On Tue, Sep 22, 2009 at 1:19 PM, Dima Karpeyev <karpeev at gmail.com> wrote:
> It is a preconditioner, rather than a matrix class, isn't it? > You have to go back to the Mat level, because there is no way to "unassemble" a Mat. This is the same old bullshit we deal with every time we try to move beyond a single linear algebra problem. Somehow, discretization needs to come in. Matt > Dmitry. > > > On Tue, Sep 22, 2009 at 1:17 PM, Matthew Knepley <knepley at gmail.com>wrote: > >> That is Oliver's old code. It is really complicated. I believe even Oliver >> thinks that any new implementation should start from scratch, using his >> current PETSc code as a reference. >> >> Matt >> >> >> On Tue, Sep 22, 2009 at 1:15 PM, Dmitry Karpeev <karpeev at >> mcs.anl.gov>wrote: >> >>> I've found something that looks like somewhat outdated code (e.g., it >>> uses SLESxxx) for FETI-DP: >>> src/mat/impls/feti >>> >>> It appears that this matrix class actually implements a FETI-DP based >>> preconditioner. >>> Is that right? >>> Perhaps some (or all) of it can be rolled into a more general >>> PCFieldSplit-type framework? >>> Any ideas? >>> >>> Thanks. >>> Dmitry. >>> >> >> >> >> -- >> 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 >> > > -- 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 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20090922/21c5561c/attachment.html>