[12380] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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| 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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[13412] | 22 | using System;
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[12380] | 23 | using HeuristicLab.Common;
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| 24 | using HeuristicLab.Core;
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| 25 | using HeuristicLab.Data;
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| 26 | using HeuristicLab.Encodings.PermutationEncoding;
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| 27 | using HeuristicLab.Parameters;
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| 28 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 29 |
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| 30 | namespace HeuristicLab.Problems.PTSP {
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[13470] | 31 | [Item("PTSP Analytical Inversion Move Evaluator", "Evaluates an inversion move (2-opt) by a full solution evaluation.")]
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[12380] | 32 | [StorableClass]
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[13470] | 33 | public class PTSPAnalyticalInversionMoveEvaluator : AnalyticalPTSPMoveEvaluator, IPermutationInversionMoveOperator {
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[13412] | 34 |
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[12380] | 35 | public ILookupParameter<InversionMove> InversionMoveParameter {
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| 36 | get { return (ILookupParameter<InversionMove>)Parameters["InversionMove"]; }
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| 37 | }
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| 38 |
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| 39 | [StorableConstructor]
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[13470] | 40 | protected PTSPAnalyticalInversionMoveEvaluator(bool deserializing) : base(deserializing) { }
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| 41 | protected PTSPAnalyticalInversionMoveEvaluator(PTSPAnalyticalInversionMoveEvaluator original, Cloner cloner) : base(original, cloner) { }
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| 42 | public PTSPAnalyticalInversionMoveEvaluator()
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[12380] | 43 | : base() {
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| 44 | Parameters.Add(new LookupParameter<InversionMove>("InversionMove", "The move to evaluate."));
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| 45 | }
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| 46 |
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| 47 | public override IDeepCloneable Clone(Cloner cloner) {
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[13470] | 48 | return new PTSPAnalyticalInversionMoveEvaluator(this, cloner);
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[12380] | 49 | }
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| 50 |
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[13470] | 51 | public static double EvaluateMove(Permutation tour, InversionMove move, Func<int, int, double> distance, DoubleArray probabilities) {
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| 52 | var afterMove = (Permutation)tour.Clone();
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| 53 | InversionManipulator.Apply(afterMove, move.Index1, move.Index2);
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| 54 | return AnalyticalProbabilisticTravelingSalesmanProblem.Evaluate(afterMove, distance, probabilities);
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[12380] | 55 | }
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| 56 |
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[13470] | 57 | protected override double EvaluateMove(Permutation tour, Func<int, int, double> distance, DoubleArray probabilities) {
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| 58 | return EvaluateMove(tour, InversionMoveParameter.ActualValue, distance, probabilities);
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[12380] | 59 | }
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| 60 | }
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| 61 | }
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