[Facets-devel] PETSC ERROR

[Matthew Knepley]

On Thu, Jun 4, 2009 at 3:37 PM, Satish Balay <balay at mcs.anl.gov> wrote:

> Barry/Matt,
>
> Should we make optfile in PetscIntialize(optfile) optional?


Why would the user give an argument for optfile, but not intend it to be
found?

  Matt


>
> Current code is:
>
> PetscIntialize("file") -> PetscOptionsInsert(optfile) ->
> PetscOptionsInsertFile(optfile,PETSC_TRUE)
>
> i.e it gives error if the "optfile" is not found.
>
> Should the code be changed to use:
> PetscOptionsInsertFile(optfile,PETSC_FALSE)?
>
>
> Alternatives would be to expose the flag - a bit higher [i.e use
> PetscOptionsInsert(file,flg)] or expose it further up to
> PetscIntialize(optfile,flg). But changing PetscIntialize() might not
> be desireable.
>
>
> I'm inclined to use:
> PetscIntialize("file") -> PetscOptionsInsert(optfile,PETSC_FALSE) ->
> PetscOptionsInsertFile(optfile,flg)
>
> Satish
>
> On Thu, 4 Jun 2009, John R. Cary wrote:
>
> > In the UEDGE tests we get
> >
> > oxygen.cary$ grep PETSC */*.out | grep petscopt
> > setup/alloc-cxxpy.out:[0]PETSC ERROR: Unable to open Options File
> petscopt!
> > tokgeo_HffCnog_ss/tokHffCnog-cxxpy.out:[0]PETSC ERROR: Unable to open
> > Options File petscopt!
> > tokgeo_HmsCnog_ss/tokHmsCnog-cxxpy.out:[0]PETSC ERROR: Unable to open
> > Options File petscopt!
> > tokgeo_H/tokHsm-cxxpy.out:[0]PETSC ERROR: Unable to open Options File
> > petscopt!
> >
> >
> > Is this really an error?  The code seems to run fine, but those error
> > messages would be disconcerting to a user.
> >
> > John
> > _______________________________________________
> > Facets-devel mailing list
> > Facets-devel at ice.txcorp.com
> > https://ice.txcorp.com/mailman/listinfo/facets-devel
> >
>
>


-- 
What most experimenters take for granted before they begin their experiments
is infinitely more interesting than any results to which their experiments
lead.
-- Norbert Wiener
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