ufl team mailing list archive

[Kristian Ølgaard <k.b.oelgaard@xxxxxxxxx>]

On 2 November 2010 00:44, Johan Hake <johan.hake@xxxxxxxxx> wrote:
> Hello!
>
> I am automating the building of a ufl form. Something like:
>
>  # create list_of_forms
>  my_form = Zero()*dx
>  for form in list_of_forms:
>      my_form += form
>
> For the for loop to work I need to initate my_form to Zero()*dx, because it
> need to be a form.
>
> Any other ideas of how this can be done? If this is the only way can
> someone(TM) expose 'Zero' to the main ufl namespace?

my_form = reduce(lambda x,y:x+y, list_of_forms)

should do the trick.

On the other hand, I don't see a problem in exposing Zero in the ufl
namespace, it might be convenient in other cases too?

Kristian

> It resides in:
>
>  constantvalue.py
>
> Johan
>
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