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- 'use strict';
- var $ = require('../internals/export');
-
- // eslint-disable-next-line es/no-math-asinh -- required for testing
- var $asinh = Math.asinh;
- var log = Math.log;
- var sqrt = Math.sqrt;
-
- function asinh(x) {
- var n = +x;
- return !isFinite(n) || n === 0 ? n : n < 0 ? -asinh(-n) : log(n + sqrt(n * n + 1));
- }
-
- var FORCED = !($asinh && 1 / $asinh(0) > 0);
-
- // `Math.asinh` method
- // https://tc39.es/ecma262/#sec-math.asinh
- // Tor Browser bug: Math.asinh(0) -> -0
- $({ target: 'Math', stat: true, forced: FORCED }, {
- asinh: asinh
- });
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