[Numpy-discussion] Numpy test failure - How to fix

Ralf Gommers ralf.gommers@googlemail....
Sun Jul 8 04:36:51 CDT 2012


On Fri, Jul 6, 2012 at 1:30 PM, McCully, Dwayne (NIH/NLM/LHC) [C] <
dmccully@mail.nih.gov> wrote:

> Hope this is the right list to post this problem!  I’m getting two errors
> when running a numpy (see below). ****
>
> Could someone tell me how to fix this or if the errors are not a concern.
> ****
>
> ** **
>
> Dwayne****
>
> ** **
>
> python -c 'import numpy; numpy.test(verbose=2)'****
>
> ** **
>
> Python 2.7.3****
>
> Numpy 1.6.2****
>
> Nose 1.1.2****
>
> PowerPC****
>
> Red Hat Linux 64 bit**
>

These tests are known to fail on PowerPC, see
http://projects.scipy.org/numpy/ticket/1664
https://github.com/numpy/numpy/commit/1b99089

The question is why the above commit is not effective on your system. Could
you check that? For example, is this not true:

    import platform
    "powerpc" in platform.processor()

Ralf



> **
>
> *======================================================================*
>
> FAIL: test_umath.test_nextafterl****
>
> ----------------------------------------------------------------------****
>
> Traceback (most recent call last):****
>
>   File "/usr/local/lib/python2.7/site-packages/nose/case.py", line 197, in
> runTest****
>
>     self.test(*self.arg)****
>
>   File
> "/usr/local/lib/python2.7/site-packages/numpy/testing/decorators.py", line
> 215, in knownfailer****
>
>     return f(*args, **kwargs)****
>
>   File
> "/usr/local/lib/python2.7/site-packages/numpy/core/tests/test_umath.py",
> line 1119, in test_nextafterl****
>
>     return _test_nextafter(np.longdouble)****
>
>   File
> "/usr/local/lib/python2.7/site-packages/numpy/core/tests/test_umath.py",
> line 1103, in _test_nextafter****
>
>     assert np.nextafter(one, two) - one == eps****
>
> AssertionError****
>
> ** **
>
> ======================================================================****
>
> FAIL: test_umath.test_spacingl****
>
> ----------------------------------------------------------------------****
>
> Traceback (most recent call last):****
>
>   File "/usr/local/lib/python2.7/site-packages/nose/case.py", line 197, in
> runTest****
>
>     self.test(*self.arg)****
>
>   File
> "/usr/local/lib/python2.7/site-packages/numpy/testing/decorators.py", line
> 215, in knownfailer****
>
>     return f(*args, **kwargs)****
>
>  File
> "/usr/local/lib/python2.7/site-packages/numpy/core/tests/test_umath.py",
> line 1146, in test_spacingl****
>
>     return _test_spacing(np.longdouble)****
>
>   File
> "/usr/local/lib/python2.7/site-packages/numpy/core/tests/test_umath.py",
> line 1128, in _test_spacing****
>
>    assert np.spacing(one) == eps****
>
> AssertionError****
>
> ** **
>
> ----------------------------------------------------------------------****
>
> Ran 3576 tests in 22.974s****
>
> ** **
>
> FAILED (KNOWNFAIL=6, failures=2)****
>
> ** **
>
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>
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