Updates:
        Labels: NeedsReview

Comment #1 on issue 1263 by robert.kern: Invalid movement of roots across  
fractions
http://code.google.com/p/sympy/issues/detail?id=1263

The problem is in Pow.as_numer_denom(). It does not take the negative  
denominator
special case into account when it operates on sqrt(1/z). Attached is a  
patch with a
test that fixes this issue. However, it may be causing other test errors  
that I am
trying to track down.

Attachments:
        0001-BUG-Fix-issue-1263.-May-cause-other-test-failures.patch  2.2 KB

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