[petsc-dev] Differences between injection and interpolation creation

[Jed Brown]

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.
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