Changeset 3998 for trunk/sources/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding

Timestamp:

07/06/10 12:33:30 (14 years ago)

Author:

gkronber

Message:

Minor efficiency improvement in crossover for symbolic expression trees. #1073

File:

• trunk/sources/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.3/Crossovers/SubtreeCrossover.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.3/Crossovers/SubtreeCrossover.cs

@@ -97 +97 @@
       // check point type for the whole branch
       branch.ForEachNodePostfix((n) => {
-        result &= n.SubTrees.Count >= parent.Grammar.GetMinSubtreeCount(n.Symbol);
-        result &= n.SubTrees.Count <= parent.Grammar.GetMaxSubtreeCount(n.Symbol);
-        result &= parent.Grammar.ContainsSymbol(n.Symbol);
+        result =
+          result &&
+          n.SubTrees.Count >= parent.Grammar.GetMinSubtreeCount(n.Symbol) &&
+          n.SubTrees.Count <= parent.Grammar.GetMaxSubtreeCount(n.Symbol) &&
+          parent.Grammar.ContainsSymbol(n.Symbol);
       });
       return result;