Updates:
Labels: -NeedsReview -smichr
Comment #8 on issue 3068 by [email protected]: incorrect sign calculated
http://code.google.com/p/sympy/issues/detail?id=3068
I'm not sure where to put that evaluation. Putting it at the end of
Function.__new__ did not work for me. And sign doesn't have an eval routine
of its own. Perhaps it should get one. What is interesting is that the
calculation of n - i does not yield any precision while sign(n-i).evalf()
*does* yield precision.
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