dolfin team mailing list archive

[Johan Hake <johan.hake@xxxxxxxxx>]

On Monday 30 November 2009 12:11:34 Anders Logg wrote:
> On Sun, Nov 29, 2009 at 09:51:25PM +0000, Garth N. Wells wrote:
> > Anders Logg wrote:
> > > On Sat, Nov 28, 2009 at 11:26:07PM +0100, Anders Logg wrote:
> > >> On Sat, Nov 28, 2009 at 11:23:58PM +0100, Anders Logg wrote:
> > >>> On Sat, Nov 28, 2009 at 10:21:18PM +0000, Garth N. Wells wrote:
> > >>>> Anders Logg wrote:
> > >>>>> On Sat, Nov 28, 2009 at 09:32:03PM +0000, Garth N. Wells wrote:
> > >>>>>> It would be good to make a release of DOLFIN/FFL/UFL next week
> > >>>>>> with the new syntax for Constants and Expressions. Are there any
> > >>>>>> pressing issues which need to be addressed before making a new
> > >>>>>> release?
> > >>>>>>
> > >>>>>> Garth
> > >>>>>
> > >>>>> I agree. Let's make a release as soon as possible.
> > >>>>>
> > >>>>> The only things I see missing are
> > >>>>>
> > >>>>> 1. std::vector argument in eval. I see you've started on this.
> > >>>>>
> > >>>>> 2. Getting the buildbot running in on form or another.
> > >>>>
> > >>>> If we don't get this running in time, I'm happy if we run the tests
> > >>>> by hand on a few OSes.
> > >>>
> > >>> Me too.
> > >>>
> > >>>>> Andre Massing has prepared a major bundle on the CGAL stuff but
> > >>>>> that can wait until after 0.9.5, but it would be good to do it
> > >>>>> immediately after so we get that done.
> > >>>>
> > >>>> Perhaps he could publish it first as a personal branch on Launchpad?
> > >>>
> > >>> Yes, it would be a good opportunity to test that feature.
> > >>>
> > >>> What do you think Andre? Could you give it a try?
> > >>
> > >> Another thing to figure out is the logic/algorithm for selecting
> > >> coefficient element degrees.
> > >>
> > >> We have another thread going on this.
> > >
> > > Another thing that we might want to fix in the new release is the
> > > ability to do
> > >
> > >   return (foo, bar)
> > >
> > > instead of
> > >
> > >   values[0] = foo
> > >   values[1] = bar
> > >
> > > in the Expression class in Python.
> > >
> > > Johan hinted that it would be possible to implement this.
> > >
> > > On the other hand, one can argue that the simplified Expression
> > > interface (using C++ string expressions) is already simple enough for
> > > simple cases and that one should need to assign to values when
> > > subclassing Expression to make it consistent with the C++ interface.
> > >
> > > Opinions?
> >
> > I like to keep the consistency with C++, plus Expressions which demand a
> > subclass in place of JIT are usually reasonably complicated, so it may
> > in practice be more like
> >
> >   return (............................................,
> > ......................................)
> 
> Agreed. Let's keep the eval interface as is.
> 
> What remains before a release? I can see these two:
> 
> 1. Getting the la unit tests (get_row) working. Are you working on
> this Johan?

Yes.

At least the amount of time I feel correct using on it. It is a bit more nasty 
than I first anticipated. But I have good hope!


Johan

> 2. The strategy for selecting degree in FFC. Please comment on this
> (in another thread I just opened).
> 
> 3. ?
> 
> --
> Anders
>