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