Le vendredi 11 décembre 2009 à 14:24 -0800, Ondrej Certik a écrit :
> On Fri, Dec 11, 2009 at 2:17 PM, Ronan Lamy <ronan.l...@gmail.com> wrote:
> > Le vendredi 11 décembre 2009 à 12:48 -0800, Ondrej Certik a écrit :
> >> On Fri, Dec 11, 2009 at 12:41 PM, Aaron S. Meurer <asmeu...@gmail.com>
> >> wrote:
> >> > Also, we should mention in the change log the things that are
> >> > depreciated, namely, the old assumptions. All new code should use new
> >> > assumptions, and old code should replace old assumptions with new,
> >> > correct?
> >>
> >> That's exactly correct.
> >
> > What exactly do you mean by this? I don't think we have any code that
> > uses the new assumptions and I wouldn't know how to write that since the
> > new assumption system isn't integrated with the old one. For instance:
> >
> > In [11]: x = Symbol('x', positive=True)
> >
> > In [12]: print(ask(x, Q.positive))
> > None
>
> Yes, here you are using the old assumptions. I think we should
> encourage to use the new ones in new modules. You are right, that we
> need some code that actually uses it. I hope Fabian work on this a bit
> after exams. :) But if not, it has to happen, that we slowly rewrite
> things using the new assumptions.
OK, but I am against considering the old assumptions deprecated, until
we can be sure that their replacement works as well or better.
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