Changeset 18214 for branches/3040_VectorBasedGP/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/Interpreter

Timestamp:

02/08/22 17:36:18 (3 years ago)

Author:

pfleck

Message:

#3040 Added first version of sampling segment optimization manipulator for vectorial sym reg.

File:

• branches/3040_VectorBasedGP/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/Interpreter/SymbolicDataAnalysisExpressionTreeVectorInterpreter.cs (modified) (1 diff)

branches/3040_VectorBasedGP/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/Interpreter/SymbolicDataAnalysisExpressionTreeVectorInterpreter.cs

@@ -729 +729 @@
         case OpCodes.SubVector: {
           DoubleVector SubVector(DoubleVector v , double start, double end) {
-            int Mod(int x, int m) => (x % m + m) % m;
-            int startIdx = Mod((int)Math.Round(start * v.Count), v.Count);
-            int endIdx = Mod((int)Math.Round(end * v.Count), v.Count);
-              int size = v.Count;
+            int size = v.Count;
+            int startIdx = Math.Abs((int)Math.Round(start * (size - 1)) % size);
+            int endIdx = Math.Abs((int)Math.Round(end * (size - 1)) % size);
             if (startIdx < endIdx) {
               return v.SubVector(startIdx, count: endIdx - startIdx);