),l=s[0],c=s[1],p=a.shape,h=p[0],f=p[1],d=p[2],m=p[3],v=n.data.get(a.dataId).values,g=new Float32Array(h*l*c*m),y=[i&&l>1?f-1:f,i&&c>1?d-1:d],b=[i&&l>1?l-1:l,i&&c>1?c-1:c],x=y[0]/b[0],w=y[1]/b[1],k=0,N=0;N<h;N++)for(var I=N*u[0],S=0;S<l;S++){var T=o?x*(S+.5):x*S,E=Math.min(f-1,i?Math.round(T):Math.floor(T));o&&(E=Math.max(0,E));for(var C=I+E*u[1],R=0;R<c;R++){var A=o?w*(R+.5):w*R,_=Math.min(d-1,i?Math.round(A):Math.floor(A));o&&(_=Math.max(0,_));for(var F=C+_*u[2],D=0;D<m;D++){var O=v[F+D];g[k++]=O}}}return n.makeTensorInfo([h,l,c,m],a.dtype,g)}};var vK={kernelName:Vb,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.images,i=t.dy,o=r.alignCorners;uV([i,a],"resizeNearestNeighborGrad");for(var s=dg(a.shape),u=dg(i.shape),l=a.shape,c=l[0],p=l[1],h=l[2],f=l[3],d=i.shape,m=d[1],v=d[2],g=new 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e-t<.5?Math.floor(e):e-t>.5?Math.ceil(e):t%2==0?t:t+1})),xK={kernelName:Kb,backendName:"cpu",kernelFunc:bK};var wK={kernelName:Yb,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.indices,i=t.updates,o=r.shape,s=MI(0,a,o),u=s.sliceRank,l=s.numUpdates,c=s.sliceSize,p=s.strides,h=s.outputSize,f=BG(n.bufferSync(a),n.bufferSync(i),o,h,c,l,u,p,0,!0);return n.makeTensorInfo(o,f.dtype,f.values)}};function kK(e,t){for(var n=0,r=e.length,a=0;n<r;)e[a=Math.floor((n+r)/2)]<t?n=a+1:r=a;return r}function NK(e,t){for(var n=0,r=e.length,a=0;n<r;)e[a=Math.floor((n+r)/2)]<=t?n=a+1:r=a;return r}var IK={kernelName:Jb,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.sortedSequence,i=t.values,o=r.side,s=function(e,t,n,r,a,i){for(var o=tg("int32",n*a),s=0;s<n;++s)for(var u=e.slice(s*r,(s+1)*r),l=s*a,c=0;c<a;++c)o[l+c]="left"===i?kK(u,t[c+l]):NK(u,t[c+l]);return o}(n.data.get(a.dataId).values,n.data.get(i.dataId).values,a.shape[0],a.shape[1],i.shape[1],o);return n.makeTensorInfo(i.shape,"int32",s)}};var SK={kernelName:Zb,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=t.condition,a=t.t,i=t.e;uV([r,a,i],"select");for(var o=r.shape.length,s=n.data.get(r.dataId).values,u=n.data.get(a.dataId).values,l=n.data.get(i.dataId).values,c=rk(a.dtype,i.dtype),p=yg(Hv(a.shape),c),h=0,f=0===o||o>1||1===a.shape.length?1:Hv(a.shape.slice(1)),d=0;d<s.length;d++)for(var m=0;m<f;m++)1===s[d]?p[h++]=u[d]:p[h++]=l[d];return n.makeTensorInfo(a.shape,c,p)}},TK=FV(Qb,(function(e){return e>=0?1.0507009873554805*e:1.7580993408473768*(Math.exp(e)-1)})),EK={kernelName:Qb,backendName:"cpu",kernelFunc:TK},CK=FV(nx,(function(e){return e<0?-1:e>0?1:0})),RK={kernelName:nx,backendName:"cpu",kernelFunc:CK},AK=FV(ex,(function(e){return Math.sin(e)})),_K={kernelName:ex,backendName:"cpu",kernelFunc:AK},FK=FV(tx,(function(e){return Math.sinh(e)})),DK={kernelName:tx,backendName:"cpu",kernelFunc:FK},OK=Math.log(1.1920928955078125e-7)+2,MK=FV(ax,(function(e){var t=e>-OK,n=e<OK,r=Math.exp(e);return n?r:t?e:Math.log(1+r)})),LK={kernelName:ax,backendName:"cpu",kernelFunc:MK};var zK={kernelName:sx,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.blockShape,o=r.paddings;uV([a],"spaceToBatchND");var s=Hv(i),u=[[0,0]];u.push.apply(u,o);for(var l=1+i.length;l<a.shape.length;++l)u.push([0,0]);var c=oK.kernelFunc({inputs:{x:a},backend:n,attrs:{paddings:u,constantValue:0}}),p=n_(c.shape,i,s,!1),h=r_(p.length,i.length,!1),f=a_(c.shape,i,s,!1),d=Cj({inputs:{x:c},backend:n,attrs:{shape:p}}),m=_G({inputs:{x:d},backend:n,attrs:{perm:h}}),v=Cj({inputs:{x:m},backend:n,attrs:{shape:f}});return n.disposeIntermediateTensorInfo(c),n.disposeIntermediateTensorInfo(d),n.disposeIntermediateTensorInfo(m),v}};var PK={kernelName:cx,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=t.indices,a=t.values,i=t.denseShape,o=t.defaultValue;if(1!==i.shape.length)throw new Error("Dense shape must be a vector, saw:\n        "+i.shape);if(2!==r.shape.length)throw new Error("Indices must be a matrix, saw:\n        "+r.shape);if(1!==a.shape.length)throw new Error("Values must be a vector, saw:\n        "+a.shape);if(0!==o.shape.length)throw new Error("Default value must be a scalar, saw:\n        "+o.shape);var s=n.data.get(r.dataId).values,u=n.data.get(a.dataId).values,l=n.data.get(i.dataId).values,c=n.data.get(o.dataId).values[0],p=qG(s,r.shape,r.dtype,u,a.dtype,l,c),h=p[0],f=p[1],d=p[2],m=p[3],v=p[4];return[n.makeTensorInfo(f,r.dtype,h),n.makeTensorInfo([f[0]],a.dtype,d),n.makeTensorInfo([m.length],"bool",new Uint8Array(m.map((function(e){return Number(e)})))),n.makeTensorInfo([v.length],r.dtype,new Int32Array(v))]}};var BK={kernelName:px,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=t.inputIndices,a=t.inputShape,i=t.newShape;if(2!==r.shape.length)throw new Error("Input indices should be a matrix but received shape\n        "+r.shape);if(1!==a.shape.length)throw new Error("Input shape should be a vector but received shape\n        "+a.shape);if(1!==i.shape.length)throw new Error("Target shape should be a vector but received shape "+i.shape);var o=Array.from(n.data.get(a.dataId).values),s=n.data.get(r.dataId).values,u=Array.from(n.data.get(i.dataId).values),l=KG(s,r.shape,r.dtype,o,u),c=l[0],p=l[1],h=l[2];return[n.makeTensorInfo(p,r.dtype,c),n.makeTensorInfo([h.length],i.dtype,new Int32Array(h))]}};var WK={kernelName:hx,backendName:"cpu",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=t.data,a=t.indices,i=t.segmentIds;if(r.shape.length<1)throw new Error("Data should be at least 1 dimensional but received scalar");if(1!==a.shape.length)throw new Error("Indices should be a vector but received shape\n          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sign) {\n      int res = a / b;\n      int mod = imod(a, b);\n      if (sign < 0. && mod != 0) {\n        res -= 1;\n      }\n      return res;\n    }\n\n    //Based on the work of Dave Hoskins\n    //https://www.shadertoy.com/view/4djSRW\n    #define HASHSCALE1 443.8975\n    float random(float seed){\n      vec2 p = resultUV * seed;\n      vec3 p3  = fract(vec3(p.xyx) * HASHSCALE1);\n      p3 += dot(p3, p3.yzx + 19.19);\n      return fract((p3.x + p3.y) * p3.z);\n    }\n\n    "+QX+"\n    "+$X+"\n    "+eY+"\n  "}(l);return t.isPacked?(a=function(e,t,n){switch(e.length){case 0:return"\n    int getOutputCoords() {\n      return 0;\n    }\n  ";case 1:return function(e,t,n){var r=[Math.ceil(t[0]/2),Math.ceil(t[1]/2)];if(1===r[0])return n?"\n      int getOutputCoords() {\n        return 2 * int(resultUV.x * ceil(float(outTexShape[1]) / 2.0));\n      }\n    ":"\n      int getOutputCoords() {\n        return 2 * int(resultUV.x * "+r[1]+".0);\n      }\n    ";if(1===r[1])return n?"\n      int getOutputCoords() {\n        return 2 * int(resultUV.y * ceil(float(outTexShape[0]) / 2.0));\n      }\n    ":"\n      int getOutputCoords() {\n        return 2 * int(resultUV.y * "+r[0]+".0);\n      }\n    ";if(n)return"\n    int getOutputCoords() {\n      ivec2 packedTexShape = ivec2(ceil(float(outTexShape[0]) / 2.0), ceil(float(outTexShape[1]) / 2.0));\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2(packedTexShape[0], packedTexShape[1]));\n      return 2 * (resTexRC.x * packedTexShape[1] + resTexRC.y);\n    }\n  ";return"\n    int getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2("+r[0]+", "+r[1]+"));\n      return 2 * (resTexRC.x * "+r[1]+" + resTexRC.y);\n    }\n  "}(0,t,n);case 2:return function(e,t,n){var r=[Math.ceil(t[0]/2),Math.ceil(t[1]/2)];if(qv(e,t))return n?"\n      ivec2 getOutputCoords() {\n        ivec2 packedTexShape = ivec2(ceil(float(outTexShape[0]) / 2.0), ceil(float(outTexShape[1]) / 2.0));\n        return 2 * ivec2(resultUV.yx * vec2(packedTexShape[0], packedTexShape[1]));\n      }\n    ":"\n      ivec2 getOutputCoords() {\n        return 2 * ivec2(resultUV.yx * vec2("+r[0]+", "+r[1]+"));\n      }\n    ";var a=Math.ceil(e[1]/2);if(n)return"\n    ivec2 getOutputCoords() {\n      ivec2 packedTexShape = ivec2(ceil(float(outTexShape[0]) / 2.0), ceil(float(outTexShape[1]) / 2.0));\n      int texelsInLogicalRow = int(ceil(float(outShape[1]) / 2.0));\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2(packedTexShape[0], packedTexShape[1]));\n\n      int index = resTexRC.x * packedTexShape[1] + resTexRC.y;\n      int r = 2 * (index / texelsInLogicalRow);\n      int c = imod(index, texelsInLogicalRow) * 2;\n\n      return ivec2(r, c);\n    }\n  ";return"\n    ivec2 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2("+r[0]+", "+r[1]+"));\n\n      int index = resTexRC.x * "+r[1]+" + resTexRC.y;\n      int r = 2 * (index / "+a+");\n      int c = imod(index, "+a+") * 2;\n\n      return ivec2(r, c);\n    }\n  "}(e,t,n);case 3:return function(e,t,n){if(n)return"\n    ivec3 getOutputCoords() {\n      ivec2 packedTexShape = ivec2(ceil(float(outTexShape[0]) / 2.0), ceil(float(outTexShape[1]) / 2.0));\n      int texelsInLogicalRow = int(ceil(float(outShape[2]) / 2.0));\n      int texelsInBatch = texelsInLogicalRow * int(ceil(float(outShape[1]) / 2.0));\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2(packedTexShape[0], packedTexShape[1]));\n      int index = resTexRC.x * packedTexShape[1] + resTexRC.y;\n\n      int b = index / texelsInBatch;\n      index -= b * texelsInBatch;\n\n      int r = 2 * (index / texelsInLogicalRow);\n      int c = imod(index, texelsInLogicalRow) * 2;\n\n      return ivec3(b, r, c);\n    }\n  ";var r=[Math.ceil(t[0]/2),Math.ceil(t[1]/2)],a=Math.ceil(e[2]/2),i=a*Math.ceil(e[1]/2);return"\n    ivec3 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2("+r[0]+", "+r[1]+"));\n      int index = resTexRC.x * "+r[1]+" + resTexRC.y;\n\n      int b = index / "+i+";\n      index -= b * "+i+";\n\n      int r = 2 * (index / "+a+");\n      int c = imod(index, "+a+") * 2;\n\n      return ivec3(b, r, c);\n    }\n  "}(e,t,n);default:return function(e,t,n){if(n)return"\n    ivec4 getOutputCoords() {\n      ivec2 packedTexShape = ivec2(ceil(float(outTexShape[0]) / 2.0), ceil(float(outTexShape[1]) / 2.0));\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2(packedTexShape[0], packedTexShape[1]));\n      int index = resTexRC.x * packedTexShape[1] + resTexRC.y;\n\n      int texelsInLogicalRow = int(ceil(float(outShape[3]) / 2.0));\n      int texelsInBatch = texelsInLogicalRow * int(ceil(float(outShape[2]) / 2.0));\n      int texelsInBatchN = texelsInBatch * outShape[1];\n\n      int b2 = index / texelsInBatchN;\n      index -= b2 * texelsInBatchN;\n\n      int b = index / texelsInBatch;\n      index -= b * texelsInBatch;\n\n      int r = 2 * (index / texelsInLogicalRow);\n      int c = imod(index, texelsInLogicalRow) * 2;\n\n      return ivec4(b2, b, r, c);\n    }\n  ";for(var r=[Math.ceil(t[0]/2),Math.ceil(t[1]/2)],a=Math.ceil(e[e.length-1]/2),i=a*Math.ceil(e[e.length-2]/2),o=i,s="",u="b, r, c",l=2;l<e.length-1;l++)s="\n      int b"+l+" = index / "+(o*=e[e.length-l-1])+";\n      index -= b"+l+" * "+o+";\n    "+s,u="b"+l+", "+u;return"\n    ivec"+e.length+" getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2("+r[0]+", "+r[1]+"));\n      int index = resTexRC.x * "+r[1]+" + resTexRC.y;\n\n      "+s+"\n\n      int b = index / "+i+";\n      index -= b * "+i+";\n\n      int r = 2 * (index / "+a+");\n      int c = imod(index, "+a+") * 2;\n\n      return ivec"+e.length+"("+u+");\n    }\n  "}(e,t,n)}}(t.logicalShape,u,n.enableShapeUniforms),i=function(e){return"\n    void setOutput(vec4 val) {\n      "+e.output+" = val;\n    }\n  "}(l)):(a=function(e,t,n){switch(e.length){case 0:return"\n    int getOutputCoords() {\n      return 0;\n    }\n  ";case 1:return function(e,t,n){if(1===t[0])return n?"\n      int getOutputCoords() {\n        return int(resultUV.x * float(outTexShape[1]));\n      }\n    ":"\n      int getOutputCoords() {\n        return int(resultUV.x * "+t[1]+".0);\n      }\n    ";if(1===t[1])return n?"\n      int getOutputCoords() {\n        return int(resultUV.y * float(outTexShape[0]));\n      }\n    ":"\n      int getOutputCoords() {\n        return int(resultUV.y * "+t[0]+".0);\n      }\n    ";if(n)return"\n    int getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2(outTexShape[0], outTexShape[1]));\n      return resTexRC.x * outTexShape[1] + resTexRC.y;\n    }\n  ";return"\n    int getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2("+t[0]+", "+t[1]+"));\n      return resTexRC.x * "+t[1]+" + resTexRC.y;\n    }\n  "}(0,t,n);case 2:return function(e,t,n){if(qv(e,t))return n?"\n      ivec2 getOutputCoords() {\n        return ivec2(resultUV.yx * vec2(outTexShape[0], outTexShape[1]));\n      }\n    ":"\n      ivec2 getOutputCoords() {\n        return ivec2(resultUV.yx * vec2("+t[0]+", "+t[1]+"));\n      }\n    ";if(1===e[1])return n?"\n      ivec2 getOutputCoords() {\n        ivec2 resTexRC = ivec2(resultUV.yx *\n                               vec2(outTexShape[0], outTexShape[1]));\n        int index = resTexRC.x * outTexShape[1] + resTexRC.y;\n        return ivec2(index, 0);\n      }\n    ":"\n      ivec2 getOutputCoords() {\n        ivec2 resTexRC = ivec2(resultUV.yx *\n                               vec2("+t[0]+", "+t[1]+"));\n        int index = resTexRC.x * "+t[1]+" + resTexRC.y;\n        return ivec2(index, 0);\n      }\n    ";if(1===e[0])return n?"\n      ivec2 getOutputCoords() {\n        ivec2 resTexRC = ivec2(resultUV.yx *\n                               vec2(outTexShape[0], outTexShape[1]));\n        int index = resTexRC.x * outTexShape[1] + resTexRC.y;\n        return ivec2(0, index);\n      }\n    ":"\n      ivec2 getOutputCoords() {\n        ivec2 resTexRC = ivec2(resultUV.yx *\n                               vec2("+t[0]+", "+t[1]+"));\n        int index = resTexRC.x * "+t[1]+" + resTexRC.y;\n        return ivec2(0, index);\n      }\n    ";if(n)return"\n    ivec2 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2(outTexShape[0], outTexShape[1]));\n      int index = resTexRC.x * outTexShape[1] + resTexRC.y;\n      int r = index / outShape[1];\n      int c = index - r * outShape[1];\n      return ivec2(r, c);\n    }\n  ";return"\n    ivec2 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2("+t[0]+", "+t[1]+"));\n      int index = resTexRC.x * "+t[1]+" + resTexRC.y;\n      int r = index / "+e[1]+";\n      int c = index - r * "+e[1]+";\n      return ivec2(r, c);\n    }\n  "}(e,t,n);case 3:return function(e,t,n){if(n){return"\n  ivec3 getOutputCoords() {\n    ivec2 resTexRC = ivec2(resultUV.yx *\n                           vec2(outTexShape[0], outTexShape[1]));\n    int index = resTexRC.x * outTexShape[1] + resTexRC.y;\n    "+jX(["r","c","d"],e)+"\n    return ivec3(r, c, d);\n  }\n"}var r=GX(["r","c","d"],e);return"\n    ivec3 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n                             vec2("+t[0]+", "+t[1]+"));\n      int index = resTexRC.x * "+t[1]+" + resTexRC.y;\n      "+r+"\n      return ivec3(r, c, d);\n    }\n  "}(e,t,n);case 4:return function(e,t,n){if(n){return"\n    ivec4 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n        vec2(outTexShape[0], outTexShape[1]));\n      int index = resTexRC.x * outTexShape[1] + resTexRC.y;\n      "+jX(["r","c","d","d2"],e)+"\n      return ivec4(r, c, d, d2);\n    }\n  "}var r=GX(["r","c","d","d2"],e);return"\n    ivec4 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n        vec2("+t[0]+", "+t[1]+"));\n      int index = resTexRC.x * "+t[1]+" + resTexRC.y;\n      "+r+"\n      return ivec4(r, c, d, d2);\n    }\n  "}(e,t,n);case 5:return r=t,a=GX(["r","c","d","d2","d3"],e),"\n    ivec5 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx * vec2("+r[0]+",\n                             "+r[1]+"));\n\n      int index = resTexRC.x * "+r[1]+" + resTexRC.y;\n\n      "+a+"\n\n      ivec5 outShape = ivec5(r, c, d, d2, d3);\n      return outShape;\n    }\n  ";case 6:return function(e,t){var n=GX(["r","c","d","d2","d3","d4"],e);return"\n    ivec6 getOutputCoords() {\n      ivec2 resTexRC = ivec2(resultUV.yx *\n        vec2("+t[0]+", "+t[1]+"));\n      int index = resTexRC.x * "+t[1]+" + resTexRC.y;\n\n      "+n+"\n\n      ivec6 result = ivec6(r, c, d, d2, d3, d4);\n      return result;\n    }\n  "}(e,t);default:throw new Error(e.length+"-D output sampling is not yet supported")}var r,a}(t.logicalShape,u,n.enableShapeUniforms),i=function(e){return"\n    void setOutput(float val) {\n      "+e.output+" = vec4(val, 0, 0, 0);\n    }\n  "}(l)),n.packedInputs&&(p+=tY),[p,c,i,o,a,s,n.userCode].join("\n")}function JX(e,t){void 0===t&&(t=!1);var n=e.shapeInfo.logicalShape;switch(n.length){case 0:return function(e,t){var n=e.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1);if(e.shapeInfo.isUniform)return"float "+r+"() {return "+n+";}";var a=e.shapeInfo.texShape,i=a[0],o=a[1];if(1===i&&1===o)return"\n      float "+r+"() {\n        return sampleTexture("+n+", halfCR);\n      }\n    ";var s=nY(n);if(t)return"\n    float "+r+"() {\n      vec2 uv = uvFromFlat("+n+"TexShape[0], "+n+"TexShape[1], "+s+");\n      return sampleTexture("+n+", uv);\n    }\n  ";var u=e.shapeInfo.texShape,l=u[0],c=u[1];return"\n    float "+r+"() {\n      vec2 uv = uvFromFlat("+l+", "+c+", "+s+");\n      return sampleTexture("+n+", uv);\n    }\n  "}(e,t);case 1:return function(e,t){var n=e.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1);if(e.shapeInfo.isUniform)return"\n      float "+r+"(int index) {\n        "+rY(e)+"\n      }\n    ";var a=e.shapeInfo.texShape,i=a[0],o=a[1];if(1===o&&1===i)return"\n      float "+r+"(int index) {\n        return sampleTexture("+n+", halfCR);\n      }\n    ";var s=nY(n);if(1===o)return t?"\n      float "+r+"(int index) {\n        vec2 uv = vec2(0.5, (float(index + "+s+") + 0.5) / float("+n+"TexShape[0]));\n        return sampleTexture("+n+", uv);\n      }\n    ":"\n      float "+r+"(int index) {\n        vec2 uv = vec2(0.5, (float(index + "+s+") + 0.5) / "+i+".0);\n        return sampleTexture("+n+", uv);\n      }\n    ";if(1===i)return t?"\n      float "+r+"(int index) {\n        vec2 uv = vec2((float(index + "+s+") + 0.5) / float("+n+"TexShape[1]), 0.5);\n        return sampleTexture("+n+", uv);\n      }\n    ":"\n      float "+r+"(int index) {\n        vec2 uv = vec2((float(index + "+s+") + 0.5) / "+o+".0, 0.5);\n        return sampleTexture("+n+", uv);\n      }\n    ";if(t)return"\n    float "+r+"(int index) {\n      vec2 uv = uvFromFlat("+n+"TexShape[0], "+n+"TexShape[1], index + "+s+");\n      return sampleTexture("+n+", uv);\n    }\n  ";return"\n    float "+r+"(int index) {\n      vec2 uv = uvFromFlat("+i+", "+o+", index + "+s+");\n      return sampleTexture("+n+", uv);\n    }\n  "}(e,t);case 2:return function(e,t){var n=e.shapeInfo.logicalShape,r=e.name,a="get"+r.charAt(0).toUpperCase()+r.slice(1),i=e.shapeInfo.texShape;if(null!=i&&qv(n,i)){if(t)return"\n      float "+a+"(int row, int col) {\n        vec2 uv = (vec2(col, row) + halfCR) / vec2("+r+"TexShape[1], "+r+"TexShape[0]);\n        return sampleTexture("+r+", uv);\n      }\n    ";var o=i[0];return"\n    float "+a+"(int row, int col) {\n      vec2 uv = (vec2(col, row) + halfCR) / vec2("+i[1]+".0, "+o+".0);\n      return sampleTexture("+r+", uv);\n    }\n  "}var s=$v(n),u=s.newShape,l=s.keptDims,c=u;if(c.length<n.length){var p=["row","col"];return"\n      "+JX(oY(e,c),t)+"\n      float "+a+"(int row, int col) {\n        return "+a+"("+sY(p,l)+");\n      }\n    "}if(e.shapeInfo.isUniform)return"\n      float "+a+"(int row, int col) {\n        int index = round(dot(vec2(row, col), vec2("+n[1]+", 1)));\n        "+rY(e)+"\n      }\n    ";var h=i[0],f=i[1],d=nY(r);if(1===f)return t?"\n      float "+a+"(int row, int col) {\n        float index = dot(vec3(row, col, "+d+"), vec3("+r+"Shape[1], 1, 1));\n        vec2 uv = vec2(0.5, (index + 0.5) / float("+r+"TexShape[0]));\n        return sampleTexture("+r+", uv);\n      }\n    ":"\n    float "+a+"(int row, int col) {\n      float index = dot(vec3(row, col, "+d+"), vec3("+n[1]+", 1, 1));\n      vec2 uv = vec2(0.5, (index + 0.5) / "+h+".0);\n      return sampleTexture("+r+", uv);\n    }\n  ";if(1===h)return t?"\n      float "+a+"(int row, int col) {\n        float index = dot(vec3(row, col, "+d+"), vec3("+r+"Shape[1], 1, 1));\n        vec2 uv = vec2((index + 0.5) / float("+r+"TexShape[1]), 0.5);\n        return sampleTexture("+r+", uv);\n      }\n    ":"\n    float "+a+"(int row, int col) {\n      float index = dot(vec3(row, col, "+d+"), vec3("+n[1]+", 1, 1));\n      vec2 uv = vec2((index + 0.5) / "+f+".0, 0.5);\n      return sampleTexture("+r+", uv);\n    }\n  ";if(t)return"\n      float "+a+"(int row, int col) {\n        // Explicitly use integer operations as dot() only works on floats.\n        int index = row * "+r+"Shape[1] + col + "+d+";\n        vec2 uv = uvFromFlat("+r+"TexShape[0], "+r+"TexShape[1], index);\n        return sampleTexture("+r+", uv);\n      }\n    ";return"\n  float "+a+"(int row, int col) {\n    // Explicitly use integer operations as dot() only works on floats.\n    int index = row * "+n[1]+" + col + "+d+";\n    vec2 uv = uvFromFlat("+h+", "+f+", index);\n    return sampleTexture("+r+", uv);\n  }\n"}(e,t);case 3:return function(e,t){var n=e.shapeInfo.logicalShape,r=e.name,a="get"+r.charAt(0).toUpperCase()+r.slice(1),i=n[1]*n[2],o=n[2],s=$v(n),u=s.newShape,l=s.keptDims,c=u;if(c.length<n.length){var p=["row","col","depth"];return"\n        "+JX(oY(e,c),t)+"\n        float "+a+"(int row, int col, int depth) {\n          return "+a+"("+sY(p,l)+");\n        }\n      "}if(e.shapeInfo.isUniform)return"\n      float "+a+"(int row, int col, int depth) {\n        int index = round(dot(vec3(row, col, depth),\n                          vec3("+i+", "+o+", 1)));\n        "+rY(e)+"\n      }\n    ";var h=e.shapeInfo.texShape,f=h[0],d=h[1],m=e.shapeInfo.flatOffset;if(d===i&&null==m)return t?"\n      float "+a+"(int row, int col, int depth) {\n        int stride1 = "+r+"Shape[2];\n        float texR = float(row);\n        float texC = dot(vec2(col, depth), vec2(stride1, 1));\n        vec2 uv = (vec2(texC, texR) + halfCR) /\n                   vec2("+r+"TexShape[1], "+r+"TexShape[0]);\n        return sampleTexture("+r+", uv);\n      }\n    ":"\n        float "+a+"(int row, int col, int depth) {\n          float texR = float(row);\n          float texC = dot(vec2(col, depth), vec2("+o+", 1));\n          vec2 uv = (vec2(texC, texR) + halfCR) /\n                     vec2("+d+".0, "+f+".0);\n          return sampleTexture("+r+", uv);\n        }\n      ";if(d===o&&null==m)return t?"\n      float "+a+"(int row, int col, int depth) {\n        float texR = dot(vec2(row, col), vec2("+r+"Shape[1], 1));\n        float texC = float(depth);\n        vec2 uv = (vec2(texC, texR) + halfCR) / vec2("+r+"TexShape[1], "+r+"TexShape[0]);\n        return sampleTexture("+r+", uv);\n      }\n    ":"\n    float "+a+"(int row, int col, int depth) {\n      float texR = dot(vec2(row, col), vec2("+n[1]+", 1));\n      float texC = float(depth);\n      vec2 uv = (vec2(texC, texR) + halfCR) / vec2("+d+".0, "+f+".0);\n      return sampleTexture("+r+", uv);\n    }\n  ";var v=nY(r);if(t)return"\n    float "+a+"(int row, int col, int depth) {\n      // Explicitly use integer operations as dot() only works on floats.\n      int stride0 = "+r+"Shape[1] * "+r+"Shape[2];\n      int stride1 = "+r+"Shape[2];\n      int index = row * "+i+" + col * "+o+" + depth + "+v+";\n      vec2 uv = uvFromFlat("+r+"TexShape[0], "+r+"TexShape[1], index);\n      return sampleTexture("+r+", uv);\n    }\n    ";return"\n      float "+a+"(int row, int col, int depth) {\n        // Explicitly use integer operations as dot() only works on floats.\n        int index = row * "+i+" + col * "+o+" + depth + "+v+";\n        vec2 uv = uvFromFlat("+f+", "+d+", index);\n        return sampleTexture("+r+", uv);\n      }\n  "}(e,t);case 4:return function(e,t){var n=e.shapeInfo.logicalShape,r=e.name,a="get"+r.charAt(0).toUpperCase()+r.slice(1),i=n[3],o=n[2]*i,s=n[1]*o,u=$v(n),l=u.newShape,c=u.keptDims;if(l.length<n.length){var p=["row","col","depth","depth2"];return"\n      "+JX(oY(e,l),t)+"\n      float "+a+"(int row, int col, int depth, int depth2) {\n        return "+a+"("+sY(p,c)+");\n      }\n    "}if(e.shapeInfo.isUniform)return"\n      float "+a+"(int row, int col, int depth, int depth2) {\n        int index = round(dot(vec4(row, col, depth, depth2),\n                          vec4("+s+", "+o+", "+i+", 1)));\n        "+rY(e)+"\n      }\n    ";var h=e.shapeInfo.flatOffset,f=e.shapeInfo.texShape,d=f[0],m=f[1],v="int stride2 = "+r+"Shape[3];",g="int stride1 = "+r+"Shape[2] * stride2;",y="int stride0 = "+r+"Shape[1] * stride1;";if(m===s&&null==h)return t?"\n      float "+a+"(int row, int col, int depth, int depth2) {\n        "+v+"\n        "+g+"\n        float texR = float(row);\n        float texC =\n            dot(vec3(col, depth, depth2),\n                vec3(stride1, stride2, 1));\n        vec2 uv = (vec2(texC, texR) + halfCR) /\n                   vec2("+r+"TexShape[1], "+r+"TexShape[0]);\n        return sampleTexture("+r+", uv);\n      }\n    ":"\n      float "+a+"(int row, int col, int depth, int depth2) {\n        float texR = float(row);\n        float texC =\n            dot(vec3(col, depth, depth2),\n                vec3("+o+", "+i+", 1));\n        vec2 uv = (vec2(texC, texR) + halfCR) /\n                   vec2("+m+".0, "+d+".0);\n        return sampleTexture("+r+", uv);\n      }\n    ";if(m===i&&null==h)return t?"\n      float "+a+"(int row, int col, int depth, int depth2) {\n        float texR = dot(vec3(row, col, depth),\n                         vec3("+r+"Shape[1] * "+r+"Shape[2], "+r+"Shape[2], 1));\n        float texC = float(depth2);\n        vec2 uv = (vec2(texC, texR) + halfCR) /\n                  vec2("+r+"TexShape[1], "+r+"TexShape[0]);\n        return sampleTexture("+r+", uv);\n      }\n    ":"\n      float "+a+"(int row, int col, int depth, int depth2) {\n        float texR = dot(vec3(row, col, depth),\n                         vec3("+n[1]*n[2]+", "+n[2]+", 1));\n        float texC = float(depth2);\n        vec2 uv = (vec2(texC, texR) + halfCR) /\n                  vec2("+m+".0, "+d+".0);\n        return sampleTexture("+r+", uv);\n      }\n    ";var b=nY(r);if(t)return"\n    float "+a+"(int row, int col, int depth, int depth2) {\n      // Explicitly use integer operations as dot() only works on floats.\n      "+v+"\n      "+g+"\n      "+y+"\n      int index = row * stride0 + col * stride1 +\n          depth * stride2 + depth2;\n      vec2 uv = uvFromFlat("+r+"TexShape[0], "+r+"TexShape[1], index + "+b+");\n      return sampleTexture("+r+", uv);\n    }\n  ";return"\n    float "+a+"(int row, int col, int depth, int depth2) {\n      // Explicitly use integer operations as dot() only works on floats.\n      int index = row * "+s+" + col * "+o+" +\n          depth * "+i+" + depth2;\n      vec2 uv = uvFromFlat("+d+", "+m+", index + "+b+");\n      return sampleTexture("+r+", uv);\n    }\n  "}(e,t);case 5:return function(e){var t=e.shapeInfo.logicalShape,n=e.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1),a=t[4],i=t[3]*a,o=t[2]*i,s=t[1]*o,u=$v(t),l=u.newShape,c=u.keptDims;if(l.length<t.length){var p=["row","col","depth","depth2","depth3"];return"\n      "+JX(oY(e,l))+"\n      float "+r+"(int row, int col, int depth, int depth2, int depth3) {\n        return "+r+"("+sY(p,c)+");\n      }\n    "}if(e.shapeInfo.isUniform)return"\n      float "+r+"(int row, int col, int depth, int depth2, int depth3) {\n        float index = dot(\n          vec4(row, col, depth, depth2),\n          vec4("+s+", "+o+", "+i+", "+a+")) +\n          depth3;\n        "+rY(e)+"\n      }\n    ";var h=e.shapeInfo.flatOffset,f=e.shapeInfo.texShape,d=f[0],m=f[1];if(m===s&&null==h)return"\n      float "+r+"(int row, int col, int depth, int depth2, int depth3) {\n        int texR = row;\n        float texC = dot(vec4(col, depth, depth2, depth3),\n                         vec4("+o+", "+i+", "+a+", 1));\n        vec2 uv = (vec2(texC, texR) + halfCR) /\n                   vec2("+m+".0, "+d+".0);\n        return sampleTexture("+n+", uv);\n      }\n    ";if(m===a&&null==h)return"\n      float "+r+"(int row, int col, int depth, int depth2, int depth3) {\n        float texR = dot(\n          vec4(row, col, depth, depth2),\n          vec4("+t[1]*t[2]*t[3]+",\n               "+t[2]*t[3]+", "+t[3]+", 1));\n        int texC = depth3;\n        vec2 uv = (vec2(texC, texR) + halfCR) /\n                  vec2("+m+".0, "+d+".0);\n        return sampleTexture("+n+", uv);\n      }\n    ";var v=nY(n);return"\n    float "+r+"(int row, int col, int depth, int depth2, int depth3) {\n      // Explicitly use integer operations as dot() only works on floats.\n      int index = row * "+s+" + col * "+o+" + depth * "+i+" +\n          depth2 * "+a+" + depth3 + "+v+";\n      vec2 uv = uvFromFlat("+d+", "+m+", index);\n      return sampleTexture("+n+", uv);\n    }\n  "}(e);case 6:return function(e){var t=e.shapeInfo.logicalShape,n=e.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1),a=$v(t),i=a.newShape,o=a.keptDims;if(i.length<t.length){var s=["row","col","depth","depth2","depth3","depth4"];return"\n      "+JX(oY(e,i))+"\n      float "+r+"(int row, int col, int depth,\n                    int depth2, int depth3, int depth4) {\n        return "+r+"("+sY(s,o)+");\n      }\n    "}var u=t[5],l=t[4]*u,c=t[3]*l,p=t[2]*c,h=t[1]*p;if(e.shapeInfo.isUniform)return"\n      float "+r+"(int row, int col, int depth,\n                  int depth2, int depth3, int depth4) {\n        int index = round(dot(\n          vec4(row, col, depth, depth2),\n          vec4("+h+", "+p+", "+c+", "+l+")) +\n          dot(\n            vec2(depth3, depth4),\n            vec2("+u+", 1)));\n        "+rY(e)+"\n      }\n    ";var f=e.shapeInfo.flatOffset,d=e.shapeInfo.texShape,m=d[0],v=d[1];if(v===h&&null==f)return"\n      float "+r+"(int row, int col, int depth,\n                    int depth2, int depth3, int depth4) {\n        int texR = row;\n        float texC = dot(vec4(col, depth, depth2, depth3),\n          vec4("+p+", "+c+", "+l+", "+u+")) +\n               float(depth4);\n        vec2 uv = (vec2(texC, texR) + halfCR) /\n                   vec2("+v+".0, "+m+".0);\n        return sampleTexture("+n+", uv);\n      }\n    ";if(v===u&&null==f)return"\n      float "+r+"(int row, int col, int depth,\n                    int depth2, int depth3, int depth4) {\n        float texR = dot(vec4(row, col, depth, depth2),\n          vec4("+t[1]*t[2]*t[3]*t[4]+",\n               "+t[2]*t[3]*t[4]+",\n               "+t[3]*t[4]+",\n               "+t[4]+")) + float(depth3);\n        int texC = depth4;\n        vec2 uv = (vec2(texC, texR) + halfCR) /\n                  vec2("+v+".0, "+m+".0);\n        return sampleTexture("+n+", uv);\n      }\n    ";var g=nY(n);return"\n    float "+r+"(int row, int col, int depth,\n                  int depth2, int depth3, int depth4) {\n      // Explicitly use integer operations as dot() only works on floats.