Java Double Number Equal doubleEqual(double d1, double d2, double delta)

Description

double Equal

License

Open Source License

Declaration

static boolean doubleEqual(double d1, double d2, double delta) 

Method Source Code

//package com.java2s;
/*/*from ww w  .j a  va2 s  .  com*/
 * Copyright 2014 (C) Tom Parker <thpr@users.sourceforge.net>
 * 
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 * 
 * This library 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 Lesser General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

public class Main {
    static boolean doubleEqual(double d1, double d2, double delta) {
        if (delta < 0) {
            throw new IllegalArgumentException("Delta for doubleEqual cannot be < 0: " + delta);
        }
        double diff = d1 - d2;
        return ((diff >= 0) && (diff < delta)) || ((diff < 0) && (diff > -delta));
    }
}

Related

1. doubleEqual(double d1, double d2)
2. doubleEqual(double v1, double v2)
3. doubleEquality(double v1, double v2, double epsilon)
4. doubleEquals(double a, double b)
5. doubleEquals(double a, double b)