001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    
018    package org.apache.commons.math3.analysis.function;
019    
020    import org.apache.commons.math3.analysis.BivariateFunction;
021    
022    /**
023     * Subtract the second operand from the first.
024     *
025     * @since 3.0
026     * @version $Id: Subtract.java 1364377 2012-07-22 17:39:16Z tn $
027     */
028    public class Subtract implements BivariateFunction {
029        /** {@inheritDoc} */
030        public double value(double x, double y) {
031            return x - y;
032        }
033    }