\n      int index = row * "+h+" + col * "+p+" + depth * "+c+" +\n          depth2 * "+l+" + depth3 * "+u+" + depth4 + "+g+";\n      vec2 uv = uvFromFlat("+m+", "+v+", index);\n      return sampleTexture("+n+", uv);\n    }\n  "}(e);default:throw new Error(n.length+"-D input sampling is not yet supported")}}function ZX(e,t){var n,r,a;switch(e.shapeInfo.logicalShape.length){case 0:return n=e.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1),a=VX(),"\n    vec4 "+r+"() {\n      return "+a.texture2D+"("+n+", halfCR);\n    }\n  ";case 1:return function(e,t){var n=e.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1),a=e.shapeInfo.texShape,i=VX();if(t)return"\n    vec4 "+r+"(int index) {\n      ivec2 packedTexShape = ivec2(ceil(float("+n+"TexShape[0]) / 2.0), ceil(float("+n+"TexShape[1]) / 2.0));\n      vec2 uv = packedUVfrom1D(\n        packedTexShape[0], packedTexShape[1], index);\n      return "+i.texture2D+"("+n+", uv);\n    }\n  ";var o=[Math.ceil(a[0]/2),Math.ceil(a[1]/2)];return"\n    vec4 "+r+"(int index) {\n      vec2 uv = packedUVfrom1D(\n        "+o[0]+", "+o[1]+", index);\n      return "+i.texture2D+"("+n+", uv);\n    }\n  "}(e,t);case 2:return function(e,t){var n=e.shapeInfo.logicalShape,r=e.name,a="get"+r.charAt(0).toUpperCase()+r.slice(1),i=e.shapeInfo.texShape,o=i[0],s=i[1],u=VX();if(null!=i&&qv(n,i))return t?"\n      vec4 "+a+"(int row, int col) {\n        vec2 uv = (vec2(col, row) + halfCR) / vec2("+r+"TexShape[1], "+r+"TexShape[0]);\n\n        return "+u.texture2D+"("+r+", uv);\n      }\n    ":"\n      vec4 "+a+"(int row, int col) {\n        vec2 uv = (vec2(col, row) + halfCR) / vec2("+s+".0, "+o+".0);\n\n        return "+u.texture2D+"("+r+", uv);\n      }\n    ";if(t)return"\n    vec4 "+a+"(int row, int col) {\n      ivec2 packedTexShape = ivec2(ceil(float("+r+"TexShape[0]) / 2.0), ceil(float("+r+"TexShape[1]) / 2.0));\n      int valuesPerRow = int(ceil(float("+r+"Shape[1]) / 2.0));\n      vec2 uv = packedUVfrom2D(valuesPerRow, packedTexShape[0], packedTexShape[1], row, col);\n      return "+u.texture2D+"("+r+", uv);\n    }\n  ";var l=[Math.ceil(i[0]/2),Math.ceil(i[1]/2)],c=Math.ceil(n[1]/2);return"\n    vec4 "+a+"(int row, int col) {\n      vec2 uv = packedUVfrom2D("+c+", "+l[0]+", "+l[1]+", row, col);\n      return "+u.texture2D+"("+r+", uv);\n    }\n  "}(e,t);case 3:return function(e,t){var n=e.shapeInfo.logicalShape,r=e.name,a="get"+r.charAt(0).toUpperCase()+r.slice(1),i=e.shapeInfo.texShape,o=[Math.ceil(i[0]/2),Math.ceil(i[1]/2)];if(1===n[0]){var s=[1,2],u=["b","row","col"];return"\n        "+ZX(oY(e,n.slice(1)),t)+"\n        vec4 "+a+"(int b, int row, int col) {\n          return "+a+"("+sY(u,s)+");\n        }\n      "}var l=VX();if(t)return"\n    vec4 "+a+"(int b, int row, int col) {\n      ivec2 packedTexShape = ivec2(ceil(float("+r+"TexShape[0]) / 2.0), ceil(float("+r+"TexShape[1]) / 2.0));\n      int valuesPerRow = int(ceil(float("+r+"Shape[2]) / 2.0));\n      int texelsInBatch = valuesPerRow * int(ceil(float("+r+"Shape[1]) / 2.0));\n      vec2 uv = packedUVfrom3D(\n        packedTexShape[0], packedTexShape[1], texelsInBatch, valuesPerRow, b, row, col);\n      return "+l.texture2D+"("+r+", uv);\n    }\n  ";var c=o[0],p=o[1],h=Math.ceil(n[2]/2),f=h*Math.ceil(n[1]/2);return"\n    vec4 "+a+"(int b, int row, int col) {\n      vec2 uv = packedUVfrom3D(\n        "+c+", "+p+", "+f+", "+h+", b, row, col);\n      return "+l.texture2D+"("+r+", uv);\n    }\n  "}(e,t);default:return function(e,t){var n=e.name,r="get"+n.charAt(0).toUpperCase()+n.slice(1),a=VX();if(t)return"\n    vec4 "+r+"(int b2, int b, int row, int col) {\n      int valuesPerRow = int(ceil(float("+n+"Shape[3]) / 2.0));\n      int texelsInBatch = valuesPerRow * int(ceil(float("+n+"Shape[2]) / 2.0));\n      int index = b * texelsInBatch + (row / 2) * valuesPerRow + (col / 2);\n      texelsInBatch *= "+n+"Shape[1];\n      index = b2 * texelsInBatch + index;\n      ivec2 packedTexShape = ivec2(ceil(float("+n+"TexShape[0]) / 2.0), ceil(float("+n+"TexShape[1]) / 2.0));\n      int texR = index / packedTexShape[1];\n      int texC = index - texR * packedTexShape[1];\n      vec2 uv = (vec2(texC, texR) + halfCR) / vec2(packedTexShape[1], packedTexShape[0]); return "+a.texture2D+"("+n+", uv);\n    }\n  ";for(var i=e.shapeInfo.logicalShape,o=i.length,s=e.shapeInfo.texShape,u=[Math.ceil(s[0]/2),Math.ceil(s[1]/2)],l=u[0],c=u[1],p=Math.ceil(i[o-1]/2),h=p*Math.ceil(i[o-2]/2),f="int b, int row, int col",d="b * "+h+" + (row / 2) * "+p+" + (col / 2)",m=2;m<o-1;m++)f="int b"+m+", "+f,d="b"+m+" * "+(h*=i[o-m-1])+" + "+d;return"\n    vec4 "+r+"("+f+") {\n      int index = "+d+";\n      int texR = index / "+c+";\n      int texC = index - texR * "+c+";\n      vec2 uv = (vec2(texC, texR) + halfCR) / vec2("+c+", "+l+");\n      return "+a.texture2D+"("+n+", uv);\n    }\n  "}(e,t)}}var QX="\nvec2 uvFromFlat(int texNumR, int texNumC, int index) {\n  int texR = index / texNumC;\n  int texC = index - texR * texNumC;\n  return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);\n}\nvec2 packedUVfrom1D(int texNumR, int texNumC, int index) {\n  int texelIndex = index / 2;\n  int texR = texelIndex / texNumC;\n  int texC = texelIndex - texR * texNumC;\n  return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);\n}\n",$X="\nvec2 packedUVfrom2D(int texelsInLogicalRow, int texNumR,\n  int texNumC, int row, int col) {\n  int texelIndex = (row / 2) * texelsInLogicalRow + (col / 2);\n  int texR = texelIndex / texNumC;\n  int texC = texelIndex - texR * texNumC;\n  return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);\n}\n",eY="\nvec2 packedUVfrom3D(int texNumR, int texNumC,\n    int texelsInBatch, int texelsInLogicalRow, int b,\n    int row, int col) {\n  int index = b * texelsInBatch + (row / 2) * texelsInLogicalRow + (col / 2);\n  int texR = index / texNumC;\n  int texC = index - texR * texNumC;\n  return (vec2(texC, texR) + halfCR) / vec2(texNumC, texNumR);\n}\n",tY="\n  float getChannel(vec4 frag, vec2 innerDims) {\n    vec2 modCoord = mod(innerDims, 2.);\n    return modCoord.x == 0. ?\n      (modCoord.y == 0. ? frag.r : frag.g) :\n      (modCoord.y == 0. ? frag.b : frag.a);\n  }\n  float getChannel(vec4 frag, int dim) {\n    float modCoord = mod(float(dim), 2.);\n    return modCoord == 0. ? frag.r : frag.g;\n  }\n";function nY(e){return"offset"+e}function rY(e){var t=e.name,n=Hv(e.shapeInfo.logicalShape);return n<2?"return "+t+";":"\n    for (int i = 0; i < "+n+"; i++) {\n      if (i == index) {\n        return "+t+"[i];\n      }\n    }\n  "}function aY(e){if(e<=1)return"int";if(2===e)return"ivec2";if(3===e)return"ivec3";if(4===e)return"ivec4";if(5===e)return"ivec5";if(6===e)return"ivec6";throw Error("GPU for rank "+e+" is not yet supported")}function iY(e,t,n){var r=$v(t),a=r.newShape,i=r.keptDims,o=t.length,s=e&&3===o&&1===t[0],u=s?t.slice(1):a,l=!e&&o>1&&!qv(t,n)&&a.length<o||s;return{useSqueezeShape:l,uniformShape:l?u:t,keptDims:i}}function oY(e,t){var n=JSON.parse(JSON.stringify(e));return n.shapeInfo.logicalShape=t,n}function sY(e,t){return t.map((function(t){return e[t]})).join(", ")}function uY(e,t,n,r){var a=n.map((function(e,n){var r={logicalShape:e.shape,texShape:e.isUniform?null:e.texData.texShape,isUniform:e.isUniform,isPacked:!e.isUniform&&e.texData.isPacked,flatOffset:null};return null!=e.texData&&null!=e.texData.slice&&e.texData.slice.flatOffset>0&&(r.flatOffset=e.texData.slice.flatOffset),{name:t.variableNames[n],shapeInfo:r}})),i=a.map((function(e){return e.shapeInfo})),o={logicalShape:r.shape,texShape:r.texData.texShape,isUniform:!1,isPacked:r.texData.isPacked,flatOffset:null},s=YX(a,o,t),u=function(e,t){var n=RX(e,(function(){return e.createShader(e.FRAGMENT_SHADER)}),"Unable to create fragment WebGLShader.");if(vX(e,(function(){return e.shaderSource(n,t)})),vX(e,(function(){return e.compileShader(n)})),Rg().get("ENGINE_COMPILE_ONLY"))return n;if(!1===e.getShaderParameter(n,e.COMPILE_STATUS))throw kX(t,e.getShaderInfoLog(n)),new Error("Failed to compile fragment shader.");return n}(e.gl,s),l=e.createProgram(u);return Rg().get("ENGINE_COMPILE_ONLY")?{program:t,fragmentShader:u,source:s,webGLProgram:l,inShapeInfos:i,outShapeInfo:o,uniformLocations:null,customUniformLocations:null,infLoc:null,nanLoc:null,inShapesLocations:null,inTexShapesLocations:null,outShapeLocation:null,outShapeStridesLocation:null,outTexShapeLocation:null}:Object.assign({program:t,fragmentShader:u,source:s,webGLProgram:l,inShapeInfos:i,outShapeInfo:o},lY(e,t,l))}function lY(e,t,n){var r,a,i,o,s={},u={},l={},c=[],p=null;o=e.getUniformLocation(n,"NAN",!1),1===Rg().getNumber("WEBGL_VERSION")&&(p=e.getUniformLocation(n,"INFINITY",!1));for(var h=!1,f=0;f<t.variableNames.length;f++){var d=t.variableNames[f];s[d]=e.getUniformLocation(n,d,h),s["offset"+d]=e.getUniformLocation(n,"offset"+d,h),t.enableShapeUniforms&&(u[d+"Shape"]=e.getUniformLocation(n,d+"Shape",h),l[d+"TexShape"]=e.getUniformLocation(n,d+"TexShape",h))}return t.enableShapeUniforms&&(r=e.getUniformLocation(n,"outShape",h),i=e.getUniformLocation(n,"outShapeStrides",h),a=e.getUniformLocation(n,"outTexShape",h)),t.customUniforms&&t.customUniforms.forEach((function(t,r){c[r]=e.getUniformLocation(n,t.name,h)})),{uniformLocations:s,customUniformLocations:c,infLoc:p,nanLoc:o,inShapesLocations:u,inTexShapesLocations:l,outShapeLocation:r,outShapeStridesLocation:i,outTexShapeLocation:a}}function cY(e,t){if(e.length!==t.length)throw Error("Binary was compiled with "+e.length+" inputs, but was executed with "+t.length+" inputs");e.forEach((function(e,n){var r=e.logicalShape,a=t[n],i=a.shape;if(!qv(r,i))throw Error("Binary was compiled with different shapes than the current args. Shapes "+r+" and "+i+" must match");if(!e.isUniform||!a.isUniform){var o=e.texShape,s=a.isUniform?null:a.texData.texShape;if(!qv(o,s))throw Error("Binary was compiled with different texture shapes than the current args. Shape "+o+" and "+s+" must match")}}))}function pY(e){return Rg().getBool("WEBGL_USE_SHAPES_UNIFORMS")&&e<=4}var hY=function(e){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0,this.outPackingScheme=oX.DENSE,this.customUniforms=[{name:"texShape",type:"ivec2"}];var t=VX();this.outputShape=e,this.enableShapeUniforms=pY(this.outputShape.length),this.userCode="\n      ivec3 outCoordsFromFlatIndex(int index) {\n        "+(this.enableShapeUniforms?jX(["r","c","d"],e):GX(["r","c","d"],e))+"\n        return ivec3(r, c, d);\n      }\n\n      void main() {\n        ivec2 resTexRC = ivec2(resultUV.yx * vec2(texShape[0], texShape[1]));\n        int index = 4 * (resTexRC.x * texShape[1] + resTexRC.y);\n\n        vec4 result = vec4(0.);\n\n        for (int i=0; i<4; i++) {\n          int flatIndex = index + i;\n          ivec3 rc = outCoordsFromFlatIndex(flatIndex);\n          result[i] = getA(rc.x, rc.y, rc.z);\n        }\n\n        "+t.output+" = result;\n      }\n    "},fY=function(e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outPackingScheme=oX.DENSE,this.customUniforms=[{name:"texShape",type:"ivec2"}];var t=VX();this.outputShape=e,this.enableShapeUniforms=pY(this.outputShape.length),this.userCode="\n      ivec3 outCoordsFromFlatIndex(int index) {\n        "+(this.enableShapeUniforms?jX(["r","c","d"],e):GX(["r","c","d"],e))+"\n        return ivec3(r, c, d);\n      }\n\n      void main() {\n        ivec2 resTexRC = ivec2(resultUV.yx * vec2(texShape[0], texShape[1]));\n        int index = 4 * (resTexRC.x * texShape[1] + resTexRC.y);\n\n        vec4 result = vec4(0.);\n\n        for (int i=0; i<4; i++) {\n          int flatIndex = index + i;\n          ivec3 rc = outCoordsFromFlatIndex(flatIndex);\n          result[i] = getChannel(getA(rc.x, rc.y, rc.z), vec2(rc.y, rc.z));\n        }\n\n        "+t.output+" = result;\n      }\n    "},dY=function(e){this.variableNames=["A"],this.outTexUsage=sX.DOWNLOAD;var t=VX();this.outputShape=e,this.userCode="\n      "+KX+"\n\n      void main() {\n        float x = getAAtOutCoords();\n        "+t.output+" = encode_float(x);\n      }\n    "},mY=function(e){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!1,this.outTexUsage=sX.DOWNLOAD;var t=VX();this.outputShape=e,this.userCode="\n      "+KX+"\n\n      void main() {\n        ivec3 coords = getOutputCoords();\n        float x = getChannel(getAAtOutCoords(), vec2(coords.y, coords.z));\n        "+t.output+" = encode_float(x);\n      }\n    "},vY=function(e,t){void 0===t&&(t=!1),this.variableNames=["A"],this.customUniforms=[{name:"texShape",type:"ivec2"}];var n=VX();this.outputShape=e,this.enableShapeUniforms=pY(this.outputShape.length);var r="result";t&&(r="floor(result * 255. + 0.5)"),this.userCode="\n      "+(this.enableShapeUniforms?"\n  int getFlatIndex(ivec3 coords) {\n    return coords.x * outShapeStrides[0] + coords.y * outShapeStrides[1] + coords.z;\n  }\n":qX(e))+"\n\n      void main() {\n        ivec3 coords = getOutputCoords();\n\n        int flatIndex = getFlatIndex(coords);\n        int offset = imod(flatIndex, 4);\n\n        flatIndex = idiv(flatIndex, 4, 1.);\n\n        int r = flatIndex / texShape[1];\n        int c = imod(flatIndex, texShape[1]);\n        vec2 uv = (vec2(c, r) + halfCR) / vec2(texShape[1], texShape[0]);\n        vec4 values = "+n.texture2D+"(A, uv);\n\n        float result;\n\n        if(offset == 0) {\n          result = values[0];\n        } else if(offset == 1) {\n          result = values[1];\n        } else if(offset == 2) {\n          result = values[2];\n        } else {\n          result = values[3];\n        }\n\n        "+n.output+" = vec4("+r+", 0., 0., 0.);\n      }\n    "},gY=function(e,t){void 0===t&&(t=!1),this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0,this.customUniforms=[{name:"texShape",type:"ivec2"}];var n=VX();this.outputShape=e,this.enableShapeUniforms=pY(this.outputShape.length);var r="",a="result";t&&(a="floor(result * 255. + 0.5)");for(var i=0;i<=1;i++)for(var o=0;o<=1;o++){var s=2*i+o;r+="\n          localCoords = coords;\n          if(localCoords[2] + "+o+" < "+(this.enableShapeUniforms?"outShape[2]":""+e[2])+") {\n          localCoords[2] += "+o+";\n          if (localCoords[1] + "+i+" < "+(this.enableShapeUniforms?"outShape[1]":""+e[1])+") {\n            localCoords[1] += "+i+";\n\n            flatIndex = getFlatIndex(localCoords);\n            offset = imod(flatIndex, 4);\n\n            flatIndex = idiv(flatIndex, 4, 1.);\n\n            int r = flatIndex / texShape[1];\n            int c = imod(flatIndex, texShape[1]);\n            vec2 uv = (vec2(c, r) + halfCR) / vec2(texShape[1], texShape[0]);\n            values = "+n.texture2D+"(A, uv);\n\n            if (offset == 0) {\n              result["+s+"] = values[0];\n            } else if (offset == 1) {\n              result["+s+"] = values[1];\n            } else if (offset == 2) {\n              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this.throwIfDisposed(),vX(this.gl,(function(){return n.gl.getAttribLocation(e,t)}))},t.getUniformLocationNoThrow=function(e,t){return this.throwIfDisposed(),this.gl.getUniformLocation(e,t)},t.setInputMatrixTexture=function(e,t,n){this.throwIfDisposed(),this.throwIfNoProgram(),SX(this.gl,e,t,n)},t.setOutputMatrixTexture=function(e,t,n){this.setOutputMatrixTextureDriver(e,n,t)},t.setOutputPackedMatrixTexture=function(e,t,n){this.throwIfDisposed();var r=dX(t,n),a=r[0],i=r[1];this.setOutputMatrixTextureDriver(e,a,i)},t.setOutputMatrixWriteRegion=function(e,t,n,r){this.setOutputMatrixWriteRegionDriver(n,e,r,t)},t.setOutputPackedMatrixWriteRegion=function(e,t,n,r){throw new Error("setOutputPackedMatrixWriteRegion not implemented.")},t.debugValidate=function(){null!=this.program&&NX(this.gl,this.program),CX(this.gl)},t.executeProgram=function(){this.throwIfDisposed(),this.throwIfNoProgram();var e=this.gl;this.debug&&this.debugValidate(),vX(e,(function(){return 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Error("Attempted to use disposed GPGPUContext.")},t.throwIfNoProgram=function(){if(null==this.program)throw new Error("No GPU program is currently set.")},kv(e,[{key:"debug",get:function(){return Rg().getBool("DEBUG")}}]),e}();var RY=SV,AY=RV,_Y=AV,FY=OV,DY=zV,OY=PV,MY=UV,LY=jV,zY=KV,PY=JV,BY=ZV,WY=QV,UY=tG,VY=aG,GY=sG,jY=cG,HY=pG,qY=dG,KY=mG,XY=yG,YY=wG,JY=SG,ZY=EG,QY=DG,$Y=MG,eJ=LG,tJ=BG,nJ=WG,rJ=pV,aJ=GG,iJ=qG,oJ=KG,sJ=XG,uJ=YG,lJ=tj,cJ=rj,pJ=ij,hJ=oj,fJ=sj,dJ=pj,mJ=dj,vJ=AG,gJ=mj;function yJ(e,t){return["x","y","z","w","u","v"].slice(0,t).map((function(t){return e+"."+t}))}function bJ(e,t){return 1===t?[e]:yJ(e,t)}var xJ=function(){function e(e){if(this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0,this.outputShape=e,this.rank=e.length,this.enableShapeUniforms=pY(this.outputShape.length),0===this.rank)this.userCode="\n        void main() {\n          setOutput(vec4(getA(), 0., 0., 0.));\n        }\n      ";else{var t=bJ("rc",this.rank),n=aY(this.rank),r=this.getOutOfBoundsCondition(t),a=this.getSetup(t),i=this.getOutput(t);this.userCode="\n        void main() {\n          "+n+" rc = getOutputCoords();\n\n          if("+r+") {\n            setOutput(vec4(0));\n          } else {\n            "+a+"\n\n            setOutput(vec4("+i+"));\n          }\n        }\n      "}}var t=e.prototype;return t.getSourceCoordsArr=function(e){for(var t=[],n=0;n<=1;n++)for(var r=0;r<=1;r++){for(var a=(0===n?"r":"rp1")+", "+(0===r?"c":"cp1"),i=2;i<this.rank;i++)a=e[e.length-1-i]+","+a;t.push(a)}return t},t.getOutOfBoundsCondition=function(e){if(1===this.rank)return"rc > "+(this.enableShapeUniforms?"outShape":this.outputShape[0]);for(var t="",n=this.rank-2;n<this.rank;n++)t+=e[n]+" >= "+(this.enableShapeUniforms?"outShape["+n+"]":this.outputShape[n]),n<this.rank-1&&(t+="||");return t},t.getSetup=function(e){if(1===this.rank)return"";var t=e.slice(-2),n=this.enableShapeUniforms?"outShape["+this.rank+" - 1]":this.outputShape[this.rank-1],r=this.enableShapeUniforms?"outShape["+this.rank+" - 2]":this.outputShape[this.rank-2];return"\n      int r = "+t[0]+";\n      int c = "+t[1]+";\n      int rp1 = r + 1;\n      int cp1 = c + 1;\n\n      bool cEdge = cp1 >= "+n+";\n      bool rEdge = rp1 >= "+r+";\n    "},t.getOutput=function(e){var t=this.getSourceCoordsArr(e);return 1===this.rank?"getA(rc), (rc + 1 >= "+(this.enableShapeUniforms?"outShape":this.outputShape[0])+" ? 0. : getA(rc + 1)), 0, 0":"getA("+t[0]+"),\n            cEdge ? 0. : getA("+t[1]+"),\n            rEdge ? 0. : getA("+t[2]+"),\n            rEdge || cEdge ? 0. : getA("+t[3]+")"},e}(),wJ=function(e,t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.customUniforms=[{name:"inputShape",type:"ivec3"}],this.outputShape=e,this.enableShapeUniforms=pY(this.outputShape.length);for(var n,r="",a=0;a<4;a++){var i="thisRC = rc;";a%2==1&&(i+="thisRC.z += 1;"),a>1&&(i+="thisRC.y += 1;"),r+="\n        "+i+"\n        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int cols = "+(this.enableShapeUniforms?"outShape[2]":e[2])+";\n\n        "+r+"\n\n        setOutput(result);\n      }\n    "};var kJ=function(){function e(e){this.gpgpu=e,this.numUsedTextures=0,this.numFreeTextures=0,this._numBytesAllocated=0,this._numBytesFree=0,this.freeTextures={},this.logEnabled=!1,this.usedTextures={}}var t=e.prototype;return t.acquireTexture=function(e,t,n){var r=IJ(t,n),a=SJ(e,r,n);a in this.freeTextures||(this.freeTextures[a]=[]),a in this.usedTextures||(this.usedTextures[a]=[]);var i,o=NJ(e,r,this.gpgpu.gl,this.gpgpu.textureConfig,n);if(this.freeTextures[a].length>0){this.numFreeTextures--,this.numUsedTextures++,this._numBytesFree-=o,this.log();var s=this.freeTextures[a].shift();return this.usedTextures[a].push(s),s}return r===uX.PACKED_2X2_FLOAT32?i=this.gpgpu.createPackedMatrixTexture(e[0],e[1]):r===uX.PACKED_2X2_FLOAT16?i=this.gpgpu.createFloat16PackedMatrixTexture(e[0],e[1]):r===uX.UNPACKED_FLOAT32?i=this.gpgpu.createFloat32MatrixTexture(e[0],e[1]):r===uX.UNPACKED_FLOAT16?i=this.gpgpu.createFloat16MatrixTexture(e[0],e[1]):r===uX.PACKED_4X1_UNSIGNED_BYTE&&(i=this.gpgpu.createUnsignedBytesMatrixTexture(e[0],e[1])),this.usedTextures[a].push(i),this.numUsedTextures++,this._numBytesAllocated+=o,this.log(),i},t.releaseTexture=function(e,t,n,r){if(null!=this.freeTextures){var a=IJ(n,r),i=SJ(t,a,r);i in this.freeTextures||(this.freeTextures[i]=[]);var o=NJ(t,a,this.gpgpu.gl,this.gpgpu.textureConfig,r),s=Rg().get("WEBGL_DELETE_TEXTURE_THRESHOLD");-1!==s&&this._numBytesAllocated>s?(this.gpgpu.deleteMatrixTexture(e.texture),this._numBytesAllocated-=o):(this.freeTextures[i].push(e),this.numFreeTextures++,this._numBytesFree+=o),this.numUsedTextures--;var u=this.usedTextures[i],l=u.indexOf(e);if(l<0)throw new Error("Cannot release a texture that was never provided by this texture manager");u.splice(l,1),this.log()}},t.log=function(){if(this.logEnabled){var e=this.numFreeTextures+this.numUsedTextures;console.log("Free/Used",this.numFreeTextures+" / "+this.numUsedTextures,"("+e+")");var t=this._numBytesFree/this._numBytesAllocated;console.log("Bytes allocated: "+this._numBytesAllocated),console.log("Bytes unused: "+this._numBytesFree+" ("+Math.round(100*t)+"%)")}},t.getNumUsedTextures=function(){return this.numUsedTextures},t.getNumFreeTextures=function(){return this.numFreeTextures},t.dispose=function(){var e=this;if(null!=this.freeTextures){for(var t in this.freeTextures)this.freeTextures[t].forEach((function(t){e.gpgpu.deleteMatrixTexture(t.texture)}));for(var n in this.usedTextures)this.usedTextures[n].forEach((function(t){e.gpgpu.deleteMatrixTexture(t.texture)}));this.freeTextures=null,this.usedTextures=null,this.numUsedTextures=0,this.numFreeTextures=0,this._numBytesAllocated=0,this._numBytesFree=0}},kv(e,[{key:"numBytesAllocated",get:function(){return this._numBytesAllocated}},{key:"numBytesFree",get:function(){return this._numBytesFree}}]),e}();function NJ(e,t,n,r,a){var i,o=function(e,t){switch(e){case uX.PACKED_2X2_FLOAT32:return SY(t);case uX.PACKED_2X2_FLOAT16:return TY(t);case uX.UNPACKED_FLOAT32:return kY(t);case uX.UNPACKED_FLOAT16:return NY(t);case uX.PACKED_4X1_UNSIGNED_BYTE:return IY(t);default:throw new Error("Unknown physical texture type "+e)}}(t,r);if(a){var s=dX(e[0],e[1]);i=s[0]*s[1]}else{var u=hX(e[0],e[1]);i=u[0]*u[1]}return i*function(e,t){var n=e;if(t===n.R32F)return 4;if(t===n.R16F)return 2;if(t===n.RGBA32F)return 16;if(t===e.RGBA)return 16;if(t===n.RGBA16F)return 8;if(t===n.RGBA8)return 4;throw new Error("Unknown 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r=e.inputs,i=e.backend,l=r.a,c=r.b,p=i;if(o&&"complex64"===l.dtype){var h=p.texData.get(l.dataId),f=p.texData.get(c.dataId),d=[[h.complexTensorInfos.real,f.complexTensorInfos.real],[h.complexTensorInfos.imag,f.complexTensorInfos.imag]].map((function(e){var n=e[0],r=e[1],a={dataId:n.dataId,dtype:n.dtype,shape:l.shape},i={dataId:r.dataId,dtype:r.dtype,shape:c.shape},o=new LJ(t,l.shape,c.shape);return p.runWebGLProgram(o,[a,i],rk(n.dtype,r.dtype))})),m=d[0],v=d[1],g=WJ({inputs:{real:m,imag:v},backend:p});return p.disposeIntermediateTensorInfo(m),p.disposeIntermediateTensorInfo(v),g}var y,b=u||rk(l.dtype,c.dtype);if(("string"===l.dtype||"string"===c.dtype||p.shouldExecuteOnCPU([l,c]))&&null!=s){var x=p.texData.get(l.dataId).values,w=p.texData.get(c.dataId).values,k="string"===l.dtype?K_(x):x,N="string"===l.dtype?K_(w):w,I=s(l.shape,c.shape,k,N,b),S=I[0],T=I[1],E=p.makeTensorInfo(T,b);return p.texData.get(E.dataId).values=S,E}return y=Rg().getBool("WEBGL_PACK_BINARY_OPERATIONS")&&null!=n?new zJ(n,l.shape,c.shape,a):new LJ(t,l.shape,c.shape),p.runWebGLProgram(y,[l,c],b)}}function JJ(e,t){if(void 0===t&&(t=!1),"linear"===e)return"return x;";if("relu"===e)return t?"\n  vec4 result = x * vec4(greaterThanEqual(x, vec4(0.0)));\n  bvec4 isNaN = isnan(x);\n\n  result.r = isNaN.r ? x.r : result.r;\n  result.g = isNaN.g ? x.g : result.g;\n  result.b = isNaN.b ? x.b : result.b;\n  result.a = isNaN.a ? x.a : result.a;\n\n  return result;\n":"if (isnan(x)) return x;\n  return (x < 0.0) ? 0.0 : x;\n";if("elu"===e)return t?"\n  vec4 result;\n\n  result.r = (x.r >= 0.0) ? x.r : (exp(x.r) - 1.0);\n  result.g = (x.g >= 0.0) ? x.g : (exp(x.g) - 1.0);\n  result.b = (x.b >= 0.0) ? x.b : (exp(x.b) - 1.0);\n  result.a = (x.a >= 0.0) ? x.a : (exp(x.a) - 1.0);\n\n  return result;\n":"return (x >= 0.0) ? x : (exp(x) - 1.0);";if("relu6"===e)return t?"\n  vec4 result = min(x, vec4(6.)) * vec4(greaterThanEqual(x, vec4(0.0)));\n  bvec4 isNaN = 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vec4(\n            getValue(batch, inIdx),\n            getValue(batch, inIdx + 1),\n            getValue(batch, inIdx + 2), 0.0);\n\n          "+u+"\n        }\n        setOutput(sumValue);\n      }\n    "},sZ=function(e,t){this.variableNames=["x"];var n=e.windowSize,r=e.batchSize,a=e.inSize,i=e.outSize;this.outputShape=[r,i];var o="0.0",s="";"prod"===t?o="1.0":"min"===t?(o="1.0 / 1e-20",s="min"):"max"===t&&(o="-1.0 / 1e-20",s="max");var u=t+"("+t+"("+t+"(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])";"sum"===t?u="sumValue":"prod"===t?u="prodValue":"all"===t?u="allValue":"any"===t&&(u="anyValue");var l=4*Math.floor(n/4),c=n%4,p="\n      if ("+("sum"===t)+") {\n        sumValue += dot(values, ones);\n      } else if ("+("prod"===t)+") {\n        vec2 tmp = vec2(values[0], values[1]) * vec2(values[2], values[3]);\n        prodValue *= tmp[0] * tmp[1];\n      } else {\n        minMaxValue = "+s+"(values, minMaxValue);\n        if ("+("min"===t)+" || "+("max"===t)+") {\n          minMaxValue = "+s+"(values, minMaxValue);\n          bvec4 isNaN = isnan(values);\n          if (isNaN.r || isNaN.g || isNaN.b || isNaN.a) {\n            minMaxValue = vec4(NAN);\n          }\n        }\n      }\n    ",h="vec4";"all"===t?(o="1.0",p="\n        bool reducedAllValue = all(values);\n        float floatedReducedAllValue = float(reducedAllValue);\n        allValue = float(allValue >= 1.0 && floatedReducedAllValue >= 1.0);\n      ",h="bvec4"):"any"===t&&(o="0.0",p="\n        bool reducedAnyValue = any(values);\n        float floatedReducedAnyValue = float(reducedAnyValue);\n        anyValue = float(anyValue >= 1.0 || floatedReducedAnyValue >= 1.0);\n      ",h="bvec4");var f="";a%n>0&&(f="\n        if (inIdx < 0 || inIdx >= "+a+") {\n          return initializationValue;\n        }\n      "),this.userCode="\n      const float initializationValue = "+o+";\n      const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);\n\n      float getValue(int batch, int inIdx) {\n        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if ("+(2===c)+") {\n          "+h+" values = "+h+"(\n            getValue(batch, inIdx),\n            getValue(batch, inIdx + 1),\n            initializationValue,\n            initializationValue\n          );\n\n          "+p+"\n        } else if ("+(3===c)+") {\n          "+h+" values = "+h+"(\n            getValue(batch, inIdx),\n            getValue(batch, inIdx + 1),\n            getValue(batch, inIdx + 2),\n            initializationValue\n          );\n\n          "+p+"\n        }\n        setOutput("+u+");\n      }\n    "};function uZ(e,t,n,r){for(var a=function(e){for(var t=[];0===t.length||1!==t[t.length-1].outSize;){var n=t.length?t[t.length-1].outSize:e[1],r=e_(n);t.push({inSize:n,windowSize:r,outSize:Math.ceil(n/r)})}return t}(e.shape),i=e,o=0;o<a.length;o++){var s,u=a[o],l=u.inSize,c=u.windowSize,p=u.outSize,h=void 0;h="mean"===n?0===o?new oZ({windowSize:c,inSize:l,batchSize:e.shape[0],outSize:p},l):new oZ({windowSize:c,inSize:l,batchSize:e.shape[0],outSize:p}):new sZ({windowSize:c,inSize:l,batchSize:e.shape[0],outSize:p},n),s=i,i=r.runWebGLProgram(h,[i],t),s.dataId!==e.dataId&&r.disposeIntermediateTensorInfo(s)}return i}var lZ=function(e,t){this.variableNames=["A"];for(var n=new Array(e.length),r=0;r<n.length;r++)n[r]=e[t[r]];this.outputShape=n,this.rank=n.length;var a=aY(this.rank),i=function(e){var t=e.length;if(t>6)throw Error("Transpose for rank "+t+" is not yet supported");for(var n=["resRC.x","resRC.y","resRC.z","resRC.w","resRC.u","resRC.v"],r=new Array(t),a=0;a<e.length;a++)r[e[a]]=n[a];return r.join()}(t);this.userCode="\n    void main() {\n      "+a+" resRC = getOutputCoords();\n      setOutput(getA("+i+"));\n    }\n    "};var cZ=function(e,t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0;for(var n=new Array(e.length),r=0;r<n.length;r++)n[r]=e[t[r]];if(this.outputShape=n,this.rank=n.length,this.rank>6)throw Error("Packed transpose for rank "+this.rank+" is not yet supported.");for(var a=aY(this.rank),i=yJ("rc",this.rank),o=new Array(this.rank),s=0;s<t.length;s++)o[t[s]]=i[s];var u="vec2("+o.slice(-2).join()+")",l="++"+i[this.rank-1]+" < "+n[this.rank-1],c="getChannel(getA("+o.join()+"), "+u+")";this.userCode="\n    void main() {\n      "+a+" rc = getOutputCoords();\n      vec4 result = vec4(0.);\n      result[0] = "+c+";\n      if("+l+") {\n        result[1] = "+c+";\n      }\n      --"+i[this.rank-1]+";\n      if(++"+i[this.rank-2]+" < "+n[this.rank-2]+") {\n        result[2] = "+c+";\n        if("+l+") {\n          result[3] = "+c+";\n        }\n      }\n      setOutput(result);\n    }\n    "};function pZ(e,t,n){var r=Rg().