com.graphhopper.util.NumHelper Maven / Gradle / Ivy
/*
* Licensed to GraphHopper GmbH under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*
* GraphHopper GmbH licenses this file to you 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.graphhopper.util;
/**
* @author Peter Karich
*/
public class NumHelper {
private final static double DEFAULT_PRECISION = 1e-6;
public static boolean equalsEps(double d1, double d2) {
return equalsEps(d1, d2, DEFAULT_PRECISION);
}
public static boolean equalsEps(double d1, double d2, double epsilon) {
return Math.abs(d1 - d2) < epsilon;
}
public static boolean equals(double d1, double d2) {
return Double.compare(d1, d2) == 0;
}
public static int compare(double d1, double d2) {
return Double.compare(d1, d2);
}
}