Changes by alef alessandro.for...@eumetsat.int:
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nosy: +alef
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Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9920
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Mark Dickinson added the comment:
The fix applied for issue #15477 should also fix this issue.
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status: open - closed
versions: +Python 3.3
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http://bugs.python.org/issue9920
Sébastien Sablé sa...@users.sourceforge.net added the comment:
Here is the result after applying that patch:
==
FAIL: test_specific_values (__main__.CMathTests)
Mark Dickinson dicki...@gmail.com added the comment:
Here's a patch.
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keywords: +patch
Added file: http://bugs.python.org/file20745/issue9920.patch
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http://bugs.python.org/issue9920
Sébastien Sablé sa...@users.sourceforge.net added the comment:
Mark,
sorry for the late reply; I stopped focusing on AIX for some time.
I ran test_cmath on trunk this morning and got a different error this time:
==
FAIL:
Mark Dickinson dicki...@gmail.com added the comment:
Ha, yes. I commented out the first four tests for zeros of atan in the
cmath_testcases.txt file, but failed to notice that they're tested again, later
on. And the same goes for atanh.
I need to look at this, but I don't have write-access
Changes by Mark Dickinson dicki...@gmail.com:
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status: pending - closed
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Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9920
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Mark Dickinson dicki...@gmail.com added the comment:
This should now be fixed in r86553. If you have a chance to test and report
back, that would be great!
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resolution: - fixed
stage: - committed/rejected
status: open - pending
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Python
Sébastien Sablé sa...@users.sourceforge.net added the comment:
Thanks for the quick reply Mark.
I tried with pydebug and got the same error.
Here is the trace for your last question:
Python 3.2a2+ (py3k:84969M, Sep 23 2010, 10:55:24) [C] on aix6
Type help, copyright, credits or license for
Mark Dickinson dicki...@gmail.com added the comment:
Thanks; so it's probably not an optimization bug, but rather a math library
bug somewhere.
And thanks for the tanh result; unfortunately I asked the wrong question---I
meant to ask about atanh(complex(-0.0, 0.0)) :(
Analysis: atan(z) is
Sébastien Sablé sa...@users.sourceforge.net added the comment:
No problem; I tried with a different compiler this time (gcc instead of xlc)
and with -O0 just to be sure it is not a compiler issue. I had the same error.
I tried your test and you are right, the problem happens with log1p
New submission from Sébastien Sablé sa...@users.sourceforge.net:
test_cmath will fail with the following error on AIX:
==
FAIL: test_specific_values (test.test_cmath.CMathTests)
Mark Dickinson dicki...@gmail.com added the comment:
Thanks for the report. This looks like it's probably a bug (not a particularly
serious one, but worth reporting) on AIX.
The 'tanh' configure test diagnoses a similar wrong-sign-of-zero problem on
FreeBSD; it looks as though AIX is happy
Mark Dickinson dicki...@gmail.com added the comment:
P.S. Was the test with a debug build of Python? If not, could you see if the
test failure still occurs with a debug build (i.e., when --with-pydebug is
passed as a configure argument)? That would help eliminate compiler
optimization bugs
Mark Dickinson dicki...@gmail.com added the comment:
Sorry---one more question: could you tell me what the following gives on the
AIX machine?
Python 2.7 (r27:82500, Aug 15 2010, 14:21:15)
[GCC 4.2.1 (Apple Inc. build 5664)] on darwin
Type help, copyright, credits or license for more
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