[petsc-users] Duplicate options

[Matthew Knepley]

On Wed, Aug 12, 2015 at 9:39 AM, Jed Brown <jed at jedbrown.org> wrote:

> Torquil Macdonald Sørensen <torquil at gmail.com> writes:
> > The section "Options for SEQAIJ matrix" is repeated. The reason I ask is
> > because I have another Petsc program that prints an enormous amount of
> > duplicate lines when running with -help. I found this old thread from
> > 2006 about the same problem:
> >
> > http://lists.mcs.anl.gov/pipermail/petsc-users/2006-October/000737.html
>
> Sadly, this is still a known problem and it got worse when we became
> more consistent about printing options for things like matrices and
> vectors (which rarely have prefixes and for which many options used to
> be hidden).  Fixing it is somewhat at odds with our desire to remove
> global variables whenever possible, but I think it needs to be fixed.  I
> tend to filter -help output with grep, FWIW.
>

What will we use to uniquely identify a block of options? I hate the idea
of a random string.
Its too easy to mess up. Should we use a class+type_name?

   Matt

-- 
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
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20150812/f13db3a3/attachment.html>