default Double Compare - Java java.lang

Java examples for java.lang:double

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Description

default Double Compare

Demo Code

/**/*w ww  . j ava2  s  . com*/
 * Copyright (C) 2014-2015 LinkedIn Corp. (pinot-core@linkedin.com)
 *
 * 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 com.java2s;

public class Main {
    private static double DEFAULT_EPSILON = 0.000001;

    public static int defaultDoubleCompare(double d1, double d2) {
        return doubleCompare(d1, d2, DEFAULT_EPSILON);
    }

    public static int doubleCompare(double d1, double d2, double epsilon) {
        if (d1 > d2) {
            if (d1 * (1 - epsilon) > d2) {
                return 1;
            } else {
                return 0;
            }
        }
        if (d2 > d1) {
            if (d2 * (1 - epsilon) > d1) {
                return -1;
            } else {
                return 0;
            }
        }
        return 0;
    }
}

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