source: trunk/sources/HeuristicLab.Problems.TestFunctions/3.3/MoveEvaluators/RastriginAdditiveMoveEvaluator.cs @ 3322

Last change on this file since 3322 was 3322, checked in by abeham, 11 years ago

Added constructors and parameters in RastriginAdditiveMoveEvaluator and SphereAdditiveMoveEvaluator #934

File size: 2.5 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2010 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.Core;
23using HeuristicLab.Data;
24using HeuristicLab.Encodings.RealVectorEncoding;
25using HeuristicLab.Parameters;
26using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
27
28namespace HeuristicLab.Problems.TestFunctions {
29  [Item("RastriginAdditiveMoveEvaluator", "Class for evaluating an additive move on the Rastrigin function.")]
30  [StorableClass]
31  public class RastriginAdditiveMoveEvaluator : AdditiveMoveEvaluator, IRastriginMoveEvaluator {
32    public override System.Type EvaluatorType {
33      get { return typeof(RastriginEvaluator); }
34    }
35    /// <summary>
36    /// 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.
37    /// </summary>
38    public ValueParameter<DoubleValue> AParameter {
39      get { return (ValueParameter<DoubleValue>)Parameters["A"]; }
40    }
41    /// <summary>
42    /// 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.
43    /// </summary>
44    public DoubleValue A {
45      get { return AParameter.Value; }
46      set { if (value != null) AParameter.Value = value; }
47    }
48
49    public RastriginAdditiveMoveEvaluator() {
50      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)));
51    }
52
53    protected override double Evaluate(double quality, RealVector point, AdditiveMove move) {
54      RealVectorAdditiveMoveWrapper wrapper = new RealVectorAdditiveMoveWrapper(move, point);
55      return RastriginEvaluator.Apply(wrapper, A.Value);
56    }
57  }
58}
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