[Dune] Capability hasLeafIterator?

[Oliver Sander]

I think making level iterators optional is a point worth considering.
Already it seems to me (am I right?) that one grid implementation
doesn't implement them.

Since I got no further comment regarding hasLeafIterator I will
remove it later today.

--
Oliver

************************************************************************
* Oliver Sander                ** email: sander at mi.fu-berlin.de        *
* Freie Universität Berlin     ** phone: + 49 (30) 838 75217           *
* Institut für Mathematik II   ** URL  : page.mi.fu-berlin.de/~sander  *
* Arnimallee 6                 ** -------------------------------------*
* 14195 Berlin, Germany        ** Member of MATHEON (www.matheon.de)   *
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On Tue, 17 Oct 2006, Olaf Ippisch wrote:

> Dear Dune-Developers,
>
>> The namespace Capabilities contains a traits class hasLeafIterator.
>> I thought every grid implementation absolutely has to have leaf iterators?
> I also think that hasLeafIterator is not necessary, as a leaf iterator is
> essential for the usability of a grid. However, I would suggest to introduce
> a capability hasLevelIterator as a level iterator is as far as I know only
> necessary for geometric multigrid. A grid without level iterator might
> therefore still make sense.
>
> Regards,
> Olaf
>
>
> -- 
> Dr. Olaf Ippisch
> Universität Stuttgart
> Institut für Parallele und Verteilte Systeme
> Simulation großer Systeme
> Universitätsstraße 38, Raum 2.109
> Tel: 0711/7816252     FAX: 0711/78161252
> Mail: Universitätsstraße 38, 70569 Stuttgart
> e-mail: <olaf.ippisch at ipvs.uni-stuttgart.de>
>
> What is mind? No matter. And what is matter? Never mind.
>
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