Changeset 3675 for trunk/sources/HeuristicLab.Encodings.RealVectorEncoding/3.3/Crossovers/SinglePointCrossover.cs

Timestamp:

05/06/10 16:41:51 (14 years ago)

Author:

abeham

Message:

#890

• changed SinglePointCrossover to work with vectors of length 2
• updated unit tests

File:

• trunk/sources/HeuristicLab.Encodings.RealVectorEncoding/3.3/Crossovers/SinglePointCrossover.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Encodings.RealVectorEncoding/3.3/Crossovers/SinglePointCrossover.cs

@@ -49 +49 @@
     public static RealVector Apply(IRandom random, RealVector parent1, RealVector parent2) {
       if (parent1.Length != parent2.Length) throw new ArgumentException("SinglePointCrossover: Parents are of unequal length");
+      if (parent1.Length < 2) throw new ArgumentException("SinglePointCrossover: Cannot be applied to vectors with just one dimension.");
       int length = parent1.Length;
       RealVector result = new RealVector(length);
-      int breakPoint = random.Next(1, length - 1);
+      int breakPoint;
+      if (length == 2) breakPoint = 1;
+      else breakPoint = random.Next(1, length - 1);
 
       for (int i = 0; i < breakPoint; i++)