Updates:
Labels: NeedsReview
Comment #1 on issue 1849 by smichr: expansion problem
http://code.google.com/p/sympy/issues/detail?id=1849
Well, it's easy to get into the mind of the author when you are the author.
The signs
were being considered but not as well as they might have been. A
Status: Accepted
Owner: smichr
Labels: Type-Defect Priority-Medium
New issue 1849 by smichr: expansion problem
http://code.google.com/p/sympy/issues/detail?id=1849
When the square root of t = -sqrt(2)*(1-sqrt(2)) is taken, the answer is
varying depending on whether t is expanded first or not:
t
Comment #26 on issue 1829 by asmeurer: release 0.6.7
http://code.google.com/p/sympy/issues/detail?id=1829
I get a problem, which I bisected and it originates with the commit that
updated Pyglet to 1.1.3 (50fbdc9e),
where the plotting test will open and immediately close a Python GUI
session
Comment #25 on issue 1829 by Vinzent.Steinberg: release 0.6.7
http://code.google.com/p/sympy/issues/detail?id=1829
I pushed this also to my branch. Is there anything else?
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Updates:
Labels: -NeedsBetterPatch NeedsReview
Comment #24 on issue 1829 by asmeurer: release 0.6.7
http://code.google.com/p/sympy/issues/detail?id=1829
That seems to fix it. I had to apply the patch manually. See
http://github.com/asmeurer/sympy/tree/0.6.7.
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Comment #23 on issue 1829 by fredrik.johansson: release 0.6.7
http://code.google.com/p/sympy/issues/detail?id=1829
Does it work with these changes applied:
http://code.google.com/p/mpmath/source/detail?r=1099 ?
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Comment #22 on issue 1829 by fredrik.johansson: release 0.6.7
http://code.google.com/p/sympy/issues/detail?id=1829
The error is definitely due to math.log(-2.0) returning nan instead of
raising
ValueError. This is probably an issue with math.sqrt too. The wrapper code
in
mpmath.math2 needs
Comment #21 on issue 1829 by asmeurer: release 0.6.7
http://code.google.com/p/sympy/issues/detail?id=1829
Python2.4 is exactly the same as Python2.5, both in the test failures and
in your examples.
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Comment #20 on issue 1829 by asmeurer: release 0.6.7
http://code.google.com/p/sympy/issues/detail?id=1829
The results are difference for the two Pythons:
dhcp-baca-43:sympy-0.6.7-rc2 2 aaronmeurer$python2.5
Python 2.5.4 (r254:67916, Nov 1 2009, 11:52:29)
[GCC 4.2.1 (Apple Inc. build 5646) (dot
Comment #19 on issue 1829 by fredrik.johansson: release 0.6.7
http://code.google.com/p/sympy/issues/detail?id=1829
I can't reproduce these errors with Python 2.5
It seems to be an issue with logarithms of negative numbers.
Could you check what each of the following returns or raises?
math.log
Updates:
Status: Started
Comment #16 on issue 1847 by jensen.oyvind: Powsimp returns wrong result
http://code.google.com/p/sympy/issues/detail?id=1847
I switch the status to 'started', as the issue will be solved once the 1766
branch is
in master. Thanks for reviewing my patches anywa
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