Changeset 14798 for stable/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Crossovers

Timestamp:

03/30/17 16:47:03 (8 years ago)

Author:

mkommend

Message:

#2647: Merged r14221, r14223, r14224 into stable.

Location:

stable

Files:

• . (modified) (1 prop)
• HeuristicLab.Encodings.SymbolicExpressionTreeEncoding (modified) (1 prop)
• HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Crossovers/SubtreeCrossover.cs (modified) (1 diff)

stable/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Crossovers/SubtreeCrossover.cs

@@ -111 +111 @@
       } else {
         var selectedBranch = SelectRandomBranch(random, allowedBranches, internalCrossoverPointProbability);
+        if (selectedBranch != null)
+          selectedBranch = (ISymbolicExpressionTreeNode)selectedBranch.Clone();
 
         if (crossoverPoint0.Child != null) {