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 */
017package org.apache.commons.math3.analysis;
018
019/**
020 * Extension of {@link UnivariateFunction} representing a differentiable univariate real function.
021 *
022 * @deprecated as of 3.1 replaced by {@link org.apache.commons.math3.analysis.differentiation.UnivariateDifferentiableFunction}
023 */
024@Deprecated
025public interface DifferentiableUnivariateFunction
026    extends UnivariateFunction {
027
028    /**
029     * Returns the derivative of the function
030     *
031     * @return  the derivative function
032     */
033    UnivariateFunction derivative();
034
035}