/* * 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 org.apache.commons.math.analysis.function; import org.apache.commons.math.analysis.UnivariateRealFunction; /** * Constant function. * * @version $Id$ * @since 3.0 */ public class Constant implements UnivariateRealFunction { /** Constant. */ private final double c; /** * @param c Constant. */ public Constant(double c) { this.c = c; } /** {@inheritDoc} */ public double value(double x) { return c; } }