Updates:
Status: Fixed
Labels: -NeedsReview PassedReview
Comment #10 on issue 1900 by matt...@gmail.com: factor((1+2*x+x**2)**100)
works too hard
http://code.google.com/p/sympy/issues/detail?id=1900
factor() has now symbolic capabilities, e.g.:
In [1]: %time factor((x**2 - 1)**1000000000)
CPU times: user 0.00 s, sys: 0.00 s, total: 0.00 s
Wall time: 0.00 s
Out[2]:
1000000000 1000000000
(1 + x) ⋅(1 - x)
In [3]: %time factor((x**2 + 1)**1000000000, gaussian=True)
CPU times: user 0.01 s, sys: 0.00 s, total: 0.01 s
Wall time: 0.02 s
Out[4]:
1000000000 1000000000
(x + ⅈ) ⋅(x - ⅈ)
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