diff options
Diffstat (limited to 'node_modules/es5-ext/math/expm1/shim.js')
-rw-r--r-- | node_modules/es5-ext/math/expm1/shim.js | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/node_modules/es5-ext/math/expm1/shim.js b/node_modules/es5-ext/math/expm1/shim.js new file mode 100644 index 000000000..ce737b3bc --- /dev/null +++ b/node_modules/es5-ext/math/expm1/shim.js @@ -0,0 +1,16 @@ +// 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; +}; |