[petsc-dev] DMGetMatrix --> DMGetMatrices?

[Jed Brown]

On Fri, Feb 10, 2012 at 15:50, Dmitry Karpeev <karpeev at mcs.anl.gov> wrote:

> Why not simply allow DM to return two matrices as SNES and KSP would want
> anyway?


How do you specify the reduced stencil to use for the preconditioning
matrix? Maybe it wouldn't add too many more if statements to the current
code which is already polluted with them.
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