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