Changeset 5510 for branches/DataAnalysis Refactoring/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Manipulators/OnePointShaker.cs

Timestamp:

02/17/11 13:51:04 (13 years ago)

Author:

gkronber

Message:

#1418 Fixed compiler errors in symbolic expression tree encoding

File:

• branches/DataAnalysis Refactoring/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Manipulators/OnePointShaker.cs (modified) (2 diffs)

branches/DataAnalysis Refactoring/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Manipulators/OnePointShaker.cs

@@ -26 +26 @@
 using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
 using HeuristicLab.Parameters;
+using System.Collections.Generic;
 
 namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding {
@@ -54 +55 @@
     }
 
-    protected override void Manipulate(IRandom random, SymbolicExpressionTree tree) {
-      var parametricNodes = from node in tree.IterateNodesPrefix()
-                            where node.HasLocalParameters
-                            select node;
-      if (parametricNodes.Count() > 0) {
+    protected override void Manipulate(IRandom random, ISymbolicExpressionTree tree) {
+      List<ISymbolicExpressionTreeNode> parametricNodes = new List<ISymbolicExpressionTreeNode>();
+      tree.Root.ForEachNodePostfix(n => {
+        if (n.HasLocalParameters) parametricNodes.Add(n);
+      });
+      if (parametricNodes.Count > 0) {
         var selectedPoint = parametricNodes.SelectRandom(random);
-
         selectedPoint.ShakeLocalParameters(random, ShakingFactor.Value);
       }