2a09d1a4
 liuqimichale
添加宜春 天水 宣化
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/* global Float32Array */
// Credit: https://github.com/paulmillr/es6-shim/blob/master/es6-shim.js
"use strict";
var toFloat32;
if (typeof Float32Array === "undefined") {
toFloat32 = (function () {
var pack = require("../_pack-ieee754")
, unpack = require("../_unpack-ieee754");
return function (value) {
return unpack(pack(value, 8, 23), 8, 23);
};
}());
} else {
toFloat32 = (function () {
var float32Array = new Float32Array(1);
return function (num) {
float32Array[0] = num;
return float32Array[0];
};
}());
}
module.exports = function (value) {
if (isNaN(value)) return NaN;
value = Number(value);
if (value === 0) return value;
if (!isFinite(value)) return value;
return toFloat32(value);
};
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