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Ignore:
Timestamp:
02/25/11 11:37:01 (14 years ago)
Author:
abeham
Message:

#1330

  • Worked on QAP
  • Added QAPLIB problems
Location:
branches/QAP/HeuristicLab.Problems.QuadraticAssignment/3.3
Files:
256 added
6 edited

Legend:

Unmodified
Added
Removed

  • branches/QAP/HeuristicLab.Problems.QuadraticAssignment/3.3

    • Property svn:ignore

      •  

        old new  
        22obj
        33Plugin.cs
         4*.user

  • branches/QAP/HeuristicLab.Problems.QuadraticAssignment/3.3/Evaluators/QAPEvaluator.cs

    r5558 r5562  
    6464    }
    6565
     66    public override IDeepCloneable Clone(Cloner cloner) {
     67      return new QAPEvaluator(this, cloner);
     68    }
     69
     70    public static double Apply(Permutation assignment, DoubleMatrix weights, Func<int, int, double> distance) {
     71      double quality = 0;
     72      for (int i = 0; i < assignment.Length; i++) {
     73        for (int j = 0; j < assignment.Length; j++) {
     74          quality += weights[i, j] * distance(assignment[i], assignment[j]);
     75        }
     76      }
     77      return quality;
     78    }
     79
    6680    public override IOperation Apply() {
    6781      Permutation assignment = PermutationParameter.ActualValue;
    6882      bool useDistanceMatrix = UseDistanceMatrixParameter.ActualValue.Value;
    6983      DoubleMatrix weights = WeightsParameter.ActualValue;
    70       double quality = 0;
     84      double quality;
     85
    7186      if (useDistanceMatrix) {
    7287        DoubleMatrix distanceMatrix = DistanceMatrixParameter.ActualValue;
    73         for (int facility = 0; facility < assignment.Length; facility++) {
    74           int location = assignment[facility];
    75           for (int i = 0; i < weights.Columns; i++) {
    76             double w = weights[facility, i];
    77             if (facility != i && Math.Abs(w) > double.Epsilon)
    78               quality += w * distanceMatrix[location, assignment[i]];
    79           }
    80         }
     88        quality = Apply(assignment, weights, (x, y) => distanceMatrix[x, y]);
    8189      } else {
    8290        DoubleMatrix coordinates = CoordinatesParameter.ActualValue;
    83         for (int facility = 0; facility < assignment.Length; facility++) {
    84           int location = assignment[facility];
    85           for (int i = 0; i < weights.Columns; i++) {
    86             double w = weights[facility, i];
    87             if (facility != i && Math.Abs(w) > double.Epsilon)
    88               quality += w * Distance(coordinates, location, assignment[i]);
    89           }
    90         }
     91        quality = Apply(assignment, weights, (x, y) => Distance(coordinates, x, y));
    9192      }
     93
    9294      QualityParameter.ActualValue = new DoubleValue(quality);
     95
    9396      return base.Apply();
    9497    }

  • branches/QAP/HeuristicLab.Problems.QuadraticAssignment/3.3/HeuristicLab.Problems.QuadraticAssignment-3.3.csproj

