[petsc-dev] PCFieldSplitSetFields() API change

Jed Brown jedbrown at mcs.anl.gov
Thu Jun 7 18:24:27 CDT 2012

On Thu, Jun 7, 2012 at 6:17 PM, Dmitry Karpeev <karpeev at mcs.anl.gov> wrote:

> DMCreateFieldDecomposition(DM dm, PetscInt *numsplits, char **splitnames,
> IS *rowislist, IS *colislist, DM *dmlist)

How can this be right? Shouldn't I be getting arrays back (rather than
having to create my own)?

Does the PCFieldSplit have any say over the way this decomposition is

How is one name enough? Take Euler with a residual expressed in
conservative variables, but state expressed in primitive variables. How
would you name the splits?
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