Davide, The parameters from a fit are doubles, not floats or ints ! The option "Q" cannot change the type of the parameters. You must have overwritten your code. Rene Brun On Thu, 15 Aug 2002, Davide Gerbaudo wrote: > > > just a little question: > > I fitted a plot with pol1. > > When I get the parameters with passing the option "Q" the parameters are > integers. > > If I drop "Q" they are floats as they should be. > > > So is it a bug of root or do I have a closer look to my code? > > the printf, I use is always the same! > > This is the line I exchange: > > > h_ApvGain[i][k]->Fit("pol2","Q"); > > where : > h_ApvGain[i][j] = new TH1F(name, title, 200, 0, 200); > > Thank you very much > Davide Gerbaudo. >
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