source: branches/2520_PersistenceReintegration/HeuristicLab.Problems.NK/3.3/InteractionInitializers/RandomInteractionsInitializer.cs @ 16462

Last change on this file since 16462 was 16462, checked in by jkarder, 7 months ago

#2520: worked on reintegration of new persistence

  • added nuget references to HEAL.Fossil
  • added StorableType attributes to many classes
  • changed signature of StorableConstructors
  • removed some classes in old persistence
  • removed some unnecessary usings
File size: 2.2 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2019 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 System.Linq;
23using HeuristicLab.Common;
24using HeuristicLab.Core;
25using HeuristicLab.Data;
26using HEAL.Fossil;
27
28namespace HeuristicLab.Problems.NK {
29  [Item("RandomInteractionsInitializer", "Randomly assignes interactions across all bits")]
30  [StorableType("ACB3BE45-DB9E-4200-95BF-D22C726B4DAE")]
31  public sealed class RandomInteractionsInitializer : ParameterizedNamedItem, IInteractionInitializer {
32    [StorableConstructor]
33    private RandomInteractionsInitializer(StorableConstructorFlag _) : base(_) { }
34    private RandomInteractionsInitializer(RandomInteractionsInitializer original, Cloner cloner) : base(original, cloner) { }
35    public RandomInteractionsInitializer() { }
36    public override IDeepCloneable Clone(Cloner cloner) {
37      return new RandomInteractionsInitializer(this, cloner);
38    }
39
40    public BoolMatrix InitializeInterations(int length, int nComponents, int nInteractions, IRandom random) {
41      BoolMatrix m = new BoolMatrix(length, nComponents);
42      for (int c = 0; c < m.Columns; c++) {
43        var indices = Enumerable.Range(0, length).ToList();
44        if (indices.Count > c) {
45          indices.RemoveAt(c);
46          m[c, c] = true;
47        }
48        while (indices.Count > nInteractions) {
49          indices.RemoveAt(random.Next(indices.Count));
50        }
51        foreach (var i in indices) {
52          m[i, c] = true;
53        }
54      }
55      return m;
56    }
57  }
58}
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