Changeset 8123 for trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/SymbolicDataAnalysisExpressionTreeILEmittingInterpreter.cs
- Timestamp:
- 06/26/12 14:17:10 (12 years ago)
- File:
-
- 1 edited
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trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/SymbolicDataAnalysisExpressionTreeILEmittingInterpreter.cs
r7708 r8123 837 837 public static double Psi(double x) { 838 838 if (double.IsNaN(x)) return double.NaN; 839 else if (x.IsAlmost(0.0)) return double.NaN; 840 else if ((Math.Floor(x) - x).IsAlmost(0.0)) return double.NaN; 839 else if (x <= 0 && (Math.Floor(x) - x).IsAlmost(0)) return double.NaN; 841 840 return alglib.psi(x); 842 841 } … … 865 864 double shi, chi; 866 865 alglib.hyperbolicsinecosineintegrals(x, out shi, out chi); 867 return chi;866 return shi; 868 867 } 869 868
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