ffc team mailing list archive

["Garth N. Wells" <gnw20@xxxxxxxxx>]

Marie Rognes wrote:
> Anders Logg wrote:
>> We've come pretty far on the rewrite of FFC and only a few functions
>> remain. As far as I can see, it remains to implement code generation
>> for the following functions:
>>
>> Kristian:
>>
>>   code["evaluate_basis_all"] = not_implemented
>>   code["evaluate_basis_derivatives"] = not_implemented
>>   code["evaluate_basis_derivatives_all"] = not_implemented
>>
>> Marie:
>>
>>   code["tabulate_entity_dofs"] = not_implemented # Marie doesn't know
>> what this function should do
>>   
> 
> 
> Evidently, my comment was unclear ;)
> Should it look like this for CG_1?
> 
>  /// Tabulate the local-to-local mapping of dofs on entity (d, i)
>  virtual void tabulate_entity_dofs(unsigned int* dofs,
>                                    unsigned int d, unsigned int i) const
>  {
>       dofs[0] = i   }
> 
> 
> 
> 
>>   code["tabulate_coordinates"] = not_implemented # Marie doesn't
>> believe in this function
>>
>>   
> 
> 
> What should this function do for the integral moment dofs, where there
> are more than one point per dof?
> 

An error?

It is useful to know the dof location for some problems. A simple
example is for visualising higher-order Lagrange functions, which is
something that some libraries do support.

Garth

>> Marie or Kristian:
>>
>>   code["interpolate_vertex_values"] = not_implemented
>>
>>   
> 
> Can fix.
> 
> 
> -- 
> Marie
> 
> 
>> In addition, we need to get the code generation for the integral
>> classes working. It's sort of working for the tensor representation
>> but not at all (?) for the quadrature representation. I'll be working
>> on getting the tensor representation completely in place.
>>
>> -- 
>> Anders
>>  
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>>
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> 
> 
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