[petsc-dev] Naming for PCFieldSplitSetSchurPrecondition()

[Matthew Knepley]

On Thu, Jun 9, 2011 at 5:50 PM, Jed Brown <jed at 59a2.org> wrote:

> On Fri, Jun 10, 2011 at 00:47, Barry Smith <bsmith at mcs.anl.gov> wrote:
>
>> So you are suggesting totally removing PCFieldSplitSetSchurPrecondition()
>> and instead having the user call MatSetApproximateSchurComplement() if they
>> wish to provide a matrix?
>>
>
> Yeah, though I think it would still be useful to fall back to using the
> diagonal block if nothing was provided by the user. The user can choose
> -pc_type none if they don't want to do anything with that block.
>

I like that so we do not have to immediately change.

   Matt

-- 
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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