[petsc-dev] preallocation checks

[Jed Brown]

On Fri, Jan 20, 2012 at 10:52, Barry Smith <bsmith at mcs.anl.gov> wrote:

> But what about a MatConvert_whatever_SeqAIJ() that uses MatGetRow() to
> determine counts for preallocation. We don't have such a beast?????


I think MatConvert_Basic should work that way, but you have to determine
whether values are in the diagonal block or not.
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