Here you can find the source of inRange(double value, double target, double range)
public static Boolean inRange(double value, double target, double range)
//package com.java2s; /*//from ww w . j a va2 s . c om * JGAAP -- a graphical program for stylometric authorship attribution * Copyright (C) 2009,2011 by Patrick Juola * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ public class Main { public static Boolean inRange(double value, double target, double range) { if (value <= target + range) { if (value >= target - range) { return true; } } return false; } }