_math-expm1.js 343 B

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  1. // 20.2.2.14 Math.expm1(x)
  2. var $expm1 = Math.expm1;
  3. module.exports = (!$expm1
  4. // Old FF bug
  5. || $expm1(10) > 22025.465794806719 || $expm1(10) < 22025.4657948067165168
  6. // Tor Browser bug
  7. || $expm1(-2e-17) != -2e-17
  8. ) ? function expm1(x) {
  9. return (x = +x) == 0 ? x : x > -1e-6 && x < 1e-6 ? x + x * x / 2 : Math.exp(x) - 1;
  10. } : $expm1;