[13069] | 1 | using HeuristicLab.BioBoost.ProblemDescription;
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| 2 | using HeuristicLab.Common;
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| 3 | using HeuristicLab.Core;
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| 4 | using HeuristicLab.Data;
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| 5 | using HeuristicLab.Encodings.IntegerVectorEncoding;
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| 6 | using HeuristicLab.Encodings.RealVectorEncoding;
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| 7 | using HeuristicLab.Parameters;
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| 8 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 9 | using System;
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| 10 | using System.Linq;
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| 11 |
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| 12 | namespace HeuristicLab.BioBoost.Operators.Mutation {
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| 13 | [StorableClass]
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| 14 | public class BoundaryToggleRealVectorMutator : RealVectorManipulator {
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| 15 |
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| 16 | #region Construction & Cloning
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| 17 | [StorableConstructor]
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| 18 | protected BoundaryToggleRealVectorMutator(bool isDeserializing) : base(isDeserializing) { }
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| 19 | protected BoundaryToggleRealVectorMutator(BoundaryToggleRealVectorMutator orig, Cloner cloner) : base(orig, cloner) { }
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| 20 | public BoundaryToggleRealVectorMutator() { }
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| 21 | public override IDeepCloneable Clone(Cloner cloner) {
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| 22 | return new BoundaryToggleRealVectorMutator(this, cloner);
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| 23 | }
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| 24 | #endregion
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| 25 |
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| 26 | protected override void Manipulate(IRandom random, RealVector realVector) {
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| 27 | var bounds = BoundsParameter.ActualValue;
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| 28 | var idx = random.Next(realVector.Length);
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| 29 | var value = realVector[idx];
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| 30 | var lowerBound = bounds[idx % bounds.Rows, 0];
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| 31 | var upperBound = bounds[idx % bounds.Rows, 1];
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| 32 | if (value <= lowerBound || value >= upperBound) {
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| 33 | value = random.Next()*Math.Abs(upperBound - lowerBound) + Math.Min(lowerBound, upperBound);
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| 34 | } else {
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| 35 | value = random.NextDouble() <= 0.5 ? lowerBound : upperBound;
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| 36 | }
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| 37 | realVector[idx] = value;
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| 38 | }
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| 39 | }
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| 40 | }
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