Java Power of 2 nextPowerOfTwo(final int targetSize)

Here you can find the source of nextPowerOfTwo(final int targetSize)

Description

next Power Of Two

License

Apache License

Declaration

public static int nextPowerOfTwo(final int targetSize) 

Method Source Code

//package com.java2s;
/*/*from  ww  w  . j a v a  2  s .  com*/
 * @(#)$Id$$
 *
 * Copyright 2006-2008 Makoto YUI
 *
 * 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.
 * 
 * Contributors:
 *     Makoto YUI - initial implementation
 */

public class Main {
    public static int nextPowerOfTwo(final int targetSize) {
        return nextPowerOfTwo(1, targetSize);
    }

    public static int nextPowerOfTwo(final int minSizeLog, final int targetSize) {
        int i;
        for (i = minSizeLog; (1 << i) < targetSize; i++)
            ;
        return 1 << i;
    }
}

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