[Dune] calling ISTL solvers for dense matrices

[Markus Blatt]

Hi,

On Tue, Jun 27, 2017 at 10:01:47AM +0200, Christian Engwer wrote:
> in complexmatrixtest ISTL krylov solvers are called for FieldMatrix
> and FieldVector. Is this a feature we want to support? I was a bit
> surprised and bitten by this usag. I tried to make ISTL work with
> custom allocators, but this requires the solvers to ask for the
> allocators in the vector in order to properly rebind te allocator for
> internal data. This obviously fails for FieldVector, as it doesn't
> need any allocator.
> 

While I never used them for dense matrix, I have expected and would
expect them to work. If they do, why change that?

Markus

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