ufl team mailing list archive

[Johan Hake <johan.hake@xxxxxxxxx>]

On Tuesday November 2 2010 03:12:09 Kristian Ølgaard wrote:
> 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.

Thanks for the tip. The loop is a little bit more convoluted than showned here 
so I will probable stick to using Zero().

> 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?

Thanks!

Johan

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