// 20.2.2.30 Math.sinh(x) | |
var $export = require('./_export'); | |
var expm1 = require('./_math-expm1'); | |
var exp = Math.exp; | |
// V8 near Chromium 38 has a problem with very small numbers | |
$export($export.S + $export.F * require('./_fails')(function () { | |
return !Math.sinh(-2e-17) != -2e-17; | |
}), 'Math', { | |
sinh: function sinh(x) { | |
return Math.abs(x = +x) < 1 | |
? (expm1(x) - expm1(-x)) / 2 | |
: (exp(x - 1) - exp(-x - 1)) * (Math.E / 2); | |
} | |
}); |