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 System;
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23 | using HeuristicLab.Common;
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24 | using HeuristicLab.Core;
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25 | using HeuristicLab.Data;
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26 | using HeuristicLab.Encodings.RealVectorEncoding;
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27 | using HEAL.Attic;
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28 |
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29 | namespace HeuristicLab.Problems.TestFunctions.Evaluators {
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30 | [Item("CustomEvaluator", "Evaluates a custom test fuction.")]
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31 | [StorableType("75C946CC-11DA-4B26-9242-38EB7A40A844")]
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32 | public class CustomEvaluator : SingleObjectiveTestFunctionProblemEvaluator {
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33 |
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34 | public override string FunctionName {
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35 | get { return "sin(x^y)"; }
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36 | }
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37 |
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38 | [StorableConstructor]
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39 | protected CustomEvaluator(StorableConstructorFlag _) : base(_) { }
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40 | protected CustomEvaluator(CustomEvaluator original, Cloner cloner) : base(original, cloner) { }
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41 | public CustomEvaluator() { }
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42 |
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43 | public override IDeepCloneable Clone(Cloner cloner) {
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44 | return new CustomEvaluator(this, cloner);
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45 | }
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46 |
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47 | public override bool Maximization {
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48 | get { return false; }
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49 | }
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50 |
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51 | public override DoubleMatrix Bounds {
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52 | get { return new DoubleMatrix(new double[,] { { 0, 5 } }); }
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53 | }
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54 |
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55 | public override double BestKnownQuality {
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56 | get {
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57 | return -1;
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58 | }
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59 | }
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60 |
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61 | public override int MinimumProblemSize { get { return 2; } }
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62 |
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63 | public override int MaximumProblemSize { get { return 2; } }
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64 |
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65 | public override RealVector GetBestKnownSolution(int dimension) {
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66 | return new RealVector(dimension);
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67 | }
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68 |
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69 | public override double Evaluate(RealVector point) {
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70 | if (point[0] < 0 || point[1] < 0)
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71 | return 0;
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72 | return Math.Sin(Math.Pow(point[0], point[1]));
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73 | }
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74 | }
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75 | }
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