Changeset 5052

Timestamp:

12/07/10 10:25:41 (14 years ago)

Author:

mkommend

Message:

Removed unused caching code (ticket #1256).

File:

• branches/GP.Symbols (TimeLag, Diff, Integral)/HeuristicLab.Problems.DataAnalysis/3.3/Symbolic/SimpleArithmeticExpressionInterpreter.cs (modified) (4 diffs)

branches/GP.Symbols (TimeLag, Diff, Integral)/HeuristicLab.Problems.DataAnalysis/3.3/Symbolic/SimpleArithmeticExpressionInterpreter.cs

@@ -36 +36 @@
   // not thread safe!
   public sealed class SimpleArithmeticExpressionInterpreter : NamedItem, ISymbolicExpressionTreeInterpreter {
-    private struct InstructionEvaluation {
-      int instructionIndex;
-      int row;
-    }
-
     private class OpCodes {
       public const byte Add = 1;
@@ -112 +107 @@
     private double[] argumentStack = new double[ARGUMENT_STACK_SIZE];
     private int argStackPointer;
-    private Dictionary<InstructionEvaluation, double> cachedEvaluations;
 
     public override bool CanChangeName {
@@ -131 +125 @@
     public SimpleArithmeticExpressionInterpreter()
       : base() {
-      cachedEvaluations = new Dictionary<InstructionEvaluation, double>();
     }
 
     public IEnumerable<double> GetSymbolicExpressionTreeValues(SymbolicExpressionTree tree, Dataset dataset, IEnumerable<int> rows) {
       this.dataset = dataset;
-      cachedEvaluations.Clear();
       var compiler = new SymbolicExpressionTreeCompiler();
       compiler.AddInstructionPostProcessingHook(PostProcessInstruction);
@@ -146 +138 @@
         yield return Evaluate();
       }
-      cachedEvaluations.Clear();
     }