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source: branches/2213_irace/HeuristicLab.Problems.TestFunctions/3.3/MoveEvaluators/SphereAdditiveMoveEvaluator.cs @ 17116

Last change on this file since 17116 was 15583, checked in by swagner, 7 years ago

#2640: Updated year of copyrights in license headers

File size: 3.6 KB
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1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using HeuristicLab.Common;
23using HeuristicLab.Core;
24using HeuristicLab.Data;
25using HeuristicLab.Encodings.RealVectorEncoding;
26using HeuristicLab.Parameters;
27using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
28
29namespace HeuristicLab.Problems.TestFunctions {
30  [Item("SphereAdditiveMoveEvaluator", "Class for evaluating an additive move on the Sphere function.")]
31  [StorableClass]
32  public class SphereAdditiveMoveEvaluator : AdditiveMoveEvaluator, ISphereMoveEvaluator {
33    /// <summary>
34    /// The parameter C modifies the steepness of the objective function y = C * ||X||^Alpha. Default is C = 1.
35    /// </summary>
36    public ValueParameter<DoubleValue> CParameter {
37      get { return (ValueParameter<DoubleValue>)Parameters["C"]; }
38    }
39    /// <summary>
40    /// The parameter Alpha modifies the steepness of the objective function y = C * ||X||^Alpha. Default is Alpha = 2.
41    /// </summary>
42    public ValueParameter<DoubleValue> AlphaParameter {
43      get { return (ValueParameter<DoubleValue>)Parameters["Alpha"]; }
44    }
45    /// <summary>
46    /// The parameter C modifies the steepness of the objective function y = C * ||X||^Alpha. Default is C = 1.
47    /// </summary>
48    public DoubleValue C {
49      get { return CParameter.Value; }
50      set { if (value != null) CParameter.Value = value; }
51    }
52    /// <summary>
53    /// The parameter Alpha modifies the steepness of the objective function y = C * ||X||^Alpha. Default is Alpha = 2.
54    /// </summary>
55    public DoubleValue Alpha {
56      get { return AlphaParameter.Value; }
57      set { if (value != null) AlphaParameter.Value = value; }
58    }
59
60    public override System.Type EvaluatorType {
61      get { return typeof(SphereEvaluator); }
62    }
63
64    [StorableConstructor]
65    protected SphereAdditiveMoveEvaluator(bool deserializing) : base(deserializing) { }
66    protected SphereAdditiveMoveEvaluator(SphereAdditiveMoveEvaluator original, Cloner cloner) : base(original, cloner) { }
67    public SphereAdditiveMoveEvaluator() {
68      Parameters.Add(new ValueParameter<DoubleValue>("C", "The parameter C modifies the steepness of the objective function y = C * ||X||^Alpha. Default is C = 1.", new DoubleValue(1)));
69      Parameters.Add(new ValueParameter<DoubleValue>("Alpha", "The parameter Alpha modifies the steepness of the objective function y = C * ||X||^Alpha. Default is Alpha = 2.", new DoubleValue(2)));
70    }
71
72    public override IDeepCloneable Clone(Cloner cloner) {
73      return new SphereAdditiveMoveEvaluator(this, cloner);
74    }
75
76    protected override double Evaluate(double quality, RealVector point, AdditiveMove move) {
77      RealVectorAdditiveMoveWrapper wrapper = new RealVectorAdditiveMoveWrapper(move, point);
78      return SphereEvaluator.Apply(wrapper, C.Value, Alpha.Value);
79    }
80  }
81}
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