Re: Issue 1849 in sympy: expansion problem

2010-03-04 Thread sympy
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

Issue 1849 in sympy: expansion problem

2010-03-04 Thread sympy
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

Re: Issue 1829 in sympy: release 0.6.7

2010-03-04 Thread sympy
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

Re: Issue 1829 in sympy: release 0.6.7

2010-03-04 Thread sympy
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? -- You received this message because you are listed in the owner or CC fields of this issue, or because you starred this is

Re: Issue 1829 in sympy: release 0.6.7

2010-03-04 Thread sympy
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. -- You received this me

Re: Issue 1829 in sympy: release 0.6.7

2010-03-04 Thread sympy
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 ? -- You received this message because you are listed in the owner or CC fields of thi

Re: Issue 1829 in sympy: release 0.6.7

2010-03-04 Thread sympy
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

Re: Issue 1829 in sympy: release 0.6.7

2010-03-04 Thread sympy
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. -- You received this message because you are listed in the owner or CC fields of this issue, o

Re: Issue 1829 in sympy: release 0.6.7

2010-03-04 Thread sympy
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

Re: Issue 1829 in sympy: release 0.6.7

2010-03-04 Thread sympy
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

Re: Issue 1847 in sympy: Powsimp returns wrong result

2010-03-04 Thread sympy
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