[5996] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[9456] | 3 | * Copyright (C) 2002-2013 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[5996] | 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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[6628] | 22 | using System.Collections.Generic;
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[5996] | 23 | using HeuristicLab.Analysis;
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| 24 | using HeuristicLab.Common;
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| 25 | using HeuristicLab.Core;
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| 26 | using HeuristicLab.Data;
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| 27 | using HeuristicLab.Encodings.PermutationEncoding;
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| 28 | using HeuristicLab.Parameters;
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| 29 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 30 |
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| 31 | namespace HeuristicLab.Problems.QuadraticAssignment {
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| 32 | /// <summary>
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| 33 | /// An operator for analyzing the frequency of alleles in solutions of Quadratic Assignment Problems.
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| 34 | /// </summary>
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| 35 | [Item("QAPAlleleFrequencyAnalyzer", "An operator for analyzing the frequency of alleles in solutions of Quadratic Assignment Problems.")]
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| 36 | [StorableClass]
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| 37 | public sealed class QAPAlleleFrequencyAnalyzer : AlleleFrequencyAnalyzer<Permutation> {
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| 38 | public LookupParameter<DoubleMatrix> WeightsParameter {
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| 39 | get { return (LookupParameter<DoubleMatrix>)Parameters["Weights"]; }
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| 40 | }
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| 41 | public LookupParameter<DoubleMatrix> DistancesParameter {
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| 42 | get { return (LookupParameter<DoubleMatrix>)Parameters["Distances"]; }
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| 43 | }
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| 44 |
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| 45 | [StorableConstructor]
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| 46 | private QAPAlleleFrequencyAnalyzer(bool deserializing) : base(deserializing) { }
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| 47 | private QAPAlleleFrequencyAnalyzer(QAPAlleleFrequencyAnalyzer original, Cloner cloner) : base(original, cloner) { }
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| 48 | public QAPAlleleFrequencyAnalyzer()
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| 49 | : base() {
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| 50 | Parameters.Add(new LookupParameter<DoubleMatrix>("Weights", "The matrix contains the weights between the facilities."));
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| 51 | Parameters.Add(new LookupParameter<DoubleMatrix>("Distances", "The matrix which contains the distances between the locations."));
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| 52 | }
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| 53 |
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| 54 | public override IDeepCloneable Clone(Cloner cloner) {
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| 55 | return new QAPAlleleFrequencyAnalyzer(this, cloner);
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| 56 | }
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| 57 |
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| 58 | protected override Allele[] CalculateAlleles(Permutation solution) {
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[6628] | 59 | Allele[] alleles = new Allele[solution.Length * solution.Length];
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| 60 | Dictionary<string, int> allelesDict = new Dictionary<string, int>();
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[5996] | 61 | DoubleMatrix weights = WeightsParameter.ActualValue;
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| 62 | DoubleMatrix distances = DistancesParameter.ActualValue;
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| 63 | double impact;
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| 64 |
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[6628] | 65 | for (int x = 0; x < solution.Length; x++) {
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| 66 | for (int y = 0; y < solution.Length; y++) {
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| 67 | string allele = weights[x, y].ToString() + ">" + distances[solution[x], solution[y]].ToString();
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| 68 | int repetition = 1;
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| 69 | if (allelesDict.ContainsKey(allele)) repetition += allelesDict[allele];
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| 70 | allelesDict[allele] = repetition;
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| 71 | impact = weights[x, y] * distances[solution[x], solution[y]];
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| 72 | alleles[x * solution.Length + y] = new Allele(allele + "/" + repetition, impact);
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| 73 | }
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[5996] | 74 | }
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| 75 |
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| 76 | return alleles;
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| 77 | }
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| 78 | }
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| 79 | }
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