OpenConcerto

Dépôt officiel du code source de l'ERP OpenConcerto
sonarqube

svn://code.openconcerto.org/openconcerto

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/*
 * Copyright 2015 Daniel Gredler
 *
 * 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.
 */

package uk.org.okapibarcode.util;

/**
 * Double utility class.
 *
 * @author Daniel Gredler
 */
public final class Doubles {

    private Doubles() {
        // utility class
    }

    /**
     * It's usually not a good idea to check floating point numbers for exact equality. This method
     * allows us to check for approximate equality.
     *
     * @param d1 the first double
     * @param d2 the second double
     * @return whether or not the two doubles are approximately equal (to within 0.0001)
     */
    public static boolean roughlyEqual(final double d1, final double d2) {
        return Math.abs(d1 - d2) < 0.0001;
    }
}