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source: stable/HeuristicLab.Algorithms.ParticleSwarmOptimization/3.3/RingTopologyInitializer.cs @ 16207

Last change on this file since 16207 was 15584, checked in by swagner, 7 years ago

#2640: Updated year of copyrights in license headers on stable

File size: 2.2 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2018 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.Persistence.Default.CompositeSerializers.Storable;
25using HeuristicLab.Data;
26
27namespace HeuristicLab.Algorithms.ParticleSwarmOptimization {
28  [Item("Ring Topology Initializer", "Each particle is informed by its preceeding and its succeeding particle wrapping around at the beginning and the end of the swarm (in addition each particle also informs itself).")]
29  [StorableClass]
30  public sealed class RingTopologyInitializer : TopologyInitializer {
31    #region Construction & Cloning
32
33    [StorableConstructor]
34    private RingTopologyInitializer(bool deserializing) : base(deserializing) { }
35    private RingTopologyInitializer(RingTopologyInitializer original, Cloner cloner) : base(original, cloner) { }
36    public RingTopologyInitializer() : base() { }
37
38    public override IDeepCloneable Clone(Cloner cloner) {
39      return new RingTopologyInitializer(this, cloner);
40    }
41
42    #endregion
43
44    public override IOperation Apply() {
45      var swarmSize = SwarmSizeParameter.ActualValue.Value;
46
47      ItemArray<IntArray> neighbors = new ItemArray<IntArray>(swarmSize);
48      for (int i = 0; i < swarmSize; i++) {
49        neighbors[i] = new IntArray(new[] { (swarmSize + i - 1) % swarmSize, i, (i + 1) % swarmSize });
50      }
51      NeighborsParameter.ActualValue = neighbors;
52      return base.Apply();
53    }
54  }
55}
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