On Wed, Jun 18, 2008 at 3:26 PM, Fredrik Johansson
<[EMAIL PROTECTED]> wrote:
> I've implemented an evaluate=False option for Add, Mul, Pow and
> functions (see attachment). This could be useful to suppress default
> behavior like Sub(x,y) -> Add(x,Mul(-1,y)) for code generation etc. As
> it happens, I need something like this for evalf testing as well.

Thanks, it's in:

http://hg.sympy.org/sympy/rev/c51330c0f3da

Ondrej

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