Changeset 14456 for branches/MemPRAlgorithm/HeuristicLab.Algorithms.MemPR/3.3/Util/FitnessComparer.cs

Timestamp:

12/06/16 15:07:45 (7 years ago)

Author:

abeham

Message:

#2701:

• Using evaluated solutions from HC as max evaluations for tabu walking in MemPR
• Fixed some bugs in MemPR (permutation) regarding subspace calculation (true means okay, false means no)
• Fixed bug in TSP

File:

• branches/MemPRAlgorithm/HeuristicLab.Algorithms.MemPR/3.3/Util/FitnessComparer.cs (modified) (1 diff)

branches/MemPRAlgorithm/HeuristicLab.Algorithms.MemPR/3.3/Util/FitnessComparer.cs

@@ -23 +23 @@
   public static class FitnessComparer {
     public static bool IsBetter(bool maximization, double a, double b) {
-      return maximization && a > b
-             || !maximization && a < b;
+      return double.IsNaN(b) && !double.IsNaN(a)
+        || maximization && a > b
+        || !maximization && a < b;
     }
   }