On Thu, 7 Jan 2010 14:09:21 -0600, Barry Smith <bsmith at mcs.anl.gov> wrote: > Yes we would lose that functionality. But maybe ok since the > Cascadic multigrid is pretty much mesh sequencing. > We could avoid supporting adaptive mesh refinement for linear problems > (linear problems are silly anyways :-)).
Yes, but putting GMG inside a Schur fieldsplit preconditioner is something I expect to be doing pretty frequently, and wrapping the linear operation inside a SNES feels goofy in this context. > Yes this is a known problem (at least known by me :-) that will need > to be resolved with the next approach. Great, I just wanted to make sure it's on the radar. Jed
