Re: [ROOT] FUMILI C++ code

From: Rene Brun (Rene.Brun@cern.ch)
Date: Thu Apr 17 2003 - 12:56:09 MEST


Hi Stanislav,

Stanislav Nesterov wrote:
> 
>    Hi Igor,
>    AFAIK there is no C++ Fumili version, I am also very interested in it.
>    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

>    I've tried to rewrite fortran code in C, but I'm not sure it is
> functioning well (and I doubt it is not yet completed). I've attached it
> to this mail.
>    Full information about FUMILI iteration scheme can be found only in
> YINDR preprint (may be Dubna has scanned version of old preprints?). (See
> http://consult.cern.ch/shortwrups/d510/top.html).
> 
>                         Best regards,
>                                                 Stanislav.
> 
> On Thu, 17 Apr 2003, Igor Giller wrote:
> 
> >
> > Dear Rooters.
> >
> >    I am looking for a C++ version of the FUMILI code (in CERNLIB,
> > constrained fits), and a writeup describing (in English or Russian) the
> > FUMILI iteration scheme. If anyone has this, please contact me.
> > It may be useful to include this code in root framework?
> >
> > Sincerely, Igor Giller
> >
> >
> >
> >
> 
>   --------------------------------------------------------------------------------
>                 Name: TFumili.C
>    TFumili.C    Type: Plain Text (TEXT/PLAIN)
>             Encoding: BASE64



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