1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * https://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 /*
19 * This is not the original file distributed by the Apache Software Foundation
20 * It has been modified by the Hipparchus project
21 */
22 package org.hipparchus.optim.nonlinear.vector.leastsquares;
23
24 import org.hipparchus.linear.RealVector;
25 import org.hipparchus.optim.ConvergenceChecker;
26 import org.hipparchus.util.Incrementor;
27
28 /**
29 * An adapter that delegates to another implementation of {@link LeastSquaresProblem}.
30 *
31 */
32 public class LeastSquaresAdapter implements LeastSquaresProblem {
33
34 /** the delegate problem */
35 private final LeastSquaresProblem problem;
36
37 /**
38 * Delegate the {@link LeastSquaresProblem} interface to the given implementation.
39 *
40 * @param problem the delegate
41 */
42 public LeastSquaresAdapter(final LeastSquaresProblem problem) {
43 this.problem = problem;
44 }
45
46 /** {@inheritDoc} */
47 @Override
48 public RealVector getStart() {
49 return problem.getStart();
50 }
51
52 /** {@inheritDoc} */
53 @Override
54 public int getObservationSize() {
55 return problem.getObservationSize();
56 }
57
58 /** {@inheritDoc} */
59 @Override
60 public int getParameterSize() {
61 return problem.getParameterSize();
62 }
63
64 /** {@inheritDoc} */
65 @Override
66 public Evaluation evaluate(final RealVector point) {
67 return problem.evaluate(point);
68 }
69
70 /** {@inheritDoc} */
71 @Override
72 public Incrementor getEvaluationCounter() {
73 return problem.getEvaluationCounter();
74 }
75
76 /** {@inheritDoc} */
77 @Override
78 public Incrementor getIterationCounter() {
79 return problem.getIterationCounter();
80 }
81
82 /** {@inheritDoc} */
83 @Override
84 public ConvergenceChecker<Evaluation> getConvergenceChecker() {
85 return problem.getConvergenceChecker();
86 }
87 }