Changeset 7615 for branches/HeuristicLab.TimeSeries/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/SymbolicDataAnalysisExpressionTreeILEmittingInterpreter.cs

Timestamp:

03/15/12 09:11:17 (12 years ago)

Author:

gkronber

Message:

#1081 merged r7462:7609 from trunk into time series branch

Location:

branches/HeuristicLab.TimeSeries

Files:

• . (modified) (1 prop)
• HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/SymbolicDataAnalysisExpressionTreeILEmittingInterpreter.cs (modified) (6 diffs)

branches/HeuristicLab.TimeSeries/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/SymbolicDataAnalysisExpressionTreeILEmittingInterpreter.cs

@@ -21 +21 @@
 
 using System;
-using System.Collections.ObjectModel;
+using System.Collections.Generic;
 using System.Linq;
-using System.Collections.Generic;
 using System.Reflection;
 using System.Reflection.Emit;
@@ -48 +47 @@
     internal delegate double CompiledFunction(int sampleIndex, IList<double>[] columns, IList<double>[] cachedValues, int cacheStartIndex);
     private const string CheckExpressionsWithIntervalArithmeticParameterName = "CheckExpressionsWithIntervalArithmetic";
+    private const string EvaluatedSolutionsParameterName = "EvaluatedSolutions";
     #region private classes
     private class InterpreterState {
@@ -156 +156 @@
       get { return (IValueParameter<BoolValue>)Parameters[CheckExpressionsWithIntervalArithmeticParameterName]; }
     }
+
+    public IValueParameter<IntValue> EvaluatedSolutionsParameter {
+      get { return (IValueParameter<IntValue>)Parameters[EvaluatedSolutionsParameterName]; }
+    }
     #endregion
 
@@ -162 +166 @@
       get { return CheckExpressionsWithIntervalArithmeticParameter.Value; }
       set { CheckExpressionsWithIntervalArithmeticParameter.Value = value; }
+    }
+
+    public IntValue EvaluatedSolutions {
+      get { return EvaluatedSolutionsParameter.Value; }
+      set { EvaluatedSolutionsParameter.Value = value; }
     }
     #endregion
@@ -176 +185 @@
       : base("SymbolicDataAnalysisExpressionTreeILEmittingInterpreter", "Interpreter for symbolic expression trees.") {
       Parameters.Add(new ValueParameter<BoolValue>(CheckExpressionsWithIntervalArithmeticParameterName, "Switch that determines if the interpreter checks the validity of expressions with interval arithmetic before evaluating the expression.", new BoolValue(false)));
-    }
+      Parameters.Add(new ValueParameter<IntValue>(EvaluatedSolutionsParameterName, "A counter for the total number of solutions the interpreter has evaluated", new IntValue(0)));
+    }
+
+    [StorableHook(HookType.AfterDeserialization)]
+    private void AfterDeserialization() {
+      if (!Parameters.ContainsKey(EvaluatedSolutionsParameterName))
+        Parameters.Add(new ValueParameter<IntValue>(EvaluatedSolutionsParameterName, "A counter for the total number of solutions the interpreter has evaluated", new IntValue(0)));
+    }
+
+    #region IStatefulItem
+    public void InitializeState() {
+      EvaluatedSolutions.Value = 0;
+    }
+
+    public void ClearState() {
+      EvaluatedSolutions.Value = 0;
+    }
+    #endregion
 
     public IEnumerable<double> GetSymbolicExpressionTreeValues(ISymbolicExpressionTree tree, Dataset dataset, IEnumerable<int> rows) {
@@ -188 +214 @@
       if (CheckExpressionsWithIntervalArithmetic.Value)
         throw new NotSupportedException("Interval arithmetic is not yet supported in the symbolic data analysis interpreter.");
+      EvaluatedSolutions.Value++; // increment the evaluated solutions counter
       var compiler = new SymbolicExpressionTreeCompiler();
       Instruction[] code = compiler.Compile(tree, MapSymbolToOpCode);