Changeset 16692 for branches/2521_ProblemRefactoring/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Crossovers/SubtreeCrossover.cs

Timestamp:

03/18/19 17:24:30 (6 years ago)

Author:

abeham

Message:

#2521: merged trunk changes up to r15681 into branch (removal of trunk/sources)

Location:

branches/2521_ProblemRefactoring

Files:

• . (modified) (2 props)
• HeuristicLab.Encodings.SymbolicExpressionTreeEncoding (modified) (1 prop)
• HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Crossovers/SubtreeCrossover.cs (modified) (3 diffs)

branches/2521_ProblemRefactoring

@@ -24 +24 @@
 protoc.exe
 obj
+.vs

@@ -24 +24 @@
 protoc.exe
 obj
+.vs

branches/2521_ProblemRefactoring/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Crossovers/SubtreeCrossover.cs

@@ -1 +1 @@
 #region License Information
 /* HeuristicLab
- * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
+ * Copyright (C) 2002-2018 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
  *
  * This file is part of HeuristicLab.
@@ -95 +95 @@
       int childLength = crossoverPoint0.Child != null ? crossoverPoint0.Child.GetLength() : 0;
       // calculate the max length and depth that the inserted branch can have 
-      int maxInsertedBranchLength = maxTreeLength - (parent0.Length - childLength);
-      int maxInsertedBranchDepth = maxTreeDepth - parent0.Root.GetBranchLevel(crossoverPoint0.Parent);
+      int maxInsertedBranchLength = Math.Max(0, maxTreeLength - (parent0.Length - childLength));
+      int maxInsertedBranchDepth = Math.Max(0, maxTreeDepth - parent0.Root.GetBranchLevel(crossoverPoint0.Parent));
 
       List<ISymbolicExpressionTreeNode> allowedBranches = new List<ISymbolicExpressionTreeNode>();
@@ -111 +111 @@
       } else {
         var selectedBranch = SelectRandomBranch(random, allowedBranches, internalCrossoverPointProbability);
+        if (selectedBranch != null)
+          selectedBranch = (ISymbolicExpressionTreeNode)selectedBranch.Clone();
 
         if (crossoverPoint0.Child != null) {

@@ -24 +24 @@
 protoc.exe
 obj
+.vs