    r5558 r5562  
    143143    <Compile Include="Evaluators\QAPEvaluator.cs" />
    144144    <Compile Include="Interfaces\IQAPEvaluator.cs" />
     145    <Compile Include="Parsers\QAPLIBParser.cs" />
    145146    <Compile Include="QuadraticAssignmentProblem.cs" />
     147    <EmbeddedResource Include="Data\bur26a.dat" />
     148    <EmbeddedResource Include="Data\bur26b.dat" />
     149    <EmbeddedResource Include="Data\bur26c.dat" />
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     151    <EmbeddedResource Include="Data\bur26e.dat" />
     152    <EmbeddedResource Include="Data\bur26f.dat" />
     153    <EmbeddedResource Include="Data\bur26g.dat" />
     154    <EmbeddedResource Include="Data\bur26h.dat" />
     155    <EmbeddedResource Include="Data\chr12a.dat" />
     156    <EmbeddedResource Include="Data\chr12b.dat" />
     157    <EmbeddedResource Include="Data\chr12c.dat" />
     158    <EmbeddedResource Include="Data\chr15a.dat" />
     159    <EmbeddedResource Include="Data\chr15b.dat" />
     160    <EmbeddedResource Include="Data\chr15c.dat" />
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     165    <EmbeddedResource Include="Data\chr20c.dat" />
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     168    <EmbeddedResource Include="Data\chr25a.dat" />
     169    <EmbeddedResource Include="Data\els19.dat" />
     170    <EmbeddedResource Include="Data\esc128.dat" />
     171    <EmbeddedResource Include="Data\esc16a.dat" />
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     248    <EmbeddedResource Include="Data\ste36a.dat" />
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     251    <EmbeddedResource Include="Data\tai100a.dat" />
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     255    <EmbeddedResource Include="Data\tai12a.dat" />
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     261    <EmbeddedResource Include="Data\tai20a.dat" />
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     282    <EmbeddedResource Include="Data\wil100.dat" />
     283    <EmbeddedResource Include="Data\wil50.dat" />
    146284    <None Include="Plugin.cs.frame" />
    147285    <Compile Include="Plugin.cs" />
    … …  
    152290    <None Include="HeuristicLab.snk" />
    153291  </ItemGroup>
    154   <ItemGroup />
     292  <ItemGroup>
     293    <EmbeddedResource Include="Data\bur26a.sln" />
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     295    <EmbeddedResource Include="Data\bur26c.sln" />
     296    <EmbeddedResource Include="Data\bur26d.sln" />
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     299    <EmbeddedResource Include="Data\bur26g.sln" />
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     313    <EmbeddedResource Include="Data\chr22b.sln" />
     314    <EmbeddedResource Include="Data\chr25a.sln" />
     315    <EmbeddedResource Include="Data\els19.sln" />
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  • branches/QAP/HeuristicLab.Problems.QuadraticAssignment/3.3/Interfaces/IQAPEvaluator.cs

    r5558 r5562  
    2727namespace HeuristicLab.Problems.QuadraticAssignment {
    2828  public interface IQAPEvaluator : ISingleObjectiveEvaluator {
    29     public ILookupParameter<Permutation> PermutationParameter { get; }
    30     public ILookupParameter<BoolValue> UseDistanceMatrixParameter { get; }
    31     public ILookupParameter<DoubleMatrix> DistanceMatrixParameter { get; }
    32     public ILookupParameter<DoubleMatrix> CoordinatesParameter { get; }
    33     public ILookupParameter<DoubleMatrix> WeightsParameter { get; }
     29    ILookupParameter<Permutation> PermutationParameter { get; }
     30    ILookupParameter<BoolValue> UseDistanceMatrixParameter { get; }
     31    ILookupParameter<DoubleMatrix> DistanceMatrixParameter { get; }
     32    ILookupParameter<DoubleMatrix> CoordinatesParameter { get; }
     33    ILookupParameter<DoubleMatrix> WeightsParameter { get; }
    3434  }
    3535}

  • branches/QAP/HeuristicLab.Problems.QuadraticAssignment/3.3/Plugin.cs.frame

    r5558 r5562  
    3535  [PluginDependency("HeuristicLab.Parameters", "3.3.3")]
    3636  [PluginDependency("HeuristicLab.Persistence", "3.3.3")]
    37   public class HeuristicLabProblemsQuadraticAssignmentPlugin : PluginBase {
    38   }
     37  public class HeuristicLabProblemsQuadraticAssignmentPlugin : PluginBase { }
    3938}

  • branches/QAP/HeuristicLab.Problems.QuadraticAssignment/3.3/QuadraticAssignmentProblem.cs

