[petsc-dev] FieldSplit fixes in 3.3

[Jed Brown]

On Wed, Aug 22, 2012 at 8:35 AM, Barry Smith <bsmith at mcs.anl.gov> wrote:

> Should MatCreateSchurComplement() be done properly the  PETSc way:   that
> is normal usage is
>
>      MatSetType(mat,MATSCHURCOMPLEMENT);
>      /* now if you want you can muck with the inner KSP */
>            MatSchurComplementGetKSP(mat,&ksp);
>            …….
>      MatSchurComplementSetSubMats(mat,……)       note: could merge with
> MatSchurComplementUpdate()
>       …..
>
>        and MatCreateSchurComplement() is just a convenience routine that
> calls the pieces in order and is NOT used directly by field split
>

Yes
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