]> gerrit.simantics Code Review - simantics/district.git/blob - org.simantics.maps.server/node/node-v4.8.0-win-x64/node_modules/npm/node_modules/node-gyp/node_modules/path-array/node_modules/array-index/node_modules/es6-symbol/node_modules/es5-ext/math/log1p/shim.js
Adding integrated tile server
[simantics/district.git] / org.simantics.maps.server / node / node-v4.8.0-win-x64 / node_modules / npm / node_modules / node-gyp / node_modules / path-array / node_modules / array-index / node_modules / es6-symbol / node_modules / es5-ext / math / log1p / shim.js
1 // Thanks: https://github.com/monolithed/ECMAScript-6/blob/master/ES6.js
2
3 'use strict';
4
5 var log = Math.log;
6
7 module.exports = function (x) {
8         if (isNaN(x)) return NaN;
9         x = Number(x);
10         if (x < -1) return NaN;
11         if (x === -1) return -Infinity;
12         if (x === 0) return x;
13         if (x === Infinity) return Infinity;
14
15         if (x > -1.0e-8 && x < 1.0e-8) return (x - x * x / 2);
16         return log(1 + x);
17 };