Here you can find the source of align(final int value, final int pow2alignment)
public static int align(final int value, final int pow2alignment)
//package com.java2s; /*/*from w w w. j a v a2 s . c om*/ * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 { /** * Fast alignment operation with power of 2 {@code alignment} and {@code value >=0} and {@code value <}{@link Integer#MAX_VALUE}.<br> * In order to be fast is up to the caller to check arguments correctness. * Original algorithm is on https://en.wikipedia.org/wiki/Data_structure_alignment. */ public static int align(final int value, final int pow2alignment) { return (value + (pow2alignment - 1)) & ~(pow2alignment - 1); } }