| var nativeExpm1 = Math.expm1; | |
| var exp = Math.exp; | |
| // `Math.expm1` method implementation | |
| // https://tc39.github.io/ecma262/#sec-math.expm1 | |
| module.exports = (!nativeExpm1 | |
| // Old FF bug | |
| || nativeExpm1(10) > 22025.465794806719 || nativeExpm1(10) < 22025.4657948067165168 | |
| // Tor Browser bug | |
| || nativeExpm1(-2e-17) != -2e-17 | |
| ) ? function expm1(x) { | |
| return (x = +x) == 0 ? x : x > -1e-6 && x < 1e-6 ? x + x * x / 2 : exp(x) - 1; | |
| } : nativeExpm1; |