[Dune] Changes during constification - problems regarding mark-method

[Robert Kloefkorn]

Thimo Neubauer wrote:

> 
> For the first goal we pass a single grid implementation instead of a
> list of classes which are connected via a grid implementation
> anyway. The new form reads
> 
> template<class GridImp>
> class SIntersectionIterator : 
>       public IntersectionIteratorDefault <GridImp,SIntersectionIterator>
> 
> instead of
> 
> template<int dim, int dimworld>
> class SIntersectionIterator : 
>       public IntersectionIteratorDefault <dim,dimworld,sgrid_ctype,
>                SIntersectionIterator,SEntity,SElement,SBoundaryEntity>
> 

I totaly agree with that, because now one can derive classes that have a 
different parameter list than dim and dimworld but implement the grid 
interface aswell.

> A different fix which would ease the constification a lot would be to
> move the mark-functionality to the grid-interface, e.g.
> 
>   Grid::mark(Entity &e)
> 
> which we would prefer... :) This should be pretty easy to implement,
> as the grid-implementation which filled the entity-datastructure can
> use it's own information.
> 
> Do we have more operations planned which would modify the grid via an
> entity? Any reasons not to move mark to the grid?

Don't know yet. I have to think about thsi aspect.

Bye

R

-- 

   Robert Klöfkorn           <robertk at mathematik.uni-freiburg.de>

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