[petsc-dev] PCGAMG: set default type (AGG); PCSetUp_GAMG crashes if not set

[Matthew Knepley]

On Wed, Oct 30, 2013 at 11:15 AM, Jed Brown <jedbrown at mcs.anl.gov> wrote:

> Matthew Knepley <knepley at gmail.com> writes:
> >> True, but if you do that, you could also mark all those instances and
> >> remove them automatically.
> >>
> >
> > True.
>
> So should we mark them and remove them automatically, getting rid of
> this extra thing to remember and another likely place for merge
> conflicts?  Are there any circumstances where that would be surprising?
>

The only confusing thing I see is if we wanted them not set back to NULL,
but
to a "default" function. I think we should outlaw that.

   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
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