    r5558 r5562  
    2121
    2222using System;
    23 using System.Collections.Generic;
    2423using System.Drawing;
     24using System.IO;
    2525using System.Linq;
     26using System.Reflection;
    2627using HeuristicLab.Common;
    2728using HeuristicLab.Core;
    … …  
    3132using HeuristicLab.Parameters;
    3233using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
     34using HeuristicLab.PluginInfrastructure;
    3335
    3436namespace HeuristicLab.Problems.QuadraticAssignment {
    … …  
    4244
    4345    #region Parameter Properties
    44     public ValueParameter<IPermutationCreator> SolutionCreatorParameter {
    45       get { return (ValueParameter<IPermutationCreator>)Parameters["SolutionCreator"]; }
    46     }
    47     IParameter IProblem.SolutionCreatorParameter {
    48       get { return SolutionCreatorParameter; }
    49     }
    50     public ValueParameter<IQAPEvaluator> EvaluatorParameter {
    51       get { return (ValueParameter<IQAPEvaluator>)Parameters["Evaluator"]; }
    52     }
    53     IParameter IProblem.EvaluatorParameter {
    54       get { return EvaluatorParameter; }
    55     }
    5646    public ValueParameter<Permutation> BestKnownSolutionParameter {
    5747      get { return (ValueParameter<Permutation>)Parameters["BestKnownSolution"]; }
    … …  
    7363
    7464    #region Properties
    75     public IPermutationCreator SolutionCreator {
    76       get { return SolutionCreatorParameter.Value; }
    77       set { SolutionCreatorParameter.Value = value; }
    78     }
    79     ISolutionCreator IProblem.SolutionCreator {
    80       get { return SolutionCreatorParameter.Value; }
    81     }
    82     public IQAPEvaluator Evaluator {
    83       get { return EvaluatorParameter.Value; }
    84       set { EvaluatorParameter.Value = value; }
    85     }
    86     ISingleObjectiveEvaluator ISingleObjectiveProblem.Evaluator {
    87       get { return EvaluatorParameter.Value; }
    88     }
    89     IEvaluator IProblem.Evaluator {
    90       get { return EvaluatorParameter.Value; }
    91     }
    9265    public Permutation BestKnownSolution {
    9366      get { return BestKnownSolutionParameter.Value; }
    9467      set { BestKnownSolutionParameter.Value = value; }
    9568    }
    96 
    9769    public DoubleMatrix Coordinates {
    9870      get { return CoordinatesParameter.Value; }
    … …  
    11183      set { UseDistanceMatrixParameter.Value = value; }
    11284    }
    113 
    114     public IEnumerable<IOperator> Operators {
    115       get { return operators; }
    116     }
    117     #endregion
    118 
    119     [Storable]
    120     private List<IOperator> operators;
     85    #endregion
    12186
    12287    [StorableConstructor]
    12388    private QuadraticAssignmentProblem(bool deserializing) : base(deserializing) { }
    124     protected QuadraticAssignmentProblem(QuadraticAssignmentProblem original, Cloner cloner)
     89    private QuadraticAssignmentProblem(QuadraticAssignmentProblem original, Cloner cloner)
    12590      : base(original, cloner) {
    126       this.operators = original.operators.Select(x => (IOperator)cloner.Clone(x)).ToList();
    12791      AttachEventHandlers();
    12892    }
    … …  
    13195      RandomPermutationCreator solutionCreator = new RandomPermutationCreator();
    13296      solutionCreator.LengthParameter.Value = new IntValue(5);
    133 
     97      solutionCreator.PermutationParameter.ActualName = "Assignment";
    13498      QAPEvaluator evaluator = new QAPEvaluator();
    13599
    … …  
    178142
    179143    #region Events
    180     public event EventHandler SolutionCreatorChanged;
    181     private void OnSolutionCreatorChanged() {
    182       EventHandler handler = SolutionCreatorChanged;
    183       if (handler != null) handler(this, EventArgs.Empty);
    184     }
    185     public event EventHandler EvaluatorChanged;
    186     private void OnEvaluatorChanged() {
    187       EventHandler handler = EvaluatorChanged;
    188       if (handler != null) handler(this, EventArgs.Empty);
    189     }
    190     public event EventHandler OperatorsChanged;
    191     private void OnOperatorsChanged() {
    192       EventHandler handler = OperatorsChanged;
    193       if (handler != null) handler(this, EventArgs.Empty);
    194     }
    195     public event EventHandler Reset;
    196     private void OnReset() {
    197       EventHandler handler = Reset;
    198       if (handler != null) handler(this, EventArgs.Empty);
    199     }
    200 
    201     // TODO: Add your event handlers here
     144    protected override void OnSolutionCreatorChanged() {
     145      SolutionCreator.PermutationParameter.ActualNameChanged += new EventHandler(SolutionCreator_PermutationParameter_ActualNameChanged);
     146      ParameterizeSolutionCreator();
     147      ParameterizeEvaluator();
     148      ParameterizeOperators();
