3982     double fSumSqrDeltaX    = 0.0; // sum of (ValX-MeanX)^2  in CalculatePearsonCovar()  local
4015                         fSumSqrDeltaX    += (fValX - fMeanX) * (fValX - fMeanX);  in CalculatePearsonCovar()
4023             if (fSumSqrDeltaX == 0.0 || ( !_bStexy && fSumSqrDeltaY == 0.0) )  in CalculatePearsonCovar()
4027                             fSumDeltaXDeltaY / fSumSqrDeltaX) / (fCount-2)));  in CalculatePearsonCovar()
4029                 PushDouble( fSumDeltaXDeltaY / sqrt( fSumSqrDeltaX * fSumSqrDeltaY));  in CalculatePearsonCovar()
4091     double fSumSqrDeltaX    = 0.0; // sum of (ValX-MeanX)^2  in CalculateSlopeIntercept()  local
4121                     fSumSqrDeltaX    += (fValX - fMeanX) * (fValX - fMeanX);  in CalculateSlopeIntercept()
4125         if (fSumSqrDeltaX == 0.0)  in CalculateSlopeIntercept()
4130                 PushDouble( fSumDeltaXDeltaY / fSumSqrDeltaX);  in CalculateSlopeIntercept()
4132                 PushDouble( fMeanY - fSumDeltaXDeltaY / fSumSqrDeltaX * fMeanX);  in CalculateSlopeIntercept()
4176     double fSumSqrDeltaX    = 0.0; // sum of (ValX-MeanX)^2  in ScForecast()  local
4206                     fSumSqrDeltaX    += (fValX - fMeanX) * (fValX - fMeanX);  in ScForecast()
4210         if (fSumSqrDeltaX == 0.0)  in ScForecast()
4213             PushDouble( fMeanY + fSumDeltaXDeltaY / fSumSqrDeltaX * (fVal - fMeanX));  in ScForecast()