Re: is TMinuit still a FORTRAN implementation?

Rene Brun (Rene.Brun@cern.ch)
Mon, 08 Dec 1997 07:31:08 +0100


William J. Deninger wrote:

> Hello,
>
> Is it possible to have multiple instances of TMinuit, one implemented inside
> the FCN of the other? I've tried such a beast only to see strange behavior
> while TMinuit is iterating. My only guess is that TMinuit still uses
> FORTRAN calls which limit TMinuit to only one globally shared data heap. Or
> perhaps there's a bug somewhere in my own code??
>
> William Deninger
> deninge@uiuc.edu

You can create several instances of TMinuit in a program, but only one
at a given time. The current instance defines a global gMinuit.
TMinuit does not use Fortran at all. There are no calls to Fortran
in the Root system.

Rene Brun