ffc team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Thu, Dec 17, 2009 at 09:09:07PM +0100, Marie Rognes wrote:
> 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)

Yes! Exactly.

> >We probably need something like
> >
> >  format["do_nothing"] --> "// Do nothing"
> >
> >in the format dictionary.
> >
>
> Check (from previous)    .

ok.

--
Anders

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