/*******************************************************************************
* Copyright (c) 2017 Google, Inc and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Stefan Xenos (Google) - Initial implementation
*******************************************************************************/
package org.eclipse.jdt.internal.core.nd.util;
public class MathUtils {
/**
* Rounds the one number up to the nearest multiple of another
*
* @param numberToRound
* number to round
* @param toMultipleOfThis the result will be divisible by this number
* @return the result will be the smallest multiple of toMultipleOfThis that is no smaller than numberToRound
*/
public static int roundUpToNearestMultiple(int numberToRound, int toMultipleOfThis) {
return ((numberToRound + toMultipleOfThis - 1) / toMultipleOfThis) * toMultipleOfThis;
}
/**
* Rounds the one number up to the nearest multiple of another, where the second number is a power of two.
*
* @param numberToRound
* number to round
* @param aPowerOfTwo
* the result will be divisible by this
* @return the result will be the smallest multiple of aPowerOfTwo that is no smaller than numberToRound
*/
public static int roundUpToNearestMultipleOfPowerOfTwo(int numberToRound, int aPowerOfTwo) {
return ((numberToRound + aPowerOfTwo - 1) & ~(aPowerOfTwo - 1));
}
}