[Numpy-discussion] numpy unittest failure on Mac PPC and Solaris 10

Christopher Hanley chanley at stsci.edu
Fri Apr 4 14:11:55 EDT 2008


Hi,

We are seeing the following error on both Solaris and Mac PPC when 
running the numpy unittests:

.............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................F.......................................................................................................................................................................................................................................................................
======================================================================
FAIL: test_record (numpy.lib.tests.test_io.Testloadtxt)
----------------------------------------------------------------------
Traceback (most recent call last):
   File "/usr/stsci/pyssgdev/2.5.1/numpy/lib/tests/test_io.py", line 42, 
in test_record
     assert_array_equal(x, a)
   File "/usr/stsci/pyssgdev/2.5.1/numpy/testing/utils.py", line 225, in 
assert_array_equal
     verbose=verbose, header='Arrays are not equal')
   File "/usr/stsci/pyssgdev/2.5.1/numpy/testing/utils.py", line 217, in 
assert_array_compare
     assert cond, msg
AssertionError:
Arrays are not equal

(mismatch 100.0%)
  x: array([(1, 2), (3, 4)],
       dtype=[('x', '>i4'), ('y', '>i4')])
  y: array([(1, 2), (3, 4)],
       dtype=[('x', '<i4'), ('y', '<i4')])

----------------------------------------------------------------------
Ran 837 tests in 4.281s

FAILED (failures=1)


Given the platforms this error occurs on I am guessing this is a big vs. 
little-endian problem.

Chris

-- 
Christopher Hanley
Systems Software Engineer
Space Telescope Science Institute
3700 San Martin Drive
Baltimore MD, 21218
(410) 338-4338



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