[Dune] Initialization of BlockVector with C array or Eigen array

[Markus Blatt]

On Wed, May 27, 2015 at 09:05:48AM +0200, Oliver Sander wrote:
> Am 26.05.2015 um 21:38 schrieb Tobias Ritschel:
> > Hi
> > 
> > I would like to use dune-istl to solve linear systems in a fully implicit
> > two-phase solver and I use Eigen to generate the Jacobi matrix and
> > right-hand-side. Is there a way to initialize a
> > BlockVector<FieldVector<double,1>> with a Eigen array or a C array without
> > copying?
> 
> IMO the most elegant solution would be to write a new istl vector class that behaves
> like BlockVector<FieldVector> but uses Eigen under the hood. 

Please be aware that using this appoach some of the more powerful
preconditioners might not be usable (e.g. AMG).

Markus

-- 
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