22 lines
538 B
JavaScript
22 lines
538 B
JavaScript
'use strict';
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var $ = require('../internals/export');
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// eslint-disable-next-line es/no-math-asinh -- required for testing
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var $asinh = Math.asinh;
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var log = Math.log;
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var sqrt = Math.sqrt;
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function asinh(x) {
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var n = +x;
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return !isFinite(n) || n === 0 ? n : n < 0 ? -asinh(-n) : log(n + sqrt(n * n + 1));
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}
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var FORCED = !($asinh && 1 / $asinh(0) > 0);
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// `Math.asinh` method
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// https://tc39.es/ecma262/#sec-math.asinh
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// Tor Browser bug: Math.asinh(0) -> -0
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$({ target: 'Math', stat: true, forced: FORCED }, {
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asinh: asinh
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});
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