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- var $ = require('../internals/export');
- var nativeAsinh = Math.asinh;
- var log = Math.log;
- var sqrt = Math.sqrt;
- function asinh(x) {
- return !isFinite(x = +x) || x == 0 ? x : x < 0 ? -asinh(-x) : log(x + sqrt(x * x + 1));
- }
- // `Math.asinh` method
- // https://tc39.github.io/ecma262/#sec-math.asinh
- // Tor Browser bug: Math.asinh(0) -> -0
- $({ target: 'Math', stat: true, forced: !(nativeAsinh && 1 / nativeAsinh(0) > 0) }, {
- asinh: asinh
- });
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