dolfin team mailing list archive

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

Johan Hake wrote:
> On Tuesday 08 September 2009 12:58:41 Anders Logg wrote:
> > On Tue, Sep 08, 2009 at 12:54:01PM +0200, Garth N. Wells wrote:
> > > DOLFIN wrote:
> > > > One or more new changesets pushed to the primary dolfin repository.
> > > > A short summary of the last three changesets is included below.
> > > >
> > > > changeset:   6975:37efb9fe9fe684b23521574a89048705a9a0bc6e
> > > > tag:         tip
> > > > parent:      6974:6c4c77900222f82b7b32888b29a08fef9ddc5789
> > > > parent:      6973:abda55b5dfa2b2d0fbe2614b15483911ef661fdc
> > > > user:        Anders Logg <logg@xxxxxxxxx>
> > > > date:        Tue Sep 08 12:51:01 2009 +0200
> > > > files:
> > > > description:
> > > > merge
> > > >
> > > >
> > > > changeset:   6974:6c4c77900222f82b7b32888b29a08fef9ddc5789
> > > > parent:      6970:5d7fc35d3e597db508a005826efacb8dea6a00d9
> > > > user:        Anders Logg <logg@xxxxxxxxx>
> > > > date:        Tue Sep 08 12:01:43 2009 +0200
> > > > files:       dolfin/fem/DofMap.cpp dolfin/fem/DofMap.h
> > > > description:
> > > > Make tabulate_facet_dofs accessible without having a ufc::cell, which
> > > > makes it easy to access using iterators in Python.
> > > Can we remove the version that takes a ufc::cell?
> > Yes. Perhaps we should remove all the direct wrappers for UFC stuff
> > and add a member function to return the underlying UFC object?
> >
> >   const ufc::dof_map& ufc_dof_map() const;
>
> Should this be a member function of dolfin::DofMap? If so, it might be 
> sufficient with
>
>   const ufc::dof_map& ufc() const;

Definitely not! The whole point of DofMap is to not expose ufc::dof_map 
in DOLFIN. It took a lot of work some time ago to fix this. Using 
ufc:dof_map screws up any dof renumbering.

Garth

> If we are consistent this should not cause any confusion.
>
> I have thought of doing the same in the python interface where there exist a 
> number of different versions of these basic types. It would be nice to be able 
> to extract the ufl or ufc form from a dolfin.Form, using ufl() or ufc().
>
> Johan
>
> > --
> > Anders
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