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 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.Operators;
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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.Analysis {
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30 | /// <summary>
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31 | /// An operator which calculates the minimum, average and maximum of a value in the scope tree.
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32 | /// </summary>
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33 | [Item("MinAverageMaxValueCalculator", "An operator which calculates the minimum, average and maximum of a value in the scope tree.")]
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34 | [StorableClass]
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35 | public sealed class MinAverageMaxValueCalculator : SingleSuccessorOperator {
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36 | public ScopeTreeLookupParameter<DoubleValue> ValueParameter {
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37 | get { return (ScopeTreeLookupParameter<DoubleValue>)Parameters["Value"]; }
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38 | }
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39 | public ValueLookupParameter<DoubleValue> MinValueParameter {
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40 | get { return (ValueLookupParameter<DoubleValue>)Parameters["MinValue"]; }
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41 | }
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42 | public ValueLookupParameter<DoubleValue> AverageValueParameter {
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43 | get { return (ValueLookupParameter<DoubleValue>)Parameters["AverageValue"]; }
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44 | }
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45 | public ValueLookupParameter<DoubleValue> MaxValueParameter {
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46 | get { return (ValueLookupParameter<DoubleValue>)Parameters["MaxValue"]; }
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47 | }
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48 |
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49 | #region Storing & Cloning
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50 | [StorableConstructor]
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51 | private MinAverageMaxValueCalculator(bool deserializing) : base(deserializing) { }
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52 | private MinAverageMaxValueCalculator(MinAverageMaxValueCalculator original, Cloner cloner) : base(original, cloner) { }
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53 | public override IDeepCloneable Clone(Cloner cloner) {
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54 | return new MinAverageMaxValueCalculator(this, cloner);
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55 | }
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56 | #endregion
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57 | public MinAverageMaxValueCalculator()
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58 | : base() {
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59 | Parameters.Add(new ScopeTreeLookupParameter<DoubleValue>("Value", "The value contained in the scope tree for which the minimum, average and maximum should be calculated."));
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60 | Parameters.Add(new ValueLookupParameter<DoubleValue>("MinValue", "The minimum of the value."));
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61 | Parameters.Add(new ValueLookupParameter<DoubleValue>("AverageValue", "The average of the value."));
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62 | Parameters.Add(new ValueLookupParameter<DoubleValue>("MaxValue", "The maximum of the value."));
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63 | }
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64 |
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65 | public override IOperation Apply() {
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66 | ItemArray<DoubleValue> values = ValueParameter.ActualValue;
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67 |
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68 | if (values.Length > 0) {
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69 | double min = double.MaxValue, max = double.MinValue, sum = 0.0;
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70 | for (int i = 0; i < values.Length; i++) {
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71 | if (values[i].Value < min) min = values[i].Value;
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72 | if (values[i].Value > max) max = values[i].Value;
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73 | sum += values[i].Value;
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74 | }
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75 |
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76 | DoubleValue minValue = MinValueParameter.ActualValue;
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77 | if (minValue == null) MinValueParameter.ActualValue = new DoubleValue(min);
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78 | else minValue.Value = min;
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79 | DoubleValue averageValue = AverageValueParameter.ActualValue;
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80 | if (averageValue == null) AverageValueParameter.ActualValue = new DoubleValue(sum / values.Length);
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81 | else averageValue.Value = sum / values.Length;
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82 | DoubleValue maxValue = MaxValueParameter.ActualValue;
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83 | if (maxValue == null) MaxValueParameter.ActualValue = new DoubleValue(max);
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84 | else maxValue.Value = max;
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85 | }
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86 | return base.Apply();
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87 | }
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88 | }
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89 | }
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