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source: trunk/sources/HeuristicLab.Problems.TestFunctions/3.3/MoveEvaluators/RastriginAdditiveMoveEvaluator.cs @ 6230

Last change on this file since 6230 was 5445, checked in by swagner, 14 years ago

Updated year of copyrights (#1406)

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1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2011 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("RastriginAdditiveMoveEvaluator", "Class for evaluating an additive move on the Rastrigin function.")]
31  [StorableClass]
32  public class RastriginAdditiveMoveEvaluator : AdditiveMoveEvaluator, IRastriginMoveEvaluator {
33    public override System.Type EvaluatorType {
34      get { return typeof(RastriginEvaluator); }
35    }
36    /// <summary>
37    /// The parameter A is a parameter of the objective function y = Sum((x_i)^2 + A * (1 - Cos(2pi*x_i))). Default is A = 10.
38    /// </summary>
39    public ValueParameter<DoubleValue> AParameter {
40      get { return (ValueParameter<DoubleValue>)Parameters["A"]; }
41    }
42    /// <summary>
43    /// The parameter A is a parameter of the objective function y = Sum((x_i)^2 + A * (1 - Cos(2pi*x_i))). Default is A = 10.
44    /// </summary>
45    public DoubleValue A {
46      get { return AParameter.Value; }
47      set { if (value != null) AParameter.Value = value; }
48    }
49
50    [StorableConstructor]
51    protected RastriginAdditiveMoveEvaluator(bool deserializing) : base(deserializing) { }
52    protected RastriginAdditiveMoveEvaluator(RastriginAdditiveMoveEvaluator original, Cloner cloner) : base(original, cloner) { }
53    public RastriginAdditiveMoveEvaluator() {
54      Parameters.Add(new ValueParameter<DoubleValue>("A", "The parameter A is a parameter of the objective function y = Sum((x_i)^2 + A * (1 - Cos(2pi*x_i))). Default is A = 10.", new DoubleValue(10)));
55    }
56
57    public override IDeepCloneable Clone(Cloner cloner) {
58      return new RastriginAdditiveMoveEvaluator(this, cloner);
59    }
60
61    protected override double Evaluate(double quality, RealVector point, AdditiveMove move) {
62      RealVectorAdditiveMoveWrapper wrapper = new RealVectorAdditiveMoveWrapper(move, point);
63      return RastriginEvaluator.Apply(wrapper, A.Value);
64    }
65  }
66}
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