[petsc-dev] checking if a vector is ghosted

[Matthew Knepley]

On Wed, Nov 9, 2011 at 11:06 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:

> On Wed, Nov 9, 2011 at 16:58, Barry Smith <bsmith at mcs.anl.gov> wrote:
>
>> Error in parallel not sequential.
>
>
> Okay, just note that the concept of a local space that is different from a
> global space is useful even in serial (e.g. ghost points for boundary
> conditions or periodic). The local form is just the domain of the
> LocalToGlobalMapping.
>

Yes, I definitely agree.

   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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