[petsc-dev] MatCreateMPIAIJ(), MatCreateMPIBAIJ(), MatCreateMPISBAIJ() wrongly named

[Matthew Knepley]

On Thu, Mar 1, 2012 at 11:03 AM, Barry Smith <bsmith at mcs.anl.gov> wrote:

>
>    MatCreateMPIAIJ(), MatCreateMPIBAIJ(), MatCreateMPISBAIJ()   actually
> create Seq version of the matrices when run on one process.
>
>    Meanwhile MatMPIXXXSetPreallocation() always do preallocation for MPI
> case.
>
>    Shouldn't MatCreateMPIXXX() be MatCreateXXX()?
>

I agree, and we already have MATAIJ so it matches a type.


>    Also should we add MatXXXSetPreallocation() that calls both
> MatSeqXXXSetPreallocation() and MatMPIXXXSetPreallocation()?


In fact, that exists: MatXAIJSetPreallocation(). I use it for DMComplex.

   Matt


>
>    Barry
>
>


-- 
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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