locutus
Version:
Locutus other languages' standard libraries to JavaScript for fun and educational purposes
13 lines (12 loc) • 475 B
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.tanh = tanh;
function tanh(arg) {
// discuss at: https://locutus.io/php/tanh/
// parity verified: PHP 8.3
// original by: Onno Marsman (https://twitter.com/onnomarsman)
// improved by: Robert Eisele (https://www.xarg.org/)
// example 1: tanh(5.4251848798444815)
// returns 1: 0.9999612058841574
return 1 - 2 / (Math.exp(2 * arg) + 1);
}