[3095] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[16728] | 3 | * Copyright (C) 2002-2019 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[3095] | 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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[4722] | 22 | using HeuristicLab.Common;
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[3095] | 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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[16728] | 27 | using HEAL.Attic;
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[3095] | 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 absolute and relative difference of two quality values.
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| 32 | /// </summary>
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| 33 | [Item("QualityDifferenceCalculator", "An operator which calculates the absolute and relative difference of two quality values.")]
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[16728] | 34 | [StorableType("D40349AC-2C28-42F9-8C25-107D931E8F59")]
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[3095] | 35 | public class QualityDifferenceCalculator : SingleSuccessorOperator {
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| 36 | public IValueLookupParameter<DoubleValue> FirstQualityParameter {
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| 37 | get { return (IValueLookupParameter<DoubleValue>)Parameters["FirstQuality"]; }
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| 38 | }
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| 39 | public IValueLookupParameter<DoubleValue> SecondQualityParameter {
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| 40 | get { return (IValueLookupParameter<DoubleValue>)Parameters["SecondQuality"]; }
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| 41 | }
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| 42 | public IValueLookupParameter<DoubleValue> AbsoluteDifferenceParameter {
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| 43 | get { return (IValueLookupParameter<DoubleValue>)Parameters["AbsoluteDifference"]; }
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| 44 | }
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| 45 | public IValueLookupParameter<PercentValue> RelativeDifferenceParameter {
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| 46 | get { return (IValueLookupParameter<PercentValue>)Parameters["RelativeDifference"]; }
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| 47 | }
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| 48 |
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[4722] | 49 | #region Storing & Cloning
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| 50 | [StorableConstructor]
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[16728] | 51 | protected QualityDifferenceCalculator(StorableConstructorFlag _) : base(_) { }
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[4722] | 52 | protected QualityDifferenceCalculator(QualityDifferenceCalculator original, Cloner cloner) : base(original, cloner) { }
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| 53 | public override IDeepCloneable Clone(Cloner cloner) {
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| 54 | return new QualityDifferenceCalculator(this, cloner);
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| 55 | }
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| 56 | #endregion
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[3095] | 57 | public QualityDifferenceCalculator()
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| 58 | : base() {
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| 59 | Parameters.Add(new ValueLookupParameter<DoubleValue>("FirstQuality", "The first quality value from which the difference to the second quality value is calculated."));
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| 60 | Parameters.Add(new ValueLookupParameter<DoubleValue>("SecondQuality", "The second quality value from which the difference from the first quality value is calculated."));
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| 61 | Parameters.Add(new ValueLookupParameter<DoubleValue>("AbsoluteDifference", "The absolute difference of the first and second quality value."));
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| 62 | Parameters.Add(new ValueLookupParameter<PercentValue>("RelativeDifference", "The relative difference of the first and second quality 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 | DoubleValue first = FirstQualityParameter.ActualValue;
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| 67 | DoubleValue second = SecondQualityParameter.ActualValue;
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| 68 |
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| 69 | if ((first != null) && (second != null)) {
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| 70 | double absolute = second.Value - first.Value;
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| 71 | double relative = first.Value == 0 ? double.NaN : absolute / first.Value;
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| 72 |
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| 73 | if (AbsoluteDifferenceParameter.ActualValue == null) AbsoluteDifferenceParameter.ActualValue = new DoubleValue(absolute);
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| 74 | else AbsoluteDifferenceParameter.ActualValue.Value = absolute;
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| 75 | if (RelativeDifferenceParameter.ActualValue == null) RelativeDifferenceParameter.ActualValue = new PercentValue(relative);
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| 76 | else RelativeDifferenceParameter.ActualValue.Value = relative;
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| 77 | }
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| 78 | return base.Apply();
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| 79 | }
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| 80 | }
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| 81 | }
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