[Dune] calling ISTL solvers for dense matrices

[Steffen Müthing]

Hi,

> Am 28.06.2017 um 09:23 schrieb Markus Blatt <markus at dr-blatt.de>:
> 
> 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?

I’m not using the solvers myself for dense matrices, but Eike definitely does in his
preconditioner.

Steffen

> 
> Markus
> 
> --
> Dr. Markus Blatt - HPC-Simulation-Software & Services http://www.dr-blatt.de
> Hans-Bunte-Str. 8-10, 69123 Heidelberg, Germany
> Tel.: +49 (0) 160 97590858
> 
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