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@stdlib/math-base-special-fast-acosh

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Compute the hyperbolic arccosine of a number.

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/** * @license Apache-2.0 * * Copyright (c) 2024 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ 'use strict'; // MODULES // var addon = require( './../src/addon.node' ); // MAIN // /** * Computes the hyperbolic arcsine of a number. * * @private * @param {number} x - input value * @returns {number} hyperbolic arccosine * * @example * var v = acosh( 1.0 ); * // returns 0.0 * * @example * var v = acosh( 2.0 ); * // returns ~1.317 * * @example * var v = acosh( NaN ); * // returns NaN */ function acosh( x ) { return addon( x ); } // EXPORTS // module.exports = acosh;