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

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).

Location:

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

Files:

• ChangeNodeTypeManipulation.cs (modified) (2 diffs)
• ReplaceBranchManipulation.cs (modified) (1 diff)

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

@@ -59 +59 @@
                            select symbol;
 
-      if (allowedSymbols.Count() <= 1) {
+      if (allowedSymbols.Count() == 0) {
         success = false;
         return;
@@ -72 +72 @@
                                where disallowedSubtrees.Count() == 0
                                select symbol;
-      if (constrainedSymbols.Count() <= 1) {
+      if (constrainedSymbols.Count() == 0) {
         success = false;
         return;

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