1 | using System.Collections.Generic;
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2 | using System.Linq;
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3 | using HeuristicLab.Common;
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4 | using HeuristicLab.Core;
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5 | using HeuristicLab.Data;
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6 | using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
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7 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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8 | using HeuristicLab.Problems.DataAnalysis.Symbolic;
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9 |
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10 | namespace HeuristicLab.Problems.MetaOptimization {
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11 | [StorableClass]
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12 | public class SymbolValueConfiguration : ParameterizedValueConfiguration {
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13 |
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14 | #region Constructors and Cloning
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15 | [StorableConstructor]
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16 | protected SymbolValueConfiguration(bool deserializing) : base(deserializing) { }
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17 | public SymbolValueConfiguration() : base() { }
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18 | public SymbolValueConfiguration(Symbol symbol)
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19 | : base() {
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20 | this.IsOptimizable = true;
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21 | this.Optimize = false;
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22 | this.Name = symbol.Name;
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23 | this.actualValue = new ConstrainedValue(symbol, symbol.GetType(), new ItemSet<IItem> { symbol }, false);
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24 | }
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25 | protected SymbolValueConfiguration(SymbolValueConfiguration original, Cloner cloner)
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26 | : base(original, cloner) {
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27 | }
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28 | public override IDeepCloneable Clone(Cloner cloner) {
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29 | return new SymbolValueConfiguration(this, cloner);
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30 | }
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31 | #endregion
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32 |
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33 | protected override void PopulateParameterConfigurations(IItem item, bool discoverValidValues) {
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34 | this.ClearParameterConfigurations();
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35 |
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36 | var symbol = (Symbol)item;
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37 |
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38 | var initialFrequencyValueConfigurations = new List<IValueConfiguration>();
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39 | initialFrequencyValueConfigurations.Add(new RangeValueConfiguration(new DoubleValue(0), typeof(DoubleValue)));
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40 | initialFrequencyValueConfigurations.Add(new RangeValueConfiguration(new DoubleValue(1), typeof(DoubleValue)));
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41 | var initialFrequencyParameterConfiguration = new ParameterConfiguration("InitialFrequency", typeof(Symbol), new DoubleValue(symbol.InitialFrequency), initialFrequencyValueConfigurations);
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42 | this.parameterConfigurations.Add(initialFrequencyParameterConfiguration);
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43 |
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44 | var constant = symbol as Constant;
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45 | if (constant != null) {
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46 | var minValueParameterConfiguration = new ParameterConfiguration("MinValue", typeof(DoubleValue), new DoubleValue(constant.MinValue));
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47 | var maxValueParameterConfiguration = new ParameterConfiguration("MaxValue", typeof(DoubleValue), new DoubleValue(constant.MaxValue));
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48 | var manipulatorMuParameterConfiguration = new ParameterConfiguration("ManipulatorMu", typeof(DoubleValue), new DoubleValue(constant.ManipulatorMu));
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49 | var manipulatorSigmaParameterConfiguration = new ParameterConfiguration("ManipulatorSigma", typeof(DoubleValue), new DoubleValue(constant.ManipulatorSigma));
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50 | var multiplicativeManipulatorSigmaParameterConfiguration = new ParameterConfiguration("MultiplicativeManipulatorSigma", typeof(DoubleValue), new DoubleValue(constant.MultiplicativeManipulatorSigma));
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51 |
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52 | this.parameterConfigurations.Add(minValueParameterConfiguration);
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53 | this.parameterConfigurations.Add(maxValueParameterConfiguration);
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54 | this.parameterConfigurations.Add(manipulatorMuParameterConfiguration);
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55 | this.parameterConfigurations.Add(manipulatorSigmaParameterConfiguration);
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56 | this.parameterConfigurations.Add(multiplicativeManipulatorSigmaParameterConfiguration);
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57 | }
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58 |
