15 lines
529 B
JavaScript
15 lines
529 B
JavaScript
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function _bessel_wrap(bessel0/*:BesselN*/, bessel1/*:BesselN*/, name/*:string*/, nonzero/*:number*/, sign/*:number*/)/*:BesselF*/ {
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return function bessel(x/*:number*/,n/*:number*/) {
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if(nonzero) {
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if(x === 0) return (nonzero == 1 ? -Infinity : Infinity);
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else if(x < 0) return NaN;
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}
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if(n === 0) return bessel0(x);
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if(n === 1) return bessel1(x);
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if(n < 0) return NaN;
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n|=0;
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var b0/*:number*/ = bessel0(x), b1/*:number*/ = bessel1(x);
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return _bessel_iter(x, n, b0, b1, sign);
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};
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}
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