Comment #7 on issue 2848 by asmeu...@gmail.com: Failing test in
sympy/solvers/test/test_solvers.py
http://code.google.com/p/sympy/issues/detail?id=2848
I can reproduce that, but if I try checking (log(2) + I*pi).is_positive in
the middle of it, it stops breaking:
In [1]: simplify(I*pi)
Out[1]: ⅈ⋅π
In [2]: simplify(simplify(log(log(-2)) - log(log(2))))
Out[2]:
⎛ ⅈ⋅π ⎞
log⎜1 + ──────⎟
⎝ log(2)⎠
and
In [1]: (log(2) + I*pi).is_positive
Out[1]: False
In [2]: simplify(I*pi)
Out[2]: ⅈ⋅π
In [3]: (log(2) + I*pi).is_positive
Out[3]: False
In [4]: simplify(simplify(log(log(-2)) - log(log(2))))
Out[4]: -log(log(2)) + log(log(2) + ⅈ⋅π)
note the prompt numbering; each one is a fresh isympy session (with the
cache on).
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