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new cZ(e.shape,t):new lZ(e.shape,t);return n.runWebGLProgram(r,[e],e.dtype)}function hZ(e){var t=e.inputs,n=e.backend,r=e.attrs;return function(e,t,n,r){var a=t,i=e.shape.length,o=Qv(a,e.shape),s=o,u=zT(s,i),l=null!=u,c=e;l&&(c=pZ(e,u,r),s=BT(s.length,i)),LT("sum",s,i);var p=OT(c.shape,s),h=p[0],f=p[1],d=h;n&&(d=MT(h,o));var m=Hv(f),v=aZ({inputs:{x:c},attrs:{shape:[Hv(e.shape)/m,m]},backend:r}),g=uZ(v,ak(e.dtype),"sum",r),y=aZ({inputs:{x:g},attrs:{shape:d},backend:r});return r.disposeIntermediateTensorInfo(v),r.disposeIntermediateTensorInfo(g),l&&r.disposeIntermediateTensorInfo(c),y}(t.x,r.axis,r.keepDims,n)}var fZ={kernelName:ox,backendName:"webgl",kernelFunc:hZ};function dZ(e){for(var t,n=e.inputs,r=e.backend,a=e.attrs,i=n.x,o=a.perm,s=r,u=i.shape.length,l=new Array(u),c=0;c<l.length;c++)l[c]=i.shape[o[c]];if(s.shouldExecuteOnCPU([i])){var p=s.texData.get(i.dataId).values,h=vJ(p,i.shape,i.dtype,o,l);t=s.makeTensorInfo(l,i.dtype),s.texData.get(t.dataId).values=h}else t=pZ(i,o,s);return t}var mZ={kernelName:Ex,backendName:"webgl",kernelFunc:dZ};function vZ(e){var t=e.a,n=e.b,r=e.transposeA,a=e.transposeB,i=e.backend,o=e.bias,s=void 0===o?null:o,u=e.preluActivationWeights,l=void 0===u?null:u,c=e.leakyreluAlpha,p=void 0===c?0:c,h=e.activation,f=void 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B=1===b,W=z;1!==b&&(W=aZ({inputs:{x:z},backend:i,attrs:{shape:[_,F,1]}}),A.push(W));var U=1===b?2:1,V=P;B&&(V=aZ({inputs:{x:P},backend:i,attrs:{shape:[_,1,F]}}),A.push(V));var G=nZ({inputs:{a:W,b:V},backend:i});S=hZ({inputs:{x:G},backend:i,attrs:{axis:U,keepDims:!0}}),A.push(G)}else{var j=rk(t.dtype,n.dtype),H=new ZJ(T,E,[_,y,b],r,a,D,L,O,M),q=[C,R];if(null!=s&&q.push(s),O&&q.push(l),M){var K=i.makeTensorInfo([],"float32",_w(p,"float32"));q.push(K),A.push(K)}S=i.runWebGLProgram(H,q,j)}var X=aZ({inputs:{x:S},backend:i,attrs:{shape:I}});A.push(S);for(var Y=0,J=A;Y<J.length;Y++){var Z=J[Y];i.disposeIntermediateTensorInfo(Z)}return X}var gZ={kernelName:Mx,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.a,i=t.b,o=t.bias,s=t.preluActivationWeights,u=r.transposeA,l=r.transposeB,c=r.activation;return vZ({a:a,b:i,transposeA:u,transposeB:l,backend:n,bias:o,preluActivationWeights:s,leakyreluAlpha:r.leakyreluAlpha,activation:c})}},yZ="return abs(x);";var bZ={kernelName:Fg,backendName:"webgl",kernelFunc:function(e){var t,n=e.inputs,r=e.backend,a=n.x;if(r.shouldExecuteOnCPU([a])&&"complex64"!==a.dtype){var i=r.texData.get(a.dataId),o=rJ(i.values);return r.makeTensorInfo(a.shape,a.dtype,o)}return t=Rg().getBool("WEBGL_PACK_UNARY_OPERATIONS")?new AJ(a.shape,yZ):new TJ(a.shape,yZ),r.runWebGLProgram(t,[a],a.dtype)}},xZ=XJ({opSnippet:"if (isnan(x)) return x;\n  if (abs(x) > 1.) {\n    return NAN;\n  }\n  return acos(x);\n"}),wZ={kernelName:Dg,backendName:"webgl",kernelFunc:xZ},kZ=XJ({opSnippet:"if (isnan(x)) return x;\n  if (x < 1.0) return NAN;\nreturn log(x + sqrt(x * x - 1.0));"}),NZ={kernelName:Og,backendName:"webgl",kernelFunc:kZ},IZ="return a + b;",SZ=YJ({opSnippet:IZ,packedOpSnippet:IZ,supportsComplex:!0,cpuKernelImpl:RY}),TZ={kernelName:Mg,backendName:"webgl",kernelFunc:SZ},EZ=function(e,t){this.outputShape=[],this.outputShape=e,this.variableNames=t.map((function(e,t){return"T"+t}));var n=[];this.variableNames.forEach((function(e){n.push("float v"+e+" = get"+e+"AtOutCoords();")}));var r=this.variableNames.map((function(e){return"v"+e})).join(" + ");this.userCode="\n      void main() {\n        "+n.join("\n        ")+"\n\n        float result = "+r+";\n        setOutput(result);\n      }\n    "},CZ=function(e,t){this.outputShape=[],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e,this.variableNames=t.map((function(e,t){return"T"+t}));var n=[];this.variableNames.forEach((function(e){n.push("vec4 v"+e+" = get"+e+"AtOutCoords();")}));var r=this.variableNames.map((function(e){return"v"+e})).join(" + ");this.userCode="\n      void main() {\n        "+n.join("\n        ")+"\n\n        vec4 result = "+r+";\n        setOutput(result);\n      }\n    "};var RZ={kernelName:Lg,backendName:"webgl",kernelFunc:function e(t){var n=t.inputs,r=t.backend,a=n;if(1===a.length)return PJ({inputs:{x:a[0]},backend:r});if(a.length>Rg().get("WEBGL_MAX_TEXTURES_IN_SHADER")){var 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_Z={kernelName:Pg,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.axis,o=r.keepDims,s=a.shape.length,u=Qv(i,a.shape),l=u,c=zT(l,s),p=a;null!=c&&(p=dZ({inputs:{x:a},backend:n,attrs:{perm:c}}),l=BT(l.length,s)),LT("any",l,s);var h,f=OT(p.shape,l),d=f[0],m=aZ({inputs:{x:p},backend:n,attrs:{shape:[-1,Hv(f[1])]}}),v=uZ(m,m.dtype,"any",n);return h=aZ(o?{inputs:{x:v},backend:n,attrs:{shape:MT(d,u)}}:{inputs:{x:v},backend:n,attrs:{shape:d}}),n.disposeIntermediateTensorInfo(m),n.disposeIntermediateTensorInfo(v),null!=c&&n.disposeIntermediateTensorInfo(p),h}},FZ=function(e,t,n){this.variableNames=["A"];var r=e.windowSize,a=e.batchSize,i=e.outSize;n||this.variableNames.push("bestIndicesA"),this.outputShape=[a,i];var o="max"===t?">":"<",s=n?"inOffset + i;":"round(getBestIndicesA(batch, inOffset + i));";this.userCode="\n      void main() {\n        ivec2 coords = getOutputCoords();\n        int batch = coords[0];\n        int outIdx = coords[1];\n        int inOffset = outIdx * "+r+";\n\n        int bestIndex = inOffset;\n        float bestValue = getA(batch, bestIndex);\n\n        for (int i = 0; i < "+r+"; i++) {\n          int inIdx = "+s+";\n          float candidate = getA(batch, inIdx);\n          if (candidate "+o+" bestValue) {\n            bestValue = candidate;\n            bestIndex = inIdx;\n          }\n        }\n        setOutput(float(bestIndex));\n      }\n    "},DZ=function(e,t,n,r){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,Uv(e.length>2,(function(){return"Packed arg"+(n.charAt(0).toUpperCase()+n.slice(1))+" supports only inputs with rank above 2."}));var a=e[e.length-1],i=Math.ceil(a/t);this.outputShape=e.slice(0,-1),i>1&&this.outputShape.push(i),r||this.variableNames.push("bestIndicesA");var o,s,u=this.outputShape,l=u.length,c=aY(l),p=bJ("coords",l);if(1===i){var h=aY(s=l+1);o="\n        "+h+" sourceLocR = "+h+"("+p.join()+", 0);\n        ++"+p[l-1]+";\n        "+h+" sourceLocG = 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getBestIndicesAChannel("+b.join()+")));",k="vec4(\n            getAChannel("+v.join()+"),\n            hasNextCol ? getAChannel("+g.join()+") : 0.,\n            hasNextRow ? getAChannel("+y.join()+") : 0.,\n            hasNextRow && hasNextCol ? getAChannel("+b.join()+") : 0.)",N=r?"":"\n      float getBestIndicesAChannel("+m.join()+") {\n        return getChannel(getBestIndicesA("+f.join()+"),\n                                          vec2("+f.slice(-2).join()+"));\n      }";this.userCode="\n      float getAChannel("+m.join()+") {\n        return getChannel(getA("+f.join()+"),\n                               vec2("+f.slice(-2).join()+"));\n      }\n      "+N+"\n      void main() {\n        "+c+" coords = getOutputCoords();\n        bool hasNextCol = "+p[l-1]+" < "+(u[l-1]-1)+";\n        bool hasNextRow = "+p[l-2]+" < "+(u[l-2]-1)+";\n        "+o+"\n        ivec4 srcIdx = ivec4(sourceLocR"+d+", sourceLocG"+d+",\n          sourceLocB"+d+", sourceLocA"+d+") * "+t+";\n        ivec4 inIdx = srcIdx;\n        vec4 bestIndex = vec4(inIdx);\n        vec4 bestValue = "+k+";\n\n        for (int i = 0; i < "+t+"; i++) {\n          inIdx = srcIdx;\n          "+w+"\n          vec4 candidate = "+k+";\n          bvec4 nan = isnan(candidate);\n          bvec4 replace = bvec4(\n            vec4("+x+"(candidate, bestValue)) * (vec4(1.0) - vec4(nan)));\n\n          bestValue = vec4(replace.x  ? candidate.x : bestValue.x,\n                           replace.y  ? candidate.y : bestValue.y,\n                           replace.z  ? candidate.z : bestValue.z,\n                           replace.w  ? candidate.w : bestValue.w);\n          bestIndex = mix(bestIndex, vec4(inIdx), vec4(replace));\n          srcIdx++;\n        }\n        setOutput(bestIndex);\n      }\n    "};function OZ(e,t,n,r){void 0===r&&(r=null);var a=t.shape[0],i=t.shape[1];null!=r&&(a=r.shape[0],i=r.shape[1]);var o=e_(i),s={windowSize:o,inSize:i,batchSize:a,outSize:Math.ceil(i/o)},u=new FZ(s,n,null==r),l=[t];null!=r&&l.push(r);var c=e.runWebGLProgram(u,l,"int32");if(1===c.shape[1])return c;var p=OZ(e,t,n,c);return e.disposeIntermediateTensorInfo(c),p}function MZ(e,t,n,r){void 0===r&&(r=null);var a=null!=r?r.shape:t.shape,i=e_(a[a.length-1]),o=new DZ(a,i,n,null==r),s=null==r?[t]:[t,r],u=e.runWebGLProgram(o,s,"int32");if(u.shape.length===t.shape.length){var l=MZ(e,t,n,u);return e.disposeIntermediateTensorInfo(u),l}return u}function LZ(e,t,n,r){var a=[n];if(LT("arg"+r.charAt(0).toUpperCase()+r.slice(1),a,t.shape.length),!Rg().getBool("WEBGL_PACK_REDUCE")||t.shape.length<=2){var i=[],o=e.texData.get(t.dataId),s=t;null!==o&&o.isPacked&&(s=e.unpackTensor(t),i.push(s));var u=OT(s.shape,a),l=u[0],c=Hv(u[1]),p=aZ({inputs:{x:s},backend:e,attrs:{shape:[-1,c]}});i.push(p);var h=OZ(e,p,r);i.push(h);var f=aZ({inputs:{x:h},backend:e,attrs:{shape:l}});return i.forEach((function(t){return e.disposeIntermediateTensorInfo(t)})),f}return MZ(e,t,r)}var zZ={kernelName:Bg,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=Qv(r.axis,a.shape),o=zT(i,a.shape.length),s=a,u=[];null!=o&&(s=dZ({inputs:{x:a},backend:n,attrs:{perm:o}}),u.push(s),i=BT(i.length,s.shape.length)),LT("argMax",[i[0]],s.shape.length);var l=LZ(n,s,i[0],"max");return u.forEach((function(e){return n.disposeIntermediateTensorInfo(e)})),l}};var PZ={kernelName:Wg,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=Qv(r.axis,a.shape),o=zT(i,a.shape.length),s=a,u=[];null!=o&&(s=dZ({inputs:{x:a},backend:n,attrs:{perm:o}}),u.push(s),i=BT(i.length,s.shape.length)),LT("argMin",[i[0]],s.shape.length);var l=LZ(n,s,i[0],"min");return u.forEach((function(e){return n.disposeIntermediateTensorInfo(e)})),l}},BZ=XJ({opSnippet:"if (isnan(x)) return x;\n  if (abs(x) > 1.) {\n    return NAN;\n  }\n  return asin(x);\n"}),WZ={kernelName:Ug,backendName:"webgl",kernelFunc:BZ},UZ=XJ({opSnippet:"if (isnan(x)) return x;return log(x + sqrt(x * x + 1.0));"}),VZ={kernelName:Vg,backendName:"webgl",kernelFunc:UZ},GZ=XJ({opSnippet:"if (isnan(x)) return x;\n  return atan(x);\n"}),jZ={kernelName:Gg,backendName:"webgl",kernelFunc:GZ},HZ=YJ({opSnippet:"\n  if (isnan(a)) return a;\n  if (isnan(b)) return b;\n\n  return atan(a, b);\n",packedOpSnippet:"\n  vec4 result = atan(a, b);\n  vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));\n  \n  result.r = isNaN.r > 0. ? NAN : result.r;\n  result.g = isNaN.g > 0. ? NAN : result.g;\n  result.b = isNaN.b > 0. ? NAN : result.b;\n  result.a = isNaN.a > 0. ? NAN : result.a;\n\n  return result;\n"}),qZ={kernelName:Hg,backendName:"webgl",kernelFunc:HZ},KZ=XJ({opSnippet:"if (isnan(x)) return x;\n  if ((x < -1.0) || (x > 1.0)) return NAN;\nreturn (log(1.0 + x) - log(1.0 - x)) / 2.0;"}),XZ={kernelName:jg,backendName:"webgl",kernelFunc:KZ},YZ=function(e,t,n,r,a){if(void 0===r&&(r=!1),void 0===a&&(a=!1),this.variableNames=["x"],"avg"===t&&n)throw new Error("Cannot compute positions for average pool.");var i=e.filterWidth,o=e.strideHeight,s=e.strideWidth,u=e.dilationHeight,l=e.dilationWidth,c=e.effectiveFilterHeight,p=e.effectiveFilterWidth,h=e.padInfo.top,f=e.padInfo.left;this.outputShape=e.outShape;var d="avg"===t,m="((batch  * "+e.inHeight+" + xR) * "+e.inWidth+" + xC) * "+e.inChannels+" + d",v="(xR * "+e.inWidth+" + xC) * "+e.inChannels+" + d",g="0.0";if(d||(g="-1.0 / 1e-20"),n){this.userCode="\n        const ivec2 strides = ivec2("+o+", "+s+");\n        const ivec2 pads = ivec2("+h+", "+f+");\n\n        void main() {\n          ivec4 coords = getOutputCoords();\n          int batch = coords[0];\n          int d = coords[3];\n\n          ivec2 xRCCorner = coords.yz * strides - pads;\n          int xRCorner = xRCCorner.x;\n          int xCCorner = xRCCorner.y;\n\n          // max/min x(?, ?, d) to get y(yR, yC, d).\n          // ? = to be determined\n          float minMaxValue = 0.0;\n          float minMaxValueFound = 0.0;\n          int minMaxPosition = 0;\n          float avgValue = 0.0;\n\n          for (int wR = 0; wR < "+c+";\n              wR += "+u+") {\n            int xR = xRCorner + wR;\n\n            if (xR < 0 || xR >= "+e.inHeight+") {\n              continue;\n            }\n\n            for (int wC = 0; wC < "+p+";\n                wC += "+l+") {\n              int xC = xCCorner + wC;\n\n              if (xC < 0 || xC >= "+e.inWidth+") {\n                continue;\n              }\n\n              float value = getX(batch, xR, xC, d);\n\n              // If a min / max value has already been found, use it. If not,\n              // use the current value.\n              float currMinMaxValue = mix(\n                  value, minMaxValue, minMaxValueFound);\n              if (value >= currMinMaxValue) {\n                minMaxValue = value;\n                minMaxValueFound = 1.0;\n                minMaxPosition = "+(r?a?m:v:"wR * "+p+" + wC")+";\n              }\n            }\n          }\n          setOutput(float(minMaxPosition));\n        }\n      "}else{var y=t+"("+t+"("+t+"(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])";"avg"===t&&(y="avgValue / count");var b=4*Math.floor(i/4),x=i%4,w="\n      if ("+d+") {\n        avgValue += dot(values, ones);\n      } else {\n        minMaxValue = max(values, minMaxValue);\n      }\n    ";this.userCode="\n      const ivec2 strides = ivec2("+o+", "+s+");\n      const ivec2 pads = ivec2("+h+", "+f+");\n      const float initializationValue = "+g+";\n      const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);\n\n      float count = 0.0;\n\n      float getValue(int batch, int xR, int xC, int d) {\n        if (xC < 0 || xC >= "+e.inWidth+") {\n          return initializationValue;\n        }\n        count += 1.0;\n        return getX(batch, xR, xC, d);\n      }\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int batch = coords[0];\n        int d = coords[3];\n\n        ivec2 xRCCorner = coords.yz * strides - pads;\n        int xRCorner = xRCCorner.x;\n        int xCCorner = xRCCorner.y;\n\n        // max/min x(?, ?, d) to get y(yR, yC, d).\n        // ? = to be determined\n        vec4 minMaxValue = vec4("+g+");\n        float avgValue = 0.0;\n        count = 0.0;\n\n        for (int wR = 0; wR < "+c+";\n            wR += "+u+") {\n          int xR = xRCorner + wR;\n\n          if (xR < 0 || xR >= "+e.inHeight+") {\n            continue;\n          }\n\n          for (int wC = 0; wC < "+b+"; wC += 4) {\n            int xC = xCCorner + wC * "+l+";\n\n            vec4 values = vec4(\n              getValue(batch, xR, xC, d),\n              getValue(batch, xR, xC + "+l+", d),\n              getValue(batch, xR, xC + 2 * "+l+", d),\n              getValue(batch, xR, xC + 3 * "+l+", d)\n            );\n\n            "+w+"\n          }\n\n          int xC = xCCorner + "+b+";\n          if ("+(1===x)+") {\n            vec4 values = vec4(\n              getValue(batch, xR, xC, d),\n              initializationValue,\n              initializationValue,\n              initializationValue\n            );\n\n            "+w+"\n          } else if ("+(2===x)+") {\n            vec4 values = vec4(\n              getValue(batch, xR, xC, d),\n              getValue(batch, xR, xC + "+l+", d),\n              initializationValue,\n              initializationValue\n            );\n\n            "+w+"\n          } else if ("+(3===x)+") {\n            vec4 values = vec4(\n              getValue(batch, xR, xC, d),\n              getValue(batch, xR, xC + "+l+", d),\n              getValue(batch, xR, xC + 2 * "+l+", d),\n              initializationValue\n            );\n\n            "+w+"\n          }\n        }\n        setOutput("+y+");\n      }\n    "}},JZ=function(e,t,n,r,a){if(void 0===r&&(r=!1),void 0===a&&(a=!1),this.variableNames=["x"],"avg"===t&&n)throw new Error("Cannot compute positions for average pool.");var i=e.filterWidth,o=e.strideDepth,s=e.strideHeight,u=e.strideWidth,l=e.dilationDepth,c=e.dilationHeight,p=e.dilationWidth,h=e.effectiveFilterDepth,f=e.effectiveFilterHeight,d=e.effectiveFilterWidth,m=e.padInfo.front,v=e.padInfo.top,g=e.padInfo.left;this.outputShape=e.outShape;var y="avg"===t,b="0.0";if(y||(b="-1.0 / 1e-20"),n){this.userCode="\n        const ivec3 strides =\n            ivec3("+o+", "+s+", "+u+");\n        const ivec3 pads = ivec3("+m+", "+v+", "+g+");\n\n        void main() {\n          ivec5 coords = getOutputCoords();\n          int batch = coords.x;\n          int ch = coords.u;\n\n          ivec3 xCorner = ivec3(coords.y, coords.z, coords.w) * strides - pads;\n          int xDCorner = xCorner.x;\n          int xRCorner = xCorner.y;\n          int xCCorner = xCorner.z;\n\n          // max/min x(?, ?, ?, ch) to get y(yD, yR, yC, ch).\n          // ? = to be determined\n          float minMaxValue = 0.0;\n          float minMaxValueFound = 0.0;\n          int minMaxPosition = 0;\n\n          for (int wD = 0; wD < "+h+";\n              wD += "+l+") {\n            int xD = xDCorner + wD;\n\n            if (xD < 0 || xD >= "+e.inDepth+") {\n              continue;\n            }\n\n            for (int wR = 0; wR < "+f+";\n                wR += "+c+") {\n              int xR = xRCorner + wR;\n\n              if (xR < 0 || xR >= "+e.inHeight+") {\n                continue;\n              }\n\n              for (int wC = 0; wC < "+d+";\n                  wC += "+p+") {\n                int xC = xCCorner + wC;\n\n                if (xC < 0 || xC >= "+e.inWidth+") {\n                  continue;\n                }\n\n                float value = getX(batch, xD, xR, xC, ch);\n\n                // If a min / max value has already been found, use it. If not,\n                // use the current value.\n                float currMinMaxValue = mix(\n                    value, minMaxValue, minMaxValueFound);\n                if (value >= currMinMaxValue) {\n                  minMaxValue = value;\n                  minMaxValueFound = 1.0;\n                  minMaxPosition = "+(r?a?"(((batch * "+e.inDepth+" + xD) * "+e.inHeight+" + xR) * "+e.inWidth+" + xC) * "+e.inChannels+" + ch":"((xD * "+e.inHeight+" + xR) * "+e.inWidth+" + xC) * "+e.inChannels+" + ch":"wD * "+f+" * "+d+" +\n                      wR * "+d+" + wC")+";\n                }\n              }\n            }\n          }\n          setOutput(float(minMaxPosition));\n        }\n      "}else{var x=t+"("+t+"("+t+"(minMaxValue[0], minMaxValue[1]), minMaxValue[2]), minMaxValue[3])";"avg"===t&&(x="avgValue / count");var w=4*Math.floor(i/4),k=i%4,N="\n      if ("+y+") {\n        avgValue += dot(values, ones);\n      } else {\n        minMaxValue = max(values, minMaxValue);\n      }\n    ";this.userCode="\n      const ivec3 strides =\n        ivec3("+o+", "+s+", "+u+");\n      const ivec3 pads = ivec3("+m+", "+v+", "+g+");\n      const float initializationValue = "+b+";\n      const vec4 ones = vec4(1.0, 1.0, 1.0, 1.0);\n\n      float count = 0.0;\n\n      float getValue(int batch, int xD, int xR, int xC, int ch) {\n        if (xC < 0 || xC >= "+e.inWidth+") {\n          return initializationValue;\n        }\n        count += 1.0;\n        return getX(batch, xD, xR, xC, ch);\n      }\n\n      void main() {\n        ivec5 coords = getOutputCoords();\n        int batch = coords.x;\n        int ch = coords.u;\n\n        ivec3 xCorner = ivec3(coords.y, coords.z, coords.w) * strides - pads;\n        int xDCorner = xCorner.x;\n        int xRCorner = xCorner.y;\n        int xCCorner = xCorner.z;\n\n        // max/min x(?, ?, ?, d) to get y(yD, yR, yC, ch).\n        // ? = to be determined\n        vec4 minMaxValue = vec4("+b+");\n        float avgValue = 0.0;\n        count = 0.0;\n\n        for (int wD = 0; wD < "+h+";\n            wD += "+l+") {\n          int xD = xDCorner + wD;\n\n          if (xD < 0 || xD >= "+e.inDepth+") {\n            continue;\n          }\n\n          for (int wR = 0; wR < "+f+";\n            wR += "+c+") {\n            int xR = xRCorner + wR;\n\n            if (xR < 0 || xR >= "+e.inHeight+") {\n              continue;\n            }\n\n            for (int wC = 0; wC < "+w+"; wC += 4) {\n              int xC = xCCorner + wC * "+p+";\n\n              vec4 values = vec4(\n                getValue(batch, xD, xR, xC, ch),\n                getValue(batch, xD, xR, xC + "+p+", ch),\n                getValue(batch, xD, xR, xC + 2 * "+p+", ch),\n                getValue(batch, xD, xR, xC + 3 * "+p+", ch)\n              );\n\n              "+N+"\n            }\n\n            int xC = xCCorner + "+w+";\n            if ("+(1===k)+") {\n              vec4 values = vec4(\n                getValue(batch, xD, xR, xC, ch),\n                initializationValue,\n                initializationValue,\n                initializationValue\n              );\n\n              "+N+"\n            } else if ("+(2===k)+") {\n              vec4 values = vec4(\n                getValue(batch, xD, xR, xC, ch),\n                getValue(batch, xD, xR, xC + "+p+", ch),\n                initializationValue,\n                initializationValue\n              );\n\n              "+N+"\n            } else if ("+(3===k)+") {\n              vec4 values = vec4(\n                getValue(batch, xD, xR, xC, ch),\n                getValue(batch, xD, xR, xC + "+p+", ch),\n                getValue(batch, xD, xR, xC + 2 * "+p+", ch),\n                initializationValue\n              );\n\n              "+N+"\n            }\n          }\n          setOutput("+x+");\n        }\n      }\n    "}};var ZZ={kernelName:qg,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x;WX(a,"avgPool");var i=r.filterSize,o=r.strides,s=r.pad,u=r.dimRoundingMode;Uv(zS(o,1),(function(){return"Error in avgPool: Either strides or dilations must be 1. Got strides "+o+" and dilations '1'"}));var l=ES(a.shape,i,o,1,s,u);if(1===l.filterWidth&&1===l.filterHeight&&qv(l.inShape,l.outShape))return PJ({inputs:{x:a},backend:n});var c=new YZ(l,"avg",!1);return n.runWebGLProgram(c,[a],"float32")}};var QZ={kernelName:Xg,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.filterSize,o=r.strides,s=r.pad,u=r.dimRoundingMode,l=r.dataFormat,c=CS(a.shape,i,o,[1,1,1],s,u,l),p=new JZ(c,"avg",!1);return n.runWebGLProgram(p,[a],"float32")}},$Z=function(e){this.variableNames=["dy"],this.outputShape=e.inShape;var t=e.filterHeight,n=e.filterWidth,r=e.strideHeight,a=e.strideWidth,i=e.dilationHeight,o=e.dilationWidth,s=e.effectiveFilterHeight,u=e.effectiveFilterWidth,l=s-1-e.padInfo.top,c=u-1-e.padInfo.left,p=1/(t*n);this.userCode="\n      const ivec2 pads = ivec2("+l+", "+c+");\n      const float avgMultiplier = float("+p+");\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int d = coords[3];\n\n        ivec2 dyRCCorner = coords.yz - pads;\n        int dyRCorner = dyRCCorner.x;\n        int dyCCorner = dyRCCorner.y;\n\n        // Convolve dy(?, ?, d) with pos mask(:, :, d) to get dx(xR, xC, d).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n        for (int wR = 0; wR < "+s+";\n            wR += "+i+") {\n          float dyR = float(dyRCorner + wR) / "+r+".0;\n\n          if (dyR < 0.0 || dyR >= "+e.outHeight+".0 || fract(dyR) > 0.0) {\n            continue;\n          }\n          int idyR = int(dyR);\n\n          for (int wC = 0; wC < "+u+";\n            wC+= "+o+") {\n            float dyC = float(dyCCorner + wC) / "+a+".0;\n\n            if (dyC < 0.0 || dyC >= "+e.outWidth+".0 ||\n                fract(dyC) > 0.0) {\n              continue;\n            }\n            int idyC = int(dyC);\n\n            float dyValue = getDy(b, idyR, idyC, d);\n\n            dotProd += dyValue * avgMultiplier;\n          }\n        }\n        setOutput(dotProd);\n      }\n    "},eQ=function(e){this.variableNames=["dy"],this.outputShape=e.inShape;var t=e.filterDepth,n=e.filterHeight,r=e.filterWidth,a=e.strideDepth,i=e.strideHeight,o=e.strideWidth,s=e.dilationDepth,u=e.dilationHeight,l=e.dilationWidth,c=e.effectiveFilterDepth,p=e.effectiveFilterHeight,h=e.effectiveFilterWidth,f=c-1-e.padInfo.front,d=p-1-e.padInfo.top,m=h-1-e.padInfo.left,v=1/(t*n*r);this.userCode="\n      const ivec3 pads = ivec3("+f+", "+d+", "+m+");\n      const float avgMultiplier = float("+v+");\n\n      void main() {\n        ivec5 coords = getOutputCoords();\n        int batch = coords.x;\n        int ch = coords.u;\n\n        ivec3 dyCorner = ivec3(coords.y, coords.z, coords.w) - pads;\n        int dyDCorner = dyCorner.x;\n        int dyRCorner = dyCorner.y;\n        int dyCCorner = dyCorner.z;\n\n        // Convolve dy(?, ?, ?, d) with pos mask(:, :, :, ch) to get\n        // dx(xD, xR, xC, ch).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n\n        for (int wD = 0; wD < "+c+";\n            wD += "+s+") {\n          float dyD = float(dyDCorner + wD) / "+a+".0;\n\n          if (dyD < 0.0 || dyD >= "+e.outDepth+".0 || fract(dyD) > 0.0) {\n            continue;\n          }\n          int idyD = int(dyD);\n\n          for (int wR = 0; wR < "+p+";\n              wR += "+u+") {\n            float dyR = float(dyRCorner + wR) / "+i+".0;\n\n            if (dyR < 0.0 || dyR >= "+e.outHeight+".0 ||\n                fract(dyR) > 0.0) {\n              continue;\n            }\n            int idyR = int(dyR);\n\n            for (int wC = 0; wC < "+h+";\n                wC += "+l+") {\n              float dyC = float(dyCCorner + wC) / "+o+".0;\n\n              if (dyC < 0.0 || dyC >= "+e.outWidth+".0 ||\n                  fract(dyC) > 0.0) {\n                continue;\n              }\n              int idyC = int(dyC);\n\n              float dyValue = getDy(batch, idyD, idyR, idyC, ch);\n\n              dotProd += dyValue * avgMultiplier;\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    "};var tQ={kernelName:Yg,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.dy,i=t.input,o=r.filterSize,s=r.strides,u=r.pad,l=r.dimRoundingMode,c=CS(i.shape,o,s,[1,1,1],u,l),p=new eQ(c);return n.runWebGLProgram(p,[a],i.dtype)}};var nQ={kernelName:Kg,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.dy,i=t.input,o=i;WX([a,i],"avgPoolGrad");var s=r.filterSize,u=r.strides,l=r.pad,c=ES(o.shape,s,u,1,l),p=new $Z(c);return n.runWebGLProgram(p,[a],o.dtype)}};var rQ={kernelName:Jg,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs;return vZ({a:t.a,b:t.b,transposeA:r.transposeA,transposeB:r.transposeB,backend:n})}},aQ=function(e,t,n,r,a,i){this.outputShape=[],this.variableNames=["x","mean","variance"],wI(e,t),wI(e,n);var o="0.0";null!=r&&(wI(e,r),this.variableNames.push("offset"),o="getOffsetAtOutCoords()");var s="1.0";null!=a&&(wI(e,a),this.variableNames.push("scale"),s="getScaleAtOutCoords()"),this.outputShape=e,this.userCode="\n      void main() {\n        float x = getXAtOutCoords();\n        float mean = getMeanAtOutCoords();\n        float variance = getVarianceAtOutCoords();\n        float offset = "+o+";\n        float scale = "+s+";\n        float inv = scale * inversesqrt(variance + float("+i+"));\n        setOutput(dot(vec3(x, -mean, offset), vec3(inv, inv, 1)));\n      }\n    "},iQ=function(e,t,n,r,a,i){this.packedInputs=!0,this.packedOutput=!0,this.variableNames=["x","mean","variance"],wI(e,t),wI(e,n);var o="vec4(0.0)";null!=r&&(wI(e,r),this.variableNames.push("offset"),o="getOffsetAtOutCoords()");var s="vec4(1.0)";null!=a&&(wI(e,a),this.variableNames.push("scale"),s="getScaleAtOutCoords()"),this.outputShape=e,this.userCode="\n      void main() {\n        vec4 offset = "+o+";\n        vec4 scale = "+s+";\n\n        vec4 x = getXAtOutCoords();\n        vec4 mean = getMeanAtOutCoords();\n        vec4 variance = getVarianceAtOutCoords();\n\n        vec4 inv = scale * inversesqrt(variance + vec4("+i+"));\n\n        setOutput((x - mean) * inv + offset);\n      }\n    "},oQ={kernelName:Uy,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=t.mean,o=t.variance,s=t.offset,u=t.scale;Uv(i.shape.length===o.shape.length,(function(){return"Batch normalization gradient requires mean and variance to have equal ranks."})),Uv(null==s||i.shape.length===s.shape.length,(function(){return"Batch normalization gradient requires mean and offset to have equal ranks."})),Uv(null==u||i.shape.length===u.shape.length,(function(){return"Batch normalization gradient requires mean and scale to have equal ranks."}));var l=r.varianceEpsilon;null==l&&(l=.001);var c=[a,i,o],p=null;null!=s&&(p=s.shape,c.push(s));var h=null;null!=u&&(h=u.shape,c.push(u));var f=Rg().getBool("WEBGL_PACK_NORMALIZATION")?new iQ(a.shape,i.shape,o.shape,p,h,l):new aQ(a.shape,i.shape,o.shape,p,h,l);return n.runWebGLProgram(f,c,c[0].dtype)}},sQ=function(e){this.variableNames=["source"],this.outputShape=e,this.rank=e.length;var t=aY(this.rank);this.customUniforms=[{name:"start",arrayIndex:this.rank,type:"int"}];var n,r=function(e){if(1===e)return"sourceLoc";if(e<=6)return uQ.slice(0,e).map((function(e){return"sourceLoc."+e})).join(",");throw Error("Slicing for rank "+e+" is not yet supported")}(this.rank);n="\n        "+t+" sourceLoc;\n        "+t+" coords = getOutputCoords();\n        "+e.map((function(e,t){return"sourceLoc."+uQ[t]+" = start["+t+"] + coords."