Re: [ROOT] FUMILI C++ code

From: Rene Brun (Rene.Brun@cern.ch)
Date: Thu Apr 17 2003 - 13:13:02 MEST


Stanislav,

I had an interface between HBOOK and FUMILI running many years ago.
As far as I remember, it should be straightforward to make an implementation
of TVirtualFitter::ExecuteCommand calling the Fumili functions.

Rene Brun

Stanislav Nesterov wrote:
> 
> On Thu, 17 Apr 2003, Rene Brun wrote:
> 
> > >    And I'm afraid it will be very hard to include it in ROOT, because all
> > > fitting classes requires minuit interface.
> >
> > This is WRONG. The fitting classes use exclusively the TVirtualFitter
> > interface, with the real implementation TFitter that calls TMinuit.
> > One could imagine a simple implementation of TFitter using Fumili instead.
> >
> > Rene Brun
> 
>     Hi Rene,
>     Sorry - may be I was not very clear. I mean that you should provide
> COMMAND interface like Minuit has, not object interface. This means that
> TVirtualFitter::ExecuteCommand() is used, for example, by TH1::Fit()
> exclusively in Minuit way - not in Fumili (Fumili has no executecommand
> interface at all).
> 
>                         Best regards,
>                                         Stanislav.



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