aaac7fed
 liuqimichale
add
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// Thanks: https://github.com/monolithed/ECMAScript-6
"use strict";
var exp = Math.exp;
module.exports = function (value) {
if (isNaN(value)) return NaN;
value = Number(value);
if (value === 0) return value;
if (value === Infinity) return Infinity;
if (value === -Infinity) return -1;
if (value > -1.0e-6 && value < 1.0e-6) return value + value * value / 2;
return exp(value) - 1;
};
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