[Dune] high precision calculation in dune

[Markus Blatt]

Hi,

On Thu, Aug 22, 2013 at 01:20:04PM +0200, Klaus Kaiser wrote:
> till now I was using a dune::FieldVector<long double, n> for
> representing my degrees of freedom, but I got into a calculation
> where I have to deal with cancellation. So I'm looking for a
> possibility to raise the precision of my calculation and so I want
> to know if it is possible to easy use a higher precision data type,
> something like gmp, for my FieldVector. 

Good timining. There is an effort in this regard currently. See
https://dune-project.org/flyspray/index.php?do=details&task_id=1331. Maybe
you have some time available to chip in? We would highly appreciate
patches.

Cheers,

Markus> 

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