| /* |
| * 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.math4.legacy.analysis.differentiation; |
| |
| import org.apache.commons.math4.legacy.analysis.UnivariateFunction; |
| import org.apache.commons.math4.legacy.exception.DimensionMismatchException; |
| |
| /** Interface for univariate functions derivatives. |
| * <p>This interface represents a simple function which computes |
| * both the value and the first derivative of a mathematical function. |
| * The derivative is computed with respect to the input variable.</p> |
| * @see UnivariateDifferentiableFunction |
| * @see UnivariateFunctionDifferentiator |
| * @since 3.1 |
| */ |
| public interface UnivariateDifferentiableFunction extends UnivariateFunction { |
| |
| /** Simple mathematical function. |
| * <p>{@link UnivariateDifferentiableFunction} classes compute both the |
| * value and the first derivative of the function.</p> |
| * @param t function input value |
| * @return function result |
| * @exception DimensionMismatchException if t is inconsistent with the |
| * function's free parameters or order |
| */ |
| DerivativeStructure value(DerivativeStructure t) |
| throws DimensionMismatchException; |
| |
| } |
