[Dune] Example on IteratorRange

Aleksejs Fomins aleksejs.fomins at lspr.ch
Fri Jan 23 08:59:58 CET 2015


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Dear Christian,

Thank you for your reply.

I have a generic function which works the same way for all grid views,
with the exception that it iterates over the gridview in some way.

I thought it would make sense to implement this function as a
protected member of the generic gridview class, and call it from the
derived leafgridview as

Base::f(LeafIteratorRange)

Can I pass iterator ranges to functions? What is their type then?

Cheers,
Aleksejs


On 22/01/15 21:56, Christian Engwer wrote:
> Dear Aleksejs,
> 
> I'm sorry, but I don't uderstand your question. What exactly do
> you miss in the documentation?
> 
> There are examples for all functions like elements(gv), 
> intersection(e), entities(gv, dim/codim)...
> 
> On Thu, Jan 22, 2015 at 06:05:55PM +0100, Aleksejs Fomins wrote:
>> Dear Dune,
>> 
>> I remember we had a discussion before on using iterator ranges
>> for iterating over entities of gridview, as written in here
>> 
>> http://www.dune-project.org/doc/doxygen/dune-grid-html/group___g_i_iteration.html#_details
>>
>>
>> 
Would somebody be so kind to show me to an example program doing this?
>> 
>> In particular, I do not seem to be able to derive from that 
>> documentation page on how one constructs such an iterator. Or,
>> at least, my Eclipse is not able to direct me to the method like 
>> Dune::GridView::elements
> 
> as shown in the examples you are not calling methods on a class.
> These are free functions operating on a gridview, adding syntactic
> sugar ontop of the begin/end methods of the gridview.
> 
> Christian
> 
>> 
>> Thank you, Aleksejs
>> 
>> _______________________________________________ Dune mailing
>> list Dune at dune-project.org 
>> http://lists.dune-project.org/mailman/listinfo/dune
>> 
> 
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