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15 lines
475 B
15 lines
475 B
// eslint-disable-next-line es-x/no-math-expm1 -- safe |
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var $expm1 = Math.expm1; |
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var exp = Math.exp; |
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// `Math.expm1` method implementation |
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// https://tc39.es/ecma262/#sec-math.expm1 |
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module.exports = (!$expm1 |
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// Old FF bug |
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|| $expm1(10) > 22025.465794806719 || $expm1(10) < 22025.4657948067165168 |
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// Tor Browser bug |
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|| $expm1(-2e-17) != -2e-17 |
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) ? function expm1(x) { |
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var n = +x; |
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return n == 0 ? n : n > -1e-6 && n < 1e-6 ? n + n * n / 2 : exp(n) - 1; |
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} : $expm1;
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