source: branches/2994-AutoDiffForIntervals/HeuristicLab.Encodings.RealVectorEncoding/3.3/Moves/AdditiveMoveGenerator.cs @ 17209

Last change on this file since 17209 was 17209, checked in by gkronber, 5 weeks ago

#2994: merged r17132:17198 from trunk to branch

File size: 3.8 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 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 HeuristicLab.Common;
23using HeuristicLab.Core;
24using HeuristicLab.Data;
25using HeuristicLab.Operators;
26using HeuristicLab.Optimization;
27using HeuristicLab.Parameters;
28using HEAL.Attic;
29
30namespace HeuristicLab.Encodings.RealVectorEncoding {
31  [Item("AdditiveMoveGenerator", "Base class for all additive move generators.")]
32  [StorableType("254F20A6-AB7F-4C7D-9EA7-9310FD56743F")]
33  public abstract class AdditiveMoveGenerator : SingleSuccessorOperator, IAdditiveRealVectorMoveOperator, IMoveGenerator, IStochasticOperator {
34    public override bool CanChangeName {
35      get { return false; }
36    }
37    public ILookupParameter<IRandom> RandomParameter {
38      get { return (ILookupParameter<IRandom>)Parameters["Random"]; }
39    }
40    public ILookupParameter<RealVector> RealVectorParameter {
41      get { return (ILookupParameter<RealVector>)Parameters["RealVector"]; }
42    }
43    public ILookupParameter<AdditiveMove> AdditiveMoveParameter {
44      get { return (LookupParameter<AdditiveMove>)Parameters["AdditiveMove"]; }
45    }
46    protected ScopeParameter CurrentScopeParameter {
47      get { return (ScopeParameter)Parameters["CurrentScope"]; }
48    }
49    public IValueLookupParameter<DoubleMatrix> BoundsParameter {
50      get { return (IValueLookupParameter<DoubleMatrix>)Parameters["Bounds"]; }
51    }
52
53    [StorableConstructor]
54    protected AdditiveMoveGenerator(StorableConstructorFlag _) : base(_) { }
55    protected AdditiveMoveGenerator(AdditiveMoveGenerator original, Cloner cloner) : base(original, cloner) { }
56    public AdditiveMoveGenerator()
57      : base() {
58      Parameters.Add(new LookupParameter<IRandom>("Random", "The random number generator."));
59      Parameters.Add(new LookupParameter<RealVector>("RealVector", "The real vector for which moves should be generated."));
60      Parameters.Add(new LookupParameter<AdditiveMove>("AdditiveMove", "The moves that should be generated in subscopes."));
61      Parameters.Add(new ScopeParameter("CurrentScope", "The current scope where the moves should be added as subscopes."));
62      Parameters.Add(new ValueLookupParameter<DoubleMatrix>("Bounds", "A 2 column matrix specifying the lower and upper bound for each dimension. If there are less rows than dimension the bounds vector is cycled."));
63    }
64
65    public override IOperation Apply() {
66      RealVector vector = RealVectorParameter.ActualValue;
67      DoubleMatrix bounds = BoundsParameter.ActualValue;
68      AdditiveMove[] moves = GenerateMoves(RandomParameter.ActualValue, vector, bounds);
69      Scope[] moveScopes = new Scope[moves.Length];
70      for (int i = 0; i < moveScopes.Length; i++) {
71        moveScopes[i] = new Scope(i.ToString());
72        moveScopes[i].Variables.Add(new Variable(AdditiveMoveParameter.ActualName, moves[i]));
73      }
74      CurrentScopeParameter.ActualValue.SubScopes.AddRange(moveScopes);
75      return base.Apply();
76    }
77
78    protected abstract AdditiveMove[] GenerateMoves(IRandom random, RealVector realVector, DoubleMatrix bounds);
79  }
80}
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