Changeset 7511 for trunk/sources/HeuristicLab.Algorithms.GeneticAlgorithm

Timestamp:

02/24/12 09:25:32 (13 years ago)

Author:

mkommend

Message:

#1691: Updated IslandGA, NSGA2 and IslandOSGA to use default operators.

File:

• trunk/sources/HeuristicLab.Algorithms.GeneticAlgorithm/3.3/IslandGeneticAlgorithm.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Algorithms.GeneticAlgorithm/3.3/IslandGeneticAlgorithm.cs

@@ -497 +497 @@
     private void UpdateCrossovers() {
       ICrossover oldCrossover = CrossoverParameter.Value;
+      ICrossover defaultCrossover = Problem.Operators.OfType<ICrossover>().FirstOrDefault();
       CrossoverParameter.ValidValues.Clear();
-      foreach (ICrossover crossover in Problem.Operators.OfType<ICrossover>().OrderBy(x => x.Name)) {
-        ParameterizeStochasticOperatorForIsland(crossover);
+      foreach (ICrossover crossover in Problem.Operators.OfType<ICrossover>().OrderBy(x => x.Name))
         CrossoverParameter.ValidValues.Add(crossover);
-      }
       if (oldCrossover != null) {
         ICrossover crossover = CrossoverParameter.ValidValues.FirstOrDefault(x => x.GetType() == oldCrossover.GetType());
         if (crossover != null) CrossoverParameter.Value = crossover;
-      }
+        else oldCrossover = null;
+      }
+      if (oldCrossover == null && defaultCrossover != null)
+        CrossoverParameter.Value = defaultCrossover;
     }
     private void UpdateMutators() {