Java tutorial
//package com.java2s; /** * Copyright 2013 Dennis Ippel * * 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. */ public class Main { public static boolean realEqual(double a, double b, double tolerance) { return Math.abs(b - a) <= tolerance; } }