Java Power of 2 nextPowerOf2(int x)

Description

Get the value that is equal or higher than this value, and that is a power of two.

License

Apache License

Parameter

Parameter	Description
x	the original value

Return

the next power of two value

Declaration

public static int nextPowerOf2(int x) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

public class Main {
    /**//from  w  w w  .java2s  .c  o m
     * Get the value that is equal or higher than this value, and that is a
     * power of two.
     *
     * @param x the original value
     * @return the next power of two value
     */
    public static int nextPowerOf2(int x) {
        long i = 1;
        while (i < x && i < (Integer.MAX_VALUE / 2)) {
            i += i;
        }
        return (int) i;
    }
}

Related

1. nextPowerOf2(int n)
2. nextPowerOf2(int n)
3. nextPowerOf2(int n)
4. nextPowerOf2(int v)
5. nextPowerOf2(int x)
6. nextPowerOfTwo(final int targetSize)
7. nextPowerOfTwo(final long nValue)
8. nextPowerOfTwo(int i)
9. nextPowerOfTwo(int i)