1 /*
2 * Copyright (C) 2012 Alberto Irurueta Carro (alberto@irurueta.com)
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package com.irurueta.numerical;
17
18 /**
19 * Interface to define how single dimension functions can be evaluated.
20 * This interface is used in several algorithms to provide methods to evaluate
21 * functions and retrieve their minima/maxima, etc.
22 */
23 public interface SingleDimensionFunctionEvaluatorListener {
24
25 /**
26 * Evaluates a single dimension function such as f(x) at provided point and
27 * returns the result.
28 *
29 * @param point Point where function will be evaluated.
30 * @return Value returned by the function.
31 * @throws EvaluationException Raised if something failed during the evaluation.
32 */
33 double evaluate(final double point) throws EvaluationException;
34 }