diff options
Diffstat (limited to 'tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/math/expm1/shim.js')
-rw-r--r-- | tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/math/expm1/shim.js | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/math/expm1/shim.js b/tools/eslint/node_modules/escope/node_modules/es6-map/node_modules/es5-ext/math/expm1/shim.js new file mode 100644 index 0000000000..9c8c236085 --- /dev/null +++ b/tools/eslint/node_modules/escope/node_modules/es6-map/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 (x) { + if (isNaN(x)) return NaN; + x = Number(x); + if (x === 0) return x; + if (x === Infinity) return Infinity; + if (x === -Infinity) return -1; + + if ((x > -1.0e-6) && (x < 1.0e-6)) return x + x * x / 2; + return exp(x) - 1; +}; |