On Sun, Nov 13, 2011 at 16:36, Barry Smith <bsmith at mcs.anl.gov> wrote:
> 1) It is legitimate to call KSPSetOperators with a null Amat so this is a > bug that crashes large parts of PETSc > This logic should be moved much later (like to KSPSetUp()). > > 2) Do you really want to do this? I am not sure I like it. > I think that attaching the null space to the Mat should be the preferred way to communicate it, especially in the case of a deeply nested hierarchy. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20111113/68135afa/attachment.html>
