1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2010 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 | using HeuristicLab.Common;
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23 | using HeuristicLab.Core;
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24 | using HeuristicLab.Data;
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25 | using HeuristicLab.Operators;
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26 | using HeuristicLab.Optimization;
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27 | using HeuristicLab.Parameters;
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28 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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29 |
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30 | namespace HeuristicLab.Encodings.RealVectorEncoding {
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31 | [Item("StdDevStrategyVectorCreator", "Creates the endogeneous strategy parameters.")]
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32 | [StorableClass]
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33 | public class StdDevStrategyVectorCreator : SingleSuccessorOperator, IStochasticOperator, IRealVectorStdDevStrategyParameterCreator {
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34 | public override bool CanChangeName {
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35 | get { return false; }
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36 | }
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37 | public ILookupParameter<IRandom> RandomParameter {
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38 | get { return (LookupParameter<IRandom>)Parameters["Random"]; }
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39 | }
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40 | public ILookupParameter<RealVector> StrategyParameterParameter {
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41 | get { return (ILookupParameter<RealVector>)Parameters["StrategyParameter"]; }
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42 | }
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43 | public IValueLookupParameter<IntValue> LengthParameter {
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44 | get { return (IValueLookupParameter<IntValue>)Parameters["Length"]; }
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45 | }
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46 | public IValueLookupParameter<DoubleMatrix> BoundsParameter {
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47 | get { return (IValueLookupParameter<DoubleMatrix>)Parameters["Bounds"]; }
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48 | }
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49 |
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50 | [StorableConstructor]
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51 | protected StdDevStrategyVectorCreator(bool deserializing) : base(deserializing) { }
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52 | protected StdDevStrategyVectorCreator(StdDevStrategyVectorCreator original, Cloner cloner) : base(original, cloner) { }
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53 | public StdDevStrategyVectorCreator()
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54 | : base() {
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55 | Parameters.Add(new LookupParameter<IRandom>("Random", "The random number generator to use."));
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56 | Parameters.Add(new LookupParameter<RealVector>("StrategyParameter", "The crossed strategy parameter."));
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57 | Parameters.Add(new ValueLookupParameter<IntValue>("Length", "The length of the vector."));
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58 | Parameters.Add(new ValueLookupParameter<DoubleMatrix>("Bounds", "A 2 column matrix specifying the lower and upper bound for each dimension. If there are less rows than dimension the bounds vector is cycled.", new DoubleMatrix(new double[,] { { 0, 5 } })));
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59 | }
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60 |
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61 | public override IDeepCloneable Clone(Cloner cloner) {
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62 | return new StdDevStrategyVectorCreator(this, cloner);
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63 | }
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64 |
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65 | public override IOperation Apply(IExecutionContext context) {
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66 | StrategyParameterParameter.ActualValue = UniformRandomRealVectorCreator.Apply(RandomParameter.ActualValue, LengthParameter.ActualValue.Value, BoundsParameter.ActualValue);
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67 | return base.Apply(context);
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68 | }
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69 | }
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70 | }
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