ffc team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Mon, Jun 08, 2009 at 12:52:41PM +0200, Jed Brown wrote:
> Anders Logg wrote:
> > On Fri, Jun 05, 2009 at 06:00:36PM -0500, Brandon Chabaud wrote:
> >> Is there some way to inform the Krylov solver that constant pressure is in the
> >> null space of the operator from Dolfin?  The only options that I could find for
> >> the KrylovSolver command were setting the solver type and setting the
> >> preconditioner type.
> > 
> > No, that's not included in the interface. You will have to extract the
> > PETSc Mat pointer using mat() from PETScMatrix and use PETSc calls.
> 
> Almost.  You need to get the KSP object from the solver and call
> KSPSetNullSpace().

It looks like the KSP object is not available in the PETScKrylovSolver
interface anymore. Why has it been removed. Garth?

-- 
Anders

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