On Sun, Nov 13, 2011 at 10:44 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:
> 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()). > I disagree, since SetOperators() is where we know that the matrix is changing. Matt > > >> >> 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. > -- 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/20111113/a49f7ee4/attachment.html>
