[SciPy-User] NumPy 1.6.1: "Test basic arithmetic function errors" fails on Ubuntu Jaunty

Ralf Gommers ralf.gommers@googlemail....
Tue Sep 13 11:46:30 CDT 2011


On Tue, Sep 13, 2011 at 3:39 PM, Yury V. Zaytsev <yury@shurup.com> wrote:

> Hi!
>
> I realize that Ubuntu Jaunty is no longer supported, but this is what we
> have on our cluster and I have to accommodate. I was up to building the
> lastest NumPy / SciPy bundle on ActiveState Python and it builds &
> installs fine, but NumPy reports one test error.
>
> The system is:
>
> $ uname -a
> Linux ui 2.6.28-19-server #66-Ubuntu SMP Sat Oct 16 18:11:06 UTC 2010
> x86_64 GNU/Linux
>
> I am using system compiler (gcc version 4.3.3 Ubuntu 4.3.3-5ubuntu4),
> system BLAS and latest ActiveState Python:
>
> Python version 2.7.2 (default, Jun 24 2011, 11:24:26) [GCC 4.0.2
> 20051125 (Red Hat 4.0.2-8)]
>
> The configuration is as follows:
>
> $ python -c 'import numpy.distutils.__config__ as npc; npc.show()'
> atlas_threads_info:
>  NOT AVAILABLE
> blas_opt_info:
>    libraries = ['f77blas', 'cblas', 'atlas']
>    library_dirs = ['/usr/lib']
>    define_macros = [('ATLAS_INFO', '"\\"3.6.0\\""')]
>    language = c
>    include_dirs = ['/usr/include']
> atlas_blas_threads_info:
>  NOT AVAILABLE
> lapack_opt_info:
>    libraries = ['lapack', 'f77blas', 'cblas', 'atlas']
>    library_dirs = ['/usr/lib']
>    define_macros = [('ATLAS_INFO', '"\\"3.6.0\\""')]
>    language = f77
>    include_dirs = ['/usr/include']
> atlas_info:
>    libraries = ['lapack', 'f77blas', 'cblas', 'atlas']
>    library_dirs = ['/usr/lib']
>    define_macros = [('ATLAS_INFO', '"\\"3.6.0\\""')]
>    language = f77
>    include_dirs = ['/usr/include']
> lapack_mkl_info:
>  NOT AVAILABLE
> blas_mkl_info:
>  NOT AVAILABLE
> atlas_blas_info:
>    libraries = ['f77blas', 'cblas', 'atlas']
>    library_dirs = ['/usr/lib']
>    define_macros = [('ATLAS_INFO', '"\\"3.6.0\\""')]
>    language = c
>    include_dirs = ['/usr/include']
> mkl_info:
>  NOT AVAILABLE
>
> The failing test:
>
> ======================================================================
> FAIL: Test basic arithmetic function errors
> ----------------------------------------------------------------------
> Traceback (most recent call last):
>  File
> "/users/zaytsev/opt/ActivePython-2.7/lib/python2.7/site-packages/numpy/testing/decorators.py",
> line 215, in knownfailer
>    return f(*args, **kwargs)
>  File
> "/users/zaytsev/opt/ActivePython-2.7/lib/python2.7/site-packages/numpy/core/tests/test_numeric.py",
> line 321, in test_floating_exceptions
>    lambda a,b:a/b, ft_tiny, ft_max)
>  File
> "/users/zaytsev/opt/ActivePython-2.7/lib/python2.7/site-packages/numpy/core/tests/test_numeric.py",
> line 271, in assert_raises_fpe
>    "Type %s did not raise fpe error '%s'." % (ftype, fpeerr))
>  File
> "/users/zaytsev/opt/ActivePython-2.7/lib/python2.7/site-packages/numpy/testing/utils.py",
> line 34, in assert_
>    raise AssertionError(msg)
> AssertionError: Type <type 'numpy.float32'> did not raise fpe error
> 'underflow'.
>
> ----------------------------------------------------------------------
> Ran 3533 tests in 34.806s
>
> FAILED (KNOWNFAIL=3, SKIP=4, failures=1)
>
> Is it just me, or someone else can currently reproduce it?
>
>
I've seen this before. Can you add the above to
http://projects.scipy.org/numpy/ticket/1755?

Ralf


> I was only able to find a couple of posts citing a similar error message
> by Xiong Deng and one by George Nurser. Neither of these posts has a
> definite answer...
>
> I am happy to provide any additional diagnostic info,
>
>
>
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