[SciPy-dev] testresults current trunk

josef.pktd@gmai... josef.pktd@gmai...
Tue Nov 17 15:15:02 CST 2009


On Tue, Nov 17, 2009 at 4:01 PM, Anne Archibald
<peridot.faceted@gmail.com> wrote:
> 2009/11/17  <josef.pktd@gmail.com>:
>> 2 errors 1 failure: anything new or just a consequence of my numpy
>> test failures ?
>
>> ERROR: test_decomp.test_lapack_misaligned(<function solve at 0x01C55AF0>, (array
>> ([[  1.734e-255,   8.189e-217,   4.025e-178,   1.903e-139,   9.344e-101,
>> ----------------------------------------------------------------------
>> Traceback (most recent call last):
>>  File "c:\programs\python25\lib\site-packages\nose-0.11.1-py2.5.egg\nose\case.p
>> y", line 183, in runTest
>>    self.test(*self.arg)
>>  File "C:\Josef\_progs\Subversion\scipy-trunk_after\trunk\dist\scipy-0.8.0.dev6
>> 118.win32\Programs\Python25\Lib\site-packages\scipy\linalg\tests\test_decomp.py"
>> , line 1106, in check_lapack_misaligned
>>    func(*a,**kwargs)
>>  File "\Programs\Python25\Lib\site-packages\scipy\linalg\basic.py", line 127, i
>> n solve
>>  File "\programs\python25\Lib\site-packages\numpy\lib\function_base.py", line 5
>> 86, in asarray_chkfinite
>>    raise ValueError, "array must not contain infs or NaNs"
>> ValueError: array must not contain infs or NaNs
>
> That's weird - what architecture are you running the tests on? On my
> machine I don't get any NaNs or  infs, but the array is made by
> reinterpreting a byte array.
>
> I'm not quite sure what the best way around this is, since the bug is
> not always triggered if I supply sensible values.

Windows XP notebook, Intel
I have several nan errors with the numpy test suite. So this might not
be a scipy problem if it doesn't happen on other machines. I never had
any problems with linalg and lapack, so it might be something that the
test uses.

Josef


>
> Anne
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