Free cookie consent management tool by TermsFeed Policy Generator

source: trunk/sources/HeuristicLab.Encodings.RealVectorEncoding/3.3/Moves/AdditiveMoveTabuMaker.cs @ 3340

Last change on this file since 3340 was 3340, checked in by abeham, 14 years ago

Updated Tabu search, permutation move operators, real vector move operators, binary vector move operators #840
Added a Tabu Search TSP workbench

File size: 2.4 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 System;
23using HeuristicLab.Core;
24using HeuristicLab.Data;
25using HeuristicLab.Operators;
26using HeuristicLab.Optimization;
27using HeuristicLab.Parameters;
28using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
29
30namespace HeuristicLab.Encodings.RealVectorEncoding {
31  [Item("AdditiveMoveTabuMaker", "Sets the move tabu.")]
32  [StorableClass]
33  public class AdditiveMoveTabuMaker : TabuMaker, IAdditiveRealVectorMoveOperator {
34    public ILookupParameter<AdditiveMove> AdditiveMoveParameter {
35      get { return (ILookupParameter<AdditiveMove>)Parameters["AdditiveMove"]; }
36    }
37    public ILookupParameter<RealVector> RealVectorParameter {
38      get { return (ILookupParameter<RealVector>)Parameters["RealVector"]; }
39    }
40
41    public AdditiveMoveTabuMaker()
42      : base() {
43      Parameters.Add(new LookupParameter<AdditiveMove>("AdditiveMove", "The move to evaluate."));
44      Parameters.Add(new LookupParameter<RealVector>("RealVector", "The solution as permutation."));
45    }
46
47    protected override IItem GetTabuAttribute(bool maximization, double quality, double moveQuality) {
48      AdditiveMove move = AdditiveMoveParameter.ActualValue;
49      RealVector vector = RealVectorParameter.ActualValue;
50      double baseQuality = moveQuality;
51      if (maximization && quality > moveQuality || !maximization && quality < moveQuality) baseQuality = quality;
52      return new AdditiveMoveTabuAttribute(move.Dimension, vector[move.Dimension], vector[move.Dimension] + move.MoveDistance, baseQuality);
53    }
54   
55    public override bool CanChangeName {
56      get { return false; }
57    }
58  }
59}
Note: See TracBrowser for help on using the repository browser.