+uQ[t]+";"})).join("\n")+"\n      ",this.userCode="\n      void main() {\n        "+n+"\n        setOutput(getSource("+r+"));\n      }\n    "},uQ=["x","y","z","w","u","v"];var lQ=function(e){this.variableNames=["source"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=e,this.rank=e.length,this.customUniforms=[{name:"start",arrayIndex:this.rank,type:"int"}];var t=aY(this.rank),n=bJ("coords",this.rank),r=bJ("sourceLoc",this.rank),a=1===this.rank?"sourceLoc":"vec2("+r.slice(-2).join()+")",i="getChannel(getSource("+r.join()+"), "+a+")",o="\n      result.x = "+i+";\n      if (++"+n[this.rank-1]+" < "+e[this.rank-1]+") {\n        ++"+r[this.rank-1]+";\n        result.y = "+i+";\n        --"+r[this.rank-1]+";\n      }\n    ",s=1===this.rank?"":"\n      --"+n[this.rank-1]+";\n      if (++"+n[this.rank-2]+" < "+e[this.rank-2]+") {\n        ++"+r[this.rank-2]+";\n        result.z = "+i+";\n        if (++"+n[this.rank-1]+" < "+e[this.rank-1]+") {\n          ++"+r[this.rank-1]+";\n          result.w = "+i+";\n        }\n      }\n    ",u=this.rank<=4?"sourceLoc = coords +\n            "+t+"("+e.map((function(e,t){return"start["+t+"]"})).join()+");":e.map((function(e,t){return r[t]+" = "+n[t]+" + start["+t+"];"})).join("\n");this.userCode="\n      void main() {\n        "+t+" coords = getOutputCoords();\n        "+t+" sourceLoc;\n        "+u+"\n        vec4 result = vec4(0.);\n        "+o+"\n        "+s+"\n        setOutput(result);\n      }\n    "};function cQ(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=YI(a,r.begin,r.size),o=i[0],s=i[1];if(zI(a,o,s),0===Hv(s))return n.makeTensorInfo(s,a.dtype,[]);if(n.shouldExecuteOnCPU([a])||"string"===a.dtype){var u=n.texData.get(a.dataId),l=aJ(u.values,o,s,a.shape,a.dtype);return n.makeTensorInfo(s,a.dtype,l)}var c=n.texData.get(a.dataId).isPacked,p=KI(a.shape,o,s);if(c||!p){var h=Rg().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new lQ(s):new sQ(s),f=[o];return n.runWebGLProgram(h,[a],a.dtype,f)}return n.uploadToGPU(a.dataId),function(e,t,n,r){var a=r.texData.get(e.dataId),i=r.makeTensorInfo(n,e.dtype),o=r.texData.get(i.dataId);Object.assign(o,a),o.refCount=1,o.shape=n,o.dtype=e.dtype;var s=XI(t,dg(e.shape));a.slice&&(s+=a.slice.flatOffset),o.slice={flatOffset:s,origDataId:a.slice&&a.slice.origDataId||e.dataId};var u=r.dataRefCount.get(o.slice.origDataId)||1;return r.dataRefCount.set(o.slice.origDataId,u+1),i}(a,o,s,n)}var pQ={kernelName:$b,backendName:"webgl",kernelFunc:cQ},hQ={kernelName:Zg,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.blockShape,o=r.crops;Uv(a.shape.length<=4,(function(){return"batchToSpaceND for rank > 4 with a WebGL backend not implemented yet"}));var s=i.reduce((function(e,t){return e*t})),u=n_(a.shape,i,s),l=r_(u.length,i.length),c=a_(a.shape,i,s),p=i_(o,i.length),h=o_(c,o,i.length),f=[],d=aZ({inputs:{x:a},backend:n,attrs:{shape:u}}),m=dZ({inputs:{x:d},backend:n,attrs:{perm:l}}),v=aZ({inputs:{x:m},backend:n,attrs:{shape:c}}),g=cQ({inputs:{x:v},backend:n,attrs:{begin:p,size:h}});return f.push(d),f.push(m),f.push(v),f.forEach((function(e){return n.disposeIntermediateTensorInfo(e)})),g}};var fQ={kernelName:Qg,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=t.weights,o=r.size,s=n.readSync(a.dataId),u=n.readSync(i.dataId),l=AY(s,u,i.dtype,i.shape,o);return n.makeTensorInfo([o],i.dtype,l)}};var dQ={kernelName:ey,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=t.s0,a=t.s1,i=n.readSync(r.dataId),o=n.readSync(a.dataId),s=wI(Array.from(i),Array.from(o));return n.makeTensorInfo([s.length],"int32",Int32Array.from(s))}},mQ=YJ({opSnippet:"return float(a != b);",cpuKernelImpl:ZY,dtype:"bool"}),vQ={kernelName:Sb,backendName:"webgl",kernelFunc:mQ};function gQ(e){var t=e.inputs,n=e.backend,r=t.input;return PJ({inputs:{x:n.texData.get(r.dataId).complexTensorInfos.real},backend:n})}var yQ={kernelName:zb,backendName:"webgl",kernelFunc:gQ};var bQ={kernelName:ty,backendName:"webgl",kernelFunc:function e(t){var n=t.inputs,r=t.backend,a=t.attrs,i=n.x,o=a.dtype;if("complex64"===o){if("complex64"===i.dtype)return PJ({inputs:{x:i},backend:r});var s=LE(i.shape),u=e({inputs:{x:i},backend:r,attrs:{dtype:"float32"}}),l=WJ({inputs:{real:u,imag:s},backend:r});return s.dispose(),r.disposeIntermediateTensorInfo(u),l}if("complex64"===i.dtype){var c=gQ({inputs:{input:i},backend:r}),p=e({inputs:{x:c},backend:r,attrs:{dtype:o}});return r.disposeIntermediateTensorInfo(c),p}if(!ag(i.dtype,o)){var h=PJ({inputs:{x:i},backend:r});return{dataId:h.dataId,shape:h.shape,dtype:o}}if("int32"===o)return function(e,t){var n=new TJ(e.shape,"return float(int(x));"),r=t.runWebGLProgram(n,[e],"int32");return{dataId:r.dataId,shape:r.shape,dtype:r.dtype}}(i,r);if("bool"===o){var f=r.makeTensorInfo([],"bool",eg("bool",1)),d=mQ({inputs:{a:i,b:f},backend:r});return r.disposeIntermediateTensorInfo(f),d}throw new Error("Error in Cast: failed to cast "+i.dtype+" to "+o)}},xQ="return ceil(x);",wQ=XJ({opSnippet:xQ,packedOpSnippet:xQ,cpuKernelImpl:FY}),kQ={kernelName:ny,backendName:"webgl",kernelFunc:wQ},NQ=function(e){this.variableNames=["A"],this.customUniforms=[{name:"minVal",type:"float"},{name:"maxVal",type:"float"}],this.outputShape=e,this.userCode="\n\n      void main() {\n        float value = getAAtOutCoords();\n        if (isnan(value)) {\n          setOutput(value);\n          return;\n        }\n\n        setOutput(clamp(value, minVal, maxVal));\n      }\n    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underflow-safe\n        // (at least not on Intel GPUs). So the safe solution is\n        // to ensure underflow-safety in all cases.\n        setOutput(\n          mx == 0.0 ? 0.0 : mx * length(vec2(1, min(re, im)/mx))\n        );\n      }\n    "};function EQ(e,t){return{dataId:t.dataId,dtype:t.dtype,shape:e.shape}}var CQ={kernelName:iy,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=t.x,a=n.texData.get(r.dataId),i=new TQ(r.shape),o=[EQ(r,a.complexTensorInfos.real),EQ(r,a.complexTensorInfos.imag)];return n.runWebGLProgram(i,o,o[0].dtype)}},RQ=function(e){this.outputShape=[],this.outputShape=$A(e,1),this.variableNames=e.map((function(e,t){return"T"+t}));var t=new Array(e.length-1);t[0]=e[0][1];for(var n=1;n<t.length;n++)t[n]=t[n-1]+e[n][1];for(var r=["if (yC < "+t[0]+") setOutput(getT0(yR, yC));"],a=1;a<t.length;a++){var i=t[a-1];r.push("else if (yC < "+t[a]+") setOutput(getT"+a+"(yR, yC-"+i+"));")}var o=t.length,s=t[t.length-1];r.push("else setOutput(getT"+o+"(yR, yC-"+s+"));"),this.userCode="\n      void main() {\n        ivec2 coords = getOutputCoords();\n        int yR = coords.x;\n        int yC = coords.y;\n\n        "+r.join("\n        ")+"\n      }\n    "},AQ=function(e,t){this.packedInputs=!0,this.packedOutput=!0,this.outputShape=[],this.outputShape=$A(e,t);var n=this.outputShape,r=n.length,a=aY(r),i=bJ("coords",r),o=["x","y","z","w","u","v"].slice(0,r);this.variableNames=e.map((function(e,t){return"T"+t}));var s=new Array(e.length-1);s[0]=e[0][t];for(var u=1;u<s.length;u++)s[u]=s[u-1]+e[u][t];for(var l=o[t],c=o.slice(-2),p=o.join(),h="if ("+l+" < "+s[0]+") {\n        return getChannel(\n            getT0("+p+"), vec2("+c.join()+"));\n        }",f=1;f<s.length;f++){var d=s[f-1];h+="\n        if ("+l+" < "+s[f]+"  && "+l+" >= "+s[f-1]+") {\n          return getChannel(\n            getT"+f+"("+_Q(o,l,d)+"),\n            vec2("+_Q(c,l,d)+"));\n        }"}var m=s.length,v=s[s.length-1];h+="\n        return getChannel(\n          getT"+m+"("+_Q(o,l,v)+"),\n          vec2("+_Q(c,l,v)+"));",this.userCode="\n      float getValue("+o.map((function(e){return"int "+e}))+") {\n        "+h+"\n      }\n\n      void main() {\n        "+a+" coords = getOutputCoords();\n        vec4 result = vec4(getValue("+i+"), 0., 0., 0.);\n\n        "+i[r-1]+" = "+i[r-1]+" + 1;\n        if ("+i[r-1]+" < "+n[r-1]+") {\n          result.g = getValue("+i+");\n        }\n\n        "+i[r-2]+" = "+i[r-2]+" + 1;\n        if ("+i[r-2]+" < "+n[r-2]+") {\n          result.a = getValue("+i+");\n        }\n\n        "+i[r-1]+" = "+i[r-1]+" - 1;\n        if ("+i[r-2]+" < "+n[r-2]+" &&\n            "+i[r-1]+" < "+n[r-1]+") {\n          result.b = getValue("+i+");\n        }\n        setOutput(result);\n      }\n    "};function _Q(e,t,n){var r=e.indexOf(t);return e.map((function(e,t){return t===r?e+" - "+n:e})).join()}function FQ(e){var t=e.inputs,n=e.backend,r=t.input;return PJ({inputs:{x:n.texData.get(r.dataId).complexTensorInfos.imag},backend:n})}var DQ={kernelName:Xy,backendName:"webgl",kernelFunc:FQ};function OQ(e,t,n){var r=e[0].dtype;if("complex64"===r){var a=e.map((function(e){return gQ({inputs:{input:e},backend:n})})),i=e.map((function(e){return FQ({inputs:{input:e},backend:n})})),o=OQ(a,t,n),s=OQ(i,t,n),u=WJ({inputs:{real:o,imag:s},backend:n});return a.forEach((function(e){return n.disposeIntermediateTensorInfo(e)})),i.forEach((function(e){return n.disposeIntermediateTensorInfo(e)})),n.disposeIntermediateTensorInfo(o),n.disposeIntermediateTensorInfo(s),u}var l=n.shouldExecuteOnCPU(e);if("string"===r&&(l=!0),l){var c=e.map((function(e){var r=Hv(e.shape.slice(t));return aZ({inputs:{x:e},backend:n,attrs:{shape:[-1,r]}})})),p=c.map((function(e){return{vals:n.readSync(e.dataId),shape:e.shape}})),h=$A(c.map((function(e){return e.shape})),1),f=1===c[0].shape[0],d=DY(p,h,r,f),m=$A(e.map((function(e){return e.shape})),t),v=n.makeTensorInfo(m,r,d);return c.forEach((function(e){return n.disposeIntermediateTensorInfo(e)})),v}if(e.length>Rg().getNumber("WEBGL_MAX_TEXTURES_IN_SHADER")){var g=Math.floor(e.length/2),y=OQ(e.slice(0,g),t,n),b=OQ(e.slice(g),t,n),x=OQ([y,b],t,n);return n.disposeIntermediateTensorInfo(y),n.disposeIntermediateTensorInfo(b),x}if(Rg().getBool("WEBGL_PACK_ARRAY_OPERATIONS")&&e[0].shape.length>1){var w=new AQ(e.map((function(e){return e.shape})),t);return n.runWebGLProgram(w,e,r)}var k=function(e,t,n){var r=$A(e.map((function(e){return e.shape})),t);return{tensors2D:e.map((function(e){return aZ({inputs:{x:e},attrs:{shape:[-1,Hv(e.shape.slice(t))]},backend:n})})),outShape:r}}(e,t,n),N=k.tensors2D,I=k.outShape,S=new RQ(N.map((function(e){return e.shape}))),T=n.runWebGLProgram(S,N,r);N.forEach((function(e){return n.disposeIntermediateTensorInfo(e)}));var E=aZ({inputs:{x:T},attrs:{shape:I},backend:n});return n.disposeIntermediateTensorInfo(T),E}function MQ(e){var t=e.inputs,n=e.backend,r=Qv(e.attrs.axis,t[0].shape)[0],a=$A(t.map((function(e){return e.shape})),r);if(0===Hv(a))return n.makeTensorInfo(a,t[0].dtype,[]);var i=t.filter((function(e){return Hv(e.shape)>0}));return 1===i.length?PJ({inputs:{x:i[0]},backend:n}):(QA(i.map((function(e){return e.shape})),r),OQ(i,r,n))}var LQ={kernelName:oy,backendName:"webgl",kernelFunc:MQ},zQ=function(e,t,n,r,a){void 0===t&&(t=!1),void 0===n&&(n=null),void 0===r&&(r=!1),void 0===a&&(a=!1),this.variableNames=["x","W"],this.outputShape=e.outShape;var i=e.padInfo.top,o=e.padInfo.left,s=e.strideHeight,u=e.strideWidth,l=e.dilationHeight,c=e.dilationWidth,p=e.filterHeight,h=e.filterWidth,f=4*Math.floor(e.inChannels/4),d=e.inChannels%4,m="channelsLast"===e.dataFormat,v=m?1:2,g=m?2:3,y=m?3:1,b="",x="";n&&(b=r?"float activation(float a) {\n          float b = getPreluActivationWeightsAtOutCoords();\n          "+n+"\n        }":a?"float activation(float a) {\n          float b = getLeakyreluAlphaAtOutCoords();\n          "+n+"\n        }":"\n          float activation(float x) {\n            "+n+"\n          }\n        ",x="result = activation(result);");var w=t?"result += getBiasAtOutCoords();":"";t&&this.variableNames.push("bias"),r&&this.variableNames.push("preluActivationWeights"),a&&this.variableNames.push("leakyreluAlpha"),this.userCode="\n      "+b+"\n\n      const ivec2 strides = ivec2("+s+", "+u+");\n      const ivec2 pads = ivec2("+i+", "+o+");\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int batch = coords[0];\n        int d2 = coords["+y+"];\n\n        ivec2 xRCCorner =\n            ivec2(coords["+v+"], coords["+g+"]) * strides - pads;\n        int xRCorner = xRCCorner.x;\n        int xCCorner = xRCCorner.y;\n\n        // Convolve x(?, ?, d1) with w(:, :, d1, d2) to get y(yR, yC, d2).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n        for (int wR = 0; wR < "+p+"; wR++) {\n          int xR = xRCorner + wR * "+l+";\n\n          if (xR < 0 || xR >= "+e.inHeight+") {\n            continue;\n          }\n\n          for (int wC = 0; wC < "+h+"; wC++) {\n            int xC = xCCorner + wC * "+c+";\n\n            if (xC < 0 || xC >= "+e.inWidth+") {\n              continue;\n            }\n\n            for (int d1 = 0; d1 < "+f+"; d1 += 4) {\n              vec4 wValues = vec4(\n                getW(wR, wC, d1, d2),\n                getW(wR, wC, d1 + 1, d2),\n                getW(wR, wC, d1 + 2, d2),\n                getW(wR, wC, d1 + 3, d2)\n              );\n\n              if ("+m+") {\n                vec4 xValues = vec4(\n                  getX(batch, xR, xC, d1),\n                  getX(batch, xR, xC, d1 + 1),\n                  getX(batch, xR, xC, d1 + 2),\n                  getX(batch, xR, xC, d1 + 3)\n                );\n                dotProd += dot(xValues, wValues);\n              } else {\n                vec4 xValues = vec4(\n                  getX(batch, d1, xR, xC),\n                  getX(batch, d1 + 1, xR, xC),\n                  getX(batch, d1 + 2, xR, xC),\n                  getX(batch, d1 + 3, xR, xC)\n                );\n                dotProd += dot(xValues, wValues);\n              }\n            }\n\n            if ("+(1===d)+") {\n\n              if ("+m+") {\n                dotProd +=\n                    getX(batch, xR, xC, "+f+") *\n                    getW(wR, wC, "+f+", d2);\n              } else {\n                dotProd +=\n                    getX(batch, "+f+", xR, xC) *\n                    getW(wR, wC, "+f+", d2);\n              }\n\n            } else if ("+(2===d)+") {\n              vec2 wValues = vec2(\n                getW(wR, wC, "+f+", d2),\n                getW(wR, wC, "+f+" + 1, d2)\n              );\n\n              if ("+m+") {\n                vec2 xValues = vec2(\n                  getX(batch, xR, xC, "+f+"),\n                  getX(batch, xR, xC, "+f+" + 1)\n                );\n                dotProd += dot(xValues, wValues);\n              } else {\n                vec2 xValues = vec2(\n                  getX(batch, "+f+", xR, xC),\n                  getX(batch, "+f+" + 1, xR, xC)\n                );\n                dotProd += dot(xValues, wValues);\n              }\n\n            } else if ("+(3===d)+") {\n              vec3 wValues = vec3(\n                getW(wR, wC, "+f+", d2),\n                getW(wR, wC, "+f+" + 1, d2),\n                getW(wR, wC, "+f+" + 2, d2)\n              );\n\n              if ("+m+") {\n                vec3 xValues = vec3(\n                  getX(batch, xR, xC, "+f+"),\n                  getX(batch, xR, xC, "+f+" + 1),\n                  getX(batch, xR, xC, "+f+" + 2)\n                );\n                dotProd += dot(xValues, wValues);\n              } else {\n                vec3 xValues = vec3(\n                  getX(batch, "+f+", xR, xC),\n                  getX(batch, "+f+" + 1, xR, xC),\n                  getX(batch, "+f+" + 2, xR, xC)\n                );\n                dotProd += dot(xValues, wValues);\n              }\n\n            }\n          }\n        }\n\n        float result = dotProd;\n        "+w+"\n        "+x+"\n        setOutput(result);\n      }\n    "},PQ=function(e){this.variableNames=["x","W"],this.outputShape=e.outShape;var t=e.padInfo.front,n=e.padInfo.top,r=e.padInfo.left,a=e.strideDepth,i=e.strideHeight,o=e.strideWidth,s=e.dilationDepth,u=e.dilationHeight,l=e.dilationWidth,c=e.filterDepth,p=e.filterHeight,h=e.filterWidth,f=4*Math.floor(e.inChannels/4),d=e.inChannels%4;this.userCode="\n      const ivec3 strides = ivec3("+a+", "+i+", "+o+");\n      const ivec3 pads = ivec3("+t+", "+n+", "+r+");\n\n      void main() {\n        ivec5 coords = getOutputCoords();\n        int batch = coords.x;\n        int d2 = coords.u;\n\n        ivec3 xFRCCorner = ivec3(coords.y, coords.z, coords.w) * strides - pads;\n        int xFCorner = xFRCCorner.x;\n        int xRCorner = xFRCCorner.y;\n        int xCCorner = xFRCCorner.z;\n\n        // Convolve x(?, ?, ?, d1) with w(:, :, :, d1, d2) to get\n        // y(yF, yR, yC, d2). ? = to be determined. : = across all\n        // values in that axis.\n        float dotProd = 0.0;\n        for (int wF = 0; wF < "+c+"; wF++) {\n          int xF = xFCorner + wF * "+s+";\n\n          if (xF < 0 || xF >= "+e.inDepth+") {\n            continue;\n          }\n\n          for (int wR = 0; wR < "+p+"; wR++) {\n            int xR = xRCorner + wR * "+u+";\n\n            if (xR < 0 || xR >= "+e.inHeight+") {\n              continue;\n            }\n\n            for (int wC = 0; wC < "+h+"; wC++) {\n              int xC = xCCorner + wC * "+l+";\n\n              if (xC < 0 || xC >= "+e.inWidth+") {\n                continue;\n              }\n\n              for (int d1 = 0; d1 < "+f+"; d1 += 4) {\n                vec4 xValues = vec4(\n                  getX(batch, xF, xR, xC, d1),\n                  getX(batch, xF, xR, xC, d1 + 1),\n                  getX(batch, xF, xR, xC, d1 + 2),\n                  getX(batch, xF, xR, xC, d1 + 3)\n                );\n                vec4 wValues = vec4(\n                  getW(wF, wR, wC, d1, d2),\n                  getW(wF, wR, wC, d1 + 1, d2),\n                  getW(wF, wR, wC, d1 + 2, d2),\n                  getW(wF, wR, wC, d1 + 3, d2)\n                );\n\n                dotProd += dot(xValues, wValues);\n              }\n\n              if ("+(1===d)+") {\n                dotProd +=\n                  getX(batch, xF, xR, xC, "+f+") *\n                  getW(wF, wR, wC, "+f+", d2);\n              } else if ("+(2===d)+") {\n                vec2 xValues = vec2(\n                  getX(batch, xF, xR, xC, "+f+"),\n                  getX(batch, xF, xR, xC, "+f+" + 1)\n                );\n                vec2 wValues = vec2(\n                  getW(wF, wR, wC, "+f+", d2),\n                  getW(wF, wR, wC, "+f+" + 1, d2)\n                );\n                dotProd += dot(xValues, wValues);\n              } else if ("+(3===d)+") {\n                vec3 xValues = vec3(\n                  getX(batch, xF, xR, xC, "+f+"),\n                  getX(batch, xF, xR, xC, "+f+" + 1),\n                  getX(batch, xF, xR, xC, "+f+" + 2)\n                );\n                vec3 wValues = vec3(\n                  getW(wF, wR, wC, "+f+", d2),\n                  getW(wF, wR, wC, "+f+" + 1, d2),\n                  getW(wF, wR, wC, "+f+" + 2, d2)\n                );\n                dotProd += dot(xValues, wValues);\n              }\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    "},BQ=function(e,t){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.customUniforms=[{name:"inputShape",type:"ivec3"},{name:"pad",type:"ivec2"},{name:"stride",type:"ivec2"},{name:"dilation",type:"ivec2"},{name:"inChannels",type:"int"},{name:"itemsPerBlockRow",type:"int"},{name:"outWidth",type:"int"}],this.outputShape=e,this.enableShapeUniforms=pY(this.outputShape.length);for(var n=t.dataFormat,r=VX(),a="channelsLast"===n,i=a?0:1,o=a?1:2,s=this.enableShapeUniforms?"if(blockIndex < outShape[1] && pos < outShape[0]) {":"if(blockIndex < "+e[1]+" && pos < "+e[0]+") {",u="",l=0;l<=1;l++)for(var c=0;c<=1;c++)u+="\n          blockIndex = rc.y + "+c+";\n          pos = rc.x + "+l+";\n\n          "+s+"\n            offsetY = int(blockIndex / outWidth) * stride[0] - pad[0];\n            d0 = offsetY + dilation[0] * (pos / itemsPerBlockRow);\n\n            if(d0 < inputShape["+i+"] && d0 >= 0) {\n              // Use custom imod instead mod. On Intel GPU, mod may generate\n              // unexpected value.\n              // https://github.com/tensorflow/tfjs/issues/5447\n              offsetX = imod(blockIndex, outWidth) * stride[1] - pad[1];\n              d1 = offsetX + dilation[1] * (imod(pos, itemsPerBlockRow) /\n                  inChannels);\n\n              if(d1 < inputShape["+o+"] && d1 >= 0) {\n\n                ch = imod(pos, inChannels);\n\n                if ("+a+") {\n                  innerDims = vec2(d1, ch);\n                  result["+(2*l+c)+"] = getChannel(\n                    getA(d0, int(innerDims.x),\n                    int(innerDims.y)), innerDims);\n                } else {\n                  innerDims = vec2(d0, d1);\n                  result["+(2*l+c)+"] = getChannel(\n                    getA(ch, int(innerDims.x),\n                    int(innerDims.y)), innerDims);\n                }\n              }\n            }\n          }\n        ";this.userCode="\n      void main() {\n        ivec2 rc = getOutputCoords();\n\n        vec4 result = vec4(0);\n\n        int blockIndex, pos, offsetY, d0, offsetX, d1, ch;\n        vec2 innerDims;\n\n        "+u+"\n\n        "+r.output+" = result;\n      }\n    "};function WQ(e){var t,n=e.x,r=e.filter,a=e.convInfo,i=e.backend,o=e.bias,s=void 0===o?null:o,u=e.preluActivationWeights,l=void 0===u?null:u,c=e.leakyreluAlpha,p=void 0===c?0:c,h=e.activation,f=void 0===h?null:h,d=n.shape,m=i.texData.get(n.dataId),v=a.inChannels,g=d[0]*d[1]*d[2],y=a.outChannels,b="channelsLast"===a.dataFormat,x=[];if(null!=l&&!b&&3===l.shape.length){var w=dZ({inputs:{x:l},backend:i,attrs:{perm:[1,2,0]}});x.push(w),l=w}if(!((1===g||1===y)&&v>1e3)&&m.isPacked&&b&&null!=m.texture&&d[2]%2!=0&&qv(m.shape.slice(-3),d.slice(-3))){var k=d[0]*d[1]*(d[2]+1),N={dataId:n.dataId,shape:[1,k,a.inChannels],dtype:n.dtype},I=m.shape;m.shape=m.shape.slice(),m.shape[m.shape.length-2]++,Uv(MX(m.shape,N.shape),(function(){return"packed reshape "+m.shape+" to "+N.shape+" isn't free"}));var S=aZ({inputs:{x:r},backend:i,attrs:{shape:[1,a.inChannels,a.outChannels]}});x.push(S);var T=vZ({a:N,b:S,backend:i,transposeA:false,transposeB:false,bias:s,activation:f,preluActivationWeights:l,leakyreluAlpha:p}),E=i.texData.get(T.dataId);Uv(E.isPacked,(function(){return"batchMatMul result is expected to be packed"})),m.shape=I,E.shape=a.outShape,(t=PJ({inputs:{x:T},backend:i})).shape=a.outShape,x.push(T)}else{var C=b?n:dZ({inputs:{x:n},backend:i,attrs:{perm:[0,2,3,1]}}),R=C.shape,A=aZ({inputs:{x:C},backend:i,attrs:{shape:[1,R[0]*R[1]*R[2],a.inChannels]}}),_=aZ({inputs:{x:r},backend:i,attrs:{shape:[1,a.inChannels,a.outChannels]}}),F=vZ({a:A,b:_,transposeA:false,transposeB:false,backend:i,bias:s,activation:f,preluActivationWeights:l,leakyreluAlpha:p}),D=aZ({inputs:{x:F},backend:i,attrs:{shape:[a.batchSize,a.outHeight,a.outWidth,a.outChannels]}});t=b?D:dZ({inputs:{x:D},backend:i,attrs:{perm:[0,3,1,2]}}),b||(x.push(C),x.push(D)),x.push(A),x.push(_),x.push(F)}for(var O=0,M=x;O<M.length;O++){var L=M[O];i.disposeIntermediateTensorInfo(L)}return t}function UQ(e){var t=e.x,n=e.filter,r=e.convInfo,a=e.backend,i=e.bias,o=void 0===i?null:i,s=e.preluActivationWeights,u=void 0===s?null:s,l=e.leakyreluAlpha,c=void 0===l?0:l,p=e.activation,h=void 0===p?null:p,f=r.filterWidth,d=r.filterHeight,m=r.inChannels,v=r.outWidth,g=r.outHeight,y="channelsLast"===r.dataFormat,b=f*d*m,x=g*v,w=[b,x],k=[];if(null!=u&&!y&&3===u.shape.length){var N=dZ({inputs:{x:u},backend:a,attrs:{perm:[1,2,0]}});k.push(N),u=N}var I=aZ({inputs:{x:t},backend:a,attrs:{shape:t.shape.slice(1)}}),S=aZ({inputs:{x:n},backend:a,attrs:{shape:[1,b,Hv(n.shape)/b]}});k.push(I),k.push(S);var T=new BQ(w,r),E=[I.shape,[r.padInfo.top,r.padInfo.left],[r.strideHeight,r.strideWidth],[r.dilationHeight,r.dilationWidth],[r.inChannels],[r.filterWidth*r.inChannels],[r.outWidth]],C=a.runWebGLProgram(T,[I],"float32",E),R=aZ({inputs:{x:C},backend:a,attrs:{shape:[1,w[0],w[1]]}});k.push(C),k.push(R);var A=null!=o,_=null!=u,F="leakyrelu"===h,D=h?JJ(h,!0):null,O=new ZJ(R.shape,S.shape,[1,x,r.outChannels],!0,!1,A,D,_,F),M=[R,S];if(o&&M.push(o),_&&M.push(u),F){var L=a.makeTensorInfo([],"float32",_w(c,"float32"));M.push(L),k.push(L)}var z=a.runWebGLProgram(O,M,"float32"),P=aZ({inputs:{x:z},backend:a,attrs:{shape:[1,g,v,r.outChannels]}}),B=y?P:dZ({inputs:{x:P},backend:a,attrs:{perm:[0,3,1,2]}});y||k.push(P),k.push(z);for(var W=0,U=k;W<U.length;W++){var V=U[W];a.disposeIntermediateTensorInfo(V)}return B}var VQ={kernelName:sy,backendName:"webgl",kernelFunc:function(e){var t,n=e.inputs,r=e.backend,a=e.attrs,i=n.x,o=n.filter,s=a.strides,u=a.pad,l=a.dataFormat,c=a.dilations,p=a.dimRoundingMode,h=PS(l),f=RS(i.shape,o.shape,s,c,u,p,!1,h);if(1!==f.filterHeight||1!==f.filterWidth||1!==f.dilationHeight||1!==f.dilationWidth||1!==f.strideHeight||1!==f.strideWidth||"SAME"!==f.padInfo.type&&"VALID"!==f.padInfo.type)if(Rg().getBool("WEBGL_CONV_IM2COL")&&1===i.shape[0])t=UQ({x:i,filter:o,convInfo:f,backend:r});else{var d=new zQ(f);t=r.runWebGLProgram(d,[i,o],"float32")}else t=WQ({x:i,filter:o,convInfo:f,backend:r});var m=aZ({inputs:{x:t},backend:r,attrs:{shape:f.outShape}});return r.disposeIntermediateTensorInfo(t),m}},GQ=function(e){this.variableNames=["x","dy"],this.outputShape=e.filterShape;var t=e.strideHeight,n=e.strideWidth,r=e.padInfo.top,a=e.padInfo.left,i="channelsLast"===e.dataFormat;this.userCode="\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int wR = coords.x;\n        int wC = coords.y;\n        int d1 = coords.z;\n        int d2 = coords.w;\n\n        // Convolve x(?, ?, d1) with dy(:, :, d2) to get dw(wR, wC, d1, d2).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n\n        for (int b = 0; b < "+e.batchSize+"; b++) {\n          for (int yR = 0; yR < "+e.outHeight+"; yR++) {\n            int xR = wR + yR * "+t+" - "+r+";\n\n            if (xR < 0 || xR >= "+e.inHeight+") {\n              continue;\n            }\n\n            for (int yC = 0; yC < "+e.outWidth+"; yC++) {\n              int xC = wC + yC * "+n+" - "+a+";\n\n              if (xC < 0 || xC >= "+e.inWidth+") {\n                continue;\n              }\n\n              if ("+i+") {\n                float dyValue = getDy(b, yR, yC, d2);\n                float xValue = getX(b, xR, xC, d1);\n                dotProd += (xValue * dyValue);\n              } else {\n                float dyValue = getDy(b, d2, yR, yC);\n                float xValue = getX(b, d1, xR, xC);\n                dotProd += (xValue * dyValue);\n              }\n\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    "},jQ=function(e){this.variableNames=["dy","W"],this.outputShape=e.inShape;var t=e.filterHeight,n=e.filterWidth,r=e.strideHeight,a=e.strideWidth,i="channelsLast"===e.dataFormat,o=t-1-e.padInfo.top,s=n-1-e.padInfo.left,u=i?1:2,l=i?2:3,c=i?3:1;this.userCode="\n      const ivec2 pads = ivec2("+o+", "+s+");\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int batch = coords[0];\n        int d1 = coords["+c+"];\n\n        ivec2 dyCorner = ivec2(coords["+u+"], coords["+l+"]) - pads;\n        int dyRCorner = dyCorner.x;\n        int dyCCorner = dyCorner.y;\n\n        // Convolve dy(?, ?, d2) with w(:, :, d1, d2) to compute dx(xR, xC, d1).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n        for (int wR = 0; wR < "+t+"; wR++) {\n          float dyR = float(dyRCorner + wR) / "+r+".0;\n\n          if (dyR < 0.0 || dyR >= "+e.outHeight+".0 || fract(dyR) > 0.0) {\n            continue;\n          }\n          int idyR = int(dyR);\n\n          int wRPerm = "+t+" - 1 - wR;\n\n          for (int wC = 0; wC < "+n+"; wC++) {\n            float dyC = float(dyCCorner + wC) / "+a+".0;\n\n            if (dyC < 0.0 || dyC >= "+e.outWidth+".0 ||\n                fract(dyC) > 0.0) {\n              continue;\n            }\n            int idyC = int(dyC);\n\n            int wCPerm = "+n+" - 1 - wC;\n\n            for (int d2 = 0; d2 < "+e.outChannels+"; d2++) {\n\n              if ("+i+") {\n                float xValue = getDy(batch, idyR, idyC, d2);\n                float wValue = getW(wRPerm, wCPerm, d1, d2);\n                dotProd += xValue * wValue;\n              } else {\n                float xValue = getDy(batch, d2, idyR, idyC);\n                float wValue = getW(wRPerm, wCPerm, d1, d2);\n                dotProd += xValue * wValue;\n              }\n\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    "},HQ=function(e){this.variableNames=["x","dy"],this.outputShape=e.filterShape;var t=e.strideDepth,n=e.strideHeight,r=e.strideWidth,a=e.padInfo.front,i=e.padInfo.top,o=e.padInfo.left;this.userCode="\n      void main() {\n        ivec5 coords = getOutputCoords();\n        int wF = coords.x;\n        int wR = coords.y;\n        int wC = coords.z;\n        int d1 = coords.w;\n        int d2 = coords.u;\n\n        float dotProd = 0.0;\n\n        for (int b = 0; b < "+e.batchSize+"; b++) {\n          for (int yF = 0; yF < "+e.outDepth+"; yF++) {\n            int xF = wF + yF * "+t+" - "+a+";\n\n            if (xF < 0 || xF >= "+e.inDepth+") {\n              continue;\n            }\n\n            for (int yR = 0; yR < "+e.outHeight+"; yR++) {\n              int xR = wR + yR * "+n+" - "+i+";\n\n              if (xR < 0 || xR >= "+e.inHeight+") {\n                continue;\n              }\n\n              for (int yC = 0; yC < "+e.outWidth+"; yC++) {\n                int xC = wC + yC * "+r+" - "+o+";\n\n                if (xC < 0 || xC >= "+e.inWidth+") {\n                  continue;\n                }\n\n                float dyValue = getDy(b, yF, yR, yC, d2);\n                float xValue = getX(b, xF, xR, xC, d1);\n                dotProd += (xValue * dyValue);\n              }\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    "},qQ=function(e){this.variableNames=["dy","W"],this.outputShape=e.inShape;var t=e.filterDepth,n=e.filterHeight,r=e.filterWidth,a=e.strideDepth,i=e.strideHeight,o=e.strideWidth,s=t-1-e.padInfo.front,u=n-1-e.padInfo.top,l=r-1-e.padInfo.left;this.userCode="\n      const ivec3 pads = ivec3("+s+", "+u+", "+l+");\n\n      void main() {\n        ivec5 coords = getOutputCoords();\n        int batch = coords.x;\n        int d1 = coords.u;\n\n\n        ivec3 dyCorner = ivec3(coords.y, coords.z, coords.w) - pads;\n        int dyFCorner = dyCorner.x;\n        int dyRCorner = dyCorner.y;\n        int dyCCorner = dyCorner.z;\n\n        float dotProd = 0.0;\n        for (int wF = 0; wF < "+t+"; wF++) {\n          float dyF = float(dyFCorner + wF) / "+a+".0;\n\n          if (dyF < 0.0 || dyF >= "+e.outDepth+".0 || fract(dyF) > 0.0) {\n            continue;\n          }\n          int idyF = int(dyF);\n\n          int wFPerm = "+t+" - 1 - wF;\n\n          for (int wR = 0; wR < "+n+"; wR++) {\n            float dyR = float(dyRCorner + wR) / "+i+".0;\n\n            if (dyR < 0.0 || dyR >= "+e.outHeight+".0 ||\n              fract(dyR) > 0.0) {\n              continue;\n            }\n            int idyR = int(dyR);\n\n            int wRPerm = "+n+" - 1 - wR;\n\n            for (int wC = 0; wC < "+r+"; wC++) {\n              float dyC = float(dyCCorner + wC) / "+o+".0;\n\n              if (dyC < 0.0 || dyC >= "+e.outWidth+".0 ||\n                  fract(dyC) > 0.0) {\n                continue;\n              }\n              int idyC = int(dyC);\n\n              int wCPerm = "+r+" - 1 - wC;\n\n              for (int d2 = 0; d2 < "+e.outChannels+"; d2++) {\n                float xValue = getDy(batch, idyF, idyR, idyC, d2);\n                float wValue = getW(wFPerm, wRPerm, wCPerm, d1, d2);\n                dotProd += xValue * wValue;\n              }\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    "};var KQ={kernelName:uy,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=t.dy,o=r.strides,s=r.pad,u=r.dataFormat,l=r.dimRoundingMode,c=r.filterShape,p=PS(u),h=RS(a.shape,c,o,1,s,l,!1,p),f=new GQ(h);return n.runWebGLProgram(f,[a,i],"float32")}};var XQ={kernelName:ly,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.dy,i=t.filter,o=r.inputShape,s=r.strides,u=r.pad,l=r.dataFormat,c=r.dimRoundingMode,p=PS(l),h=RS(o,i.shape,s,1,u,c,!1,p),f=new jQ(h);return n.runWebGLProgram(f,[a,i],"float32")}};var YQ={kernelName:cy,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=t.filter,o=r.strides,s=r.pad,u=r.dilations,l=AS(a.shape,i.shape,o,u,s),c=new PQ(l);return n.runWebGLProgram(c,[a,i],"float32")}};var JQ={kernelName:py,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=t.dy,o=r.strides,s=r.pad,u=r.filterShape,l=AS(a.shape,u,o,1,s),c=new HQ(l);return n.runWebGLProgram(c,[a,i],"float32")}};var ZQ,QQ={kernelName:hy,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.dy,i=t.filter,o=r.pad,s=r.strides,u=AS(r.inputShape,i.shape,s,1,o),l=new qQ(u);return n.runWebGLProgram(l,[a,i],"float32")}},$Q=XJ({opSnippet:"if (isnan(x)) return x;\n  return cos(x);\n"}),e$={kernelName:fy,backendName:"webgl",kernelFunc:$Q},t$=XJ({opSnippet:"\n  float e2x = exp(-x);\n  return (e2x + 1.0 / e2x) / 2.0;\n"}),n$={kernelName:dy,backendName:"webgl",kernelFunc:t$},r$=function(e,t,n,r,a){this.variableNames=["Image","Boxes","BoxInd"],this.outputShape=[];var i=e[0],o=e[1],s=e[2],u=e[3],l=t[0],c=n[0],p=n[1];this.outputShape=[l,c,p,u];var h="bilinear"===r?1:0,f=o-1+".0",d=s-1+".0",m=c>1?