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"use strict";
module.exports = function tanh(arg) {
// discuss at: http://locutus.io/php/tanh/
// original by: Onno Marsman (https://twitter.com/onnomarsman)
// imprived by: Robert Eisele (http://www.xarg.org/)
// example 1: tanh(5.4251848798444815)
// returns 1: 0.9999612058841574
return 1 - 2 / (Math.exp(2 * arg) + 1);
};
//# sourceMappingURL=tanh.js.map
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