Compares to double values and returns true if they should be treated as being equal. - Java java.lang

Java examples for java.lang:double

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Description

Compares to double values and returns true if they should be treated as being equal.

Demo Code

/**//from  w  w  w  .  ja  v a 2s .c  om
 * diqube: Distributed Query Base.
 *
 * Copyright (C) 2015 Bastian Gloeckle
 *
 * This file is part of diqube.
 *
 * diqube 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/>.
 */
//package com.java2s;

public class Main {
    /**
     * Compares to double values and returns true if they should be treated as being equal.
     */
    public static boolean equals(double a, double b) {
        return a == b || Math.abs(a - b) < 1e-100
                || (Double.isNaN(a) && Double.isNaN(b));
    }
}

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