Changeset 9090 for branches/LearningClassifierSystems/HeuristicLab.Encodings.CombinedIntegerVectorEncoding/3.3/Crossovers

Timestamp:

12/29/12 20:15:48 (12 years ago)

Author:

sforsten

Message:

#1980: implemented covering and changed SinglePointCrossover for CombinedIntegerVectorEncoding

Location:

branches/LearningClassifierSystems/HeuristicLab.Encodings.CombinedIntegerVectorEncoding/3.3

Files:

• . (modified) (1 prop)
• Crossovers/SinglePointCrossover.cs (modified) (1 diff)

branches/LearningClassifierSystems/HeuristicLab.Encodings.CombinedIntegerVectorEncoding/3.3

@@ -1 +1 @@
 *.user
 Plugin.cs
+obj

@@ -1 +1 @@
 *.user
 Plugin.cs
+obj

branches/LearningClassifierSystems/HeuristicLab.Encodings.CombinedIntegerVectorEncoding/3.3/Crossovers/SinglePointCrossover.cs

@@ -38 +38 @@
     }
 
+    public static CombinedIntegerVector Apply(IRandom random, CombinedIntegerVector parent1, CombinedIntegerVector parent2) {
+      if (parent1.Length != parent2.Length && parent1.ActionLength != parent2.ActionLength && parent1.Bounds.Equals(parent2.Bounds))
+        throw new ArgumentException("SinglePointCrossover: The parents are of different length.");
+
+      int length = parent1.Length;
+      int actionLength = parent1.ActionLength;
+      int conditionLength = length - actionLength;
+      int[] result = new int[length];
+      int breakPoint = random.Next(1, conditionLength);
+
+      for (int i = 0; i < breakPoint; i++) {
+        result[i] = parent1[i];
+      }
+      for (int i = breakPoint; i < conditionLength; i++) {
+        result[i] = parent2[i];
+      }
+
+      CombinedIntegerVector actionParent = random.Next(2) == 1 ? parent1 : parent2;
+      for (int i = conditionLength; i < length; i++) {
+        result[i] = actionParent[i];
+      }
+
+      return new CombinedIntegerVector(result, actionLength, parent1.Bounds);
+    }
+
     protected override CombinedIntegerVector Cross(IRandom random, ItemArray<CombinedIntegerVector> parents) {
       if (parents.Length != 2) throw new ArgumentException("ERROR in SinglePointCrossover: The number of parents is not equal to 2");
-      return new CombinedIntegerVector(HeuristicLab.Encodings.IntegerVectorEncoding.SinglePointCrossover.Apply(random, parents[0], parents[1]), parents[0].ActionLength, parents[0].Bounds);
+      return Apply(random, parents[0], parents[1]);
     }
   }

@@ -1 +1 @@
 *.user
 Plugin.cs
+obj