On Fri, Feb 10, 2012 at 16:06, Dmitry Karpeev <karpeev at mcs.anl.gov> wrote:
> I'm not sure I follow. If a matrix has been created, its type has been > set and it has been preallocated (e.g., MATMPIAIJ in > ksp/ksp/examples/tutorials/ex2), it is not marked as assembled until after > MatAssemblyEnd. Does it still make sense to duplicate it? In my opinion, > it does. > MatDuplicateOption specifies what to copy, but all cases are supposed to provide a correct nonzero pattern. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20120210/ee64f4b1/attachment.html>