1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2012 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.Encodings.IntegerVectorEncoding;
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26 | using HeuristicLab.Operators;
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27 | using HeuristicLab.Optimization;
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28 | using HeuristicLab.Parameters;
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29 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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30 |
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31 | namespace HeuristicLab.Encodings.ParameterConfigurationEncoding {
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32 | /// <summary>
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33 | /// An operator which manipulates two integer values. TODO
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34 | /// </summary>
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35 | [Item("UniformIntValueManipulator", "An operator which manipulates two integer values. TODO")]
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36 | [StorableClass]
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37 | public class UniformIntValueManipulator : SingleSuccessorOperator, IIntValueManipulator, IStochasticOperator {
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38 | public ILookupParameter<IRandom> RandomParameter {
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39 | get { return (LookupParameter<IRandom>)Parameters["Random"]; }
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40 | }
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41 |
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42 | #region Constructors and Cloning
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43 | public UniformIntValueManipulator() : base() { }
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44 |
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45 | [StorableConstructor]
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46 | protected UniformIntValueManipulator(bool deserializing) : base(deserializing) { }
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47 | protected UniformIntValueManipulator(UniformIntValueManipulator original, Cloner cloner) : base(original, cloner) { }
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48 | public override IDeepCloneable Clone(Cloner cloner) {
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49 | return new UniformIntValueManipulator(this, cloner);
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50 | }
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51 | #endregion
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52 |
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53 | // TODO: override Apply
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54 | public void Apply(IRandom random, IntValue value, IntValueRange range) {
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55 | ApplyStatic(random, value, range);
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56 | }
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57 |
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58 | public static void ApplyStatic(IRandom random, IntValue value, IntValueRange range) {
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59 | var vector = new IntegerVector(1);
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60 | var bounds = new IntMatrix(1, 2);
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61 | bounds[0, 0] = range.LowerBound.Value;
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62 | bounds[0, 1] = range.UpperBound.Value;
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63 | int val = value.Value;
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64 |
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65 | do {
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66 | vector[0] = val;
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67 | UniformOnePositionManipulator.Apply(random, vector, bounds);
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68 | value.Value = vector[0];
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69 | value.Value = range.ApplyStepSize(value.Value);
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70 | } while (!range.IsInRange(value.Value));
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71 | }
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72 | }
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73 | }
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