Java Zero Format zeroExtend(long value, int inputBits)

Description

Zero extend an integer.

License

Open Source License

Parameter

Parameter	Description
value	the input value
inputBits	the bit width of the input value

Return

an unsigned long with the same value as the unsigned inputBits -bit number value

Declaration

public static long zeroExtend(long value, int inputBits) 

Method Source Code

//package com.java2s;
/*//from   w  ww  .  jav  a  2s  .  c  om
 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

public class Main {
    /**
     * Zero extend an integer.
     *
     * @param value the input value
     * @param inputBits the bit width of the input value
     * @return an unsigned long with the same value as the unsigned {@code inputBits}-bit number
     *         {@code value}
     */
    public static long zeroExtend(long value, int inputBits) {
        if (inputBits < 64) {
            return value & ~(-1L << inputBits);
        } else {
            return value;
        }
    }
}

Related

1. zerocount(int v)
2. zeroCount(long n)
3. zeroDiv(double numerator, double denominator)
4. zeroes(final int ch)
5. zeroEsquerda(String s1, int tamString)
6. zeroFill(float[] array)
7. zeroFill(int iv, int len)
8. zeroFill(int num, int size, String character)
9. zeroFill(int value, int fieldWidth)