ffc team mailing list archive

[Marie Rognes <meg@xxxxxxxxx>]

Anders Logg wrote:
> On Thu, Dec 17, 2009 at 02:32:19PM -0000, noreply@xxxxxxxxxxxxx wrote:
>   
> > ------------------------------------------------------------
> > revno: 1348
> > committer: meg@xxxxxxxxx
> > branch nick: ffc-dev
> > timestamp: Thu 2009-12-17 15:29:05 +0100
> > message:
> >   Simple functionality now in place in compute_dof_ir. Missing tabulate_* and
> >   create_sub_dof_map.
> >
> >   What is init_cell and init_cell_finalize used for?
> >     
>
> It was added to UFC to allow a form compiler to precompute the dofmap
> by iterating over the mesh. If you look at DofMap.cpp in DOLFIN you
> will see this:
>
>  // Initialize UFC dof map
>  const bool init_cells = dofmap.init_mesh(ufc_mesh);
>  if (init_cells)
>  {
>    UFCCell ufc_cell(dolfin_mesh);
>    for (CellIterator cell(dolfin_mesh); !cell.end(); ++cell)
>    {
>      ufc_cell.update(*cell);
>      dofmap.init_cell(ufc_mesh, ufc_cell);
>    }
>    dofmap.init_cell_finalize();
>  }
>
> init_cell and init_cell_finalize are not used by FFC only SyFi so
> init_mesh should return false and the other two should be empty.
>
>   

I copied the previous, so init_mesh initializes the global_dimension 
(and returns false)

> We probably need something like
>
>   format["do_nothing"] --> "// Do nothing"
>
> in the format dictionary.
>
>   

Check (from previous)    .

--
Marie
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