[petsc-dev] DMDA_*PERIODIC and DMDA_XYZGHOSTED

[Jed Brown]

On Tue, Dec 7, 2010 at 22:49, Dmitry Karpeev <karpeev at mcs.anl.gov> wrote:

> This would require the analog of MatMatMult for scatters.
> It shouldn't be that hard
>

It's some work to implement VecScatterCompose, but if you wrote a nice API
for mapping those integers around, I reckon it could be used to simplify a
lot of code elsewhere.
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