Java acosh acosh(double x)

Description

Returns the arc hyperbolic cosine of a value.

License

Open Source License

Parameter

Parameter	Description
x	The value whose arc hyperbolic cosine is to be returned.

Return

The arc hyperbolic cosine of the value.

Declaration

public static double acosh(double x) 

Method Source Code

//package com.java2s;
/**//from   ww  w.ja  v  a2  s .  c  o m
 * Java Modular Image Synthesis Toolkit (JMIST)
 * Copyright (C) 2008-2013 Bradley W. Kimmel
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

public class Main {
    /**
     * Returns the arc hyperbolic cosine of a value.
     * @param x The value whose arc hyperbolic cosine is to be returned.
     * @return The arc hyperbolic cosine of the value.
     */
    public static double acosh(double x) {
        return Math.log(x + Math.sqrt(x * x - 1.0));
    }
}

Related

1. acosh(double a)
2. acosh(double x)
3. acosh(double x)
4. acosh(double x)