[petsc-dev] Geometric multigrid

[Jed Brown]

On Sun, Jan 8, 2012 at 23:13, Thomas Witkowski <
Thomas.Witkowski at tu-dresden.de> wrote:

> The tutorial of the release version says not to use the DMMG interface as
> the will be something new in the next release version. Is there something
> already in the dev branch?
>

Yes, call SNESSetDM() or KSPSetDM() and then -snes_grid_sequence
NREFINEMENTS and -pc_type mg -pc_mg_levels NLEVELS will work as expected.
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