Changeset 7707 for trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/SymbolicDataAnalysisExpressionTreeInterpreter.cs

Timestamp:

04/05/12 10:28:47 (12 years ago)

Author:

gkronber

Message:

#1810 fixed issues with newly added symbols to fix unit tests

File:

• trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/SymbolicDataAnalysisExpressionTreeInterpreter.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/SymbolicDataAnalysisExpressionTreeInterpreter.cs

@@ -370 +370 @@
             var x = Evaluate(dataset, ref row, state);
             if (double.IsNaN(x)) return double.NaN;
-            else if (x.IsAlmost(0.0)) return 0.0;
-            else if (x.IsAlmost(-1.0)) return 0.0;
+            else if (x.IsAlmost(0.0)) return double.NaN;
+            else if ((Math.Floor(x) - x).IsAlmost(-1.0)) return double.NaN;
             return alglib.psi(x);
           }