dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Tue, Oct 06, 2009 at 10:21:48AM -0500, Andy Ray Terrel wrote:
> On Tue, Oct 6, 2009 at 10:14 AM, Anders Logg <logg@xxxxxxxxx> wrote:
> > On Tue, Oct 06, 2009 at 10:07:59AM -0500, Andy Ray Terrel wrote:
> >> In previous versions of DOLFIN, a user was able to define a function
> >> (overloading eval) and then use it in several forms, even when the
> >> forms had different function spaces.  It seems that currently a
> >> FunctionSpace gets attached to the user function and then I get a
> >> runtime error when it is used in another form.  Is there a way to tell
> >> the function to delete the current function space?
> >>
> >> Any help is appreciated.
> >
> > Which version are you using? 0.9.3 or hg tip?
>
> I'm using 0.9.3.  I'm way to slow to keep up with the tip =D.
>
> >
> > We've been redesigning the function classes since 0.9.3 to make these
> > things work better. In particular, a user must now subclass a new
> > class named Expression which never has a FunctionSpace attached to it
> > so you should be able to use it in many forms, as long as the shape
> > (rank and dimension) of the expression matches.
>
> Okay, I'd like to release my library against 0.9.3 so users can have a
> stable release but I will watch out for these changes.

Hopefully we can have 0.9.4 out pretty soon, perhaps tonight or
tomorrow.

--
Anders

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