Re: [ROOT] TF1 problems

From: Rene Brun (Rene.Brun@cern.ch)
Date: Fri May 03 2002 - 12:37:10 MEST


Carlos,

Please send a real example and indicate on which machine + version of Root

Rene Brun

Carlos Sanchez wrote:
> 
> Hi,
> 
> I have a piece of compiled code in which I fit a parabola to a histogram.
> This fit is done once for every pseudoexperiment and everything works
> fine. However, once my compiled code has finished if I try to fit a
> histogram from the ROOT prompt I get a segmentation violation. This only
> happens when I run my code for more than one pseudoexperiment.
> 
> Here it is the code:
> 
> TH1F *h1 = new TH1F("h1", "Likelihood", 1900, 120.0, 230.0);
> 
> for (int j = 0; j < pseudo; j++)
> {
>   ...
> 
>   TF1 *parabola = new TF1("parabola", "pol2", low_limit, high_limit);
>   h1->Fit("parabola", "Q0R");
> 
>   ...
> 
>   delete parabola;
> }
> 
> Thank you for your help.
> 
> Carlos



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