Updates:
Labels: WrongResult EasyToFix
Comment #1 on issue 3045 by ronan.l...@gmail.com: float-based operations
lose precision
http://code.google.com/p/sympy/issues/detail?id=3045
Oops, that's bad! Doing the right thing in Rational.__int__ seems trivial
(i.e. just return self.p//self.q), but it needs to be tested.
More generally, we should make sure that Rational doesn't use
floating-point logic for anything except explicitly FP-related operations.
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