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59 | var variable = symbol as HeuristicLab.Problems.DataAnalysis.Symbolic.Variable;
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60 | if (variable != null) {
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61 | var weightMuParameterConfiguration = new ParameterConfiguration("WeightMu", typeof(DoubleValue), new DoubleValue(variable.WeightMu));
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62 | var weightSigmaParameterConfiguration = new ParameterConfiguration("WeightSigma", typeof(DoubleValue), new DoubleValue(variable.WeightSigma));
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63 | var weightManipulatorMuParameterConfiguration = new ParameterConfiguration("WeightManipulatorMu", typeof(DoubleValue), new DoubleValue(variable.WeightManipulatorMu));
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64 | var weightManipulatorSigmaParameterConfiguration = new ParameterConfiguration("WeightManipulatorSigma", typeof(DoubleValue), new DoubleValue(variable.WeightManipulatorSigma));
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65 | var multiplicativeWeightManipulatorSigmaParameterConfiguration = new ParameterConfiguration("MultiplicativeWeightManipulatorSigma", typeof(DoubleValue), new DoubleValue(variable.MultiplicativeWeightManipulatorSigma));
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66 |
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67 | this.parameterConfigurations.Add(weightMuParameterConfiguration);
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68 | this.parameterConfigurations.Add(weightSigmaParameterConfiguration);
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69 | this.parameterConfigurations.Add(weightManipulatorMuParameterConfiguration);
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70 | this.parameterConfigurations.Add(weightManipulatorSigmaParameterConfiguration);
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71 | this.parameterConfigurations.Add(multiplicativeWeightManipulatorSigmaParameterConfiguration);
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72 | }
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73 | }
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74 |
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75 | public virtual void Parameterize(Symbol symbol) {
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76 | symbol.InitialFrequency = GetDoubleValue("InitialFrequency");
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77 |
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78 | var constant = symbol as Constant;
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79 | if (constant != null) {
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80 | constant.MinValue = GetDoubleValue("MinValue");
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81 | constant.MaxValue = GetDoubleValue("MaxValue");
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82 | constant.ManipulatorMu = GetDoubleValue("ManipulatorMu");
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83 | constant.ManipulatorSigma = GetDoubleValue("ManipulatorSigma");
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84 | constant.MultiplicativeManipulatorSigma = GetDoubleValue("MultiplicativeManipulatorSigma");
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85 | }
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86 |
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87 | var variable = symbol as HeuristicLab.Problems.DataAnalysis.Symbolic.Variable;
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88 | if (variable != null) {
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89 | variable.WeightMu = GetDoubleValue("WeightMu");
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90 | variable.WeightSigma = GetDoubleValue("WeightSigma");
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91 | variable.WeightManipulatorMu = GetDoubleValue("WeightManipulatorMu");
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92 | variable.WeightManipulatorSigma = GetDoubleValue("WeightManipulatorSigma");
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93 | variable.MultiplicativeWeightManipulatorSigma = GetDoubleValue("MultiplicativeWeightManipulatorSigma");
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94 | }
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95 | }
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96 |
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97 | private double GetDoubleValue(string name) {
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98 | return ((DoubleValue)ParameterConfigurations.Single(x => x.Name == name).ActualValue.Value).Value;
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99 | }
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100 |
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101 | public override string ToString() {
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102 | return string.Format("{0}: {1}", this.Name, parameterConfigurations.Single(pc => pc.Name == "InitialFrequency").ActualValue.Value);
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103 | }
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104 |
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105 | public override void Mutate(IRandom random, MutateDelegate mutate, IIntValueManipulator intValueManipulator, IDoubleValueManipulator doubleValueManipulator) {
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106 | base.Mutate(random, mutate, intValueManipulator, doubleValueManipulator);
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107 | }
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108 |
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109 | public override void Cross(IRandom random, IOptimizable other, CrossDelegate cross, IIntValueCrossover intValueCrossover, IDoubleValueCrossover doubleValueCrossover) {
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110 | base.Cross(random, other, cross, intValueCrossover, doubleValueCrossover);
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111 | }
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112 | }
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113 | }
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