I'm happy with a decorator. For me this work is part of a bigger picture
that includes step by step manipulation and guided simplification as we did
in full trig simplification.  For this work we do need some sort of
transformation on many small sympy functions.
On Feb 16, 2014 12:15 PM, "Sergey B Kirpichev" <notifications@github.com>
wrote:

> In sympy/simplify/simplify.py:
>
> > @@ -3512,6 +3517,8 @@ def signsimp(expr, evaluate=True):
> >      exp(-(x - y))
> >
> >      """
> > +    if global_evaluate is None:
>
> btw, I see a lot of boilerplate here. Probably, we can introduce some
> decorator to handle this?
>
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> .
>