Here you can find the source of roundUp(int x, int blockSizePowerOf2)
| Parameter | Description |
|---|---|
| x | the value to be rounded |
| blockSizePowerOf2 | the block size |
public static int roundUp(int x, int blockSizePowerOf2)
//package com.java2s; /*//from ww w . j a va2 s . co m * Copyright (c) 2011, the Dart project authors. * * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html * * 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 { /** * Round the value up to the next block size. The block size must be a power of two. As an * example, using the block size of 8, the following rounding operations are done: 0 stays 0; * values 1..8 results in 8, 9..16 results in 16, and so on. * * @param x the value to be rounded * @param blockSizePowerOf2 the block size * @return the rounded value */ public static int roundUp(int x, int blockSizePowerOf2) { return (x + blockSizePowerOf2 - 1) & (-blockSizePowerOf2); } }