[""+(o-1)/(c-1),"(y2-y1) * height_ratio","y1*"+f+" + float(y)*(height_scale)"]:["0.0","0.0","0.5 * (y1+y2) * "+f],v=m[0],g=m[1],y=m[2],b=p>1?[""+(s-1)/(p-1),"(x2-x1) * width_ratio","x1*"+d+" + float(x)*(width_scale)"]:["0.0","0.0","0.5 * (x1+x2) * "+d],x=b[0],w=b[1],k=b[2];this.userCode="\n      const float height_ratio = float("+v+");\n      const float width_ratio = float("+x+");\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int y = coords[1];\n        int x = coords[2];\n        int d = coords[3];\n\n        // get box vals\n        float y1 = getBoxes(b,0);\n        float x1 = getBoxes(b,1);\n        float y2 = getBoxes(b,2);\n        float x2 = getBoxes(b,3);\n\n        // get image in batch index\n        int bInd = round(getBoxInd(b));\n        if(bInd < 0 || bInd >= "+i+") {\n          return;\n        }\n\n        float height_scale = "+g+";\n        float width_scale = "+w+";\n\n        float in_y = "+y+";\n        if( in_y < 0.0 || in_y > "+f+" ) {\n          setOutput(float("+a+"));\n          return;\n        }\n        float in_x = "+k+";\n        if( in_x < 0.0 || in_x > "+d+" ) {\n          setOutput(float("+a+"));\n          return;\n        }\n\n        vec2 sourceFracIndexCR = vec2(in_x,in_y);\n        if("+h+" == 1) {\n          // Compute the four integer indices.\n          ivec2 sourceFloorCR = ivec2(sourceFracIndexCR);\n          ivec2 sourceCeilCR = ivec2(ceil(sourceFracIndexCR));\n\n          float topLeft = getImage(b, sourceFloorCR.y, sourceFloorCR.x, d);\n          float bottomLeft = getImage(b, sourceCeilCR.y, sourceFloorCR.x, d);\n          float topRight = getImage(b, sourceFloorCR.y, sourceCeilCR.x, d);\n          float bottomRight = getImage(b, sourceCeilCR.y, sourceCeilCR.x, d);\n\n          vec2 fracCR = sourceFracIndexCR - vec2(sourceFloorCR);\n\n          float top = topLeft + (topRight - topLeft) * fracCR.x;\n          float bottom = bottomLeft + (bottomRight - bottomLeft) * fracCR.x;\n          float newValue = top + (bottom - top) * fracCR.y;\n          setOutput(newValue);\n        } else {\n          // Compute the coordinators of nearest neighbor point.\n          ivec2 sourceNearestCR = ivec2(floor(\n            sourceFracIndexCR + vec2(0.5,0.5)));\n          float newValue = getImage(b, sourceNearestCR.y, sourceNearestCR.x, d);\n          setOutput(newValue);\n        }\n      }\n    "},a$={kernelName:gy,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.image,i=t.boxes,o=t.boxInd,s=r.cropSize,u=r.method,l=r.extrapolationValue,c=new r$(a.shape,i.shape,s,u,l);return n.runWebGLProgram(c,[a,i,o],"float32")}};!function(e){e.Prod="*",e.Sum="+"}(ZQ||(ZQ={}));var i$=function(e,t,n,r){this.op=e,this.outputShape=t,this.variableNames=["x"],this.customUniforms=[{name:"index",type:"float"}];var a=this.outputShape.length,i=this.op===ZQ.Prod?"1.0":"0.0",o=n?i:"getX("+o$(a,"coords",this.op)+")",s=this.outputShape[this.outputShape.length-1],u="",l="";n?(u=r?"end != "+(s-1):"end != 0",l=r?"end + 1":"end - 1"):(u=r?"end + pow2 < "+s:"end >= pow2",l=r?"end + pow2":"end - pow2"),this.userCode="\n      void main() {\n        "+aY(a)+" coords = getOutputCoords();\n        int end = "+s$(a,"coords",this.op)+";\n        float val = "+o+";\n        int pow2 = int(pow(2.0, index));\n        if ("+u+") {\n          int idx = "+l+";\n          "+s$(a,"coords",this.op)+" = idx;\n          val "+this.op+"= getX("+o$(a,"coords",this.op)+");\n        }\n        setOutput(val);\n      }\n    "};function o$(e,t,n){if(1===e)return""+t;if(2===e)return t+".x, 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n.disposeIntermediateTensorInfo(p),n.disposeIntermediateTensorInfo(u),y}return p}var l$={kernelName:my,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.axis,o=r.exclusive,s=r.reverse;return u$(ZQ.Prod,a,n,i,o,s)}};var c$={kernelName:vy,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.axis,o=r.exclusive,s=r.reverse;return u$(ZQ.Sum,a,n,i,o,s)}};var p$={kernelName:yy,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=t.weights,o=r.size,s=r.binaryOutput;if(1===a.shape.length){var u=n.readSync(a.dataId),l=n.readSync(i.dataId),c=AY(u,l,i.dtype,i.shape,o);return n.makeTensorInfo([o],i.dtype,c)}if(2===a.shape.length){var p=n.bufferSync(a),h=n.bufferSync(i),f=_Y(p,h,o,s);return n.makeTensorInfo(f.shape,i.dtype,f.values)}throw new Error("Error in denseBincount: input must be at most rank 2, but got rank"+a.shape.length+".")}},h$=function(){function e(e,t,n){this.variableNames=["x"],this.outputShape=[],this.outputShape=e,this.blockSize=t,this.dataFormat=n,this.userCode="\n    void main() {\n      ivec4 coords = getOutputCoords();\n      int b = coords[0];\n      int h = "+this.getHeightCoordString()+";\n      int w = "+this.getWidthCoordString()+";\n      int d = "+this.getDepthCoordString()+";\n\n      int in_h = h / "+t+";\n      int offset_h = imod(h, "+t+");\n      int in_w = w / "+t+";\n      int offset_w = imod(w, "+t+");\n      int offset_d = (offset_h * "+t+" + offset_w) *\n        "+this.getOutputDepthSize()+";\n      int in_d = d + offset_d;\n\n      float result = "+this.getInputSamplingString()+";\n      setOutput(result);\n    }\n  "}var t=e.prototype;return t.getHeightCoordString=function(){return"NHWC"===this.dataFormat?"coords[1]":"coords[2]"},t.getWidthCoordString=function(){return"NHWC"===this.dataFormat?"coords[2]":"coords[3]"},t.getDepthCoordString=function(){return"NHWC"===this.dataFormat?"coords[3]":"coords[1]"},t.getOutputDepthSize=function(){return"NHWC"===this.dataFormat?this.outputShape[3]:this.outputShape[1]},t.getInputSamplingString=function(){return"NHWC"===this.dataFormat?"getX(b, in_h, in_w, in_d)":"getX(b, in_d, in_h, in_w)"},e}();var f$={kernelName:by,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.blockSize,o=r.dataFormat,s=a.shape[0],u=("NHWC"===o?a.shape[1]:a.shape[2])*i,l=("NHWC"===o?a.shape[2]:a.shape[3])*i,c=("NHWC"===o?a.shape[3]:a.shape[1])/(i*i),p=new h$("NHWC"===o?[s,u,l,c]:[s,c,u,l],i,o);return n.runWebGLProgram(p,[a],a.dtype)}},d$=function(e,t,n,r,a){void 0===t&&(t=!1),void 0===n&&(n=null),void 0===r&&(r=!1),void 0===a&&(a=!1),this.variableNames=["x","W"],this.customUniforms=[{name:"pads",type:"ivec2"},{name:"strides",type:"ivec2"},{name:"dilations",type:"ivec2"},{name:"inDims",type:"ivec2"}],this.outputShape=e.outShape,this.enableShapeUniforms=pY(this.outputShape.length);var i=e.filterHeight,o=e.filterWidth,s=e.outChannels/e.inChannels,u="",l="";n&&(u=r?"float activation(float a) {\n          float b = getPreluActivationWeightsAtOutCoords();\n          "+n+"\n        }":a?"float activation(float a) {\n          float b = getLeakyreluAlphaAtOutCoords();\n          "+n+"\n        }":"\n          float activation(float x) {\n            "+n+"\n          }\n        ",l="result = activation(result);");var c=t?"result += getBiasAtOutCoords();":"";t&&this.variableNames.push("bias"),r&&this.variableNames.push("preluActivationWeights"),a&&this.variableNames.push("leakyreluAlpha"),this.userCode="\n      "+u+"\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int batch = coords.x;\n        ivec2 xRCCorner = coords.yz * strides - pads;\n        int d2 = coords.w;\n        int d1 = d2 / "+s+";\n        int q = d2 - d1 * "+s+";\n\n        int xRCorner = xRCCorner.x;\n        int xCCorner = xRCCorner.y;\n\n        // Convolve x(?, ?, d1) with w(:, :, d1, q) to get y(yR, yC, d2).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n        // TO DO(dsmilkov): Flatten the two for loops and vec4 the operations.\n        for (int wR = 0; wR < "+i+"; wR++) {\n          int xR = xRCorner + wR * dilations[0];\n\n          if (xR < 0 || xR >= inDims[0]) {\n            continue;\n          }\n\n          for (int wC = 0; wC < "+o+"; wC++) {\n            int xC = xCCorner + wC * dilations[1];\n\n            if (xC < 0 || xC >= inDims[1]) {\n              continue;\n            }\n\n            float xVal = getX(batch, xR, xC, d1);\n            float wVal = getW(wR, wC, d1, q);\n            dotProd += xVal * wVal;\n          }\n        }\n\n        float result = dotProd;\n        "+c+"\n        "+l+"\n        setOutput(result);\n      }\n    "},m$=function(e,t,n,r,a){void 0===t&&(t=!1),void 0===n&&(n=null),void 0===r&&(r=!1),void 0===a&&(a=!1),this.variableNames=["x","W"],this.packedInputs=!0,this.packedOutput=!0,this.customUniforms=[{name:"pads",type:"ivec2"},{name:"strides",type:"ivec2"},{name:"dilations",type:"ivec2"},{name:"inDims",type:"ivec2"}],this.outputShape=e.outShape,this.enableShapeUniforms=pY(this.outputShape.length);for(var i=e.outChannels/e.inChannels,o=e.padInfo.left,s=e.strideWidth,u=e.dilationWidth,l=e.filterHeight,c=e.filterWidth,p=c,h="\n      int xR; int xC; int xCOffset;\n      vec4 wTexel; vec4 previous; vec4 final;",f=0;f<c;f++)h+="\n          vec4 xTexelC"+2*f+";\n          int xTexelC"+2*f+"Ready;\n          vec4 xTexelC"+(2*f+1)+";\n          int xTexelC"+(2*f+1)+"Ready;\n          vec4 xC"+f+";";h+="\n    for (int r = 0; r < "+l+"; r++) {\n      ";for(var d=0;d<c;d++)h+="\n          xTexelC"+2*d+" = vec4(0.0);\n          xTexelC"+2*d+"Ready = 0;\n          xTexelC"+(2*d+1)+" = vec4(0.0);\n          xTexelC"+(2*d+1)+"Ready = 0;\n          xC"+d+" = vec4(0.0);";h+="\n        xR = xRCorner + r * dilations[0];\n        if (xR >=0 && xR < inDims[0]) {\n      ";for(var m=0;m<(p+1)/2;m++){var v=2*m;if(h+="\n          xC = xCCorner + "+v*u+";\n          ",1===s){if(v<c&&(o%2==1?(h+="\n                xCOffset = xC + 1;\n                if (xCOffset >= 0 && xCOffset < inDims[1] && xTexelC"+v+"Ready == 0) {\n                  xTexelC"+v+" = getX(batch, xR, xCOffset, d1);\n\n                  // Need to manually clear unused channels in case\n                  // we're reading from recycled texture.\n                  if (xCOffset + 1 >= inDims[1]) {\n                    xTexelC"+v+".zw = vec2(0.0);\n                  }\n                  xTexelC"+v+"Ready = 1;\n                }\n              ",h+=1===u&&v>0?"\n                xC"+v+" = vec4(xTexelC"+(v-2)+".zw, xTexelC"+v+".xy);\n                ":"\n                  xCOffset = xC + 1 - 2;\n\n                  if (xCOffset >= 0 && xCOffset < inDims[1]) {\n                    previous = getX(batch, xR, xCOffset, d1);\n\n                    // Need to manually clear unused channels in case\n                    // we're reading from recycled texture.\n                    if (xCOffset + 1 >= inDims[1]) {\n                      previous.zw = vec2(0.0);\n                    }\n\n                    xC"+v+" = vec4(previous.zw, xTexelC"+v+".xy);\n                  } else {\n                    xC"+v+" = vec4(0.0, 0.0, xTexelC"+v+".xy);\n                  }\n                  "):h+="\n                if (xC >= 0 && xC < inDims[1] && xTexelC"+v+"Ready == 0) {\n                  xTexelC"+v+" = getX(batch, xR, xC, d1);\n                  if (xC + 1 >= inDims[1]) {\n                    xTexelC"+v+".zw = vec2(0.0);\n                  }\n                  xTexelC"+v+"Ready = 1;\n                }\n\n                xC"+v+" = xTexelC"+v+";\n                ",v+1<c)){var g=o%2==0?Pv(u):u;u%2==0&&o%2==1||u%2!=0&&o%2!=1?(h+="\n                  xCOffset = xC + imod(pads[1], 2) + "+g+";\n\n                  if (xCOffset >= 0 && xCOffset < inDims[1] && xTexelC"+(v+1)+"Ready == 0) {\n                    xTexelC"+(v+1)+" = getX(batch, xR, xCOffset, d1);\n\n                    // Need to manually clear unused channels in case\n                    // we're reading from recycled texture.\n                    if (xCOffset + 1 >= inDims[1]) {\n                      xTexelC"+(v+1)+".zw = vec2(0.0);\n                    }\n                    xTexelC"+(v+1)+"Ready = 1;\n                  }\n                  ",u>1&&(h+="\n                    xCOffset -= 2;\n                    if (xCOffset >= 0 && xCOffset < inDims[1] && xTexelC"+v+"Ready == 0) {\n                      xTexelC"+v+" = getX(batch, xR, xCOffset, d1);\n                      xTexelC"+v+"Ready = 1;\n                    }\n                    "),h+="\n                  xC"+(v+1)+" = vec4(xTexelC"+v+".zw, xTexelC"+(v+1)+".xy);\n                  "):h+=1===g?"\n                    xC"+(v+1)+" = xTexelC"+v+";\n                    ":"\n                    xCOffset = xC + "+g+";\n\n                    if (xCOffset >= 0 && xCOffset < inDims[1] && xTexelC"+(v+1)+"Ready == 0) {\n                      xTexelC"+(v+1)+" = getX(batch, xR, xCOffset, d1);\n                      if (xCOffset + 1 >= inDims[1]) {\n                        xTexelC"+(v+1)+".zw = vec2(0.0);\n                      }\n                      xTexelC"+(v+1)+"Ready = 1;\n                    }\n\n                    xC"+(v+1)+" = xTexelC"+(v+1)+";\n                    "}}else v<c&&(o%2==1?(h+="\n                xCOffset = xC + 1 - strides[1];\n                if(xCOffset >= 0 && xCOffset < inDims[1] && xTexelC"+v+"Ready == 0) {\n                  xTexelC"+v+" = getX(batch, xR, xCOffset, d1);\n                  // Need to manually clear unused channels in case\n                  // we're reading from recycled texture.\n                  if (xCOffset + 1 >= inDims[1]) {\n                    xTexelC"+v+".zw = vec2(0.0);\n                  }\n                  xTexelC"+v+"Ready = 1;\n                }\n\n                if(xC + 1 >= 0 && xC + 1 < inDims[1] && xTexelC"+(v+1)+"Ready == 0) {\n                  xTexelC"+(v+1)+" = getX(batch, xR, xC + 1, d1);\n                  // Need to manually clear unused channels in case\n                  // we're reading from recycled texture.\n                  if (xC + 2 >= inDims[1]) {\n                    xTexelC"+(v+1)+".zw = vec2(0.0);\n                  }\n                  xTexelC"+(v+1)+"Ready = 1;\n                }\n\n                xC"+v+" = vec4(xTexelC"+v+".zw, xTexelC"+(v+1)+".zw);\n              ",v+1<c&&(h+="\n                  final = vec4(0.0);\n                  xCOffset = xC + 1 + strides[1];\n                  if(xCOffset >= 0 && xCOffset < inDims[1]) {\n                    final = getX(batch, xR, xCOffset, d1);\n                  }\n                  xC"+(v+1)+" = vec4(xTexelC"+(v+1)+".xy, final.xy);\n                ")):(h+="\n                if(xC >= 0 && xC < inDims[1] && xTexelC"+v+"Ready == 0) {\n                  xTexelC"+v+" = getX(batch, xR, xC, d1);\n                  if (xC + 1 >= inDims[1]) {\n                    xTexelC"+v+".zw = vec2(0.0);\n                  }\n                  xTexelC"+v+"Ready = 1;\n                }\n\n                xCOffset = xC + strides[1];\n                if(xCOffset >= 0 && xCOffset < inDims[1] && xTexelC"+(v+1)+"Ready == 0) {\n                  xTexelC"+(v+1)+" = getX(batch, xR, xCOffset, d1);\n                  if (xCOffset + 1 >= inDims[1]) {\n                    xTexelC"+(v+1)+".zw = vec2(0.);\n                  }\n                  xTexelC"+(v+1)+"Ready = 1;\n                }\n\n                xC"+v+" = vec4(\n                  xTexelC"+v+".xy, xTexelC"+(v+1)+".xy);\n              ",v+1<c&&(h+="\n                  xC"+(v+1)+" = vec4(xTexelC"+v+".zw, xTexelC"+(v+1)+".zw);\n                ")));v<c&&(h+="\n            wTexel = getW(r, "+v+", d1, q);\n            dotProd += xC"+v+" * vec4(wTexel.xz, wTexel.xz);\n          ",v+1<c&&(h+="\n              wTexel = getW(r, "+(v+1)+", d1, q);\n              dotProd += xC"+(v+1)+" * vec4(wTexel.xz, wTexel.xz);\n            "))}h+="\n    }\n  ",h+="\n      }\n    ";var y="",b="";n&&(y=r?"vec4 activation(vec4 a) {\n          vec4 b = getPreluActivationWeightsAtOutCoords();\n          "+n+"\n        }":a?"vec4 activation(vec4 a) {\n          vec4 b = getLeakyreluAlphaAtOutCoords();\n          "+n+"\n        }":"vec4 activation(vec4 x) {\n          "+n+"\n        }",b="result = activation(result);");var x=t?"result += getBiasAtOutCoords();":"";t&&this.variableNames.push("bias"),r&&this.variableNames.push("preluActivationWeights"),a&&this.variableNames.push("leakyreluAlpha"),this.userCode="\n      "+y+"\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int batch = coords.x;\n        ivec2 xRCCorner = coords.yz * strides - pads;\n        int d2 = coords.w;\n        int d1 = d2 / "+i+";\n        int q = d2 - d1 * "+i+";\n        int xRCorner = xRCCorner.x;\n        int xCCorner = xRCCorner.y;\n\n        //intialize dotProd with a small epsilon seems to reduce GPU accuracy loss.\n        vec4 dotProd = vec4(0.000000000000001);\n\n        "+h+"\n\n        vec4 result = dotProd - vec4(0.000000000000001);\n        "+x+"\n        "+b+"\n        setOutput(result);\n      }\n    "};var v$={kernelName:xy,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=t.filter,o=r.strides,s=r.pad,u=r.dilations,l=r.dimRoundingMode,c=u;null==c&&(c=[1,1]),Uv(zS(o,c),(function(){return"Error in depthwiseConv2d: Either strides or dilations must be 1. Got strides "+o+" and dilations '"+c+"'"}));var p,h=RS(a.shape,i.shape,o,c,s,l,!0);p=Rg().getBool("WEBGL_PACK_DEPTHWISECONV")&&h.strideWidth<=2&&h.outChannels/h.inChannels==1?new m$(h):new d$(h);var f=[[h.padInfo.top,h.padInfo.left],[h.strideHeight,h.strideWidth],[h.dilationHeight,h.dilationWidth],[h.inHeight,h.inWidth]];return n.runWebGLProgram(p,[a,i],"float32",f)}},g$=function(e){this.variableNames=["x","dy"],this.outputShape=e.filterShape;var t=e.strideHeight,n=e.strideWidth,r=e.padInfo.top,a=e.padInfo.left,i=e.outChannels/e.inChannels;this.userCode="\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int wR = coords.x;\n        int wC = coords.y;\n        int d1 = coords.z;\n        int dm = coords.w;\n        int d2 = d1 * "+i+" + dm;\n\n        float dotProd = 0.0;\n\n        // TO DO: Vec4 over the batch size\n        for (int b = 0; b < "+e.batchSize+"; b++) {\n          for (int yR = 0; yR < "+e.outHeight+"; yR++) {\n            int xR = wR + yR * "+t+" - "+r+";\n\n            if (xR < 0 || xR >= "+e.inHeight+") {\n              continue;\n            }\n\n            for (int yC = 0; yC < "+e.outWidth+"; yC++) {\n              int xC = wC + yC * "+n+" - "+a+";\n\n              if (xC < 0 || xC >= "+e.inWidth+") {\n                continue;\n              }\n\n              float dyValue = getDy(b, yR, yC, d2);\n              float xValue = getX(b, xR, xC, d1);\n              dotProd += (xValue * dyValue);\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    "},y$=function(e){this.variableNames=["dy","W"],this.outputShape=e.inShape;var t=e.filterHeight,n=e.filterWidth,r=e.strideHeight,a=e.strideWidth,i=t-1-e.padInfo.top,o=n-1-e.padInfo.left,s=e.outChannels/e.inChannels;this.userCode="\n      const ivec2 pads = ivec2("+i+", "+o+");\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int batch = coords[0];\n        int d1 = coords[3];\n        ivec2 dyCorner = coords.yz - pads;\n        int dyRCorner = dyCorner.x;\n        int dyCCorner = dyCorner.y;\n\n        float dotProd = 0.0;\n\n        for (int wR = 0; wR < "+t+"; wR++) {\n          float dyR = float(dyRCorner + wR) / "+r+".0;\n\n          if (dyR < 0.0 || dyR >= "+e.outHeight+".0 || fract(dyR) > 0.0) {\n            continue;\n          }\n          int idyR = int(dyR);\n\n          int wRPerm = "+t+" - 1 - wR;\n\n          for (int wC = 0; wC < "+n+"; wC++) {\n            float dyC = float(dyCCorner + wC) / "+a+".0;\n\n            if (dyC < 0.0 || dyC >= "+e.outWidth+".0 ||\n                fract(dyC) > 0.0) {\n              continue;\n            }\n            int idyC = int(dyC);\n\n            int wCPerm = "+n+" - 1 - wC;\n\n            // TO DO: Vec4 over the channelMul\n            for (int dm = 0; dm < "+s+"; dm++) {\n              int d2 = d1 * "+s+" + dm;\n              float xValue = getDy(batch, idyR, idyC, d2);\n              float wValue = getW(wRPerm, wCPerm, d1, dm);\n              dotProd += xValue * wValue;\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    "};var b$={kernelName:wy,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=t.dy,o=r.strides,s=r.dilations,u=r.pad,l=r.dimRoundingMode,c=r.filterShape,p=RS(a.shape,c,o,s,u,l,!0),h=new g$(p);return n.runWebGLProgram(h,[a,i],"float32")}};var x$={kernelName:ky,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.dy,i=t.filter,o=r.strides,s=r.dilations,u=r.pad,l=r.dimRoundingMode,c=RS(r.inputShape,i.shape,o,s,u,l,!0),p=new y$(c);return n.runWebGLProgram(p,[a,i],"float32")}},w$=function(e){this.variableNames=["X"],this.outputShape=[e,e],this.userCode="\n      void main() {\n          ivec2 coords = getOutputCoords();\n          float val = coords[0] == coords[1] ? getX(coords[0]) : 0.0;\n          setOutput(val);\n      }\n    "};var k$={kernelName:Ny,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=t.x,a=[].concat(r.shape,r.shape),i=Hv(r.shape),o=aZ({inputs:{x:r},backend:n,attrs:{shape:[i]}}),s=new w$(i),u=n.runWebGLProgram(s,[o],o.dtype),l=aZ({inputs:{x:u},backend:n,attrs:{shape:a}});return n.disposeIntermediateTensorInfo(o),n.disposeIntermediateTensorInfo(u),l}},N$=function(e){this.variableNames=["x","W"],this.outputShape=e.outShape;var t=e.inHeight,n=e.inWidth,r=e.padInfo,a=e.strideHeight,i=e.strideWidth,o=e.filterHeight,s=e.filterWidth,u=e.dilationHeight,l=e.dilationWidth,c=r.top,p=r.left;this.userCode="\n      const ivec2 strides = ivec2("+a+", "+i+");\n      const ivec2 pads = ivec2("+c+", "+p+");\n      const float neg_infinity = -3.4e38;\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int batch = coords.x;\n        int d1 = coords.w;\n        ivec2 outTopLeftCorner =\n            coords.yz * strides - pads;\n        int hBeg = outTopLeftCorner.x;\n        int wBeg = outTopLeftCorner.y;\n\n        float curVal = neg_infinity;\n        for (int h = 0; h < "+o+"; h++) {\n          int hIn = hBeg + h * "+u+";\n\n          if (hIn >= 0 && hIn < "+t+") {\n            for (int w = 0; w < "+s+"; w++) {\n              int wIn = wBeg + w * "+l+";\n\n              if (wIn >= 0 && wIn < "+n+") {\n                float xVal = getX(batch, hIn, wIn, d1);\n                float wVal = getW(h, w, d1);\n\n                float val = xVal + wVal;\n                if (val > curVal) {\n                  curVal = val;\n                }\n              }\n            }\n          }\n        }\n\n        float result = curVal;\n        setOutput(result);\n      }\n    "};var I$={kernelName:Iy,backendName:"webgl",kernelFunc:function(e){var t,n=e.inputs,r=e.backend,a=e.attrs,i=n.x,o=n.filter,s=a.strides,u=a.pad,l=a.dilations,c=TS(i.shape,o.shape,s,u,"NHWC",l),p=new N$(c),h=aZ({inputs:{x:t=r.runWebGLProgram(p,[i,o],"float32")},backend:r,attrs:{shape:c.outShape}});return r.disposeIntermediateTensorInfo(t),h}};var S$={kernelName:Cy,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=t,a=S_(e.attrs.equation,r.length),i=a.allDims,o=a.summedDims,s=a.idDims;E_(i.length,s,r);for(var u=C_(o,s),l=u.path,c=u.steps,p=c.length,h=null,f=i.length,d=[],m=0;m<p;++m){for(var v,g=Fv(c[m]);!(v=g()).done;){var y=v.value,b=T_(f,s[y]),x=b.permutationIndices,w=b.expandDims,k=void 0;R_(x)?k=r[y]:(k=dZ({inputs:{x:r[y]},backend:n,attrs:{perm:x}}),d.push(k));for(var N=k.shape.slice(),I=0;I<w.length;++I)N.splice(w[I],0,1);qv(k.shape,N)||(k=aZ({inputs:{x:k},backend:n,attrs:{shape:N}}),d.push(k)),null===h?h=k:(h=nZ({inputs:{a:k,b:h},backend:n}),d.push(h))}m<p-1&&(l[m]>=0&&(h=hZ({inputs:{x:h},backend:n,attrs:{axis:l[m]-(i.length-f),keepDims:!1}}),d.push(h)),f--)}for(var S=0,T=d;S<T.length;S++){var E=T[S];E!==h&&n.disposeIntermediateTensorInfo(E)}return h}},T$=XJ({opSnippet:"return (x >= 0.0) ? x : (exp(x) - 1.0);",packedOpSnippet:"\n  vec4 result;\n\n  result.r = (x.r >= 0.0) ? x.r : (exp(x.r) - 1.0);\n  result.g = (x.g >= 0.0) ? x.g : (exp(x.g) - 1.0);\n  result.b = (x.b >= 0.0) ? x.b : (exp(x.b) - 1.0);\n  result.a = (x.a >= 0.0) ? x.a : (exp(x.a) - 1.0);\n\n  return result;\n"}),E$={kernelName:Ry,backendName:"webgl",kernelFunc:T$},C$={kernelName:Ay,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=t.dy,a=t.y,i=Rg().getBool("WEBGL_PACK_BINARY_OPERATIONS")?new zJ("\n  vec4 bGTEZero = vec4(greaterThanEqual(b, vec4(0.)));\n  return (bGTEZero * a) + ((vec4(1.0) - bGTEZero) * (a * (b + vec4(1.0))));\n",r.shape,a.shape):new LJ("return (b >= 1.0) ? a : a * (b + 1.0);",r.shape,a.shape);return n.runWebGLProgram(i,[r,a],r.dtype)}},R$=YJ({opSnippet:"return float(a == b);",packedOpSnippet:"\n  return vec4(equal(a, b));\n",dtype:"bool",cpuKernelImpl:OY}),A$={kernelName:Fy,backendName:"webgl",kernelFunc:R$},_$=XJ({opSnippet:'\n  // Error function is calculated approximately with elementary function.\n  // See "Handbook of Mathematical Functions with Formulas,\n  // Graphs, and Mathematical Tables", Abramowitz and Stegun.\n  float p = 0.3275911;\n  float a1 = 0.254829592;\n  float a2 = -0.284496736;\n  float a3 = 1.421413741;\n  float a4 = -1.453152027;\n  float a5 = 1.061405429;\n\n  float sign = sign(x);\n  x = abs(x);\n  float t = 1.0 / (1.0 + p * x);\n  return sign * (1.0 - (((((a5*t + a4)*t) + a3)*t + a2)*t + a1)*t*exp(-x*x));\n'}),F$={kernelName:_y,backendName:"webgl",kernelFunc:_$},D$=XJ({opSnippet:"if (isnan(x)) return x;\n  return exp(x);\n",packedOpSnippet:"\n  vec4 result = exp(x);\n  bvec4 isNaN = isnan(x);\n  result.r = isNaN.r ? x.r : result.r;\n  result.g = isNaN.g ? x.g : result.g;\n  result.b = isNaN.b ? x.b : result.b;\n  result.a = isNaN.a ? x.a : result.a;\n\n  return result;\n",cpuKernelImpl:MY,dtype:"float32"}),O$={kernelName:Dy,backendName:"webgl",kernelFunc:D$};function M$(e){var t=e.inputs,n=e.attrs,r=e.backend,a=n.dim,i=t.input,o=i.shape.length,s=i.shape.slice(),u=a;return a<0&&(Uv(-(o+1)<=a,(function(){return"Axis must be in the interval ["+-(o+1)+", "+o+"]"})),u=o+a+1),s.splice(u,0,1),aZ({inputs:{x:i},backend:r,attrs:{shape:s}})}var L$={kernelName:Oy,backendName:"webgl",kernelFunc:M$},z$="return exp(x) - 1.0;",P$=XJ({opSnippet:z$,packedOpSnippet:z$,cpuKernelImpl:LY}),B$={kernelName:My,backendName:"webgl",kernelFunc:P$},W$=function(e,t,n){this.variableNames=["real","imag"];var r=t[1];this.outputShape=t;var a,i=n?"2.0 * "+Math.PI:"-2.0 * "+Math.PI,o=n?r+".0":"1.0";if("real"===e)a="return real * expR - imag * expI;";else{if("imag"!