Changeset 15166 for trunk/sources/HeuristicLab.Problems.QuadraticAssignment

Timestamp:

07/07/17 09:50:11 (7 years ago)

Author:

jkarder

Message:

#2706: QAPSimilarityCalculator now throws an exception if both permutations are of length 0

File:

• trunk/sources/HeuristicLab.Problems.QuadraticAssignment/3.3/QAPSimilarityCalculator.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Problems.QuadraticAssignment/3.3/QAPSimilarityCalculator.cs

@@ -62 +62 @@
       if (left.Length != right.Length)
         throw new ArgumentException("Cannot calculate similarity because the provided solutions have different lengths.");
-      if (object.ReferenceEquals(left, right)) return 1.0;
+      if (left.Length == 0)
+        throw new ArgumentException("Cannot calculate similarity because solutions are of length 0.");
+      if (ReferenceEquals(left, right)) return 1.0;
 
       return QAPPermutationProximityCalculator.CalculatePhenotypeSimilarity(left, right, weights, distances);