Changeset 4231 for branches/VRP

Timestamp:

08/16/10 17:04:17 (14 years ago)

Author:

svonolfe

Message:

Fixed minor bug in GVR manipulation operators (#1039)

Location:

branches/VRP/HeuristicLab.Problems.VehicleRouting/3.3/Encodings/GVR/Manipulators

Files:

• GVRDisplacementManipulator.cs (modified) (1 diff)
• GVRInsertionManipulator.cs (modified) (1 diff)

branches/VRP/HeuristicLab.Problems.VehicleRouting/3.3/Encodings/GVR/Manipulators/GVRDisplacementManipulator.cs

@@ -46 +46 @@
       tour.Cities.RemoveRange(breakPoint1, length);
       //with a probability of 1/(2*V) create a new tour, else insert at another position
-      if (individual.GetTours().Count < VehiclesParameter.ActualValue.Value && 
+      if (individual.GetTours().Count > 0 &&
+        individual.GetTours().Count < VehiclesParameter.ActualValue.Value && 
         random.Next(individual.GetTours().Count * 2) == 0) {
         Tour newTour = new Tour();

branches/VRP/HeuristicLab.Problems.VehicleRouting/3.3/Encodings/GVR/Manipulators/GVRInsertionManipulator.cs

@@ -46 +46 @@
 
       //with a probability of 1/(2*V) create a new tour, else insert at another position
-      if (individual.GetTours().Count < VehiclesParameter.ActualValue.Value && 
+      if (individual.GetTours().Count > 0 &&        
+        individual.GetTours().Count < VehiclesParameter.ActualValue.Value && 
         random.Next(individual.GetTours().Count * 2) == 0) {
         Tour newTour = new Tour();