On Fri, Feb 3, 2012 at 08:07, Klaij, Christiaan <C.Klaij at marin.nl> wrote:
> > I should add a MatNestGetISs() so you can get out the > automatically-created > > ISs. They will have the structure described below. If you want to work > with > > the released version, you should create the ISs yourself. > > As a user, having MatNestGetISs would be most convenient. > Pushed to petsc-dev, you have to allocate arrays to hold the returned ISs. > > > A has a contigous distribution, so the ISs must respect that. Did you try > > creating the index sets described above? Please explain "something's > wrong". > > Finally I understand the relation between the nesting and the > index sets. After replacing my incorrect ISs with the correct > ones, everything's fine (no more [0]PETSC ERROR: Arguments are > incompatible! [0]PETSC ERROR: Could not find index set!). > > Thanks a lot for your help, Jed, I really appreciate it. > > > dr. ir. Christiaan Klaij > CFD Researcher > Research & Development > E mailto:C.Klaij at marin.nl > T +31 317 49 33 44 > > MARIN > 2, Haagsteeg, P.O. Box 28, 6700 AA Wageningen, The Netherlands > T +31 317 49 39 11, F +31 317 49 32 45, I www.marin.nl > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20120211/3fbeb84f/attachment.htm>
