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Last change
on this file since 8d391a1 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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| 1 | var $ = require('../internals/export');
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| 2 |
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| 3 | // eslint-disable-next-line es/no-math-asinh -- required for testing
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| 4 | var $asinh = Math.asinh;
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| 5 | var log = Math.log;
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| 6 | var sqrt = Math.sqrt;
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| 7 |
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| 8 | function asinh(x) {
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| 9 | return !isFinite(x = +x) || x == 0 ? x : x < 0 ? -asinh(-x) : log(x + sqrt(x * x + 1));
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| 10 | }
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| 11 |
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| 12 | // `Math.asinh` method
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| 13 | // https://tc39.es/ecma262/#sec-math.asinh
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| 14 | // Tor Browser bug: Math.asinh(0) -> -0
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| 15 | $({ target: 'Math', stat: true, forced: !($asinh && 1 / $asinh(0) > 0) }, {
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| 16 | asinh: asinh
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| 17 | });
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