1 | #region License Information
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2 | /* HeuristicLab
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3 | * Copyright (C) 2002-2019 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.Linq;
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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.Optimization;
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27 | using HEAL.Attic;
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28 |
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29 | namespace HeuristicLab.Problems.TestFunctions.MultiObjective {
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30 | [StorableType("F32027A7-3116-4864-A404-820F866BFD65")]
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31 | [Item("SpacingAnalyzer", "The spacing of the current front (see Multi-Objective Performance Metrics - Shodhganga for more information)")]
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32 | public class SpacingAnalyzer : MOTFAnalyzer {
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33 |
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34 | public IResultParameter<DoubleValue> SpacingResultParameter {
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35 | get { return (IResultParameter<DoubleValue>)Parameters["Spacing"]; }
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36 | }
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37 | [StorableConstructor]
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38 | protected SpacingAnalyzer(StorableConstructorFlag _) : base(_) { }
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39 |
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40 |
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41 | protected SpacingAnalyzer(SpacingAnalyzer original, Cloner cloner) : base(original, cloner) { }
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42 | public override IDeepCloneable Clone(Cloner cloner) {
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43 | return new SpacingAnalyzer(this, cloner);
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44 | }
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45 |
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46 | public SpacingAnalyzer() {
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47 | Parameters.Add(new ResultParameter<DoubleValue>("Spacing", "The spacing of the current front"));
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48 | SpacingResultParameter.DefaultValue = new DoubleValue(double.NaN);
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49 | }
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50 |
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51 | public override IOperation Apply() {
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52 | var qualities = QualitiesParameter.ActualValue;
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53 | var spacing = Spacing.Calculate(qualities.Select(q => q.ToArray()));
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54 | SpacingResultParameter.ActualValue.Value = spacing;
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55 |
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56 | return base.Apply();
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57 | }
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58 | }
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59 | }
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