dolfin team mailing list archive

[hetzel.devel@xxxxxx]

Discussion of DOLFIN development <dolfin-dev@xxxxxxxxxx> schrieb am 28.10.05 16:03:09:
> 
> Quoting "Robert C. Kirby" <kirby@xxxxxxxxxxxx>:
> 
> > I'm skeptical about this approach of requiring HYPRE --
> > it tends to violate the spirit of PETSc.
> > The point of PETSc is that everything can be run from the command line
> > (or a shell script that has all the options).  Somebody might refuse to
> > download HYPRE because they won't register (I can't imagine anybody
> > with that attitude, but I've heard they exist) or because they have  
> > something
> > better or whatever.
> > 
> > Perhaps a nicer thing to do is have a script that checks for HYPRE  
> > and runs DOLFIN
> > accordingly, or else does some default thing.
> 
> I agree, and this is how it works. It will still compile and run if you don't
> have HYPRE, but'll you'll be warned that that the solver will be slow.
> 
> Garth
> 

I agree too. 
It needs to by possible to compile witout HYPRE.
But if a warning is printed that the 'slow' GMRES solver is used everything is ok.

/Haiko

> > 
> > On Oct 28, 2005, at 8:57 AM, Anders Logg wrote:
> > 
> > > On Fri, Oct 28, 2005 at 11:12:25AM +0200, dolfin@xxxxxxxxxx wrote:
> > >
> > >> Commit from garth (2005-10-28 11:12 CEST)
> > >> -----------------
> > >>
> > >> Add HYPRE check in NavierStokesSolver.cpp. If HYPRE has not been
> > >> linked with PETSc, a warning is printed and the default GMRES solver
> > >> is used for the continuity equation.
> > >>
> > >
> > > Very good!
> > >
> > >
> > >> Should add check for all non-standard PETSc components.
> > >>
> > >
> > > I agree.
> > >
> > > /Anders
> > >
> > > _______________________________________________
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> > > DOLFIN-dev@xxxxxxxxxx
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> > >
> > 
> > Rob Kirby
> > 
> > "Mathematical software should be mathematical."
> > 
> > 
> > 
> > 
> > _______________________________________________
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> > DOLFIN-dev@xxxxxxxxxx
> > http://www.fenics.org/cgi-bin/mailman/listinfo/dolfin-dev
> > 
> 
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