On Thu, Aug 23, 2012 at 12:12 PM, Chris Eldred <chris.eldred at gmail.com>wrote:
> Thanks- that helps a lot. If I need stencils that are larger than > closure(p) U star(p) (for a higher-order finite difference method, for > example), I assume that I need to create my own PetscSF's that > describe which points need to be ghosted? > Is this still a fully unstructured method? The Sieve formalism doesn't give you a very efficient way to do this for structured or semi-structured grids. Even so, if wider stencils are to be supported, I think it should be implemented within the library. Doing it outside with the current infrastructure is going to be quite a rabbit hole. > Is there some documentation or example code that explains the theory > behind star forests? > Docs for the basic operations: http://59A2.org/files/StarForest.pdf -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20120823/72805b1f/attachment.html>
