Java Double Number Equal doubleEqualsWithTolerance(double a, double b, long maxFloatsBetween)

Description

double Equals With Tolerance

License

Open Source License

Declaration

public static boolean doubleEqualsWithTolerance(double a, double b, long maxFloatsBetween) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (C) 2006-2013 AITIA International, Inc.
 * /*from ww w  .  j a va2 s  . com*/
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/

public class Main {
    public static boolean doubleEqualsWithTolerance(double a, double b, long maxFloatsBetween) {
        if (a == b)
            return true;
        if (Math.abs(Double.doubleToLongBits(a) - Double.doubleToLongBits(b)) <= maxFloatsBetween)
            return true;
        if (Double.doubleToLongBits(Math.abs(a - b)) <= maxFloatsBetween)
            return true;
        return false;
    }
}

Related

1. doubleEquals(double a, double b)
2. doubleEquals(double a, double b)
3. doubleEquals(double d1, double d2)
4. doubleEquals(Double d1, Double d2)
5. doubleEquals(double d1, double d2, double epsilon)