[petsc-dev] DM RefineLevel and CoarsenLevel

[Jed Brown]

http://petsc.cs.iit.edu/petsc/petsc-dev/rev/aa929236ce51

On Sun, May 6, 2012 at 1:57 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:

>
>  Fine
>
> On May 6, 2012, at 2:44 PM, Jed Brown wrote:
>
> > Should the refinement level be copied over by DMCoarsen (and the coarsen
> level be copied by DMRefine)?
> >
> > It's useful for diagnostics to be able to define a universal level. If I
> use PCMG and -snes_grid_sequence, there is effectively a sequence like
> >
> > DMCreate(,&dm0); // r=0,c=0
> > DMRefine(dm0,&dmf); // r=1,c=0
> > DMCoarsen(dmf,&dmc); // r=0,c=1
> >
> >
> > I would like a way to identify dmc as being on the "same level" as dm0.
>
>
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