[petsc-dev] TS Terminology

Matthew Knepley knepley at gmail.com
Fri Oct 20 17:47:57 CDT 2017


On Fri, Oct 20, 2017 at 6:44 PM, Jed Brown <jed at jedbrown.org> wrote:

> Matthew Knepley <knepley at gmail.com> writes:
>
> > On Fri, Oct 20, 2017 at 6:36 PM, Jed Brown <jed at jedbrown.org> wrote:
> >
> >> Matthew Knepley <knepley at gmail.com> writes:
> >>
> >> > I think you are right that the SNES thing needs fixed as well. The
> >> > problem has not come up because no one ever uses that interface. It is
> >> > only there because it makes FAS a lot easier.
> >>
> >> That interface precedes FAS.  It's there because it's convenient.
> >>
> >
> > That is not my memory.
>
> You made the change.  That was long before FAS moved from DMMG into
> SNES.
>

I know. I was writing FAS, code that no longer exists, and needed that to
make things nice.

   Matt


> commit f69a0ea3504314d029ee423e0de2950ece2dab86
> Author: Matthew Knepley <knepley at mcs.anl.gov>
> Date:   Tue Mar 15 18:34:40 2005 -0600
>
>     bk-changeset-1.2975.1.5
>     knepley at khan.(none)|ChangeSet|20050316003440|07799
>     ChangeSet
>       1.2975.1.5 05/03/15 18:34:40 knepley at khan.(none) +235 -0
>       Fixed many const arguments
>       Changed MatCreate() to only take a communicator
>        - Added MatSetSizes()
>       Changed SNESSolve() to accept a constant argument
>        - This should allow SNES to look almost like KSP
>       Added Options methods, SetUp(), and View() and objects which lacked
> them
>
>


-- 
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

https://www.cse.buffalo.edu/~knepley/ <http://www.caam.rice.edu/~mk51/>
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