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source: branches/PersistenceSpeedUp/HeuristicLab.Encodings.PermutationEncoding/3.3/Moves/StandardEdgeEqualityComparer.cs @ 6593

Last change on this file since 6593 was 5933, checked in by abeham, 14 years ago

#1330

  • Merged QAP from branch into trunk
  • Merged MDS from branch into trunk
  • Merged Swap2 moves from branch into trunk
File size: 1.4 KB
Line 
1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2011 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.Collections.Generic;
23
24namespace HeuristicLab.Encodings.PermutationEncoding {
25  public class StandardEdgeEqualityComparer : EqualityComparer<Edge> {
26    public override bool Equals(Edge x, Edge y) {
27      bool inDirection = x.Source == y.Source && x.Target == y.Target;
28      if (!x.Bidirectional && !y.Bidirectional) return inDirection;
29      else return inDirection || x.Source == y.Target && x.Target == y.Source;
30    }
31
32    public override int GetHashCode(Edge edge) {
33      return (int)((long)edge.Source.GetHashCode() + (long)edge.Target.GetHashCode());
34    }
35  }
36}
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