|
|
var $ = require('../internals/export'); var fails = require('../internals/fails'); var expm1 = require('../internals/math-expm1');
var abs = Math.abs; var exp = Math.exp; var E = Math.E;
var FORCED = fails(function () { // eslint-disable-next-line es/no-math-sinh -- required for testing
return Math.sinh(-2e-17) != -2e-17; });
// `Math.sinh` method
// https://tc39.es/ecma262/#sec-math.sinh
// V8 near Chromium 38 has a problem with very small numbers
$({ target: 'Math', stat: true, forced: FORCED }, { sinh: function sinh(x) { return abs(x = +x) < 1 ? (expm1(x) - expm1(-x)) / 2 : (exp(x - 1) - exp(-x - 1)) * (E / 2); } });
|