     149      base.OnSolutionCreatorChanged();
     150    }
     151    protected override void OnEvaluatorChanged() {
     152      ParameterizeEvaluator();
     153      ParameterizeOperators();
     154      base.OnEvaluatorChanged();
     155    }
     156
     157    private void SolutionCreator_PermutationParameter_ActualNameChanged(object sender, EventArgs e) {
     158      ParameterizeEvaluator();
     159      ParameterizeOperators();
     160    }
     161    private void WeightsParameter_ValueChanged(object sender, EventArgs e) {
     162      Weights.RowsChanged += new EventHandler(Weights_RowsChanged);
     163      ParameterizeSolutionCreator();
     164      ParameterizeEvaluator();
     165      ParameterizeOperators();
     166    }
     167    private void Weights_RowsChanged(object sender, EventArgs e) {
     168      ParameterizeSolutionCreator();
     169      ParameterizeEvaluator();
     170      ParameterizeOperators();
     171    }
    202172    #endregion
    203173
    … …  
    209179
    210180    private void AttachEventHandlers() {
    211       // TODO: Add event handlers to the parameters here
     181      WeightsParameter.ValueChanged += new EventHandler(WeightsParameter_ValueChanged);
     182      Weights.RowsChanged += new EventHandler(Weights_RowsChanged);
     183      SolutionCreator.PermutationParameter.ActualNameChanged += new EventHandler(SolutionCreator_PermutationParameter_ActualNameChanged);
    212184    }
    213185
    214186    private void InitializeOperators() {
    215       operators = new List<IOperator>();
    216       // TODO: Add custom problem analyzer to the list
    217       // TODO: Add operators from the representation either by direct instantiation, or by using ApplicationManager.Manger.GetInstances<T>().Cast<IOperator>()
     187      Operators.AddRange(ApplicationManager.Manager.GetInstances<IPermutationOperator>());
    218188    }
    219189    private void ParameterizeSolutionCreator() {
    220190      SolutionCreator.PermutationTypeParameter.Value = new PermutationType(PermutationTypes.Absolute);
    221       if (UseDistanceMatrix.Value) {
    222         SolutionCreator.LengthParameter.Value = new IntValue(DistanceMatrix.Rows);
    223       } else {
    224         SolutionCreator.LengthParameter.Value = new IntValue(Coordinates.Rows);
    225       }
     191      SolutionCreator.LengthParameter.Value = new IntValue(Weights.Rows);
    226192    }
    227193    private void ParameterizeEvaluator() {
    … …  
    232198      Evaluator.WeightsParameter.ActualName = WeightsParameter.Name;
    233199    }
    234     #endregion
     200    private void ParameterizeOperators() {
     201      foreach (IPermutationCrossover op in Operators.OfType<IPermutationCrossover>()) {
     202        op.ParentsParameter.ActualName = SolutionCreator.PermutationParameter.ActualName;
     203        op.ChildParameter.ActualName = SolutionCreator.PermutationParameter.ActualName;
     204      }
     205      foreach (IPermutationManipulator op in Operators.OfType<IPermutationManipulator>()) {
     206        op.PermutationParameter.ActualName = SolutionCreator.PermutationParameter.ActualName;
     207      }
     208      foreach (IPermutationMoveOperator op in Operators.OfType<IPermutationMoveOperator>()) {
     209        op.PermutationParameter.ActualName = SolutionCreator.PermutationParameter.ActualName;
     210      }
     211      string inversionMove = Operators.OfType<IMoveGenerator>().OfType<IPermutationInversionMoveOperator>().First().InversionMoveParameter.ActualName;
     212      foreach (IPermutationInversionMoveOperator op in Operators.OfType<IPermutationInversionMoveOperator>())
     213        op.InversionMoveParameter.ActualName = inversionMove;
     214      string translocationMove = Operators.OfType<IMoveGenerator>().OfType<IPermutationTranslocationMoveOperator>().First().TranslocationMoveParameter.ActualName;
     215      foreach (IPermutationTranslocationMoveOperator op in Operators.OfType<IPermutationTranslocationMoveOperator>())
     216        op.TranslocationMoveParameter.ActualName = translocationMove;
     217    }
     218    #endregion
     219
     220    public void ImportFromQAPLib(string filename) {
     221      QAPLIBParser parser = new QAPLIBParser();
     222      parser.Parse(filename);
     223      DistanceMatrix = new DoubleMatrix(parser.Distances);
     224      Weights = new DoubleMatrix(parser.Weights);
     225      UseDistanceMatrix.Value = true;
     226      Name = "Quadratic Assignment Problem (imported from " + Path.GetFileNameWithoutExtension(filename) + ")";
     227      Description = "Imported problem data using QAPLIBParser " + Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyFileVersionAttribute), true).Cast<AssemblyFileVersionAttribute>().FirstOrDefault().Version + ".";
     228      OnReset();
     229    }
    235230  }
    236231}
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