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| Direktori : /home/opti/workflow/node_modules/es5-ext/math/atanh/ |
| Current File : /home/opti/workflow/node_modules/es5-ext/math/atanh/shim.js |
"use strict";
var log = Math.log;
module.exports = function (value) {
if (isNaN(value)) return NaN;
value = Number(value);
if (value < -1) return NaN;
if (value > 1) return NaN;
if (value === -1) return -Infinity;
if (value === 1) return Infinity;
if (value === 0) return value;
return 0.5 * log((1 + value) / (1 - value));
};