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. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20110610/97cfc790/attachment.html>
