1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2014 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.Optimization;
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26 | using HeuristicLab.Parameters;
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27 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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28 |
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29 | namespace HeuristicLab.Algorithms.ParameterlessPopulationPyramid {
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30 | [StorableClass]
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31 | public abstract class BinaryVectorProblem : Problem, IBinaryVectorProblem {
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32 | private const string LengthParameterName = "Length";
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33 |
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34 | public IFixedValueParameter<IntValue> LengthParameter {
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35 | get { return (IFixedValueParameter<IntValue>)Parameters[LengthParameterName]; }
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36 | }
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37 |
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38 | public int Length {
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39 | get { return LengthParameter.Value.Value; }
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40 | set { LengthParameter.Value.Value = value; }
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41 | }
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42 |
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43 | public abstract bool Maximization {
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44 | get;
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45 | }
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46 |
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47 | [StorableConstructor]
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48 | protected BinaryVectorProblem(bool deserializing) : base(deserializing) { }
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49 | protected BinaryVectorProblem(BinaryVectorProblem original, Cloner cloner) : base(original, cloner) { }
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50 | public bool IsBetter(double quality, double bestQuality) {
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51 | return (Maximization && quality > bestQuality || !Maximization && quality < bestQuality);
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52 | }
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53 |
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54 | public BinaryVectorProblem()
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55 | : base() {
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56 | Parameters.Add(new FixedValueParameter<IntValue>(LengthParameterName, "", new IntValue(20)));
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57 | }
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58 |
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59 | public abstract double Evaluate(bool[] individual);
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60 |
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61 |
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62 | }
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63 | }
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