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 package org.apache.commons.nabla.core; 018 019 /** Interface defining the class differentiation operation. 020 */ 021 public interface UnivariateDifferentiator { 022 023 /** Create an implementation of a differential for a 024 * {@link UnivariateDifferentiable differentiable function}. 025 * @param d differentiable function to differentiate 026 * @return derivative function 027 * @exception DifferentiationException if the class cannot be differentiated 028 */ 029 UnivariateDerivative differentiate(UnivariateDifferentiable d) 030 throws DifferentiationException; 031 032 }