On Thu, Jul 31, 2014 at 10:44 AM, Stephan Kramer <[email protected]> wrote:
> An update on this. We have been using mark/gamg-zerod branch and it fixes > for us the issue with zero diagonals in the coarsened operators (making the > sor smoother, but bizarrely not the jacobi smoother fail). We in fact have > some cases where cheby+jacobi does not converge (indefinite pc), but > cheby+sor (with the mark/gamg-zerod branch) works well, so we'd be very > much interested in getting this (or something similar) merged in master. Jed: this has been a pull request for 4+ months (#162).