==e)throw new Error('FFT component must be either "real" or "imag", got '+e+".");a="return real * expI + imag * expR;"}this.userCode="\n      const float exponentMultiplier = "+i+";\n\n      float unaryOpComplex(float real, float expR, float imag, float expI) {\n        "+a+"\n      }\n\n      float mulMatDFT(int batch, int index) {\n        float indexRatio = float(index) / float("+r+");\n        float exponentMultiplierTimesIndexRatio =\n            exponentMultiplier * indexRatio;\n\n        float result = 0.0;\n\n        for (int i = 0; i < "+r+"; i++) {\n          // x = (-2|2 * PI / N) * index * i;\n          float x = exponentMultiplierTimesIndexRatio * float(i);\n          float expR = cos(x);\n          float expI = sin(x);\n          float real = getReal(batch, i);\n          float imag = getImag(batch, i);\n\n          result +=\n              unaryOpComplex(real, expR, imag, expI) / "+o+";\n        }\n\n        return result;\n      }\n\n      void main() {\n        ivec2 coords = getOutputCoords();\n        setOutput(mulMatDFT(coords[0], coords[1]));\n      }\n    "};function U$(e,t,n){var r=n.texData.get(e.dataId),a=Hv(e.shape),i=e.shape[e.shape.length-1],o=aZ({inputs:{x:e},backend:n,attrs:{shape:[a/i,i]}}),s=o.shape,u=new W$("real",s,t),l=new 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o=tg(i,Hv(r));return o.fill(a),t.makeTensorInfo(r,i,o)}var s=new G$(r,a),u=[[a]];return t.runWebGLProgram(s,[],i,u)}var H$,q$={kernelName:zy,backendName:"webgl",kernelFunc:j$},K$=function(e){this.variableNames=["Image"],this.outputShape=[];var t=e[2];this.outputShape=e,this.userCode="\n        void main() {\n          ivec4 coords = getOutputCoords();\n          int x = coords[2];\n\n          int coordX = "+t+" - x - 1;\n          float outputValue;\n          if(coordX >= 0 && coordX < "+t+") {\n            outputValue = getImage(coords[0], coords[1], coordX, coords[3]);\n          } else {\n            outputValue = getImage(coords[0], coords[1], coords[2], coords[3]);\n          }\n          setOutput(outputValue);\n        }\n    "},X$={kernelName:Py,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=t.image,a=n,i=new K$(r.shape);return a.runWebGLProgram(i,[r],r.dtype)}},Y$="return floor(x);",J$=XJ({opSnippet:Y$,packedOpSnippet:Y$,cpuKernelImpl:zY}),Z$={kernelName:By,backendName:"webgl",kernelFunc:J$},Q$=YJ({opSnippet:"\n  float s = sign(a) * sign(b);\n  int ia = round(a);\n  int ib = round(b);\n  if (ib != 0) {\n    // Windows (D3D) wants guaranteed non-zero int division at compile-time.\n    return float(idiv(ia, ib, s));\n  } else {\n    return NAN;\n  }\n",packedOpSnippet:"\n  ivec4 ia = round(a);\n  ivec4 ib = round(b);\n  bvec4 cond = notEqual(ib, ivec4(0));\n  ivec4 result = ivec4(0);\n  vec4 s = sign(a) * sign(b);\n\n  // Windows (D3D) wants guaranteed non-zero int division at compile-time.\n  if (cond[0]) {\n    result[0] = idiv(ia[0], ib[0], s[0]);\n  }\n  if (cond[1]) {\n    result[1] = idiv(ia[1], ib[1], s[1]);\n  }\n  if (cond[2]) {\n    result[2] = idiv(ia[2], ib[2], s[2]);\n  }\n  if (cond[3]) {\n    result[3] = idiv(ia[3], ib[3], s[3]);\n  }\n  return vec4(result);\n",dtype:"int32"}),$$={kernelName:Wy,backendName:"webgl",kernelFunc:Q$},e0=function(e){this.variableNames=["A"];var t=VX(),n=e[0],r=e[1];this.outputShape=e,this.userCode="\n      void main() {\n        ivec3 coords = getOutputCoords();\n        int texR = coords[0];\n        int texC = coords[1];\n        int depth = coords[2];\n        vec2 uv = (vec2(texC, texR) + halfCR) / vec2("+r+".0, "+n+".0);\n\n        vec4 values = "+t.texture2D+"(A, uv);\n        float value;\n        if (depth == 0) {\n          value = values.r;\n        } else if (depth == 1) {\n          value = values.g;\n        } else if (depth == 2) {\n          value = values.b;\n        } else if (depth == 3) {\n          value = values.a;\n        }\n\n        setOutput(floor(value * 255.0 + 0.5));\n      }\n    "},t0=function(e){this.variableNames=["A"],this.packedInputs=!1,this.packedOutput=!0;var t=VX(),n=e[0],r=e[1];this.outputShape=e,this.userCode="\n      void main() {\n        ivec3 coords = getOutputCoords();\n        int texR = coords[0];\n        int texC = coords[1];\n        int depth = coords[2];\n\n        vec4 result = vec4(0.);\n\n        for(int row=0; row<=1; row++) {\n          for(int col=0; col<=1; col++) {\n            texC = coords[1] + row;\n            depth = coords[2] + col;\n\n            vec2 uv = (vec2(texC, texR) + halfCR) /\n                       vec2("+r+".0, "+n+".0);\n            vec4 values = "+t.texture2D+"(A, uv);\n            float value;\n            if (depth == 0) {\n              value = values.r;\n            } else if (depth == 1) {\n              value = values.g;\n            } else if (depth == 2) {\n              value = values.b;\n            } else if (depth == 3) {\n              value = values.a;\n            }\n\n            result[row * 2 + col] = floor(value * 255.0 + 0.5);\n          }\n        }\n\n        "+t.output+" = result;\n      }\n    "},n0={kernelName:Dx,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.pixels,i=r.numChannels,o="undefined"!=typeof HTMLVideoElement&&a instanceof HTMLVideoElement,s="undefined"!=typeof HTMLImageElement&&a instanceof HTMLImageElement,u=o?[a.videoWidth,a.videoHeight]:[a.width,a.height],l=u[0],c=u[1],p=[c,l],h=[c,l,i];(s||o)&&(null==H$&&(H$=document.createElement("canvas").getContext("2d")),H$.canvas.width=l,H$.canvas.height=c,H$.drawImage(a,0,0,l,c),a=H$.canvas);var f=n.makeTensorInfo(p,"int32");n.texData.get(f.dataId).usage=sX.PIXELS,n.gpgpu.uploadPixelDataToTexture(n.getTexture(f.dataId),a);var d=Rg().getBool("WEBGL_PACK")?new t0(h):new e0(h),m=n.runWebGLProgram(d,[f],"int32");return n.disposeData(f.dataId),m}};var r0={kernelName:Lx,backendName:"webgl",kernelFunc:function(e){var t,n=e.inputs,r=e.backend,a=e.attrs,i=n.x,o=n.filter,s=n.bias,u=n.preluActivationWeights,l=a.strides,c=a.pad,p=a.dataFormat,h=a.dilations,f=a.dimRoundingMode,d=a.activation,m=a.leakyreluAlpha,v=PS(p),g=RS(i.shape,o.shape,l,h,c,f,!1,v),y=[];if(1!==g.filterHeight||1!==g.filterWidth||1!==g.dilationHeight||1!==g.dilationWidth||1!==g.strideHeight||1!==g.strideWidth||"SAME"!==g.padInfo.type&&"VALID"!==g.padInfo.type)if(Rg().getBool("WEBGL_CONV_IM2COL")&&1===i.shape[0])t=UQ({x:i,filter:o,convInfo:g,backend:r,bias:s,activation:d,preluActivationWeights:u,leakyreluAlpha:m});else{var b=null!=s,x=null!=u,w="leakyrelu"===d,k=d?JJ(d,!1):null,N=new zQ(g,b,k,x,w),I=[i,o],S=function(e,t){if("NCHW"===t&&1===e.shape.length&&1!==e.shape[0]){var n=aZ({inputs:{x:e},backend:r,attrs:{shape:[e.shape[0],1,1]}});return y.push(n),n}return e};if(b&&I.push(S(s,p)),x&&I.push(S(u,p)),w){var T=r.makeTensorInfo([],"float32",_w(m,"float32"));I.push(T),y.push(T)}t=r.runWebGLProgram(N,I,"float32")}else t=WQ({x:i,filter:o,convInfo:g,backend:r,bias:s,activation:d,preluActivationWeights:u,leakyreluAlpha:m});var E=aZ({inputs:{x:t},backend:r,attrs:{shape:g.outShape}});return y.push(t),y.forEach((function(e){return r.disposeIntermediateTensorInfo(e)})),E}};var a0={kernelName:zx,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=t.filter,o=t.bias,s=t.preluActivationWeights,u=r.strides,l=r.pad,c=r.dilations,p=r.dimRoundingMode,h=r.activation,f=r.leakyreluAlpha,d=[],m=c;null==m&&(m=[1,1]),Uv(zS(u,m),(function(){return"Error in depthwiseConv2d: Either strides or dilations must be 1. Got strides "+u+" and dilations '"+m+"'"}));var v,g=RS(a.shape,i.shape,u,m,l,p,!0),y=Rg().getBool("WEBGL_PACK_DEPTHWISECONV")&&g.strideWidth<=2&&g.outChannels/g.inChannels==1,b=h?JJ(h,y):null,x=[a,i],w=null!=o,k=null!=s,N="leakyrelu"===h;if(w&&x.push(o),k&&x.push(s),N){var I=n.makeTensorInfo([],"float32",_w(f,"float32"));x.push(I),d.push(I)}v=y?new m$(g,w,b,k,N):new d$(g,w,b,k,N);var S=[[g.padInfo.top,g.padInfo.left],[g.strideHeight,g.strideWidth],[g.dilationHeight,g.dilationWidth],[g.inHeight,g.inWidth]],T=n.runWebGLProgram(v,x,"float32",S);return d.forEach((function(e){return n.disposeIntermediateTensorInfo(e)})),T}},i0=function(e,t,n){this.sliceDim=e,this.strides=t,this.variableNames=["x","indices"],this.outputShape=n;var r=aY(t.length),a=aY(n.length),i=this.sliceDim>1?"strides[j]":"strides";this.userCode="\n        "+r+" strides = "+r+"("+this.strides+");\n         void main() {\n          "+a+" coords = getOutputCoords();\n          int flattenIndex = 0;\n          for (int j = 0; j < "+this.sliceDim+"; j++) {\n            int index = round(getIndices(coords[0], j));\n            flattenIndex += index * "+i+";\n          }\n          setOutput(getX(flattenIndex, coords[1]));\n        }\n      "};var o0={kernelName:Gy,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=t.params,a=t.indices,i=a.shape,o=i[i.length-1],s=Hv(r.shape),u=_I(r,a),l=u[0],c=u[1],p=u[2],h=u[3],f=aZ({inputs:{x:a},backend:n,attrs:{shape:[c,o]}}),d=aZ({inputs:{x:r},backend:n,attrs:{shape:[Hv(r.shape)/p,p]}});if(n.shouldExecuteOnCPU([r,a])||"string"===r.dtype){var m=n.readSync(a.dataId),v=n.bufferSync(r),g=PY(m,v,r.dtype,c,o,p,h,r.shape,s);return n.makeTensorInfo(l,r.dtype,g.values)}var y=new i0(o,h,[c,p]),b=n.runWebGLProgram(y,[d,f],d.dtype),x=aZ({inputs:{x:b},backend:n,attrs:{shape:l}});return n.disposeIntermediateTensorInfo(f),n.disposeIntermediateTensorInfo(d),n.disposeIntermediateTensorInfo(b),x}},s0=function(e,t){this.variableNames=["A","indices"],this.outputShape=t,this.rank=t.length;var n=aY(this.rank),r=function(e,t){for(var n=["resRC.x","resRC.y","resRC.z","resRC.w"],r=[],a=0;a<e.length;a++)2===a?r.push("index"):r.push(""+n[a]);return r.join()}(e);this.userCode="\n      void main() {\n        "+n+" resRC = getOutputCoords();\n        int index = int(getIndices(resRC.x, resRC.z));\n        float inBounds = (index >= 0) && (index < "+e[2]+") ? 1.0 : 0.0;\n        setOutput(inBounds * getA("+r+"));\n      }\n    "};function u0(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=t.indices,o=r.axis,s=r.batchDims,u=Qv(o,a.shape)[0];Rg().get("DEBUG")&&function(){for(var e=n.readSync(i.dataId),t=a.shape[u],r=function(n){var r=e[n];Uv(r<=t-1&&r>=0,(function(){return"GatherV2: the index value "+r+" is not in [0, "+(t-1)+"]"}))},o=0;o<e.length;++o)r(o)}();var l=q_(a,i,u,s),c=Hv(i.shape),p=[],h=aZ({inputs:{x:a},backend:n,attrs:{shape:[l.batchSize,l.outerSize,l.dimSize,l.sliceSize]}}),f=aZ({inputs:{x:i},backend:n,attrs:{shape:[l.batchSize,c/l.batchSize]}});p.push(h),p.push(f);var d=[l.batchSize,l.outerSize,c/l.batchSize,l.sliceSize];if(n.shouldExecuteOnCPU([a,i])||"string"===a.dtype){var m=n.bufferSync(f),v=n.bufferSync(h),g=BY(v,m,d);return p.forEach((function(e){return n.disposeIntermediateTensorInfo(e)})),n.makeTensorInfo(l.outputShape,g.dtype,g.values)}var y=new s0(h.shape,d),b=n.runWebGLProgram(y,[h,f],h.dtype);p.push(b);var x=aZ({inputs:{x:b},backend:n,attrs:{shape:l.outputShape}});return p.forEach((function(e){return n.disposeIntermediateTensorInfo(e)})),x}var l0={kernelName:Vy,backendName:"webgl",kernelFunc:u0},c0=YJ({opSnippet:"return float(a > b);",packedOpSnippet:"\n  return vec4(greaterThan(a, b));\n",cpuKernelImpl:WY,dtype:"bool"}),p0={kernelName:jy,backendName:"webgl",kernelFunc:c0},h0=YJ({opSnippet:"return float(a >= b);",packedOpSnippet:"\n  return vec4(greaterThanEqual(a, b));\n",dtype:"bool",cpuKernelImpl:UY}),f0={kernelName:Hy,backendName:"webgl",kernelFunc:h0};var d0={kernelName:Ky,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend;return U$(t.input,!0,n)}},m0=XJ({opSnippet:"return float(!isnan(x) && !isinf(x));",dtype:"bool"}),v0={kernelName:Yy,backendName:"webgl",kernelFunc:m0},g0=XJ({opSnippet:"return float(isinf(x));",dtype:"bool"}),y0={kernelName:Jy,backendName:"webgl",kernelFunc:g0},b0=XJ({opSnippet:"return float(isnan(x));",dtype:"bool"}),x0={kernelName:Zy,backendName:"webgl",kernelFunc:b0},w0=YJ({opSnippet:"return float(a < b);",packedOpSnippet:"\n  return vec4(lessThan(a, b));\n",cpuKernelImpl:VY,dtype:"bool"}),k0={kernelName:$y,backendName:"webgl",kernelFunc:w0},N0=YJ({opSnippet:"return float(a <= b);",packedOpSnippet:"\n  return vec4(lessThanEqual(a, b));\n",cpuKernelImpl:GY,dtype:"bool"}),I0={kernelName:eb,backendName:"webgl",kernelFunc:N0};var S0={kernelName:tb,backendName:"webgl",kernelFunc:function(e){var t=e.backend,n=e.attrs,r=n.start,a=n.stop,i=n.num,o=jY(r,a,i);return t.makeTensorInfo([o.length],"float32",o)}},T0=XJ({opSnippet:"if (isnan(x)) return x;\n  return x < 0.0 ? 0./0. : log(x);\n",packedOpSnippet:"\n  vec4 result = log(x);\n  bvec4 isNaN = isnan(x);\n  result.r = isNaN.r ? x.r : (x.r < 0.0 ? 0./0. : result.r);\n  result.g = isNaN.g ? x.g : (x.g < 0.0 ? 0./0. : result.g);\n  result.b = isNaN.b ? x.b : (x.b < 0.0 ? 0./0. : result.b);\n  result.a = isNaN.a ? x.a : (x.a < 0.0 ? 0./0. : result.a);\n  return result;\n",cpuKernelImpl:HY}),E0={kernelName:nb,backendName:"webgl",kernelFunc:T0},C0=XJ({opSnippet:"if (isnan(x)) return x;\n  return log(1.0 + x);\n"}),R0={kernelName:rb,backendName:"webgl",kernelFunc:C0},A0=YJ({opSnippet:"return float(a >= 1.0 && b >= 1.0);",packedOpSnippet:"\n  return vec4(\n    vec4(greaterThanEqual(a, vec4(1.0))) *\n    vec4(greaterThanEqual(b, vec4(1.0))));\n",dtype:"bool"}),_0={kernelName:ab,backendName:"webgl",kernelFunc:A0},F0=XJ({opSnippet:"return float(!(x >= 1.0));"}),D0={kernelName:ib,backendName:"webgl",kernelFunc:F0},O0=YJ({opSnippet:"return float(a >= 1.0 || b >= 1.0);",packedOpSnippet:"\n  return min(\n    vec4(greaterThanEqual(a, vec4(1.0))) +\n    vec4(greaterThanEqual(b, vec4(1.0))),\n    vec4(1.0));\n",dtype:"bool"}),M0={kernelName:ob,backendName:"webgl",kernelFunc:O0},L0=function(e,t,n,r,a){this.variableNames=["x"],this.outputShape=[];var i,o=t,s=e[3]-1;this.outputShape=e;var u="float("+n+") + float("+r+") * sum";i=.5===a?"inversesqrt("+u+")":1===a?"1.0/("+u+")":"exp(log("+u+") * float(-"+a+"));",this.userCode="\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int r = coords[1];\n        int c = coords[2];\n        int d = coords[3];\n        float x = getX(b, r, c, d);\n        float sum = 0.0;\n        for (int j = -"+o+"; j <= "+o+"; j++) {\n          int idx = d + j;\n          if (idx >= 0 && idx <=  "+s+") {\n            float z = getX(b, r, c, idx);\n            sum += z * z;\n          }\n        }\n        float val = x * "+i+";\n        setOutput(val);\n      }\n    "},z0=function(e,t,n,r,a){this.variableNames=["x"],this.outputShape=[],this.packedInputs=!0,this.packedOutput=!0;var i,o=t,s=e[3]-1;this.outputShape=e;var u="float("+n+") + float("+r+") * sum";i=.5===a?"inversesqrt("+u+")":1===a?"1.0/("+u+")":"exp(log("+u+") * float(-"+a+"));",this.userCode="\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords.x;\n        int r = coords.y;\n        int c = coords.z;\n        int d = coords.w;\n\n        bool hasNextCol = d < "+this.outputShape[3]+";\n        bool hasNextRow = c < "+this.outputShape[2]+";\n\n        vec4 sum = vec4(0.);\n        vec4 xFragAtOutputCoords = getX(b, r, c, d);\n\n        vec4 xAtOutputCoords = vec4(\n          getChannel(xFragAtOutputCoords, vec2(c, d)),\n          hasNextCol ?\n            getChannel(xFragAtOutputCoords, vec2(c, d + 1)) : 0.0,\n          hasNextRow ?\n            getChannel(xFragAtOutputCoords , vec2(c + 1, d)) : 0.0,\n          (hasNextRow && hasNextCol) ?\n            getChannel(xFragAtOutputCoords, vec2(c + 1, d + 1)) : 0.0\n        );\n\n        int firstChannel = d - "+o+";\n        vec2 cache = vec2(0.);\n        if(firstChannel >= 0){\n          vec4 firstChannelFrag = getX(b, r, c, firstChannel);\n          cache.x = getChannel(firstChannelFrag, vec2(c, firstChannel));\n            if(hasNextRow){\n              cache.y = getChannel(firstChannelFrag, vec2(c + 1, firstChannel));\n            }\n        }\n\n        ivec2 depth = ivec2(d, d + 1);\n        for (int j = - "+o+"; j <= "+o+"; j++) {\n          ivec2 idx = depth + j;\n          bvec2 aboveLowerBound = greaterThanEqual(idx, ivec2(0));\n          bvec2 belowUpperBound = lessThanEqual(idx, ivec2("+s+"));\n\n          bool depthInRange = aboveLowerBound.x && belowUpperBound.x;\n          bool depthPlusOneInRange = aboveLowerBound.y && belowUpperBound.y;\n\n          if(depthInRange || depthPlusOneInRange){\n            vec4 z = vec4(0.);\n            vec4 xFragAtCurrentDepth;\n            z.xz = cache.xy;\n            if(depthPlusOneInRange && hasNextCol){\n              xFragAtCurrentDepth = idx.y != d ?\n                getX(b, r, c, idx.y) : xFragAtOutputCoords;\n              z.y = getChannel(xFragAtCurrentDepth, vec2(c, idx.y));\n              if(hasNextRow){\n                z.w = getChannel(xFragAtCurrentDepth, vec2(c + 1, idx.y));\n              }\n            }\n            cache.xy = z.yw;\n            sum += z * z;\n          }\n        }\n        vec4 result = xAtOutputCoords * "+i+";\n        setOutput(result);\n      }\n    "},P0={kernelName:ub,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.depthRadius,o=r.bias,s=r.alpha,u=r.beta,l=Rg().getBool("WEBGL_PACK_NORMALIZATION")?new z0(a.shape,i,o,s,u):new L0(a.shape,i,o,s,u);return n.runWebGLProgram(l,[a],a.dtype)}},B0=function(e,t,n,r,a){this.variableNames=["inputImage","outputImage","dy"],this.outputShape=[],this.outputShape=e,this.depth=e[3],this.depthRadius=t,this.bias=n,this.alpha=r,this.beta=a,this.userCode="\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int r = coords[1];\n        int c = coords[2];\n\n        float result = 0.0;\n        for (int d = 0; d < "+this.depth+"; ++d) {\n          int depthBegin = int(max(0.0, float(d - "+t+")));\n          int depthEnd = int(min(float("+this.depth+"),\n              float(d + "+t+" + 1)));\n\n          const int MIN_DEPTH_BEGIN = 0;\n          const int MAX_DEPTH_END = "+this.depth+";\n\n          float norm = 0.0;\n          for (int k = MIN_DEPTH_BEGIN; k < MAX_DEPTH_END; ++k) {\n            if (k < depthBegin){\n              continue;\n            }\n            else if (k >= depthBegin && k < depthEnd) {\n              norm += getInputImage(b, r, c, k) * getInputImage(b, r, c, k);\n            }\n            else {\n              break;\n            }\n          }\n\n          norm = float("+r+") * norm + float("+n+");\n\n          for(int k = MIN_DEPTH_BEGIN; k < MAX_DEPTH_END; ++k){\n            if (k < depthBegin){\n              continue;\n            }\n            else if (k >= depthBegin && k < depthEnd){\n              float dyi = -2.0 * float("+r+")\n                * float("+a+")\n                * getInputImage(b ,r ,c, k) * getOutputImage(b, r, c, d)\n                / norm;\n              if (k == d) {\n                dyi += pow(norm, -1.0 * "+a+");\n              }\n              if (k == coords[3]) {\n                dyi *= getDy(b, r, c, d);\n                result += dyi;\n              }\n            }\n            else {\n              break;\n            }\n          }\n      }\n      setOutput(result);\n      }\n    "},W0={kernelName:lb,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=t.y,o=t.dy,s=r.depthRadius,u=r.bias,l=r.alpha,c=r.beta,p=new B0(a.shape,s,u,l,c);return n.runWebGLProgram(p,[a,i,o],a.dtype)}};function U0(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.reductionIndices,o=r.keepDims,s=a.shape.length,u=Qv(i,a.shape),l=u,c=zT(l,s),p=null!=c,h=n.shouldExecuteOnCPU([a]),f=a;if(p){if(h){for(var d=n.texData.get(f.dataId).values,m=new Array(s),v=0;v<m.length;v++)m[v]=a.shape[c[v]];var g=vJ(d,a.shape,a.dtype,c,m);f=n.makeTensorInfo(m,a.dtype),n.texData.get(f.dataId).values=g}else f=pZ(a,c,n);l=BT(l.length,s)}LT("max",l,s);var y,b=OT(f.shape,l),x=b[0],w=b[1],k=x;if(o&&(k=MT(x,u)),h){var N=n.texData.get(f.dataId).values,I=qY(N,Hv(w),k,a.dtype);y=n.makeTensorInfo(k,a.dtype),n.texData.get(y.dataId).values=I}else y=function(e,t,n,r){var a=Hv(t),i=aZ({inputs:{x:e},attrs:{shape:[Hv(e.shape)/a,a]},backend:r}),o=uZ(i,e.dtype,"max",r),s=aZ({inputs:{x:o},attrs:{shape:n},backend:r});return r.disposeIntermediateTensorInfo(i),r.disposeIntermediateTensorInfo(o),s}(f,w,k,n);return p&&n.disposeIntermediateTensorInfo(f),y}var V0={kernelName:cb,backendName:"webgl",kernelFunc:U0},G0=YJ({opSnippet:"\n  if (isnan(a)) return a;\n  if (isnan(b)) return b;\n\n  return max(a, b);\n",packedOpSnippet:"\n  vec4 result = vec4(max(a, b));\n  vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));\n  \n  result.r = isNaN.r > 0. ? NAN : result.r;\n  result.g = isNaN.g > 0. ? NAN : result.g;\n  result.b = isNaN.b > 0. ? NAN : result.b;\n  result.a = isNaN.a > 0. ? NAN : result.a;\n\n  return result;\n",cpuKernelImpl:KY}),j0={kernelName:pb,backendName:"webgl",kernelFunc:G0};var H0={kernelName:hb,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x;WX(a,"maxPool");var i=r.filterSize,o=r.strides,s=r.pad,u=r.dimRoundingMode;Uv(zS(o,1),(function(){return"Error in maxPool: Either strides or dilations must be 1. Got strides "+o+" and dilations '1'"}));var l=ES(a.shape,i,o,1,s,u);if(1===l.filterWidth&&1===l.filterHeight&&qv(l.inShape,l.outShape))return PJ({inputs:{x:a},backend:n});var c=new YZ(l,"max",!1);return n.runWebGLProgram(c,[a],a.dtype)}};var q0={kernelName:db,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.filterSize,o=r.strides,s=r.pad,u=r.dataFormat,l=r.dimRoundingMode,c=CS(a.shape,i,o,[1,1,1],s,l,u),p=new JZ(c,"max",!1);return n.runWebGLProgram(p,[a],a.dtype)}},K0=function(e){this.variableNames=["dy","maxPos"],this.outputShape=e.inShape;var t=e.strideHeight,n=e.strideWidth,r=e.dilationHeight,a=e.effectiveFilterHeight,i=e.effectiveFilterWidth,o=a-1-e.padInfo.top,s=i-1-e.padInfo.left,u=a*i-1;this.userCode="\n      const ivec2 pads = ivec2("+o+", "+s+");\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int d = coords[3];\n\n        ivec2 dyRCCorner = coords.yz - pads;\n        int dyRCorner = dyRCCorner.x;\n        int dyCCorner = dyRCCorner.y;\n\n        // Convolve dy(?, ?, d) with pos mask(:, :, d) to get dx(xR, xC, d).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n        for (int wR = 0; wR < "+a+";\n          wR += "+r+") {\n          float dyR = float(dyRCorner + wR) / "+t+".0;\n\n          if (dyR < 0.0 || dyR >= "+e.outHeight+".0 || fract(dyR) > 0.0) {\n            continue;\n          }\n          int idyR = int(dyR);\n\n          for (int wC = 0; wC < "+i+"; wC++) {\n            float dyC = float(dyCCorner + wC) / "+n+".0;\n\n            if (dyC < 0.0 || dyC >= "+e.outWidth+".0 ||\n                fract(dyC) > 0.0) {\n              continue;\n            }\n            int idyC = int(dyC);\n\n            float dyValue = getDy(b, idyR, idyC, d);\n            int maxPosValue = "+u+" - int(getMaxPos(b, idyR, idyC, d));\n\n            // Get the current value, check it against the value from the\n            // position matrix.\n            int curPosValue = wR * "+i+" + wC;\n            float mask = float(maxPosValue == curPosValue ? 1.0 : 0.0);\n\n            dotProd += dyValue * mask;\n          }\n        }\n        setOutput(dotProd);\n      }\n    "},X0=function(e){this.variableNames=["dy","maxPos"],this.outputShape=e.inShape;var t=e.strideDepth,n=e.strideHeight,r=e.strideWidth,a=e.dilationDepth,i=e.dilationHeight,o=e.dilationWidth,s=e.effectiveFilterDepth,u=e.effectiveFilterHeight,l=e.effectiveFilterWidth,c=s-1-e.padInfo.front,p=u-1-e.padInfo.top,h=l-1-e.padInfo.left,f=s*u*l-1;this.userCode="\n      const ivec3 pads = ivec3("+c+", "+p+", "+h+");\n\n      void main() {\n        ivec5 coords = getOutputCoords();\n        int batch = coords.x;\n        int ch = coords.u;\n\n        ivec3 dyCorner = ivec3(coords.y, coords.z, coords.w) - pads;\n        int dyDCorner = dyCorner.x;\n        int dyRCorner = dyCorner.y;\n        int dyCCorner = dyCorner.z;\n\n        // Convolve dy(?, ?, ?, ch) with pos mask(:, :, :, d) to get\n        // dx(xD, xR, xC, ch).\n        // ? = to be determined. : = across all values in that axis.\n        float dotProd = 0.0;\n\n        for (int wD = 0; wD < "+s+";\n           wD += "+a+") {\n          float dyD = float(dyDCorner + wD) / "+t+".0;\n\n          if (dyD < 0.0 || dyD >= "+e.outDepth+".0 || fract(dyD) > 0.0) {\n            continue;\n          }\n          int idyD = int(dyD);\n\n          for (int wR = 0; wR < "+u+";\n              wR += "+i+") {\n            float dyR = float(dyRCorner + wR) / "+n+".0;\n\n            if (dyR < 0.0 || dyR >= "+e.outHeight+".0 ||\n                fract(dyR) > 0.0) {\n              continue;\n            }\n            int idyR = int(dyR);\n\n            for (int wC = 0; wC < "+l+";\n                wC += "+o+") {\n              float dyC = float(dyCCorner + wC) / "+r+".0;\n\n              if (dyC < 0.0 || dyC >= "+e.outWidth+".0 ||\n                  fract(dyC) > 0.0) {\n                continue;\n              }\n              int idyC = int(dyC);\n\n              float dyValue = getDy(batch, idyD, idyR, idyC, ch);\n              int maxPosValue = "+f+" -\n                  int(getMaxPos(batch, idyD, idyR, idyC, ch));\n\n              // Get the current value, check it against the value from the\n              // position matrix.\n              int curPosValue =\n                  wD * "+u+" * "+l+" +\n                  wR * "+l+" + wC;\n              float mask = float(maxPosValue == curPosValue ? 1.0 : 0.0);\n\n              dotProd += dyValue * mask;\n            }\n          }\n        }\n        setOutput(dotProd);\n      }\n    "};var Y0={kernelName:mb,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.dy,i=t.input,o=r.filterSize,s=r.strides,u=r.pad,l=r.dimRoundingMode,c=CS(i.shape,o,s,[1,1,1],u,l),p=new JZ(c,"max",!0),h=n.runWebGLProgram(p,[i],i.dtype),f=new X0(c),d=n.runWebGLProgram(f,[a,h],i.dtype);return n.disposeIntermediateTensorInfo(h),d}};var J0={kernelName:fb,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.dy,i=t.input,o=i;WX([i,t.output],"maxPoolGrad");var s=r.filterSize,u=r.strides,l=r.pad,c=r.dimRoundingMode,p=ES(o.shape,s,u,1,l,c),h=new YZ(p,"max",!0),f=n.runWebGLProgram(h,[o],o.dtype),d=new K0(p),m=n.runWebGLProgram(d,[a,f],o.dtype);return n.disposeIntermediateTensorInfo(f),m}};var Z0={kernelName:vb,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.attrs,r=e.backend,a=t.x,i=n.filterSize,o=n.strides,s=n.pad,u=n.includeBatchInIndex,l=r;Uv(4===a.shape.length,(function(){return"Error in maxPool: input must be rank 4 but got rank "+a.shape.length+"."}));var c=[1,1];Uv(zS(o,c),(function(){return"Error in maxPool: Either strides or dilations must be 1. Got strides "+o+" and dilations '"+c+"'"}));var p=ES(a.shape,i,o,c,s),h=function(e,t,n,r){var a=new YZ(n,"max",!1),i=r.runWebGLProgram(a,[e],"float32");return a=new YZ(n,"max",!0,!0,t),[i,r.runWebGLProgram(a,[e],"float32")]}(a,u,p,l);return[h[0],h[1]]}};var Q0={kernelName:gb,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.attrs,r=e.backend,a=t.x,i=n.keepDims,o=n.axis,s=r,u=a.shape.length,l=Qv(o,a.shape),c=l,p=zT(c,u),h=null!=p,f=s.shouldExecuteOnCPU([a]),d=[],m=a;if(h){if(f){for(var v=s.texData.get(m.dataId).values,g=new Array(u),y=0;y<g.length;y++)g[y]=a.shape[p[y]];var b=vJ(v,a.shape,a.dtype,p,g);m=s.makeTensorInfo(g,a.dtype),s.texData.get(m.dataId).values=b}else m=pZ(a,p,s);d.push(m),c=BT(c.length,u)}LT("sum",c,u);var x=OT(m.shape,c),w=x[0],k=x[1],N=w;i&&(N=MT(w,l));for(var I=function(e,t,n,r){var a=Hv(t),i=aZ({inputs:{x:e},attrs:{shape:[Hv(e.shape)/a,a]},backend:r}),o=uZ(i,"float32","mean",r),s=aZ({inputs:{x:o},attrs:{shape:n},backend:r});return r.disposeIntermediateTensorInfo(i),r.disposeIntermediateTensorInfo(o),s}(m,k,N,s),S=0,T=d;S<T.length;S++){var E=T[S];s.disposeIntermediateTensorInfo(E)}return I}};var $0={kernelName:yb,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.axis,o=r.keepDims,s=a.shape.length,u=Qv(i,a.shape),l=u,c=zT(l,s),p=a;null!=c&&(p=dZ({inputs:{x:a},backend:n,attrs:{perm:c}}),l=BT(l.length,a.shape.length)),LT("min",l,s);var h,f=OT(p.shape,l),d=f[0],m=aZ({inputs:{x:p},backend:n,attrs:{shape:[-1,Hv(f[1])]}}),v=uZ(m,m.dtype,"min",n);return h=aZ(o?{inputs:{x:v},backend:n,attrs:{shape:MT(d,u)}}:{inputs:{x:v},backend:n,attrs:{shape:d}}),n.disposeIntermediateTensorInfo(m),n.disposeIntermediateTensorInfo(v),null!=c&&n.disposeIntermediateTensorInfo(p),h}},e1=YJ({opSnippet:"\n  if (isnan(a)) return a;\n  if (isnan(b)) return b;\n\n  return min(a, b);\n",packedOpSnippet:"\n  vec4 result = vec4(min(a, b));\n  vec4 isNaN = min(vec4(isnan(a)) + vec4(isnan(b)), vec4(1.0));\n  \n  result.r = isNaN.r > 0. ? NAN : result.r;\n  result.g = isNaN.g > 0. ? NAN : result.g;\n  result.b = isNaN.b > 0. ? NAN : result.b;\n  result.a = isNaN.a > 0. ? NAN : result.a;\n\n  return result;\n",cpuKernelImpl:XY}),t1={kernelName:bb,backendName:"webgl",kernelFunc:e1},n1=function(e,t,n){this.variableNames=["x"],this.outputShape=t.map((function(t,n){return t[0]+e[n]+t[1]}));var r=e.length,a=aY(r),i=t.map((function(e){return e[0]})).join(","),o=t.map((function(t,n){return t[0]+e[n]})).join(","),s=["coords[0]","coords[1]","coords[2]","coords[3]"].slice(0,r),u="reflect"===n?0:1;this.userCode=1!==r?"\n      "+a+" start = "+a+"("+i+");\n      "+a+" end = "+a+"("+o+");\n\n      void main() {\n        "+a+" outC = getOutputCoords();\n        for (int i = 0; i < "+r+"; i++) {\n          if (outC[i] < start[i]) {\n            outC[i] = start[i] * 2 - outC[i] - "+u+";\n          } else if(outC[i] >= end[i]) {\n            outC[i] = (end[i] - 1) * 2 - outC[i] + "+u+";\n          }\n        }\n        "+a+" coords = outC - start;\n        setOutput(getX("+s+"));\n      }\n    ":"\n        int start = "+i+";\n        int end = "+o+";\n\n        void main() {\n          int outC = getOutputCoords();\n          if (outC < start) {\n            outC = start * 2 - outC - "+u+";\n          } else if(outC >= end) {\n            outC = (end - 1) * 2 - outC + "+u+";\n          }\n          setOutput(getX(outC - start));\n        }\n      "},r1=function(e,t,n){this.variableNames=["x"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=t.map((function(t,n){return t[0]+e[n]+t[1]}));var r=e.length,a=aY(r),i=t.map((function(e){return e[0]})).join(","),o=t.map((function(t,n){return t[0]+e[n]})).join(","),s=bJ("rc",r),u=bJ("source",r),l=s[r-1]+" < "+this.outputShape[r-1],c=1===r?"source":"vec2("+u.slice(-2).join()+")",p="reflect"===n?0:1,h="";if(1===r){var f="\n        "+a+" source = rc;\n        if (source < start) {\n          source = start * 2 - source - "+p+";\n        } else if (source >= end) {\n          source = (end - 1) * 2 - source + "+p+";\n        }\n        source -= start;\n      ";h="\n        "+a+" rc = outputLoc;\n        "+f+"\n        result[0] = getChannel(getX("+u.join()+"), "+c+");\n        "+s[r-1]+" += 1;\n        if("+l+") {\n          "+f+"\n          result[1] = getChannel(getX("+u.join()+"), "+c+");\n        }\n      "}else{var d="\n        "+a+" source = rc;\n        "+a+" lt = "+a+"(lessThan(source, start));\n        "+a+" gte = "+a+"(greaterThanEqual(source, end));\n        "+a+" orig = 1 - (lt + gte);\n        source = orig * source +\n                lt * (start * 2 - source - "+p+") +\n                gte * ((end - 1) * 2 - source + "+p+");\n        source -= start;\n      ";h="\n        "+a+" rc = outputLoc;\n        "+d+"\n        result[0] = getChannel(getX("+u.join()+"), "+c+");\n        "+s[r-1]+" += 1;\n        if("+l+") {\n          "+d+"\n          result[1] = getChannel(getX("+u.join()+"), "+c+");\n        }\n        rc = outputLoc;\n        "+s[r-2]+" += 1;\n        if("+s[r-2]+" < "+this.outputShape[r-2]+") {\n          "+d+"\n          result[2] = getChannel(getX("+u.join()+"), "+c+");\n          "+s[r-1]+" += 1;\n          if("+l+") {\n            "+d+"\n            result[3] = getChannel(getX("+u.join()+"), "+c+");\n          }\n        }\n      "}this.userCode="\n      const "+a+" start = "+a+"("+i+");\n      const "+a+" end = "+a+"("+o+");\n\n      void main() {\n        "+a+" outputLoc = getOutputCoords();\n        vec4 result = vec4(0.);\n        "+h+"\n        setOutput(result);\n      }\n    "},a1={kernelName:xb,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.paddings,o=r.mode,s=Rg().