Changeset 9413
 Timestamp:
 04/30/13 21:16:22 (6 years ago)
 File:

 1 edited
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trunk/sources/HeuristicLab.Problems.TravelingSalesman/3.3/SimilarityCalculators/TSPSimilarityCalculator.cs
r9030 r9413 85 85 86 86 private static double CalculateRelativeUndirected(Permutation left, Permutation right) { 87 int[,] edges = new int[right.Length, 2]; 88 for (int i = 0; i < right.Length; i++) { 89 edges[right[i], 0] = right[(i + 1) % right.Length]; 90 edges[right[i], 1] = right[(i  1 + right.Length) % right.Length]; 91 } 87 int[] edgesR = CalculateEdgesVector(right); 88 int[] edgesL = CalculateEdgesVector(left); 92 89 93 90 double similarity = 0.0; 94 91 for (int i = 0; i < left.Length; i++) { 95 int targetCity = left[(i + 1) % left.Length]; 96 if (targetCity == edges[left[i], 0]  targetCity == edges[left[i], 1]) 92 if ((edgesL[i] == edgesR[i])  (edgesL[edgesR[i]] == i)) 97 93 similarity++; 98 94 } 99 95 100 96 return similarity / left.Length; 97 } 98 99 private static int[] CalculateEdgesVector(Permutation permutation) { 100 // transform path representation into adjacency representation 101 int[] edgesVector = new int[permutation.Length]; 102 for (int i = 0; i < permutation.Length  1; i++) 103 edgesVector[permutation[i]] = permutation[i + 1]; 104 edgesVector[permutation[permutation.Length  1]] = permutation[0]; 105 return edgesVector; 101 106 } 102 107
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