[petsc-dev] who broke petsc-dev

[Jed Brown]

On Sun, Nov 13, 2011 at 16:36, Barry Smith <bsmith at mcs.anl.gov> wrote:

> 1) It is legitimate to call KSPSetOperators with a null Amat so this is a
> bug that crashes large parts of PETSc
>

This logic should be moved much later (like to KSPSetUp()).


>
> 2) Do you really want to do this? I am not sure I like it.
>

I think that attaching the null space to the Mat should be the preferred
way to communicate it, especially in the case of a deeply nested hierarchy.
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