dolfin team mailing list archive

[Martin Sandve Alnæs <martinal@xxxxxxxxx>]

Sorry, that should be
  dm->num_entity_dofs(dm->topological_dimension()) == dm->max_local_dimension()

Martin

On 11 September 2012 19:20, Martin Sandve Alnæs <martinal@xxxxxxxxx> wrote:
> This is maybe cumbersome, but you can identify DG elements by checking
> the number of dofs per mesh entity through ufc::dof_map, with the function
>     /// Return the number of dofs associated with each cell entity of
> dimension d
>     virtual unsigned int num_entity_dofs(unsigned int d) const = 0;
> if
>   dm->num_entity_dofs(0) == dm->max_local_dimension()
> then no dofs are shared between elements.
>
> However this does not cover elements where dofs are shared but
> the functions are still discontinuous in certain senses.
> I guess more information will be needed in the ufc element classes.
>
> Martin
>
>
> On 11 September 2012 16:13, Garth N. Wells <gnw20@xxxxxxxxx> wrote:
>> On Tue, Sep 11, 2012 at 11:36 AM, Joachim Berdal Haga <jobh@xxxxxxxxx> wrote:
>>> Ok! I'll just check the element family then. Is there a more robust
>>> way to query it (in C++) than parsing
>>> f->function_space()->element()->signature()?
>>>
>>
>> The signature should not be used. It's not robust. Using the signature
>> has caused problems in the past.
>>
>> Garth
>>
>>> -j.
>>>
>>> On 11 September 2012 12:09, Kent-Andre Mardal <kent-and@xxxxxxxxx> wrote:
>>>> I guess it is only the Lagrange/CG element that is continuous. The others
>>>> are only continuous
>>>> in certain senses or directions. I don't think there is any meta data that
>>>> contains this
>>>> info.
>>>>
>>>> Kent
>>>>
>>>> On 11 September 2012 11:56, Joachim Berdal Haga <jobh@xxxxxxxxx> wrote:
>>>>>
>>>>> Is there a simple way to find out whether an arbitrary Function (or
>>>>> FunctionSpace) is continuous across cells in C++?
>>>>>
>>>>> -j.
>>>>>
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