#10195: Occasional doctest failure in libs/fplll/fplll.pyx
-----------------------+----------------------------------------------------
Reporter: mpatel | Owner: mvngu
Type: defect | Status: new
Priority: major | Milestone: sage-4.6.1
Component: doctest | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
-----------------------+----------------------------------------------------
Description changed by drkirkby:
Old description:
> Reported on [http://groups.google.com/group/sage-
> devel/browse_thread/thread/145fb7e073d4e12b sage-devel]:
> {{{
> I ran
>
> ./sage -t -long -force_lib "devel/sage/sage/libs/fplll/fplll.pyx"
>
> 1000 times in serial [1] with a 64-bit 4.6.rc0 built on OS X 10.6
> (bsd.math). All but one of the runs pass. The failure:
>
> Run 766 of 1000
> Detected SAGE64 flag
> Building Sage on OS X in 64-bit mode
> sage -t -long -force_lib "devel/sage/sage/libs/fplll/fplll.pyx"
> **********************************************************************
> File
> "/Users/buildbot/build/sage/bsd-2/bsd_64_full/build/sage-4.6.0pre0/devel/sa
> ge/sage/libs/fplll/fplll.pyx", line 853:
> sage: L.echelon_form() == A.echelon_form()
> Expected:
> True
> Got:
> False
> }}}
>
> The error also occurs with a 32-bit build on bsd.math (OS X 10.6, 5 out
> of 1000 runs) and on sage.math (64-bit Ubuntu 8.04.4 LTS, 6 of 1000
> runs).
>
> David Kirkby does '''not''' get any incorrect results on !OpenSolaris
> 06/2009 after more than 15000 runs with 4.6.rc0 and more than 16000 with
> 4.6.1.alpha0. He had a total of 31748 passes. However, he did experience
> 109 doctest failures which are likely to be result of doctesting two
> copies of Sage simultaneously, as these were using the same directory for
> temporary files ({{{$HOME/.sage/tmp}}}). His errors were like this:
>
> {{{
> Run 442 of 100000
> sage -t -long -force_lib "devel/sage/sage/libs/fplll/fplll.pyx"
> python: can't open file '/export/home/drkirkby/.sage//tmp/fplll.py':
> [Errno 2] No such file or directory
>
> [0.2 s]
> }}}
>
> and never due to False being return instead of True. His problems are
> probably the result of the issues discussed on #9739.
New description:
Reported on [http://groups.google.com/group/sage-
devel/browse_thread/thread/145fb7e073d4e12b sage-devel]:
{{{
I ran
./sage -t -long -force_lib "devel/sage/sage/libs/fplll/fplll.pyx"
1000 times in serial [1] with a 64-bit 4.6.rc0 built on OS X 10.6
(bsd.math). All but one of the runs pass. The failure:
Run 766 of 1000
Detected SAGE64 flag
Building Sage on OS X in 64-bit mode
sage -t -long -force_lib "devel/sage/sage/libs/fplll/fplll.pyx"
**********************************************************************
File
"/Users/buildbot/build/sage/bsd-2/bsd_64_full/build/sage-4.6.0pre0/devel/sa
ge/sage/libs/fplll/fplll.pyx", line 853:
sage: L.echelon_form() == A.echelon_form()
Expected:
True
Got:
False
}}}
The error also occurs with a 32-bit build on bsd.math (OS X 10.6, 5 out of
1000 runs) and on sage.math (64-bit Ubuntu 8.04.4 LTS, 6 of 1000 runs).
David Kirkby does '''not''' get any incorrect results on !OpenSolaris
06/2009 after more than 15000 runs with 4.6.rc0 and more than 16000 with
4.6.1.alpha0. He had a total of 31748 passes. However, he did experience
109 doctest failures which are likely to be result of doctesting two
copies of Sage simultaneously, as these were using the same directory for
temporary files ({{{$HOME/.sage/tmp}}}). His errors were like this:
{{{
Run 442 of 100000
sage -t -long -force_lib "devel/sage/sage/libs/fplll/fplll.pyx"
python: can't open file '/export/home/drkirkby/.sage//tmp/fplll.py':
[Errno 2] No such file or directory
[0.2 s]
}}}
and never due to False being return instead of True. His problems are
probably the result of the issues discussed on #9739. Once David only
tested one copy of Sage at a time, there were 0 failures in 17230 tests of
sage-4.6.rc0. (Note, since Sage currently only works well on Solaris or
!OpenSolaris if built as a 32-bit application, this was a 32-bit build).
--
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10195#comment:13>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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