dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

ok, hopefully we can get started on moving FFC over to UFL after
Christmas.

-- 
Anders


On Mon, Dec 22, 2008 at 01:37:36PM +0100, Martin Sandve Alnæs wrote:
> I think I can refrain from writing functions on piecewise constant
> symmetric tensor elements to vtk files for a while :)
> 
> Martin
> 
> 
> 
> On Mon, Dec 22, 2008 at 1:31 PM, Anders Logg <logg@xxxxxxxxx> wrote:
> > On Mon, Dec 22, 2008 at 01:28:26PM +0100, Martin Sandve Alnæs wrote:
> >> On Mon, Dec 22, 2008 at 1:14 PM, Garth N. Wells <gnw20@xxxxxxxxx> wrote:
> >> >
> >> >
> >> > Martin Sandve Alnæs wrote:
> >> >>
> >> >> On Mon, Dec 22, 2008 at 1:02 PM, Garth N. Wells <gnw20@xxxxxxxxx> wrote:
> >> >>>
> >> >>> Martin Sandve Alnæs wrote:
> >> >>>>
> >> >>>> This check isn't general either.
> >> >>>>
> >> >>> Can you give me an example of when it fails?
> >> >>
> >> >> It will fail for symmetric tensor elements.
> >> >>
> >> >
> >> > Which we don't yet support :).
> >>
> >> Which SFC with UFL will support quite soon,
> >> and which our shared interface UFC allows :)
> >>
> >>
> >> >>>>  // Test for cell-based element type
> >> >>>> -  const uint tdim = mesh.topology().dim();
> >> >>>> -  bool only_cell_dofs = dofmap.needs_mesh_entities(tdim);
> >> >>>> -  for (uint i = 0; i < tdim; i++)
> >> >>>> -  {
> >> >>>> -    if (dofmap.needs_mesh_entities(i))
> >> >>>> -      only_cell_dofs = false;
> >> >>>> -  }
> >> >>>> -  if (only_cell_dofs)
> >> >>>> +  if( dofmap.local_dimension() == std::pow(mesh.topology().dim(), rank)
> >> >>>> )
> >> >>>>    data_type = "cell";
> >> >>>>
> >> >>>>
> >> >>>> This is the check I suggested to Anders earlier:
> >> >>>>
> >> >>>> const uint tdim = mesh.topology().dim();
> >> >>>> if(dofmap.num_entity_dofs(tdim) == dofmap.local_dimension())
> >> >>>>
> >> >>> What does num_entity_dofs(tdim) return?
> >> >>>
> >> >>> Garth
> >> >>
> >> >> The number of dofs associated with a cell (mesh entity of dimension tdim).
> >> >> dofmap.num_entity_dofs(0) would return the number of dofs associated
> >> >> with the vertices.
> >> >
> >> > OK. That would make the test easy.
> >> >
> >> >>
> >> >>>> Or hasn't FFC implemented UFC 1.1 yet?
> >> >
> >> > FFC hasn't implemented num_entity_dofs(tdim)
> >> >
> >> > Garth
> >>
> >> It's more than ten months since UFC 1.1 was
> >> released, it would be nice if FFC implemented it.
> >>
> >> Martin
> >
> > It should be fairly simple to fix, but a lot of work is piled up for
> > FFC that I plan to look at after the release of DOLFIN 0.9.0.
> >
> > Will the current fix work for a while?
> >
> >
> > -----BEGIN PGP SIGNATURE-----
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> > =zhR9
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> >
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