dolfin team mailing list archive

[Johan Hake <johan.hake@xxxxxxxxx>]

On Jun 30, 2011, at 12:41, "Marie E. Rognes" <meg@xxxxxxxxx> wrote:

> On 06/05/11 21:47, Marie E. Rognes wrote:
>> On 06/01/2011 05:45 PM, Johan Hake wrote:
>>> On Wednesday June 1 2011 05:31:35 Anders Logg wrote:
>>>> On Wed, Jun 01, 2011 at 01:29:20PM +0200, Marie E. Rognes wrote:
>>>>> I'm for some strange reason loooking at dolfin.fem.Form and
>>>>> 
>>>>> dolfin.fem.assemble:
>>>>>     The form can be either an FFC form or a precompiled UFC form. If a
>>>>>     precompiled or 'pure' FFC form is given, then coefficients and
>>>>>     function_spaces have to be provided too. The coefficient functions
>>>>> 
>>>>> Where and in what cases is the above used?
>>>> 
>>>> I think this is something Martin and possibly Kent have requested
>>>> before. It's not used anywhere I know.
>>> 
>>> They were added so one could use dolfin to assemble a "pure" ufc::form. This
>>> is a nice feature for people who come with their own form compiler, which is
>>> not fully integrated with all the PyDOLFIN magic we have.
>>> 
>>> The statement:
>>> 
>>>   "dolfin can assemble any ufc complaint code"
>>> 
>>> becomes a little more true with that possibility.
>>> 
>> 
>> Ok, thanks :-)
> 
> Late follow-up: so is the logic in dolfin.fem.form regarding given function_spaces and coefficients versus those in form_data mainly designed around this?

Not sure I understand your question...

Johan