Changeset 6771 for branches/VRP/HeuristicLab.Problems.VehicleRouting/3.4/Encodings/Prins/Crossovers

Timestamp:

09/15/11 16:26:41 (13 years ago)

Author:

svonolfe

Message:

Corrected behavior of various operators when a solution contains more tours than vehicles (#1177)

File:

• branches/VRP/HeuristicLab.Problems.VehicleRouting/3.4/Encodings/Prins/Crossovers/PrinsPermutationCrossover.cs (modified) (1 diff)

branches/VRP/HeuristicLab.Problems.VehicleRouting/3.4/Encodings/Prins/Crossovers/PrinsPermutationCrossover.cs

@@ -52 +52 @@
 
     protected override PrinsEncoding Crossover(IRandom random, PrinsEncoding parent1, PrinsEncoding parent2) {
+      if (parent1.Length != parent2.Length)
+        return parent1.Clone() as PrinsEncoding;
+
       //note - the inner crossover is called here and the result is converted to a prins representation
       //some refactoring should be done here in the future - the crossover operation should be called directly