Java Abs absNeg(long a)

Description

abs Neg

License

Apache License

Return

The negative of the absolute value (always exact).

Declaration

static long absNeg(long a) 

Method Source Code

//package com.java2s;
/*// w ww.  ja va 2  s  . co  m
 * Copyright 2014 Jeff Hain
 *
 * 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.
 */

public class Main {
    /**
     * @return The negative of the absolute value (always exact).
     */
    static long absNeg(long a) {
        return (a >> 63) - (a ^ (a >> 63));
    }
}

Related

1. absDelta(double a, double b)
2. absDelta(float f1, float f2)
3. absDiff(long x, long y)
4. absHash(Object obj)
5. absNeg(final int a)
6. absNegativeZeros(float f)
7. Absolute(int a)