diff options
Diffstat (limited to 'node_modules/core-js/modules/es.math.tanh.js')
| -rw-r--r-- | node_modules/core-js/modules/es.math.tanh.js | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/node_modules/core-js/modules/es.math.tanh.js b/node_modules/core-js/modules/es.math.tanh.js new file mode 100644 index 0000000..3b57402 --- /dev/null +++ b/node_modules/core-js/modules/es.math.tanh.js @@ -0,0 +1,14 @@ +var $ = require('../internals/export'); +var expm1 = require('../internals/math-expm1'); + +var exp = Math.exp; + +// `Math.tanh` method +// https://tc39.github.io/ecma262/#sec-math.tanh +$({ target: 'Math', stat: true }, { + tanh: function tanh(x) { + var a = expm1(x = +x); + var b = expm1(-x); + return a == Infinity ? 1 : b == Infinity ? -1 : (a - b) / (exp(x) + exp(-x)); + } +}); |
