Changeset 5367 for trunk/sources/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.3/Manipulators/ReplaceBranchManipulation.cs

Timestamp:

01/24/11 19:04:27 (13 years ago)

Author:

gkronber

Message:

#1136 Fixed test cases for symbolic expression tree encoding operators (+ minor bug fixes in symbolic expression tree operators).

File:

• trunk/sources/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.3/Manipulators/ReplaceBranchManipulation.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.3/Manipulators/ReplaceBranchManipulation.cs

@@ -61 +61 @@
                            where manipulationPoint.Node.Grammar.GetMinExpressionLength(symbol) <= maxSize
                            select symbol;
-      if (allowedSymbols.Count() <= 1) return;
+      if (allowedSymbols.Count() == 0) return;
 
       var seedSymbol = SelectRandomSymbol(random, allowedSymbols);  // replace the old node with the new node