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new r1(a.shape,i,o):new n1(a.shape,i,o);return n.runWebGLProgram(s,[a],a.dtype)}},i1=YJ({opSnippet:"if (b == 0.0) return NAN;\n  return mod(a, b);",packedOpSnippet:"\n  vec4 result = mod(a, b);\n  vec4 isNaN = vec4(equal(b, vec4(0.0)));\n  \n  result.r = isNaN.r > 0. ? NAN : result.r;\n  result.g = isNaN.g > 0. ? NAN : result.g;\n  result.b = isNaN.b > 0. ? NAN : result.b;\n  result.a = isNaN.a > 0. ? NAN : result.a;\n\n  return result;\n"}),o1={kernelName:wb,backendName:"webgl",kernelFunc:i1},s1=function(e,t,n){this.variableNames=["probs"],this.customUniforms=[{name:"seed",type:"float"}],this.outputShape=[e,n],this.userCode="\n      void main() {\n        ivec2 coords = getOutputCoords();\n        int batch = coords[0];\n\n        float r = random(seed);\n        float cdf = 0.0;\n\n        for (int i = 0; i < "+(t-1)+"; i++) {\n          cdf += getProbs(batch, i);\n\n          if (r < cdf) {\n            setOutput(float(i));\n            return;\n          }\n        }\n\n        // If no other event happened, last event happened.\n        setOutput(float("+(t-1)+"));\n      }\n    "},u1=YJ({opSnippet:"\nif (a == b) {\n  return 1.0;\n};\nreturn a / b;",packedOpSnippet:"\n  // vec4 one = vec4(equal(a, b));\n  // return one + (vec4(1.0) - one) * a / b;\n  vec4 result = a / b;\n  if(a.x == b.x) {\n    result.x = 1.;\n  }\n  if(a.y == b.y) {\n    result.y = 1.;\n  }\n  if(a.z == b.z) {\n    result.z = 1.;\n  }\n  if(a.w == b.w) {\n    result.w = 1.;\n  }\n\n  return result;\n",checkOutOfBounds:!0}),l1={kernelName:Ey,backendName:"webgl",kernelFunc:u1},c1="return a - b;",p1=YJ({opSnippet:c1,packedOpSnippet:c1,supportsComplex:!0,cpuKernelImpl:fJ}),h1={kernelName:wx,backendName:"webgl",kernelFunc:p1};function f1(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.logits,i=Qv([r.dim],a.shape),o=U0({inputs:{x:a},backend:n,attrs:{reductionIndices:i,keepDims:!1}}),s=MT(o.shape,i),u=aZ({inputs:{x:o},backend:n,attrs:{shape:s}}),l=p1({inputs:{a:a,b:u},backend:n}),c=D$({inputs:{x:l},backend:n}),p=hZ({inputs:{x:c},backend:n,attrs:{axis:i,keepDims:!1}}),h=aZ({inputs:{x:p},backend:n,attrs:{shape:s}}),f=u1({inputs:{a:c,b:h},backend:n});return n.disposeIntermediateTensorInfo(o),n.disposeIntermediateTensorInfo(u),n.disposeIntermediateTensorInfo(l),n.disposeIntermediateTensorInfo(c),n.disposeIntermediateTensorInfo(p),n.disposeIntermediateTensorInfo(h),f}var d1={kernelName:lx,backendName:"webgl",kernelFunc:f1};var m1={kernelName:kb,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.logits,i=r.numSamples,o=r.seed,s=r.normalized,u=s?a:f1({inputs:{logits:a},backend:n,attrs:{dim:a.shape.length-1}}),l=u.shape[0],c=u.shape[1],p=new s1(l,c,i),h=[[o]],f=n.runWebGLProgram(p,[u],"int32",h);return s||n.disposeIntermediateTensorInfo(u),f}};var v1={kernelName:Ib,backendName:"webgl",kernelFunc:function(e){var t,n=e.inputs,r=e.backend,a=n.x;if(r.shouldExecuteOnCPU([a])){var i=r.texData.get(a.dataId),o=JY(i.values,a.shape,a.dtype),s=o[0],u=o[1];return r.makeTensorInfo(u,a.dtype,s)}return t=Rg().getBool("WEBGL_PACK_UNARY_OPERATIONS")?new AJ(a.shape,"\n  vec4 result = -x;\n  bvec4 isNaN = isnan(x);\n\n  result.r = isNaN.r ? x.r : result.r;\n  result.g = isNaN.g ? x.g : result.g;\n  result.b = isNaN.b ? x.b : result.b;\n  result.a = isNaN.a ? x.a : result.a;\n\n  return result;\n"):new TJ(a.shape,"if (isnan(x)) return x;\n  return -x;\n"),r.runWebGLProgram(t,[a],a.dtype)}},g1=KR;var y1={kernelName:Tb,backendName:"webgl",kernelFunc:function(e){Px("tf.nonMaxSuppression() in webgl locks the UI thread. Call tf.nonMaxSuppressionAsync() instead");var t=e.inputs,n=e.backend,r=e.attrs,a=t.boxes,i=t.scores,o=r.maxOutputSize,s=r.iouThreshold,u=r.scoreThreshold,l=n.readSync(a.dataId),c=n.readSync(i.dataId),p=g1(l,c,o,s,u).selectedIndices;return n.makeTensorInfo([p.length],"int32",new Int32Array(p))}},b1=XR;var x1={kernelName:Eb,backendName:"webgl",kernelFunc:function(e){Px("tf.nonMaxSuppression() in webgl locks the UI thread. Call tf.nonMaxSuppressionAsync() instead");var t=e.inputs,n=e.backend,r=e.attrs,a=t.boxes,i=t.scores,o=r.maxOutputSize,s=r.iouThreshold,u=r.scoreThreshold,l=r.padToMaxOutputSize,c=n.readSync(a.dataId),p=n.readSync(i.dataId),h=b1(c,p,o,s,u,l),f=h.selectedIndices,d=h.validOutputs;return[n.makeTensorInfo([f.length],"int32",new Int32Array(f)),n.makeTensorInfo([],"int32",new Int32Array([d]))]}},w1=YR;var k1={kernelName:Cb,backendName:"webgl",kernelFunc:function(e){Px("tf.nonMaxSuppression() in webgl locks the UI thread. Call tf.nonMaxSuppressionAsync() instead");var t=e.inputs,n=e.backend,r=e.attrs,a=t.boxes,i=t.scores,o=r.maxOutputSize,s=r.iouThreshold,u=r.scoreThreshold,l=r.softNmsSigma,c=n.readSync(a.dataId),p=n.readSync(i.dataId),h=w1(c,p,o,s,u,l),f=h.selectedIndices,d=h.selectedScores;return[n.makeTensorInfo([f.length],"int32",new Int32Array(f)),n.makeTensorInfo([d.length],"float32",new Float32Array(d))]}},N1=function(e,t,n,r){this.variableNames=["indices"],this.outputShape=[e,t],this.userCode="\n      void main() {\n        ivec2 coords = getOutputCoords();\n        int index = round(getIndices(coords.x));\n        setOutput(mix(float("+r+"), float("+n+"),\n                      float(index == coords.y)));\n      }\n    "},I1={kernelName:Ab,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.indices,i=r.depth,o=r.onValue,s=r.offValue,u=Hv(a.shape),l=new N1(u,i,o,s),c=aZ({inputs:{x:a},backend:n,attrs:{shape:[u]}}),p=n.runWebGLProgram(l,[c],a.dtype);n.disposeIntermediateTensorInfo(c);var h=aZ({inputs:{x:p},backend:n,attrs:{shape:[].concat(a.shape,[i])}});return n.disposeIntermediateTensorInfo(p),h}};function S1(e){var t=e.inputs,n=e.backend,r=t.x;if("complex64"===r.dtype){var a=gQ({inputs:{input:r},backend:n}),i=S1({inputs:{x:a},backend:n}),o=FQ({inputs:{input:r},backend:n}),s=S1({inputs:{x:o},backend:n}),u=WJ({inputs:{real:i,imag:s},backend:n});return n.disposeIntermediateTensorInfo(a),n.disposeIntermediateTensorInfo(i),n.disposeIntermediateTensorInfo(o),n.disposeIntermediateTensorInfo(s),u}return j$({attrs:{shape:r.shape,dtype:r.dtype,value:"string"===r.dtype?"":0},backend:n})}var T1={kernelName:_x,backendName:"webgl",kernelFunc:S1};var E1={kernelName:Rb,backendName:"webgl",kernelFunc:function e(t){var n=t.inputs,r=t.backend,a=n.x;if("string"===a.dtype)throw new Error("onesLike is not supported under string dtype");if("complex64"===a.dtype){var i=gQ({inputs:{input:a},backend:r}),o=e({inputs:{x:i},backend:r}),s=FQ({inputs:{input:a},backend:r}),u=S1({inputs:{x:s},backend:r}),l=WJ({inputs:{real:o,imag:u},backend:r});return r.disposeIntermediateTensorInfo(i),r.disposeIntermediateTensorInfo(o),r.disposeIntermediateTensorInfo(s),r.disposeIntermediateTensorInfo(u),l}return j$({attrs:{shape:a.shape,dtype:a.dtype,value:1},backend:r})}};var C1={kernelName:_b,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs.axis;if(1===t.length)return M$({inputs:{input:t[0]},backend:n,attrs:{dim:r}});var a=t[0].shape,i=t[0].dtype;t.forEach((function(e){Vv(a,e.shape,"All tensors passed to stack must have matching shapes"),Uv(i===e.dtype,(function(){return"All tensors passed to stack must have matching dtypes"}))}));var o=[],s=MQ({inputs:t.map((function(e){var t=M$({inputs:{input:e},backend:n,attrs:{dim:r}});return o.push(t),t})),backend:n,attrs:{axis:r}});return o.forEach((function(e){return n.disposeIntermediateTensorInfo(e)})),s}},R1=function(e,t,n){this.variableNames=["x"],this.customUniforms=[{name:"value",type:"float"}],this.outputShape=t.map((function(t,n){return t[0]+e[n]+t[1]}));var r=e.length,a=aY(r),i=t.map((function(e){return e[0]})).join(","),o=t.map((function(t,n){return t[0]+e[n]})).join(","),s=["coords[0]","coords[1]","coords[2]","coords[3]"].slice(0,r);this.userCode=1!==r?"\n      "+a+" start = "+a+"("+i+");\n      "+a+" end = "+a+"("+o+");\n\n      void main() {\n        "+a+" outC = getOutputCoords();\n        if (any(lessThan(outC, start)) || any(greaterThanEqual(outC, end))) {\n          setOutput(value);\n        } else {\n          "+a+" coords = outC - start;\n          setOutput(getX("+s+"));\n        }\n      }\n    ":"\n        int start = "+i+";\n        int end = "+o+";\n\n        void main() {\n          int outC = getOutputCoords();\n          if (outC < start || outC >= end) {\n            setOutput(value);\n          } else {\n            setOutput(getX(outC - start));\n          }\n        }\n      "},A1=function(e,t,n){this.variableNames=["x"],this.packedInputs=!0,this.packedOutput=!0,this.customUniforms=[{name:"value",type:"float"}],this.outputShape=t.map((function(t,n){return t[0]+e[n]+t[1]}));for(var r=e.length,a=aY(r),i=t.map((function(e){return e[0]})).join(","),o=t.map((function(t,n){return t[0]+e[n]})).join(","),s=bJ("rc",r),u=bJ("source",r),l=s[r-1]+" < "+this.outputShape[r-1],c=1===r?"source":"vec2("+u.slice(-2).join()+")",p=[a+" rc = outputLoc;",s[r-1]+" += 1;\n       if("+l+") {\n      ",1===r?"":"}\n       rc = outputLoc;\n       "+s[r-2]+" += 1;\n       if("+s[r-2]+" < "+this.outputShape[r-2]+") {",1===r?"":"  "+s[r-1]+" += 1;\n         if("+l+") {"],h=1===r?"rc < start || rc >= end":"any(lessThan(rc, start)) || any(greaterThanEqual(rc, end))",f="",d=0,m=1===r?2:4;d<m;d++)f+="\n        "+p[d]+"\n        if ("+h+") {\n          result["+d+"] = float(value);\n        } else {\n          "+a+" source = rc - start;\n          result["+d+"] = getChannel(getX("+u.join()+"), "+c+");\n        }\n      ";f+=1===r?"} ":"}}",this.userCode="\n      const "+a+" start = "+a+"("+i+");\n      const "+a+" end = "+a+"("+o+");\n\n      void main() {\n        "+a+" outputLoc = getOutputCoords();\n        vec4 result = vec4(0.);\n        "+f+"\n        setOutput(result);\n      }\n    "},_1=function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.paddings,o=r.constantValue;if(0===Hv(a.shape))return j$({backend:n,attrs:{shape:i.map((function(e,t){return e[0]+a.shape[t]+e[1]})),value:o,dtype:a.dtype}});var s=Rg().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new A1(a.shape,i,o):new R1(a.shape,i,o),u=[[o]];return n.runWebGLProgram(s,[a],a.dtype,u)},F1={kernelName:Fb,backendName:"webgl",kernelFunc:_1},D1=YJ({opSnippet:"\n  if(a < 0.0 && floor(b) < b){\n    return NAN;\n  }\n  if (b == 0.0) {\n    return 1.0;\n  }\n  return (round(mod(b, 2.0)) != 1) ?\n      pow(abs(a), b) : sign(a) * pow(abs(a), b);\n",packedOpSnippet:"\n  // isModRound1 has 1 for components with round(mod(b, 2.0)) == 1, 0 otherwise.\n  vec4 isModRound1 = vec4(equal(round(mod(b, 2.0)), ivec4(1)));\n  vec4 multiplier = sign(a) * isModRound1 + (vec4(1.0) - isModRound1);\n  vec4 result = multiplier * pow(abs(a), b);\n\n  // Ensure that a^0 = 1, including 0^0 = 1 as this correspond to TF and JS\n  bvec4 isExpZero = equal(b, vec4(0.0));\n  result.r = isExpZero.r ? 1.0 : result.r;\n  result.g = isExpZero.g ? 1.0 : result.g;\n  result.b = isExpZero.b ? 1.0 : result.b;\n  result.a = isExpZero.a ? 1.0 : result.a;\n\n  vec4 isNaN = vec4(lessThan(a, vec4(0.0))) * vec4(lessThan(floor(b), b));\n  \n  result.r = isNaN.r > 0. ? NAN : result.r;\n  result.g = isNaN.g > 0. ? NAN : result.g;\n  result.b = isNaN.b > 0. ? NAN : result.b;\n  result.a = isNaN.a > 0. ? NAN : result.a;\n\n  return result;\n"}),O1={kernelName:Db,backendName:"webgl",kernelFunc:D1};var M1={kernelName:Mb,backendName:"webgl",kernelFunc:function(e){var t,n=e.inputs,r=e.backend,a=e.attrs,i=n.x,o=a.axis,s=a.keepDims,u=i.shape.length,l=[],c=Qv(o,i.shape),p=c,h=zT(p,u),f=i;if(null!=h&&(f=dZ({inputs:{x:i},backend:r,attrs:{perm:h}}),p=BT(p.length,u),l.push(f)),LT("prod",p,u),r.shouldExecuteOnCPU([f])){var d=r.texData.get(f.dataId).values,m=QY(f.shape,f.dtype,d,p),v=m.outVals,g=m.outShape,y=m.outDtype;t=r.makeTensorInfo(g,y,v)}else{var b=OT(f.shape,p),x=b[0],w=Hv(b[1]),k=aZ({inputs:{x:f},backend:r,attrs:{shape:[-1,w]}}),N=uZ(k,ak(i.dtype),"prod",r);t=aZ({inputs:{x:N},backend:r,attrs:{shape:x}}),l.push(k),l.push(N)}if(s){l.push(t);var I=MT(t.shape,c);t=aZ({inputs:{x:t},backend:r,attrs:{shape:I}})}return l.forEach((function(e){return r.disposeIntermediateTensorInfo(e)})),t}},L1=function(e){var t=e.backend,n=e.attrs,r=n.start,a=n.stop,i=n.step,o=n.dtype,s=$Y(r,a,i,o);return t.makeTensorInfo([s.length],o,s)},z1={kernelName:Lb,backendName:"webgl",kernelFunc:L1},P1=XJ({opSnippet:"return 1.0 / x;"}),B1={kernelName:Pb,backendName:"webgl",kernelFunc:P1},W1=XJ({opSnippet:"if (isnan(x)) return x;\n  return (x < 0.0) ? 0.0 : x;\n",packedOpSnippet:"\n  vec4 result = x * vec4(greaterThanEqual(x, vec4(0.0)));\n  bvec4 isNaN = isnan(x);\n\n  result.r = isNaN.r ? x.r : result.r;\n  result.g = isNaN.g ? x.g : result.g;\n  result.b = isNaN.b ? x.b : result.b;\n  result.a = isNaN.a ? x.a : result.a;\n\n  return result;\n"}),U1={kernelName:Bb,backendName:"webgl",kernelFunc:W1},V1=XJ({opSnippet:"if (isnan(x)) return x;\n  return (x < 0.0) ? 0.0 : min(6.0, x);\n",packedOpSnippet:"\n  vec4 result = min(x, vec4(6.)) * vec4(greaterThanEqual(x, vec4(0.0)));\n  bvec4 isNaN = isnan(x);\n\n  result.r = isNaN.r ? x.r : result.r;\n  result.g = isNaN.g ? x.g : result.g;\n  result.b = isNaN.b ? x.b : result.b;\n  result.a = isNaN.a ? x.a : result.a;\n\n  return result;\n"}),G1={kernelName:Hb,backendName:"webgl",kernelFunc:V1},j1=function(e,t,n,r,a){this.variableNames=["A"],this.outputShape=[];var i=e[0],o=e[1],s=e[2],u=e[3];this.outputShape=[i,t,n,u];var l,c=[r&&t>1?o-1:o,r&&n>1?s-1:s],p=[r&&t>1?t-1:t,r&&n>1?n-1:n];l=a?"(vec2(yRC) + vec2(0.5)) * effectiveInputOverOutputRatioRC - vec2(0.5)":"vec2(yRC) * effectiveInputOverOutputRatioRC",this.userCode="\n      const vec2 effectiveInputOverOutputRatioRC = vec2(\n          "+c[0]/p[0]+",\n          "+c[1]/p[1]+");\n      const vec2 inputShapeRC = vec2("+o+".0, "+s+".0);\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int d = coords[3];\n        ivec2 yRC = coords.yz;\n\n        // Fractional source index.\n        vec2 sourceFracIndexRC = "+l+";\n\n        // Compute the four integer indices.\n        ivec2 sourceFloorRC = ivec2(max(sourceFracIndexRC, vec2(0.0)));\n        ivec2 sourceCeilRC = ivec2(\n          min(inputShapeRC - 1.0, ceil(sourceFracIndexRC)));\n\n        float topLeft = getA(b, sourceFloorRC.x, sourceFloorRC.y, d);\n        float bottomLeft = getA(b, sourceCeilRC.x, sourceFloorRC.y, d);\n        float topRight = getA(b, sourceFloorRC.x, sourceCeilRC.y, d);\n        float bottomRight = getA(b, sourceCeilRC.x, sourceCeilRC.y, d);\n\n        vec2 fracRC = sourceFracIndexRC - vec2(sourceFloorRC);\n\n        float top = topLeft + (topRight - topLeft) * fracRC.y;\n        float bottom = bottomLeft + (bottomRight - bottomLeft) * fracRC.y;\n        float newValue = top + (bottom - top) * fracRC.x;\n\n        setOutput(newValue);\n      }\n    "},H1=function(e,t,n,r,a){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=[];var i=e[0],o=e[1],s=e[2],u=e[3];this.outputShape=[i,t,n,u];var l,c=[r&&t>1?o-1:o,r&&n>1?s-1:s],p=[r&&t>1?t-1:t,r&&n>1?n-1:n];l=a?"(vec3(yRC) + vec3(0.5)) * effectiveInputOverOutputRatioRC - vec3(0.5)":"vec3(yRC) * effectiveInputOverOutputRatioRC",this.userCode="\n      const vec3 effectiveInputOverOutputRatioRC = vec3(\n          "+c[0]/p[0]+",\n          "+c[1]/p[1]+",\n          "+c[1]/p[1]+");\n      const vec3 inputShapeRC = vec3("+o+".0, "+s+".0,\n                                     "+s+".0);\n\n      float getAValue(int b, int r, int c, int d) {\n        return getChannel(getA(b, r, c, d), vec2(c, d));\n      }\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int d = coords[3];\n        // Calculate values for next column in yRC.z.\n        ivec3 yRC = coords.yzz + ivec3(0, 0, 1);\n\n        // Fractional source index.\n        vec3 sourceFracIndexRC = "+l+";\n\n        // Compute the four integer indices.\n        ivec3 sourceFloorRC = ivec3(max(sourceFracIndexRC, vec3(0.0)));\n        ivec3 sourceCeilRC = ivec3(\n          min(inputShapeRC - 1.0, ceil(sourceFracIndexRC)));\n\n        // Should we calculate next column and row elements in 2x2 packed cell.\n        bool hasNextCol = d < "+(u-1)+";\n        bool hasNextRow = coords.z < "+(n-1)+";\n\n        // In parallel, construct four corners for all four components in\n        // packed 2x2 cell.\n        vec4 topLeft = vec4(\n          getAValue(b, sourceFloorRC.x, sourceFloorRC.y, d),\n          hasNextCol ? getAValue(b, sourceFloorRC.x, sourceFloorRC.y, d + 1)\n                     : 0.0,\n          hasNextRow ? getAValue(b, sourceFloorRC.x, sourceFloorRC.z, d)\n                     : 0.0,\n          (hasNextRow && hasNextCol) ?\n            getAValue(b, sourceFloorRC.x, sourceFloorRC.z, d + 1) : 0.0);\n\n        vec4 bottomLeft = vec4(\n          getAValue(b, sourceCeilRC.x, sourceFloorRC.y, d),\n          hasNextCol ? getAValue(b, sourceCeilRC.x, sourceFloorRC.y, d + 1)\n                     : 0.0,\n          hasNextRow ? getAValue(b, sourceCeilRC.x, sourceFloorRC.z, d)\n                     : 0.0,\n          (hasNextRow && hasNextCol) ?\n            getAValue(b, sourceCeilRC.x, sourceFloorRC.z, d + 1) : 0.0);\n\n        vec4 topRight = vec4(\n          getAValue(b, sourceFloorRC.x, sourceCeilRC.y, d),\n          hasNextCol ? getAValue(b, sourceFloorRC.x, sourceCeilRC.y, d + 1)\n                     : 0.0,\n          hasNextRow ? getAValue(b, sourceFloorRC.x, sourceCeilRC.z, d)\n                     : 0.0,\n          (hasNextRow && hasNextCol) ?\n            getAValue(b, sourceFloorRC.x, sourceCeilRC.z, d + 1) : 0.0);\n\n        vec4 bottomRight = vec4(\n          getAValue(b, sourceCeilRC.x, sourceCeilRC.y, d),\n          hasNextCol ? getAValue(b, sourceCeilRC.x, sourceCeilRC.y, d + 1)\n                     : 0.0,\n          hasNextRow ? getAValue(b, sourceCeilRC.x, sourceCeilRC.z, d)\n                     : 0.0,\n          (hasNextRow && hasNextCol) ?\n            getAValue(b, sourceCeilRC.x, sourceCeilRC.z, d + 1) : 0.0);\n\n        vec3 fracRC = sourceFracIndexRC - vec3(sourceFloorRC);\n\n        vec4 top = mix(topLeft, topRight, fracRC.yyzz);\n        vec4 bottom = mix(bottomLeft, bottomRight, fracRC.yyzz);\n        vec4 newValue = mix(top, bottom, fracRC.x);\n\n        setOutput(newValue);\n      }\n    "};var q1={kernelName:Gb,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.images,i=r.alignCorners,o=r.halfPixelCenters,s=r.size,u=s[0],l=s[1],c=Rg().getBool("WEBGL_PACK_IMAGE_OPERATIONS")?new H1(a.shape,u,l,i,o):new j1(a.shape,u,l,i,o);return n.runWebGLProgram(c,[a],"float32")}},K1=function(e,t,n){this.variableNames=["dy"],this.outputShape=[],this.outputShape=t;var r=t[1],a=t[2],i=e[1],o=e[2],s=[n&&i>1?r-1:r,n&&o>1?a-1:a],u=[n&&i>1?i-1:i,n&&o>1?o-1:o],l=s[0]/u[0],c=s[1]/u[1],p=1/l,h=1/c,f=2*Math.ceil(p)+2,d=2*Math.ceil(h)+2;this.userCode="\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int d = coords[3];\n        int r = coords[1];\n        int c = coords[2];\n\n        float accumulator = 0.0;\n\n        const float heightScale = float("+l+");\n        const float widthScale = float("+c+");\n\n        const float invHeightScale = float("+p+");\n        const float invWidthScale = float("+h+");\n\n        const int winHeight = int("+f+");\n        const int winWidth = int("+d+");\n\n        // Compute bounds for where in dy we will look\n        float startRLerp = floor(float(r) * invHeightScale);\n        int startDyR = int(startRLerp - float(winHeight / 2));\n\n        float startCLerp = floor(float(c) * invWidthScale);\n        int startDyC = int(startCLerp - float(winWidth / 2));\n\n        // Loop over dy\n        for (int dyROffset = 0; dyROffset < winHeight; dyROffset++) {\n          int dyR = dyROffset + startDyR;\n\n          // Guard against the window exceeding the bounds of dy\n          if (dyR < 0 || dyR >= "+i+") {\n            continue;\n          }\n\n          for (int dyCOffset = 0; dyCOffset < winWidth; dyCOffset++) {\n            int dyC = dyCOffset + startDyC;\n\n            // Guard against the window exceeding the bounds of dy\n            if (dyC < 0 || dyC >= "+o+") {\n              continue;\n            }\n\n            float dxR = float(dyR) * heightScale;\n            int topDxRIndex = int(floor(dxR));\n            int bottomDxRIndex = int(min(ceil(dxR), "+(r-1)+".0));\n            float dxRLerp = dxR - float(topDxRIndex);\n            float inverseDxRLerp = 1.0 - dxRLerp;\n\n            float dxC = float(dyC) * widthScale;\n            int leftDxCIndex = int(floor(dxC));\n            int rightDxCIndex = int(min(ceil(dxC), "+(a-1)+".0));\n            float dxCLerp = dxC - float(leftDxCIndex);\n            float inverseDxCLerp = 1.0 - dxCLerp;\n\n            if (r == topDxRIndex && c == leftDxCIndex) {\n              // topLeft\n              accumulator +=\n                getDy(b, dyR, dyC, d) * inverseDxRLerp * inverseDxCLerp;\n            }\n\n            if (r == topDxRIndex && c == rightDxCIndex) {\n              // topRight\n              accumulator += getDy(b, dyR, dyC, d) * inverseDxRLerp * dxCLerp;\n            }\n\n            if (r == bottomDxRIndex && c == leftDxCIndex) {\n              // bottomLeft\n              accumulator += getDy(b, dyR, dyC, d) * dxRLerp * inverseDxCLerp;\n            }\n\n            if (r == bottomDxRIndex && c == rightDxCIndex) {\n              // bottomRight\n              accumulator += getDy(b, dyR, dyC, d) * dxRLerp * dxCLerp;\n            }\n          }\n        }\n        // End loop over dy\n\n        setOutput(accumulator);\n      }\n    "};var X1={kernelName:jb,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.images,i=t.dy,o=r.alignCorners,s=new K1(i.shape,a.shape,o);return n.runWebGLProgram(s,[i],i.dtype)}},Y1=function(e,t,n,r,a){this.variableNames=["A"],this.outputShape=[];var i=e[0],o=e[1],s=e[2],u=e[3];this.outputShape=[i,t,n,u];var l,c=[r&&t>1?o-1:o,r&&n>1?s-1:s],p=[r&&t>1?t-1:t,r&&n>1?n-1:n],h=r?"0.5":"0.0";l=a?"max((vec2(yRC) + vec2(0.5)) * effectiveInputOverOutputRatioRC, vec2(0.0))":"vec2(yRC) * effectiveInputOverOutputRatioRC",this.userCode="\n      const vec2 effectiveInputOverOutputRatioRC = vec2(\n          "+c[0]/p[0]+",\n          "+c[1]/p[1]+");\n      const vec2 inputShapeRC = vec2("+o+".0, "+s+".0);\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int d = coords[3];\n        ivec2 yRC = coords.yz;\n\n        // Fractional source index.\n        vec2 sourceFracIndexRC = "+l+";\n\n        // Compute the coordinators of nearest neighbor point.\n        ivec2 sourceNearestRC = ivec2(\n          min(inputShapeRC - 1.0, floor(sourceFracIndexRC + "+h+")));\n        float newValue = getA(b, sourceNearestRC.x, sourceNearestRC.y, d);\n\n        setOutput(newValue);\n      }\n    "},J1=function(e,t,n,r,a){this.variableNames=["A"],this.packedInputs=!0,this.packedOutput=!0,this.outputShape=[];var i=e[0],o=e[1],s=e[2],u=e[3];this.outputShape=[i,t,n,u];var l,c=[r&&t>1?o-1:o,r&&n>1?s-1:s],p=[r&&t>1?t-1:t,r&&n>1?n-1:n],h=r?"0.5":"0.0";l=a?"max((vec3(yRC) + vec3(0.5)) * effectiveInputOverOutputRatioRC, vec3(0.0))":"vec3(yRC) * effectiveInputOverOutputRatioRC",this.userCode="\n      const vec3 effectiveInputOverOutputRatioRC = vec3(\n          "+c[0]/p[0]+",\n          "+c[1]/p[1]+",\n          "+c[1]/p[1]+");\n      const vec3 inputShapeRC = vec3("+o+".0, "+s+".0,\n                                     "+s+".0);\n\n      float getAValue(int b, int r, int c, int d) {\n        return getChannel(getA(b, r, c, d), vec2(c, d));\n      }\n\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int d = coords[3];\n        // Calculate values for next column in yRC.z.\n        ivec3 yRC = coords.yzz + ivec3(0, 0, 1);\n\n        // Fractional source index.\n        vec3 sourceFracIndexRC = "+l+";\n\n        // Compute the coordinators of nearest neighbor point.\n        ivec3 sourceNearestRC = ivec3(\n          min(inputShapeRC - 1.0, floor(sourceFracIndexRC + "+h+")));\n\n        // Should we calculate next column and row elements in 2x2 packed cell.\n        bool hasNextCol = d < "+(u-1)+";\n        bool hasNextRow = coords.z < "+(n-1)+";\n\n        vec4 newValue = vec4(\n          getAValue(b, sourceNearestRC.x, sourceNearestRC.y, d),\n          hasNextCol ? getAValue(b, sourceNearestRC.x, sourceNearestRC.y, d + 1)\n                     : 0.0,\n          hasNextRow ? getAValue(b, sourceNearestRC.x, sourceNearestRC.z, d)\n                     : 0.0,\n          (hasNextRow && hasNextCol) ?\n            getAValue(b, sourceNearestRC.x, sourceNearestRC.z, d + 1) : 0.0);\n\n        setOutput(newValue);\n      }\n    "};var Z1={kernelName:Ub,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.images,i=r.alignCorners,o=r.halfPixelCenters,s=r.size,u=s[0],l=s[1],c=Rg().getBool("WEBGL_PACK_IMAGE_OPERATIONS")?new J1(a.shape,u,l,i,o):new Y1(a.shape,u,l,i,o);return n.runWebGLProgram(c,[a],a.dtype)}},Q1=function(e,t,n){this.variableNames=["dy"],this.outputShape=[],this.outputShape=t;var r=t[1],a=t[2],i=e[1],o=e[2],s=[n&&i>1?r-1:r,n&&o>1?a-1:a],u=[n&&i>1?i-1:i,n&&o>1?o-1:o],l=s[0]/u[0],c=s[1]/u[1],p=1/l,h=1/c,f=2*Math.ceil(p)+2,d=2*Math.ceil(h)+2;this.userCode="\n      void main() {\n        ivec4 coords = getOutputCoords();\n        int b = coords[0];\n        int d = coords[3];\n        int r = coords[1];\n        int c = coords[2];\n\n        float accumulator = 0.0;\n\n        const float heightScale = float("+l+");\n        const float widthScale = float("+c+");\n\n        const float invHeightScale = float("+p+");\n        const float invWidthScale = float("+h+");\n\n        const int winHeight = int("+f+");\n        const int winWidth = int("+d+");\n\n        // Compute bounds for where in dy we will look\n        float startRLerp = floor(float(r) * invHeightScale);\n        int startDyR = int(floor(startRLerp - float(winHeight / 2)));\n\n        float startCLerp = floor(float(c) * invWidthScale);\n        int startDyC = int(floor(startCLerp - float(winWidth / 2)));\n\n        // Loop over dy\n        for (int dyROffset = 0; dyROffset < winHeight; dyROffset++) {\n          int dyR = dyROffset + startDyR;\n\n          // Guard against the window exceeding the bounds of dy\n          if (dyR < 0 || dyR >= "+i+") {\n            continue;\n          }\n\n          for (int dyCOffset = 0; dyCOffset < winWidth; dyCOffset++) {\n            int dyC = dyCOffset + startDyC;\n\n            // Guard against the window exceeding the bounds of dy\n            if (dyC < 0 || dyC >= "+o+") {\n              continue;\n            }\n\n            float sourceFracRow =\n              float("+s[0]+") *\n                (float(dyR) / float("+u[0]+"));\n\n            float sourceFracCol =\n                float("+s[1]+") *\n                  (float(dyC) / float("+u[1]+"));\n\n            int sourceNearestRow = int(min(\n                float(int("+r+") - 1),\n                "+n+" ? float(round(sourceFracRow)) :\n                                  float(floor(sourceFracRow))));\n\n            int sourceNearestCol = int(min(\n                float(int("+a+") - 1),\n                "+n+" ? float(round(sourceFracCol)) :\n                                  float(floor(sourceFracCol))));\n\n            if (r == sourceNearestRow && c == sourceNearestCol) {\n              accumulator += getDy(b, dyR, dyC, d);\n            }\n          }\n        }\n        // End loop over dy\n\n        setOutput(accumulator);\n      }\n    "};var $1={kernelName:Vb,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.images,i=t.dy,o=r.alignCorners,s=new Q1(i.shape,a.shape,o);return n.runWebGLProgram(s,[i],i.dtype)}},e2=function(e,t){this.variableNames=["x"];var n=e.length;if(n>4)throw new Error("WebGL backend: Reverse of rank-"+n+" tensor is not yet supported");if(this.outputShape=e,1!==n){var r=e.map((function(n,r){return function(n){return-1!==t.indexOf(n)&&1!==e[n]?e[n]+" - coords["+n+"] - 1":"coords["+n+"]"}(r)})).join(","),a=aY(n);this.userCode="\n      void main() {\n        "+a+" coords = getOutputCoords();\n        setOutput(getX("+r+"));\n      }\n    "}else this.userCode="\n        void main() {\n          int coord = getOutputCoords();\n          setOutput(getX("+e[0]+" - coord - 1));\n        }\n      "},t2=function(e,t){this.variableNames=["x"],this.packedInputs=!0,this.packedOutput=!0;var n=e.length;if(n>4)throw new Error("WebGL backend: Reverse of rank-"+n+" tensor is not yet supported");this.outputShape=e;var r=bJ("rc",n),a=r[n-1]+" + 1 < "+this.outputShape[n-1],i=r[n-2]+" + 1 < "+this.outputShape[n-2],o=aY(n);function s(n){var r=e.map((function(r,a){return function(n,r){return-1!==t.indexOf(n)&&1!==e[n]?e[n]+" - "+r[n]+" - 1":""+r[n]}(a,n)}));return"getChannel(getX("+r.join(",")+"), vec2("+r.slice(-2).join(",")+"))"}this.userCode=1===n?"