1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2013 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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22 | namespace HeuristicLab.Problems.Instances.QAPGenerator {
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23 | public sealed class TaibQAPInstanceGeneratorDescriptor : QAPInstanceGeneratorDescriptor {
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24 |
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25 | private int maxClusterDistance;
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26 | public int MaxClusterDistance {
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27 | get { return maxClusterDistance; }
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28 | set {
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29 | if (maxClusterDistance == value) return;
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30 | maxClusterDistance = value;
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31 | OnPropertyChanged("MaxClusterDistance");
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32 | }
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33 | }
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34 |
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35 | private int maxClusterSize;
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36 | public int MaxClusterSize {
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37 | get { return maxClusterSize; }
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38 | set {
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39 | if (maxClusterSize == value) return;
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40 | maxClusterSize = value;
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41 | OnPropertyChanged("MaxClusterSize");
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42 | }
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43 | }
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44 |
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45 | private int maxClusterRadius;
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46 | public int MaxClusterRadius {
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47 | get { return maxClusterRadius; }
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48 | set {
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49 | if (maxClusterRadius == value) return;
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50 | maxClusterRadius = value;
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51 | OnPropertyChanged("MaxClusterRadius");
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52 | }
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53 | }
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54 |
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55 | private int minFlowExponent;
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56 | public int MinFlowExponent {
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57 | get { return minFlowExponent; }
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58 | set {
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59 | if (minFlowExponent == value) return;
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60 | minFlowExponent = value;
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61 | OnPropertyChanged("MinFlowExponent");
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62 | }
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63 | }
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64 |
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65 | private int maxFlowExponent;
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66 | public int MaxFlowExponent {
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67 | get { return maxFlowExponent; }
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68 | set {
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69 | if (maxFlowExponent == value) return;
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70 | maxFlowExponent = value;
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71 | OnPropertyChanged("MaxFlowExponent");
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72 | }
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73 | }
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74 |
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75 | public override string Name {
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76 | get { return "Tai-b Instances"; }
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77 | }
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78 |
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79 | public override string Description {
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80 | get { return "Generates randomly clustered symmetric QAP instances with more real-world like flows."; }
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81 | }
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82 |
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83 | public override bool IsConfigurationValid {
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84 | get {
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85 | return base.IsConfigurationValid
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86 | && MaxClusterDistance > 0
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87 | && MaxClusterRadius > 0
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88 | && MaxClusterSize > 0
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89 | && MinFlowExponent < MaxFlowExponent
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90 | && MaxFlowExponent > 0;
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91 | }
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92 | }
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93 |
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94 | public TaibQAPInstanceGeneratorDescriptor() {
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95 | // default ctor should result in a valid configuration
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96 | N = 20;
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97 | Seed = 123456789;
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98 | MaxClusterDistance = 1000;
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99 | MaxClusterRadius = 20;
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100 | MaxClusterSize = 10;
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101 | MinFlowExponent = -5;
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102 | MaxFlowExponent = 3;
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103 | }
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104 |
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105 | public override QAPData GetInstance() {
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106 | double[,] A, B;
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107 | TaillardQAPInstanceGenerator.GenerateTaib(N, maxClusterDistance, maxClusterSize, maxClusterRadius, minFlowExponent, maxFlowExponent, out A, out B, new Bratley(Seed));
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108 | return new QAPData {
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109 | Name = "tai" + N.ToString("00") + "b (" + maxClusterDistance + ", " + maxClusterSize + ", " + maxClusterRadius + ") [" + minFlowExponent + ";" + maxFlowExponent + "]",
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110 | Description = "Instance generated with TaillardQAPInstanceGenerator.GenerateTaib",
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111 | Dimension = N,
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112 | Weights = B,
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113 | Distances = A
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114 | };
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115 | }
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116 | }
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117 | }
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