Comment #2 on issue 1244 by nicolas.pourcelot: (x + exp(x)).is_positive
returns True
http://code.google.com/p/sympy/issues/detail?id=1244
Infact, exp(x) + anything atomic is returned as True.
It seems to be linked to this :
sympy.exp(x).is_unbounded
True
which is all right. But in Add, I
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
Comment #3 on issue 1263 by robert.kern: Invalid movement of roots across
fractions
http://code.google.com/p/sympy/issues/detail?id=1263
I think I've isolated the problem elsewhere. Removing that other problem
makes this
patch work.
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Comment #1 on issue 1264 by robert.kern: Discrepancies between running the
full test suite and individual tests
http://code.google.com/p/sympy/issues/detail?id=1264
Further tests show that the patch is not the problem; rather it is the file
test_wester.py that I am also working on.
Comment #4 on issue 1263 by ondrej.certik: Invalid movement of roots across
fractions
http://code.google.com/p/sympy/issues/detail?id=1263
Let us know where the problem was, I am really interested in this. Also if
we should
regularly test on Mac as well, in addition to what we test now.
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Comment #6 on issue 694 by robert.kern: Add tests from Review of CAS
mathematical capabilities, by Michael Wester
http://code.google.com/p/sympy/issues/detail?id=694
I'm developing it more here:
http://github.com/rkern/sympy-rkern/blob/HEAD/sympy/core/tests/test_wester.py
test_H4
Comment #5 on issue 1263 by robert.kern: Invalid movement of roots across
fractions
http://code.google.com/p/sympy/issues/detail?id=1263
See issue #1264 for the problem.
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Comment #2 on issue 1264 by ondrej.certik: Discrepancies between running
the full test suite and individual tests
http://code.google.com/p/sympy/issues/detail?id=1264
Does anyone see the problem with this file?
I think you are hitting some caching bug. Those are hard to debug, but I'll
