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Last change
on this file since e29cc2e was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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474 bytes
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| 1 | var $ = require('../internals/export');
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| 2 | var expm1 = require('../internals/math-expm1');
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| 3 |
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| 4 | // eslint-disable-next-line es/no-math-cosh -- required for testing
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| 5 | var $cosh = Math.cosh;
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| 6 | var abs = Math.abs;
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| 7 | var E = Math.E;
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| 8 |
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| 9 | // `Math.cosh` method
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| 10 | // https://tc39.es/ecma262/#sec-math.cosh
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| 11 | $({ target: 'Math', stat: true, forced: !$cosh || $cosh(710) === Infinity }, {
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| 12 | cosh: function cosh(x) {
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| 13 | var t = expm1(abs(x) - 1) + 1;
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| 14 | return (t + 1 / (t * E * E)) * (E / 2);
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| 15 | }
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| 16 | });
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