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home/emeraadmin/public_html/node_modules/core-js-pure/modules/es.math.tanh.js000064400000000624151701420730023370 0ustar00'use strict';
var $ = require('../internals/export');
var expm1 = require('../internals/math-expm1');

var exp = Math.exp;

// `Math.tanh` method
// https://tc39.es/ecma262/#sec-math.tanh
$({ target: 'Math', stat: true }, {
  tanh: function tanh(x) {
    var n = +x;
    var a = expm1(n);
    var b = expm1(-n);
    return a === Infinity ? 1 : b === Infinity ? -1 : (a - b) / (exp(n) + exp(-n));
  }
});