// 20.2.2.5 Math.asinh(x) | |
var $export = require('./_export') | |
, $asinh = Math.asinh; | |
function asinh(x){ | |
return !isFinite(x = +x) || x == 0 ? x : x < 0 ? -asinh(-x) : Math.log(x + Math.sqrt(x * x + 1)); | |
} | |
// Tor Browser bug: Math.asinh(0) -> -0 | |
$export($export.S + $export.F * !($asinh && 1 / $asinh(0) > 0), 'Math', {asinh: asinh}); |