[petsc-dev] Need mechanism to set LocalToGlobal mapping in a DMShell

Jed Brown jedbrown at mcs.anl.gov
Thu Feb 21 13:05:13 CST 2013


On Thu, Feb 21, 2013 at 12:58 PM, Dmitry Karpeev <karpeev at mcs.anl.gov>wrote:

> I would vote for DMGetLocalToGlobalMapping() etc.
> That has the flexibility to be used with  DM-impl-oblivious codes.
>

http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/DM/DMGetLocalToGlobalMapping.html


It looks like Rich wants to run his scatters using
DMGlobalToLocalBegin/End, and doesn't really care about about the
ISLocalToGlobalMapping.
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