Changeset 13420 for trunk/sources/HeuristicLab.Problems.VehicleRouting/3.4/Encodings/Potvin/Moves/PickupDelivery/PDExchange/PotvinPDExchangeSingleMoveGenerator.cs

Timestamp:

11/30/15 12:43:48 (8 years ago)

Author:

pfleck

Message:

#2532
Corrected the range of randomly selected tours for the PDExchange-move.
Because the PDExchange-move swaps two cities from different tours, it makes no sense to select a new(empty) tour as there aren't any cities to swap.

File:

• trunk/sources/HeuristicLab.Problems.VehicleRouting/3.4/Encodings/Potvin/Moves/PickupDelivery/PDExchange/PotvinPDExchangeSingleMoveGenerator.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Problems.VehicleRouting/3.4/Encodings/Potvin/Moves/PickupDelivery/PDExchange/PotvinPDExchangeSingleMoveGenerator.cs

@@ -70 +70 @@
           int oldTourIndex = individual.Tours.IndexOf(oldTour);
 
-          int max = individual.Tours.Count;
-          if (individual.Tours.Count < problemInstance.Vehicles.Value)
-            max = max - 1;
+          int max = individual.Tours.Count - 1;
 
           int newTourIndex = rand.Next(max);