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source: branches/HL-3.2-MonoMigration/HeuristicLab.Logging/BestAverageWorstQualityCalculator.cs @ 3747

Last change on this file since 3747 was 77, checked in by swagner, 17 years ago

Fixed ticket #67

  • adapted accessing of variables in operators due to changes of variable lookup and the new name aliasing mechanism (actual/formal name translations should not be done directly anymore; instead the new method Scope.TranslateName should be used)
File size: 3.4 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2008 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
4 *
5 * This file is part of HeuristicLab.
6 *
7 * HeuristicLab is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * HeuristicLab is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
19 */
20#endregion
21
22using System;
23using System.Collections.Generic;
24using System.Text;
25using HeuristicLab.Core;
26using HeuristicLab.Data;
27using HeuristicLab.Operators;
28
29namespace HeuristicLab.Logging {
30  public class BestAverageWorstQualityCalculator : OperatorBase {
31    public override string Description {
32      get { return @"TODO\r\nOperator description still missing ..."; }
33    }
34
35    public BestAverageWorstQualityCalculator()
36      : base() {
37      AddVariableInfo(new VariableInfo("Quality", "Quality value of a solution", typeof(DoubleData), VariableKind.In));
38      AddVariableInfo(new VariableInfo("Maximization", "Maximization problem", typeof(BoolData), VariableKind.In));
39      AddVariableInfo(new VariableInfo("BestQuality", "Quality value of best solution", typeof(DoubleData), VariableKind.New | VariableKind.Out));
40      AddVariableInfo(new VariableInfo("AverageQuality", "Average quality value", typeof(DoubleData), VariableKind.New | VariableKind.Out));
41      AddVariableInfo(new VariableInfo("WorstQuality", "Quality value of worst solution", typeof(DoubleData), VariableKind.New | VariableKind.Out));
42    }
43
44    public override IOperation Apply(IScope scope) {
45      double[] qualities = new double[scope.SubScopes.Count];
46
47      for (int i = 0; i < scope.SubScopes.Count; i++)
48        qualities[i] = scope.SubScopes[i].GetVariableValue<DoubleData>("Quality", false).Data;
49
50      double worst = qualities[0];
51      double best = qualities[0];
52      double average = qualities[0];
53      for (int i = 1; i < qualities.Length; i++) {
54        if (qualities[i] < worst) worst = qualities[i];
55        if (qualities[i] > best) best = qualities[i];
56        average += qualities[i];
57      }
58      average = average / qualities.Length;
59
60      if (!GetVariableValue<BoolData>("Maximization", scope, true).Data) {
61        double temp = worst;
62        worst = best;
63        best = temp;
64      }
65
66      SetValue(GetVariableInfo("BestQuality"), best, scope);
67      SetValue(GetVariableInfo("AverageQuality"), average, scope);
68      SetValue(GetVariableInfo("WorstQuality"), worst, scope);
69
70      return null;
71    }
72
73    private void SetValue(IVariableInfo info, double value, IScope scope) {
74      DoubleData data = GetVariableValue<DoubleData>(info.FormalName, scope, false, false);
75      if (data == null) {
76        data = new DoubleData();
77        if (info.Local)
78          AddVariable(new Variable(info.ActualName, data));
79        else
80          scope.AddVariable(new Variable(scope.TranslateName(info.FormalName), data));
81      }
82      data.Data = value;
83    }
84  }
85}
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