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source: branches/GeneralizedQAP/HeuristicLab.Problems.GeneralizedQuadraticAssignment/3.3/GQAPIntegerVectorProximityCalculator.cs @ 7415

Last change on this file since 7415 was 7412, checked in by abeham, 13 years ago

#1614: worked on GQAP and GRASP+PR

File size: 1.4 KB
RevLine 
[7412]1#region License Information
2/* HeuristicLab
3 * Copyright (C) 2002-2012 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.Encodings.IntegerVectorEncoding;
23
24namespace HeuristicLab.Problems.GeneralizedQuadraticAssignment {
25  public static class GQAPIntegerVectorProximityCalculator {
26    public static double CalculateGenotypeSimilarity(IntegerVector a, IntegerVector b) {
27      int similar = 0;
28      for (int i = 0; i < a.Length; i++) {
29        if (a[i] == b[i]) similar++;
30      }
31      return similar / (double)a.Length;
32    }
33
34    public static double CalculateGenotypeDistance(IntegerVector a, IntegerVector b) {
35      return 1.0 - CalculateGenotypeSimilarity(a, b);
36    }
37  }
38}
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