ufl team mailing list archive

[David Beacham <d.beacham07@xxxxxxxxxxxxxx>]

For a quick fix could you not try:

from ufl import exp

or:

import ufl and use ufl.exp(T) instead of exp(T)?


Garth N. Wells wrote:
> Anders Logg wrote:
>   
> > On Sat, Jan 23, 2010 at 10:35:03AM +0000, Garth N. Wells wrote:
> >     
> > > I've run into an issue when using 'exp' on a Coefficient/Function. In a
> > > .ufl file, I can use
> > >
> > >   M = exp(T)
> > >
> > > where T is a Coefficient without problems. Using PyDOLFIN, I get the error:
> > >
> > >   AttributeError: exp
> > >
> > > Could this be that the Python version of exp is being called, rather
> > > than the UFL version? How can I check in Python which 'exp' function is
> > > being called?
> > >
> > > Garth
> > >       
> > print should work. With UFL, I expect you would get something like
> >
> > # print exp
> > <function exp at 0x2673aa0>
> >
> >     
>
> This is what I get when running ffc on a .ufl file and it works.
>
>   
> > Otherwise something like
> >
> > # print exp
> > <ufunc 'exp'>
> >     
>
> This is what I get from PyDOLFIN and it breaks. Is this likely to be
> what causes my problem? Any ideas on how to fix it?
>
> Garth
>
>
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