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source: branches/2893_BNLR/HeuristicLab.Problems.PTSP/3.3/Moves/OneShift/PTSPAnalyticalInsertionMoveEvaluator.cs @ 16752

Last change on this file since 16752 was 15583, checked in by swagner, 7 years ago

#2640: Updated year of copyrights in license headers

File size: 2.8 KB
Line 
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 System;
23using HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Data;
26using HeuristicLab.Encodings.PermutationEncoding;
27using HeuristicLab.Parameters;
28using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
29
30namespace HeuristicLab.Problems.PTSP {
31  [Item("PTSP Analytical Insertion Move Evaluator", "Evaluates an insertion move (1-shift) by a full solution evaluation")]
32  [StorableClass]
33  public class PTSPAnalyticalInsertionMoveEvaluator : AnalyticalPTSPMoveEvaluator, IPermutationTranslocationMoveOperator {
34
35    public ILookupParameter<TranslocationMove> TranslocationMoveParameter {
36      get { return (ILookupParameter<TranslocationMove>)Parameters["TranslocationMove"]; }
37    }
38
39    [StorableConstructor]
40    protected PTSPAnalyticalInsertionMoveEvaluator(bool deserializing) : base(deserializing) { }
41    protected PTSPAnalyticalInsertionMoveEvaluator(PTSPAnalyticalInsertionMoveEvaluator original, Cloner cloner) : base(original, cloner) { }
42    public PTSPAnalyticalInsertionMoveEvaluator()
43      : base() {
44      Parameters.Add(new LookupParameter<TranslocationMove>("TranslocationMove", "The move to evaluate."));
45    }
46
47    public override IDeepCloneable Clone(Cloner cloner) {
48      return new PTSPAnalyticalInsertionMoveEvaluator(this, cloner);
49    }
50
51    public static double EvaluateMove(Permutation tour, TranslocationMove move, Func<int, int, double> distance, DoubleArray probabilities) {
52      var afterMove = (Permutation)tour.Clone();
53      TranslocationManipulator.Apply(afterMove, move.Index1, move.Index1, move.Index3);
54      return AnalyticalProbabilisticTravelingSalesmanProblem.Evaluate(afterMove, distance, probabilities);
55    }
56
57    protected override double EvaluateMove(Permutation tour, Func<int, int, double> distance, DoubleArray probabilities) {
58      return EvaluateMove(tour, TranslocationMoveParameter.ActualValue, distance, probabilities);
59    }
60  }
61}
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