ufl team mailing list archive

[kent-and@xxxxxxxxx]

> On Fri, Oct 26, 2007 at 12:03:06PM +0200, Martin Sandve Alnæs wrote:
>
>> I talked with Pearu a little bit yesterday about SymPy and our
>> requirements for UFL. We might consider building UFL on top of SymPy.
>> That would give us a lot of symbolic functionality for free, and it
>> seems to be rather easy to extend with our own specialized objects.
>> (In that case, we should use the newer sympycore version, not the
>> current tip). If something is missing, we have Pearu at hand to extend
>> SymPy.
>>
>> http://code.google.com/p/sympy/
>> http://code.google.com/p/sympycore/
>>
>> But lets start with defining what we want UFL to be.
>
> My feeling is that our needs for a symbolic engine is quite
> small. Even if UFL will be able to handle more than FFC, the FFC form
> language is just about 700 lines of Python (including comments, see
> algebra.py).
>
> But let's leave it open. It would be good if we could avoid
> dependencies, but if we find ourselves reimplementing a lot of things
> from SymPy then why not use it.
>
> /Anders

ok, lets start defining it and then consider SymPy later.

Kent