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source: trunk/sources/HeuristicLab.Algorithms.ParticleSwarmOptimization/3.3/VonNeumannTopologyInitializer.cs @ 15632

Last change on this file since 15632 was 15583, checked in by swagner, 7 years ago

#2640: Updated year of copyrights in license headers

File size: 2.4 KB
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[5209]1#region License Information
2/* HeuristicLab
[15583]3 * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
[5209]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.Persistence.Default.CompositeSerializers.Storable;
[5560]25using HeuristicLab.Data;
[5435]26
[5209]27namespace HeuristicLab.Algorithms.ParticleSwarmOptimization {
[15181]28  [Item("Von Neumann Topology Initializer", "Every particle is informed by the two following and the two previous particles wrapping around at the beginning and the end of the swarm (in addition each particle also informs itself).")]
[5316]29  [StorableClass]
[5435]30  public sealed class VonNeumannTopologyInitializer : TopologyInitializer {
[5209]31
32    #region Construction & Cloning
[5435]33
[5209]34    [StorableConstructor]
[5435]35    private VonNeumannTopologyInitializer(bool deserializing) : base(deserializing) { }
36    private VonNeumannTopologyInitializer(VonNeumannTopologyInitializer original, Cloner cloner) : base(original, cloner) { }
37    public VonNeumannTopologyInitializer() : base() { }
38
[5209]39    public override IDeepCloneable Clone(Cloner cloner) {
40      return new VonNeumannTopologyInitializer(this, cloner);
41    }
[5435]42
[5209]43    #endregion
44
45    public override IOperation Apply() {
[15091]46      var swarmSize = SwarmSizeParameter.ActualValue.Value;
47
48      ItemArray<IntArray> neighbors = new ItemArray<IntArray>(swarmSize);
49      for (int i = 0; i < swarmSize; i++) {
[5560]50        neighbors[i] = new IntArray(new[] {
[15091]51          (swarmSize + i-2) % swarmSize,
52          (swarmSize + i-1) % swarmSize,
[15181]53          i,
[15091]54          (i+1) % swarmSize,
55          (i+2) % swarmSize
[5209]56        });
57      }
[15091]58      NeighborsParameter.ActualValue = neighbors;
[5209]59      return base.Apply();
60    }
61  }
62}
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