/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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 javax.ccpp;
import java.util.Comparator;
/**
* @version $Rev$ $Date$
*/
public class RationalComparator implements Comparator {
private static final RationalComparator instance = new RationalComparator();
public static RationalComparator getInstance() {
return instance;
}
private RationalComparator() {
}
public int compare(Object o, Object o1) {
Rational r1 = (Rational) o;
Rational r2 = (Rational) o1;
return r1.getNumerator() * r2.getDenominator() - r2.getNumerator() * r1.getDenominator();
}
}