[petsc-dev] Differences between injection and interpolation creation

Matthew Knepley knepley at gmail.com
Tue Jan 13 12:41:17 CST 2015


On Tue, Jan 13, 2015 at 12:36 PM, Jed Brown <jed at jedbrown.org> wrote:

> Lawrence Mitchell <lawrence.mitchell at imperial.ac.uk> writes:
> > Thanks, pull request is here:
> > https://bitbucket.org/petsc/petsc/pull-request/245/
> >
> > There are a few places where the old VecScatter is used with
> > INSERT_VALUES, rather than the ADD_VALUES that MatRestrict gives via
> > MatMult.  I pull the scatter context out of the injection Mat to do
> > this (although this will obviously fail in the case that the Mat is
> > not a MatScatter).
>
> Looks good in general; I commented on the PR.
>

I cant see them.

  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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