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source: addons/HeuristicLab.MetaOptimization/HeuristicLab.Problems.MetaOptimization/3.3/Operators/Manipulators/IntValue/NormalIntValueManipulator.cs @ 16996

Last change on this file since 16996 was 16996, checked in by gkronber, 5 years ago

#2520 Update plugin dependencies and references for HL.MetaOptimization for new persistence

File size: 1.8 KB
Line 
1using HeuristicLab.Common;
2using HeuristicLab.Core;
3using HeuristicLab.Data;
4using HeuristicLab.Encodings.RealVectorEncoding;
5using HeuristicLab.Operators;
6using HeuristicLab.Optimization;
7using HeuristicLab.Parameters;
8using HEAL.Attic;
9
10namespace HeuristicLab.Problems.MetaOptimization {
11  [StorableType("8F403FDC-233F-4FFC-A1BF-D696033DDB2D")]
12  public class NormalIntValueManipulator : SingleSuccessorOperator, IIntValueManipulator, IStochasticOperator {
13
14    public ILookupParameter<IRandom> RandomParameter {
15      get { return (LookupParameter<IRandom>)Parameters["Random"]; }
16    }
17   
18    public NormalIntValueManipulator() { }
19    [StorableConstructor]
20    protected NormalIntValueManipulator(StorableConstructorFlag _) : base(_) { }
21    protected NormalIntValueManipulator(NormalIntValueManipulator original, Cloner cloner)
22      : base(original, cloner) {
23    }
24    public override IDeepCloneable Clone(Cloner cloner) {
25      return new NormalIntValueManipulator(this, cloner);
26    }
27
28    // todo: override apply
29   
30    public void Apply(IRandom random, IntValue value, IntValueRange range) {
31      ApplyStatic(random, value, range);
32    }
33
34    public static void ApplyStatic(IRandom random, IntValue value, IntValueRange range) {
35      var strategy = new RealVector(new double[] { (range.UpperBound.Value - range.LowerBound.Value) / 10 }); // todo: add strategy parameter
36      var vector = new RealVector(new double[] { value.Value });
37      int val = value.Value;
38
39      do {
40        vector[0] = val;
41        NormalAllPositionsManipulator.Apply(random, vector, strategy);
42        value.Value = (int)vector[0];
43        value.Value = range.ApplyStepSize(value.Value);
44      } while (!range.IsInRange(value.Value));
45    }
46  }
47}
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