Files
Henry Whitaker ea5808047f Tweaked gitignore
gitignore removed all composer and npm files, so automated builds would fail
2020-04-12 21:24:03 +01:00

12 lines
238 B
JavaScript
Vendored

"use strict";
var exp = Math.exp;
module.exports = function (value) {
if (isNaN(value)) return NaN;
value = Number(value);
if (value === 0) return 1;
if (!isFinite(value)) return Infinity;
return (exp(value) + exp(-value)) / 2;
};