\n        void main(){\n          int rc = getOutputCoords();\n          vec4 result = vec4(0.);\n          result.r = getChannel(getX("+e[0]+" - rc - 1),\n            "+e[0]+" - rc - 1);\n          if("+a+"){\n              result.g = getChannel(getX("+e[0]+" - (rc  + 1) - 1),\n                "+e[0]+" - (rc  + 1) - 1);\n          }\n          setOutput(result);\n        }\n      ":"\n        void main() {\n          "+o+" rc = getOutputCoords();\n          vec4 result = vec4(0.);\n          result.r = "+function(e){return s(e)}(r.slice())+";\n          if("+a+"){\n            result.g = "+function(e){return e[n-1]="("+e[n-1]+" + 1)",s(e)}(r.slice())+";\n          }\n          if("+i+") {\n            result.b = "+function(e){return e[n-2]="("+e[n-2]+" + 1)",s(e)}(r.slice())+";\n            if("+a+") {\n              result.a = "+function(e){return e[n-1]="("+e[n-1]+" + 1)",e[n-2]="("+e[n-2]+" + 1)",s(e)}(r.slice())+";\n            }\n          }\n          setOutput(result);\n        }\n    "};var n2={kernelName:qb,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.dims,o=a.shape.length,s=Qv(i,a.shape);if(0===o)return PJ({inputs:{x:a},backend:n});var u=Rg().getBool("WEBGL_PACK_ARRAY_OPERATIONS")?new t2(a.shape,s):new e2(a.shape,s);return n.runWebGLProgram(u,[a],a.dtype)}},r2=function(e,t){this.variableNames=["Image"],this.outputShape=[],this.customUniforms=[{name:"params",type:"vec4"}];var n=e[1],r=e[2];this.outputShape=e;var a="";a="number"==typeof t?"float outputValue = "+t.toFixed(2)+";":"\n        vec3 fill = vec3("+t.join(",")+");\n        float outputValue = fill[coords[3]];",this.userCode="\n        void main() {\n          ivec4 coords = getOutputCoords();\n          int x = coords[2];\n          int y = coords[1];\n          float coordXFloat = (float(x) - params[0]) * params[3] -\n            (float(y) - params[1]) * params[2];\n          float coordYFloat = (float(x) - params[0]) * params[2] +\n            (float(y) - params[1]) * params[3];\n          int coordX = int(round(coordXFloat + params[0]));\n          int coordY = int(round(coordYFloat + params[1]));\n          "+a+"\n          if(coordX >= 0 && coordX < "+r+" && coordY >= 0 && coordY < "+n+") {\n            outputValue = getImage(coords[0], coordY, coordX, coords[3]);\n          }\n          setOutput(outputValue);\n        }\n    "},a2={kernelName:Ox,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.attrs,r=e.backend,a=t.image,i=n.radians,o=n.fillValue,s=n.center,u=r,l=new r2(a.shape,o),c=t_(s,a.shape[1],a.shape[2]),p=[[c[0],c[1],Math.sin(i),Math.cos(i)]];return u.runWebGLProgram(l,[a],a.dtype,p)}},i2=XJ({opSnippet:"\n  // OpenGL ES does not support round function.\n  // The algorithm is based on banker's rounding.\n  float base = floor(x);\n  if ((x - base) < 0.5) {\n    return floor(x);\n  } else if ((x - base) > 0.5) {\n    return ceil(x);\n  } else {\n    if (mod(base, 2.0) == 0.0) {\n      return base;\n    } else {\n      return base + 1.0;\n    }\n  }\n"}),o2={kernelName:Kb,backendName:"webgl",kernelFunc:i2},s2=XJ({opSnippet:"return inversesqrt(x);",cpuKernelImpl:eJ}),u2={kernelName:Xb,backendName:"webgl",kernelFunc:s2},l2=function(e,t,n,r,a,i,o){void 0===o&&(o=!0),this.variableNames=["updates","indices","defaultValue"],this.outputShape=i;var s=aY(a.length),u=aY(i.length),l="";1===n?l="i":2===n&&(l="i, j");var c="getIndices("+l+")",p="";1===r?p="i":2===r&&(p="i, coords[1]");var h="getUpdates("+p+")",f=t>1?"strides[j]":"strides";this.userCode="\n        "+s+" strides = "+s+"("+a+");\n\n        void main() {\n          "+u+" coords = getOutputCoords();\n          float sum = 0.0;\n          bool found = false;\n          for (int i = 0; i < "+e+"; i++) {\n            int flattenedIndex = 0;\n            for (int j = 0; j < "+t+"; j++) {\n              int index = round("+c+");\n              flattenedIndex += index * "+f+";\n            }\n            if (flattenedIndex == coords[0]) {\n              sum += "+h+";\n              found = true;\n            }\n          }\n          setOutput(mix(getDefaultValue(), sum, float(found)));\n        }\n      "};var c2={kernelName:Yb,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.indices,i=t.updates,o=r.shape,s=MI(0,a,o),u=s.sliceRank,l=s.numUpdates,c=s.sliceSize,p=s.strides,h=s.outputSize,f=[h/c,c];if(0===h)return n.makeTensorInfo(o,a.dtype);var d=aZ({inputs:{x:a},backend:n,attrs:{shape:[l,u]}}),m=aZ({inputs:{x:i},backend:n,attrs:{shape:[l,c]}}),v=n.makeTensorInfo([],"float32",new Float32Array([0])),g=new l2(l,u,d.shape.length,m.shape.length,p,f),y=n.runWebGLProgram(g,[m,d,v],m.dtype),b=aZ({inputs:{x:y},backend:n,attrs:{shape:o}});return n.disposeIntermediateTensorInfo(d),n.disposeIntermediateTensorInfo(m),n.disposeIntermediateTensorInfo(y),n.disposeIntermediateTensorInfo(v),b}},p2=function(e,t,n,r){this.variableNames=["sortedSequence","values"],this.customUniforms=[{name:"numInputs",type:"int"}],this.outputShape=[e,n];var a="for (int i = 0; i < "+Math.ceil(Math.log2(t+1))+"; ++i) { if (left >= right) break;",i=2===Rg().getNumber("WEBGL_VERSION")?"while (left < right) {":a,o="left"===r?"<":"<=";this.userCode="\n       int findBound(int batch, float value) {\n         int left = 0;\n         int right = numInputs;\n         int mid;\n         "+i+"\n           mid = (left + right) / 2;\n           if (getSortedSequence(batch, mid) "+o+" value) {\n             left = mid + 1;\n           } else {\n             right = mid;\n           }\n         }\n         return right;\n       }\n\n       void main() {\n         ivec2 coords = getOutputCoords();\n         int batch = coords[0];\n         int valueIndex = coords[1];\n\n         float value = getValues(batch, valueIndex);\n\n         setOutput(float(findBound(batch, value)));\n       }\n     "};var h2={kernelName:Jb,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.sortedSequence,i=t.values,o=r.side,s=new p2(a.shape[0],a.shape[1],i.shape[1],o),u=[[a.shape[1]]];return n.runWebGLProgram(s,[a,i],"int32",u)}},f2=function(e,t,n){var r,a;if(this.variableNames=["c","a","b"],this.outputShape=t,n>4)throw Error("Where for rank "+n+" is not yet supported");if(1===n)a="resRC",r="resRC";else{for(var i=["resRC.x","resRC.y","resRC.z","resRC.w"],o=[],s=[],u=0;u<t.length;u++)s.push(""+i[u]),u<e&&o.push(""+i[u]);r=o.join(),a=s.join()}var l=aY(n);this.userCode="\n      void main() {\n        "+l+" resRC = getOutputCoords();\n        float cVal = getC("+r+");\n        if (cVal >= 1.0) {\n          setOutput(getA("+a+"));\n        } else {\n          setOutput(getB("+a+"));\n        }\n      }\n    "};var d2={kernelName:Zb,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=t.condition,a=t.t,i=t.e,o=new f2(r.shape.length,a.shape,a.shape.length);return n.runWebGLProgram(o,[r,a,i],rk(a.dtype,i.dtype))}},m2=XJ({opSnippet:"\n  // Stable and Attracting Fixed Point (0, 1) for Normalized Weights.\n  // see: https://arxiv.org/abs/1706.02515\n  float scaleAlpha = 1.7580993408473768;\n  float scale = 1.0507009873554805;\n  return (x >= 0.0) ? scale * x : scaleAlpha * (exp(x) - 1.0);\n"}),v2={kernelName:Qb,backendName:"webgl",kernelFunc:m2},g2=XJ({opSnippet:"if (isnan(x)) return x;\n  return 1.0 / (1.0 + exp(-1.0 * x));\n",packedOpSnippet:"\n  vec4 result = 1.0 / (1.0 + exp(-1.0 * x));\n  bvec4 isNaN = isnan(x);\n\n  result.r = isNaN.r ? x.r : result.r;\n  result.g = isNaN.g ? x.g : result.g;\n  result.b = isNaN.b ? x.b : result.b;\n  result.a = isNaN.a ? x.a : result.a;\n\n  return result;\n",cpuKernelImpl:nJ}),y2={kernelName:rx,backendName:"webgl",kernelFunc:g2},b2=XJ({opSnippet:"\n  if (isnan(x)) { return 0.0; }\n  return sign(x);\n"}),x2={kernelName:nx,backendName:"webgl",kernelFunc:b2},w2=XJ({opSnippet:"if (isnan(x)) return x;\n  return sin(x);\n"}),k2={kernelName:ex,backendName:"webgl",kernelFunc:w2},N2=XJ({opSnippet:"\n  float e2x = exp(x);\n  return (e2x - 1.0 / e2x) / 2.0;\n"}),I2={kernelName:tx,backendName:"webgl",kernelFunc:N2},S2=XJ({opSnippet:"\n  float epsilon = 1.1920928955078125e-7;\n  float threshold = log(epsilon) + 2.0;\n\n  bool too_large = x > -threshold;\n  bool too_small = x < threshold;\n\n  float result;\n  float exp_x = exp(x);\n\n  if (too_large){\n    result = x;\n  }\n  else if (too_small){\n    result = exp_x;\n  }\n  else{\n    result = log(exp_x + 1.0);\n  }\n  return result;\n"}),T2={kernelName:ax,backendName:"webgl",kernelFunc:S2},E2={kernelName:sx,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.blockShape,o=r.paddings;Uv(a.shape.length<=4,(function(){return"spaceToBatchND for rank > 4 with a WebGL backend not implemented yet"}));var s=i.reduce((function(e,t){return e*t})),u=[[0,0]];u.push.apply(u,o);for(var l=1+i.length;l<a.shape.length;++l)u.push([0,0]);var c=[],p=_1({inputs:{x:a},backend:n,attrs:{paddings:u,constantValue:0}}),h=n_(p.shape,i,s,!1),f=r_(h.length,i.length,!1),d=a_(p.shape,i,s,!1),m=aZ({inputs:{x:p},backend:n,attrs:{shape:h}}),v=dZ({inputs:{x:m},backend:n,attrs:{perm:f}}),g=aZ({inputs:{x:v},backend:n,attrs:{shape:d}});return c.push(p),c.push(m),c.push(v),c.forEach((function(e){return n.disposeIntermediateTensorInfo(e)})),g}};var C2={kernelName:cx,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=t.indices,a=t.values,i=t.denseShape,o=t.defaultValue;if(1!==i.shape.length)throw new Error("Dense shape must be a vector, saw:\n         "+i.shape);if(2!==r.shape.length)throw new Error("Indices must be a matrix, saw:\n         "+r.shape);if(1!==a.shape.length)throw new Error("Values must be a vector, saw:\n         "+a.shape);if(0!==o.shape.length)throw new Error("Default value must be a scalar, saw:\n        "+o.shape);var s=n.readSync(r.dataId),u=n.readSync(a.dataId),l=n.readSync(i.dataId),c=n.readSync(o.dataId)[0],p=iJ(s,r.shape,r.dtype,u,a.dtype,l,c),h=p[0],f=p[1],d=p[2],m=p[3],v=p[4];return[n.makeTensorInfo(f,r.dtype,h),n.makeTensorInfo([f[0]],a.dtype,d),n.makeTensorInfo([m.length],"bool",new Uint8Array(m.map((function(e){return Number(e)})))),n.makeTensorInfo([v.length],r.dtype,new Int32Array(v))]}};var R2={kernelName:px,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=t.inputIndices,a=t.inputShape,i=t.newShape;if(2!==r.shape.length)throw new Error("Input indices should be a matrix but received shape "+r.shape);if(1!==a.shape.length)throw new Error("Input shape should be a vector but received shape "+a.shape);if(1!==i.shape.length)throw new Error("Target shape should be a vector but received shape "+i.shape);var o=Array.from(n.readSync(a.dataId)),s=n.readSync(r.dataId),u=Array.from(n.readSync(i.dataId)),l=oJ(s,r.shape,r.dtype,o,u),c=l[0],p=l[1],h=l[2];return[n.makeTensorInfo(p,r.dtype,c),n.makeTensorInfo([h.length],i.dtype,new Int32Array(h))]}};var A2={kernelName:hx,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=t.data,a=t.indices,i=t.segmentIds;if(r.shape.length<1)throw new Error("Data should be at least 1 dimensional but received scalar");if(1!==a.shape.length)throw new Error("Indices should be a vector but received shape\n              "+a.shape);if(1!==i.shape.length)throw new Error("Segment ids should be a vector but received shape\n              "+i.shape);var o=n.readSync(r.dataId),s=n.readSync(a.dataId),u=n.readSync(i.dataId),l=sJ(o,r.shape,r.dtype,s,u,!0),c=l[0],p=l[1];return n.makeTensorInfo(p,r.dtype,c)}};var _2={kernelName:fx,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=t.data,a=t.indices,i=t.segmentIds;if(r.shape.length<1)throw new Error("Data should be at least 1 dimensional but received scalar");if(1!==a.shape.length)throw new Error("Indices should be a vector but received shape\n             "+a.shape);if(1!==i.shape.length)throw new Error("Segment ids should be a vector but received shape\n             "+i.shape);var o=n.readSync(r.dataId),s=n.readSync(a.dataId),u=n.readSync(i.dataId),l=sJ(o,r.shape,r.dtype,s,u),c=l[0],p=l[1];return n.makeTensorInfo(p,r.dtype,c)}};var F2={kernelName:dx,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.sparseIndices,i=t.sparseValues,o=t.defaultValue,s=r.outputShape,u=MI(0,a,s),l=u.sliceRank,c=u.numUpdates,p=u.sliceSize,h=u.strides,f=u.outputSize;if("string"===i.dtype){var d=n.bufferSync(a),m=n.bufferSync(i),v=Lw(n.readSync(o.dataId)[0]),g=tJ(d,m,s,f,p,c,l,h,v,false);return n.makeTensorInfo(s,g.dtype,g.values)}var y=new l2(c,l,a.shape.length,i.shape.length,h,[f,1],false),b=n.runWebGLProgram(y,[i,a,o],i.dtype),x=aZ({inputs:{x:b},backend:n,attrs:{shape:s}});return n.disposeIntermediateTensorInfo(b),x}};var D2={kernelName:ux,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.numOrSizeSplits,o=Qv(r.axis,a.shape)[0],s=__(a,i,o),u=a.shape.length,l=new Array(u).fill(0),c=a.shape.slice();return s.map((function(e){var t=[].concat(c);t[o]=e;var r=cQ({inputs:{x:a},backend:n,attrs:{begin:l,size:t}});return l[o]+=e,r}))}},O2="return sqrt(x);",M2=XJ({opSnippet:O2,packedOpSnippet:O2,cpuKernelImpl:uJ}),L2={kernelName:ix,backendName:"webgl",kernelFunc:M2},z2={kernelName:vx,backendName:"webgl",kernelFunc:XJ({opSnippet:"return x * x;"})},P2="return (a - b) * (a - b);",B2=YJ({opSnippet:P2,packedOpSnippet:P2}),W2={kernelName:mx,backendName:"webgl",kernelFunc:B2};var U2={kernelName:Fx,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.attrs,r=e.backend,a=t.x,i=EJ+"\n    return x > 0.0 ? 1.0 : float("+n.alpha+");\n  ",o=new TJ(a.shape,i);return r.runWebGLProgram(o,[a],a.dtype)}},V2=function(e,t,n){this.variableNames=["x"],this.outputShape=n;var r=n.length,a=aY(n.length),i=aY(n.length),o="";if(1===r)o="coords * strides + begin";else{var s=0;o=n.map((function(e,t){return s++,1===n.length?"coords * strides["+t+"] + begin["+t+"]":"coords["+(s-1)+"] * strides["+t+"] + begin["+t+"]"})).join(",")}this.userCode="\n      "+a+" begin = "+a+"("+e+");\n      "+a+" strides = "+a+"("+t+");\n\n      void main() {\n        "+i+" coords = getOutputCoords();\n        setOutput(getX("+o+"));\n      }\n    "};var G2={kernelName:gx,backendName:"webgl",kernelFunc:function(e){var t,n=e.inputs,r=e.backend,a=e.attrs,i=n.x,o=a.begin,s=a.end,u=a.strides,l=a.beginMask,c=a.endMask,p=a.ellipsisMask,h=a.newAxisMask,f=a.shrinkAxisMask,d=JI(i.shape,o,s,u,l,c,p,h,f),m=d.finalShapeSparse,v=d.finalShape,g=d.isIdentity,y=d.sliceDim0,b=d.isSimpleSlice,x=d.begin,w=d.end,k=d.strides;if(g)t=aZ({inputs:{x:i},backend:r,attrs:{shape:v}});else if(y||b){Uv(i.shape.length>=1,(function(){return"Input must have rank at least 1, got: "+i.shape.length}));var N=PI(x,w,k),I=cQ({inputs:{x:i},backend:r,attrs:{begin:x,size:N}});t=aZ({inputs:{x:I},backend:r,attrs:{shape:v}}),r.disposeIntermediateTensorInfo(I)}else{if(r.shouldExecuteOnCPU([i])){var S=r.readSync(i.dataId),T=DN(i.shape,i.dtype,S),E=lJ(m,T,k,x);t=r.makeTensorInfo(v,i.dtype,E.values)}else{var C=new V2(x,k,m);t=r.runWebGLProgram(C,[i],i.dtype)}}var R=aZ({inputs:{x:t},backend:r,attrs:{shape:v}});return r.disposeIntermediateTensorInfo(t),R}};var j2={kernelName:yx,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs,a=r.separator,i=r.nGramWidths,o=r.leftPad,s=r.rightPad,u=r.padWidth,l=r.preserveShortSequences,c=t.data,p=t.dataSplits,h=n.readSync(c.dataId),f=n.readSync(p.dataId),d=cJ(h,f,a,i,o,s,u,l),m=d[0],v=d[1];return[n.makeTensorInfo([m.length],"string",m),n.makeTensorInfo(p.shape,"int32",v)]}};var H2={kernelName:bx,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs.skipEmpty,a=t.input,i=t.delimiter;if("string"!==a.dtype)throw new Error("Input must be of datatype string");if(1!==a.shape.length)throw new Error("Input must be a vector, got shape: "+a.shape);if(0!==i.shape.length)throw new Error("Delimiter must be a scalar, got shape: "+i.shape);var o=n.readSync(a.dataId),s=n.readSync(i.dataId)[0],u=pJ(o,s,r),l=u[0],c=u[1],p=u[2],h=c.length;return[n.makeTensorInfo([h,2],"int32",l),n.makeTensorInfo([h],"string",c),n.makeTensorInfo([2],"int32",new Int32Array(p))]}};var q2={kernelName:xx,backendName:"webgl",kernelFunc:function(e){var t=e.inputs,n=e.backend,r=e.attrs.numBuckets,a=t.input;if("string"!==a.dtype)throw new Error("Input must be of datatype string");if(r<=0)throw new Error("Number of buckets must be at least 1");var i=n.readSync(a.dataId),o=hJ(i,r);return n.makeTensorInfo(a.shape,"int32",o)}},K2=XJ({opSnippet:"return tan(x);"}),X2={kernelName:kx,backendName:"webgl",kernelFunc:K2},Y2=XJ({opSnippet:"\n  float e2x = exp(-2.0 * abs(x));\n  return sign(x) * (1.0 - e2x) / (1.0 + e2x);\n"}),J2=function(e,t){this.variableNames=["A"];for(var n=new Array(e.length),r=0;r<n.length;r++)n[r]=e[r]*t[r];this.outputShape=n,this.rank=n.length;var a=aY(this.rank),i=function(e){var t=e.length;if(t>5)throw Error("Tile for rank "+t+" is not yet supported");if(1===t)return"imod(resRC, "+e[0]+")";for(var n=["resRC.x","resRC.y","resRC.z","resRC.w","resRC.u"],r=[],a=0;a<e.length;a++)r.push("imod("+n[a]+", "+e[a]+")");return r.join()}(e);this.userCode="\n      void main() {\n        "+a+" resRC = getOutputCoords();\n        setOutput(getA("+i+"));\n      }\n    "};function Z2(e){var t=e.inputs,n=e.backend,r=e.attrs,a=t.x,i=r.reps;if("string"===a.dtype||a.shape.length>5){var o=n.readSync(a.dataId),s="string"===a.dtype?o.map((function(e){return Lw(e)})):o,u=DN(a.shape,a.dtype,s),l=dJ(u,i);return n.makeTensorInfo(l.shape,l.dtype,l.values)}var c=new J2(a.shape,i);return n.runWebGLProgram(c,[a],a.dtype)}var Q2=function(e){this.variableNames=["x","indices"],this.customUniforms=[{name:"n",type:"int"},{name:"firstPass",type:"int"},{name:"negativeInf",type:"float"},{name:"dir",type:"int"},{name:"inc",type:"int"}],this.outputShape=e,this.userCode="\n       void main() {\n         ivec2 coords = getOutputCoords();\n         int batch = coords[0];\n         int elemIdx = coords[1];\n\n         // We compare elements pair-wise within a group of size 2 * inc.\n         // The comparing rule for each group alternates between ascending\n         // and descending. Within each group, we compare each pair at\n         // positions i and i+inc. To decide whether an element at position i\n         // is x0 or x1, we mod it by 2 * inc, if the result is smaller than\n         // inc, it is in the first half of the group, we denote it as x0,\n         // otherwise we denote it as x1.\n         // For example, as shown in the Bitonic top K paper referenced above,\n         // Figure5(a) shows that element[1] is in the\n         // second half of the group when group size is 2, but it is in the\n         // first half of the group when group size is 4.\n\n         bool isFirstInPair = imod(elemIdx, 2 * inc) < inc;\n         int i = isFirstInPair ? elemIdx : elemIdx - inc;\n\n         int i0 = firstPass == 1 ? i : int(getIndices(batch, i));\n         int i1 = firstPass == 1 ? i + inc : int(getIndices(batch, i + inc));\n         float x0 = i0 < n ? getX(batch, i0) : negativeInf;\n         float x1 = i1 < n ? getX(batch, i1) : negativeInf;\n\n         // Denotes which direction indices are in (ascending or descending).\n         bool reverse = imod(elemIdx, 2 * dir) >= dir;\n         bool isGreater = x0 > x1 || (x0 == x1 && i1 > i0);\n         if (reverse == isGreater) { // Elements in opposite order of direction\n           int iTemp = i0;\n           i0 = i1;\n           i1 = iTemp;\n         }\n         if (isFirstInPair) {\n            setOutput(float(i0));\n         } else {\n            setOutput(float(i1));\n         }\n       }\n     "},$2=function(e){this.variableNames=["x","indices"],this.customUniforms=[{name:"n",type:"int"},{name:"firstPass",type:"int"},{name:"k",type:"int"}],this.outputShape=e,this.userCode="\n    void main() {\n         // Takes max of indices (0, k), (1, k + 1), (2, k + 2) ...\n         ivec2 coords = getOutputCoords();\n         int batch = coords[0];\n         int elemIdx = coords[1];\n\n         // The output size is half of the previous size.\n         // If the previous sequence is | | | | _ _ _ _  | | | |  _ _ _ _ (k=4),\n         // we only need to output the indices at positions |, the indices at\n         // positions _ can be thrown away, see Figure5(b) After Phase 2\n         // (Merge phase) in the Bitonic Top K paper referenced above.\n         // For example, the paper shows we only need to output the orange bars.\n         // The output sequence should look like this | | | | | | | |.\n         // Because the sequence is halved, to map the output index back\n         // to the previous sequence to find the corresponding value,\n         // we need to double the index. When we double the index,\n         // we basically interpolate a position, so 2i looks like\n         // | _ | _ | _ | _ | _ | _ | _. We move the | to the first k position\n         // of each 2k positions by - elemIdx % k. E.g. for output at\n         // index 4,5,6,7, we want to get the corresponding element at\n         // original index 8,9,10,11, for output at index 8,9,10,11,\n         // we want to get the corresponding element at original index\n         // 16,17,18,19, so on and so forth.\n\n         int i = elemIdx < k ? elemIdx : (elemIdx * 2 - imod(elemIdx, k));\n         int i0 = firstPass == 1 ? i : int(getIndices(batch, i));\n         int i1 = firstPass == 1 ? i + k : int(getIndices(batch, i + k));\n\n         float x0 = getX(batch, i0);\n         float x1 = i1 < n ? getX(batch, i1) : x0;\n\n         setOutput(x0 >= x1 ? float(i0) : float(i1));\n       }\n     "};function e3(e,t){null!==t&&e.disposeIntermediateTensorInfo(t)}function t3(e){for(var t=1;t<e;)t*=2;return t}var n3=function(e,t,n,r,a,i){this.variableNames=["Image","Transforms"],this.outputShape=i;var o,s="nearest"===n?1:2;switch(r){case"constant":o=1;break;case"reflect":o=2;break;case"wrap":o=3;break;case"nearest":o=4;break;default:o=1}this.userCode="\n            float mapCoord(float outCoord, float len) {\n              float inCoord = outCoord;\n              if("+o+" == 2) {\n                if (inCoord < 0.0) {\n                  if (len <= 1.0) {\n                    inCoord = 0.0;\n                  } else {\n                    float sz2 = 2.0 * len;\n                    if (inCoord < sz2) {\n                      inCoord = sz2 * float(int(float(-inCoord / sz2))) +\n                      inCoord;\n                    }\n                    inCoord = inCoord < -len ? inCoord + sz2 : -inCoord - 1.0;\n                  }\n                } else if (inCoord > len - 1.0) {\n                  if (len <= 1.0) {\n                    inCoord = 0.0;\n                  } else {\n                    float sz2 = 2.0 * len;\n                    inCoord -= sz2 * float(int(float(inCoord / sz2)));\n                    if (inCoord >= len) {\n                      inCoord = sz2 - inCoord - 1.0;\n                    }\n                  }\n                }\n                return clamp(inCoord, 0.0, len - 1.0);\n              } else if ("+o+" == 3) {\n                if (inCoord < 0.0) {\n                  if (len <= 1.0) {\n                    inCoord = 0.0;\n                  } else {\n                    float sz = len - 1.0;\n                    inCoord += len * (float(int(float(-inCoord / sz))) + 1.0);\n                  }\n                } else if (inCoord > len - 1.0) {\n                  if (len <= 1.0) {\n                    inCoord = 0.0;\n                  } else {\n                    float sz = len - 1.0;\n                    inCoord -= len * float(int(float(inCoord / sz)));\n                  }\n                }\n                return clamp(inCoord, 0.0, len - 1.0);\n              } else if ("+o+" == 4) {\n                return clamp(outCoord, 0.0, len - 1.0);\n              } else {\n                return outCoord;\n              }\n            }\n\n            float readWithFillValue(int batch, int coordY, int coordX,\n              int channel) {\n              float outputValue;\n              if (0 <= coordY && coordY < "+e+" && 0 <= coordX && coordX < "+t+") {\n                  outputValue = getImage(batch, coordY, coordX, channel);\n              } else {\n                outputValue = float("+a+");\n              }\n              return outputValue;\n            }\n\n            void main() {\n              ivec4 coords = getOutputCoords();\n              float outputValue;\n              int batch = coords[0];\n              int x = coords[2];\n              int y = coords[1];\n              int channel = coords[3];\n              float xf = float(x);\n              float yf = float(y);\n              float a1 = getTransforms(batch, 0);\n              float a2 = getTransforms(batch, 1);\n              float a3 = getTransforms(batch, 2);\n              float b1 = getTransforms(batch, 3);\n              float b2 = getTransforms(batch, 4);\n              float b3 = getTransforms(batch, 5);\n              float c1 = getTransforms(batch, 6);\n              float c2 = getTransforms(batch, 7);\n              float projection = c1 * xf + c2 * yf + 1.0;\n              if (projection == 0.0) {\n                outputValue = float("+a+");\n              } else {\n                float inX = (a1 * xf + a2 * yf + a3) / projection;\n                float inY = (b1 * xf + b2 * yf + b3) / projection;\n                float mapX = mapCoord(inX, float("+t+"));\n                float mapY = mapCoord(inY, float("+e+"));\n\n                if ("+s+" == 1) {\n                  int coordY = int(round(mapY));\n                  int coordX = int(round(mapX));\n                  outputValue = readWithFillValue(batch, coordY, coordX,\n                    channel);\n                } else {\n                  float yFloor = floor(mapY);\n                  float xFloor = floor(mapX);\n                  float yCeil = yFloor + 1.0;\n                  float xCeil = xFloor + 1.0;\n                  float valueYFloor = (xCeil - mapX) *\n                  readWithFillValue(batch, int(yFloor), int(xFloor), channel) +\n                  (mapX - xFloor) *\n                  readWithFillValue(batch, int(yFloor), int(xCeil), channel);\n                  float valueYCeil = (xCeil - mapX) *\n                  readWithFillValue(batch, int(yCeil), int(xFloor), channel) +\n                  (mapX - xFloor) *\n                  readWithFillValue(batch, int(yCeil), int(xCeil), channel);\n                  outputValue = (yCeil - mapY) * valueYFloor +\n                  (mapY - yFloor) * valueYCeil;\n                }\n              }\n              setOutput(outputValue);\n            }\n        "};var r3=function(e,t){this.variableNames=["x","segmentIds"];var n=e.windowSize,r=e.batchSize,a=e.inSize,i=e.numSegments,o=i*Math.ceil(a/n);this.outputShape=[r,o];var s=4*Math.floor(n/4),u=n%4,l="\n        sumValue += dot(values, segFilter);\n    ",c="";a%n>0&&(c="\n        if (inIdx < 0 || inIdx >= "+a+") {\n          return initializationValue;\n        }\n      ");var p="";a%n>0&&(p="\n        if (inIdx < 0 || inIdx >= "+a+") {\n          return -1.0;\n        }\n      "),this.userCode="\n      const float initializationValue = 0.0;\n\n      float getValue(int batch, int inIdx) {\n        "+c+"\n        return getX(batch, inIdx);\n      }\n\n      float getSegmentIdAtIndex(int inIdx) {\n        "+p+"\n        return getSegmentIds(inIdx);\n      }\n\n      void main() {\n        ivec2 coords = getOutputCoords();\n        int batch = coords[0];\n        int outIdx = coords[1];\n        int inOffset = int(floor(float(outIdx) / float(\n          "+i+")) * float("+n+"));\n        int currentSeg = int(mod(float(outIdx), float("+i+")));\n\n        float sumValue = 0.0;\n\n        for (int i = 0; i < "+s+"; i += 4) {\n          int inIdx = inOffset + i;\n          vec4 values = vec4(\n            getValue(batch, inIdx),\n            getValue(batch, inIdx + 1),\n            getValue(batch, inIdx + 2),\n            getValue(batch, inIdx + 3)\n          );\n\n          vec4 segFilter = vec4(\n            int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,\n            int(getSegmentIdAtIndex(inIdx + 1)) == currentSeg ? 1 : 0,\n            int(getSegmentIdAtIndex(inIdx + 2)) == currentSeg ? 1 : 0,\n            int(getSegmentIdAtIndex(inIdx + 3)) == currentSeg ? 1 : 0\n          );\n\n          "+l+"\n        }\n\n        int inIdx = inOffset + "+s+";\n        if ("+(1===u)+") {\n          vec4 values = vec4(\n            getValue(batch, inIdx),\n            initializationValue,\n            initializationValue,\n            initializationValue\n          );\n\n          int inIdxSeg = int(getSegmentIdAtIndex(inIdx));\n\n          vec4 segFilter = vec4(\n            int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,\n            0,\n            0,\n            0\n          );\n\n          "+l+"\n        } else if ("+(2===u)+") {\n          vec4 values = vec4(\n            getValue(batch, inIdx),\n            getValue(batch, inIdx + 1),\n            initializationValue,\n            initializationValue\n          );\n\n          vec4 segFilter = vec4(\n            int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,\n            int(getSegmentIdAtIndex(inIdx + 1)) == currentSeg ? 1 : 0,\n              0,\n              0\n          );\n\n          "+l+"\n        } else if ("+(3===u)+") {\n          vec4 values = vec4(\n            getValue(batch, inIdx),\n            getValue(batch, inIdx + 1),\n            getValue(batch, inIdx + 2),\n            initializationValue\n          );\n\n          vec4 segFilter = vec4(\n            int(getSegmentIdAtIndex(inIdx)) == currentSeg ? 1 : 0,\n            int(getSegmentIdAtIndex(inIdx + 1)) == currentSeg ? 1 : 0,\n            int(getSegmentIdAtIndex(inIdx + 2)) == currentSeg ? 1 : 0,\n            0\n          );\n\n          "+l+"\n        }\n        setOutput(sumValue);\n      }\n    "};for(var a3=0,i3=[gZ,bZ,wZ,NZ,TZ,RZ,AZ,_Z,zZ,PZ,WZ,VZ,jZ,qZ,XZ,ZZ,QZ,tQ,nQ,rQ,oQ,hQ,fQ,dQ,bQ,kQ,SQ,UJ,CQ,LQ,VQ,KQ,XQ,YQ,JQ,QQ,e$,n$,a$,l$,c$,p$,f$,v$,b$,x$,k$,I$,S$,E$,C$,A$,F$,O$,L$,B$,V$,q$,X$,Z$,$$,n0,r0,a0,o0,l0,p0,f0,BJ,d0,DQ,v0,y0,x0,jJ,k0,I0,S0,E0,R0,_0,D0,M0,P0,W0,V0,j0,H0,q0,Y0,J0,Z0,Q0,$0,t1,a1,o1,m1,rZ,v1,y1,x1,k1,vQ,I1,E1,C1,F1,O1,KJ,M1,z1,yQ,l1,B1,U1,G1,iZ,q1,X1,Z1,$1,n2,a2,o2,u2,c2,h2,d2,v2,y2,x2,k2,I2,pQ,d1,T2,E2,C2,R2,A2,_2,F2,D2,L2,z2,W2,U2,G2,j2,H2,q2,h1,fZ,X2,{kernelName:Nx,backendName:"webgl",kernelFunc:Y2},{kernelName:Ix,backendName:"webgl",kernelFunc:Z2},{kernelName:Sx,backendName:"webgl",kernelFunc:function(e){var 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