Unit test error with numpy rc3

Tim Hochberg tim.hochberg at ieee.org
Thu Oct 19 10:08:50 CDT 2006


Travis Oliphant wrote:
> Tim Hochberg wrote:
>   
>> Rudolph van der Merwe wrote:
>>   
>>     
>>> I get the following error with RC3 on a RHE Linux box:
>>>
>>> Python 2.4.3 (#4, Mar 31 2006, 12:12:43)
>>> [GCC 3.4.5 20051201 (Red Hat 3.4.5-2)] on linux2
>>> Type "help", "copyright", "credits" or "license" for more information.
>>>   
>>>     
>>>       
>>>>>> import numpy
>>>>>> numpy.__version__
>>>>>>         
>>>>>>           
>>>>>>             
>>> '1.0rc3'
>>>   
>>>     
>>>       
>> On a visual studio build, I'm getting a real failure though:
>>
>>     FAIL: Ticket #112
>>     ----------------------------------------------------------------------
>>     Traceback (most recent call last):
>>       File
>>     "C:\Python24\lib\site-packages\numpy\core\tests\test_regression.py",
>>     line 219, in check_longfloat_repr
>>         assert(str(a)[1:9] == str(a[0])[:8])
>>     AssertionError
>>
>> The code in question is dependent on the spelling of INF(or at least the 
>> *length* of the spelling) on a given platform which is why it's failing. 
>>   
>>     
>
> Actually, you shouldn't be getting an INF at all.    This is what the 
> test is designed to test for (so I guess it's working).  The test was 
> actually written wrong and was never failing because previously keyword 
> arguments to ufuncs were ignored. 
>
> Can you show us what 'a' is on your platform.
>   
I expect that the problem is related to this:

     >>> N.array([1000],dtype=N.float).dtype
    dtype('float64')
     >>> N.array([1000],dtype=N.longfloat).dtype
    dtype('float64')

longfloat appears to just be an alias for float under VS.

-tim


> -Travis
>
>
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>   



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