Sha256: 09400ecd52818d7403915adae2c5562ca9291c5eb74bc44c050c8866fa139bdb
Contents?: true
Size: 384 Bytes
Versions: 25
Compression:
Stored size: 384 Bytes
Contents
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));
}
});
Version data entries
25 entries across 25 versions & 7 rubygems