Changeset 12867 for branches/HiveStatistics/sources/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Creators/FullTreeCreator.cs

Timestamp:

08/17/15 15:35:20 (9 years ago)

Author:

ascheibe

Message:

#2388 merged trunk into branch

Location:

branches/HiveStatistics/sources

Files:

• . (modified) (1 prop)
• HeuristicLab.Encodings.SymbolicExpressionTreeEncoding (modified) (1 prop)
• HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Creators/FullTreeCreator.cs (modified) (3 diffs)

branches/HiveStatistics/sources/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Creators/FullTreeCreator.cs

@@ -77 +77 @@
       rootNode.AddSubtree(startNode);
 
-      Create(random, startNode, maxTreeDepth - 2);
+      Create(random, startNode, maxTreeDepth-1);
       tree.Root = rootNode;
       return tree;
@@ -99 +99 @@
       for (var i = 0; i < arity; i++) {
         var possibleSymbols = allowedSymbols
-          .Where(s => seedNode.Grammar.IsAllowedChildSymbol(seedNode.Symbol, s, i))
+          .Where(s => seedNode.Grammar.IsAllowedChildSymbol(seedNode.Symbol, s, i)
+                   && seedNode.Grammar.GetMinimumExpressionDepth(s) <= maxDepth
+                   && seedNode.Grammar.GetMaximumExpressionDepth(s) >= maxDepth)
           .ToList();
         var weights = possibleSymbols.Select(s => s.InitialFrequency).ToList();
@@ -142 +144 @@
         var selectedSymbol = possibleSymbols.SelectRandom(weights, random);
 #pragma warning restore 612, 618
-        
+
         var tree = selectedSymbol.CreateTreeNode();
         if (tree.HasLocalParameters) tree.ResetLocalParameters(random);