[petsc-dev] Matt: what do to with src/snes/examples/tutorials/ex8.c ?

Matthew Knepley knepley at gmail.com
Sat Nov 24 10:27:05 CST 2012


On Sat, Nov 24, 2012 at 12:00 AM, Barry Smith <bsmith at mcs.anl.gov> wrote:
>
>   Matt,
>
>    src/snes/examples/tutorials/ex8.c   apparently went untested for a long while.
>
>    Recently I added it to the nightly tests. It does not work because it improperly did not call MatAssemblyBegin/End() collectively (in trying to do boundary conditions).
>
>    It appears to be some ancient attempt at doing finite elements for a simple problem (yet uses MatSetValuesStencil?)
>
>    It needs to be fixed up or completely removed from the source code?   I say just remove it all. What do you think?

Yes, remove it. We are going to do a different version with the
support today (DM + Section/IS++).

   Matt

>    Barry
>



--
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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