1 | using System;
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2 | using System.Collections.Generic;
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3 | using System.Linq;
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4 | using System.Text;
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5 | using System.Threading.Tasks;
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6 | using HeuristicLab.Core;
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7 | using HEAL.Attic;
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8 | using HeuristicLab.Common;
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9 | using HeuristicLab.Encodings.SymbolicExpressionTreeEncoding;
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10 | using HeuristicLab.Parameters;
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11 | using HeuristicLab.Data;
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12 |
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13 | namespace HeuristicLab.Problems.DataAnalysis.Symbolic {
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14 | [StorableType("598B5DCB-95AC-465A-920B-E1E6DACFFA4B")]
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15 | public class SubFunction : ParameterizedNamedItem {
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16 | #region Constants
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17 | private const string GrammarParameterName = "Grammar";
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18 | private const string MaximumSymbolicExpressionTreeDepthParameterName = "MaximumSymbolicExpressionTreeDepth";
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19 | private const string MaximumSymbolicExpressionTreeLengthParameterName = "MaximumSymbolicExpressionTreeLength";
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20 | private const string FunctionArgumentsParameterName = "Function Arguments";
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21 | #endregion
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22 |
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23 | #region Parameters
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24 | public IValueParameter<ISymbolicDataAnalysisGrammar> GrammarParameter => (IValueParameter<ISymbolicDataAnalysisGrammar>)Parameters[GrammarParameterName];
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25 | public IFixedValueParameter<IntValue> MaximumSymbolicExpressionTreeDepthParameter => (IFixedValueParameter<IntValue>)Parameters[MaximumSymbolicExpressionTreeDepthParameterName];
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26 | public IFixedValueParameter<IntValue> MaximumSymbolicExpressionTreeLengthParameter => (IFixedValueParameter<IntValue>)Parameters[MaximumSymbolicExpressionTreeLengthParameterName];
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27 | public IValueParameter<ReadOnlyItemList<StringValue>> FunctionArgumentsParameter => (IValueParameter<ReadOnlyItemList<StringValue>>)Parameters[FunctionArgumentsParameterName];
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28 | #endregion
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29 |
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30 | #region Properties
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31 | public ISymbolicDataAnalysisGrammar Grammar {
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32 | get => GrammarParameter.Value;
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33 | set => GrammarParameter.Value = value;
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34 | }
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35 |
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36 | public int MaximumSymbolicExpressionTreeDepth {
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37 | get => MaximumSymbolicExpressionTreeDepthParameter.Value.Value;
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38 | set => MaximumSymbolicExpressionTreeDepthParameter.Value.Value = value;
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39 | }
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40 |
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41 | public int MaximumSymbolicExpressionTreeLength {
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42 | get => MaximumSymbolicExpressionTreeLengthParameter.Value.Value;
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43 | set => MaximumSymbolicExpressionTreeLengthParameter.Value.Value = value;
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44 | }
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45 |
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46 | public IEnumerable<string> FunctionArguments { // TODO: gehört weg
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47 | get => FunctionArgumentsParameter.Value.Select(x => x.Value);
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48 | set {
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49 | var varSym = (Variable)Grammar.GetSymbol("Variable");
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50 | if (varSym == null)
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51 | throw new ArgumentException($"No variable symbol existent.");
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52 |
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53 | FunctionArgumentsParameter.Value = new ItemList<StringValue>(value.Select(x => new StringValue(x))).AsReadOnly();
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54 |
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55 | varSym.AllVariableNames = FunctionArguments;
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56 | varSym.VariableNames = FunctionArguments;
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57 | varSym.Enabled = true;
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58 | }
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59 | }
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60 | #endregion
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61 |
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62 | #region Constructors
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63 | public SubFunction() {
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64 | Parameters.Add(new ValueParameter<ISymbolicDataAnalysisGrammar>(GrammarParameterName, new LinearScalingGrammar()));
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65 | Parameters.Add(new FixedValueParameter<IntValue>(MaximumSymbolicExpressionTreeDepthParameterName, new IntValue(10)));
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66 | Parameters.Add(new FixedValueParameter<IntValue>(MaximumSymbolicExpressionTreeLengthParameterName, new IntValue(30)));
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67 | Parameters.Add(new ValueParameter<ReadOnlyItemList<StringValue>>(FunctionArgumentsParameterName, new ReadOnlyItemList<StringValue>()));
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68 | }
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69 |
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70 | protected SubFunction(SubFunction original, Cloner cloner) { }
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71 |
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72 | [StorableConstructor]
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73 | protected SubFunction(StorableConstructorFlag _) : base(_) {}
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74 | #endregion
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75 |
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76 | #region Cloning
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77 | public override IDeepCloneable Clone(Cloner cloner) =>
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78 | new SubFunction(this, cloner);
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79 | #endregion
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80 | }
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81 | }
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