sheetjs/packages/ssf/bits/27_normalize.js
2023-12-05 03:19:42 -05:00

21 lines
729 B
JavaScript

function normalize_xl_unsafe(v/*:number*/)/*:number*/ {
if(v == 0) return 0;
var s = v.toPrecision(17);
if(s.indexOf("e") > -1) {
var m = s.slice(0, s.indexOf("e"));
if(m.indexOf(".") > -1) {
var tail = m.charAt(0) + m.slice(2, 17);
m = m.slice(0, 16);
if(tail.length == 16) {
m = String(Math.round(Number(tail.slice(0,15) + "." + tail.slice(15))));
if(m.length == 16) m = m.slice(0,2) + "." + m.slice(2);
else m = m.charAt(0) + "." + m.slice(1);
}
}
else m = m.slice(0,15) + fill("0", m.length - 15);
return Number(m + s.slice(s.indexOf("e")));
}
var n = s.indexOf(".") > -1 ? s.slice(0, (s.slice(0,2) == "0." ? 17 : 16)) : (s.slice(0,15) + fill("0", s.length - 15));
return Number(n);
}