Changeset 23 for trunk/sources/HeuristicLab.StructureIdentification/Manipulation/CutOutNodeManipulation.cs

Timestamp:

02/21/08 11:45:52 (16 years ago)

Author:

gkronber

Message:

changed boolean variable BalanceTrees to double BalancedTreesRate (ticket #11)

File:

• trunk/sources/HeuristicLab.StructureIdentification/Manipulation/CutOutNodeManipulation.cs (modified) (3 diffs)

trunk/sources/HeuristicLab.StructureIdentification/Manipulation/CutOutNodeManipulation.cs

@@ -52 +52 @@
       AddVariableInfo(new VariableInfo("MaxTreeHeight", "The maximal allowed height of the tree", typeof(IntData), VariableKind.In));
       AddVariableInfo(new VariableInfo("MaxTreeSize", "The maximal allowed size (number of nodes) of the tree", typeof(IntData), VariableKind.In));
-      AddVariableInfo(new VariableInfo("BalanceTrees", "Determines if the trees should be balanced", typeof(BoolData), VariableKind.In));
+      AddVariableInfo(new VariableInfo("BalancedTreesRate", "Determines how many trees should be balanced", typeof(DoubleData), VariableKind.In));
       AddVariableInfo(new VariableInfo("OperatorTree", "The tree to mutate", typeof(IOperator), VariableKind.In));
       AddVariableInfo(new VariableInfo("TreeSize", "The size (number of nodes) of the tree", typeof(IntData), VariableKind.In));
@@ -65 +65 @@
       int maxTreeHeight = GetVariableValue<IntData>("MaxTreeHeight", scope, true).Data;
       int maxTreeSize = GetVariableValue<IntData>("MaxTreeSize", scope, true).Data;
-      bool balanceTrees = GetVariableValue<BoolData>("BalanceTrees", scope, true).Data;
+      double balancedTreesRate = GetVariableValue<DoubleData>("BalancedTreesRate", scope, true).Data;
 
       TreeGardener gardener = new TreeGardener(random, library);
@@ -95 +95 @@
         } else {
           // create a new random tree
-          IOperator newOperator = gardener.CreateRandomTree(gardener.AllOperators, maxTreeSize, maxTreeHeight, balanceTrees);
+          IOperator newOperator;
+          if(random.NextDouble() <= balancedTreesRate) {
+            newOperator = gardener.CreateRandomTree(gardener.AllOperators, maxTreeSize, maxTreeHeight, true);
+          } else {
+            newOperator = gardener.CreateRandomTree(gardener.AllOperators, maxTreeSize, maxTreeHeight, false);
+          }
 
           GetVariableValue<IntData>("TreeSize", scope, true).Data = gardener.GetTreeSize(newOperator);