[SciPy-user] scipy.test() failure

Warren Weckesser warren.weckesser@gmail....
Wed Apr 16 20:24:42 CDT 2008


Hello once again,

A reminder of the facts: Mac OSX 10.4 PPC, gcc 4.0.1 (Apple), gfortran
4.2.1,
numpy-1.0.4 installed.  I am installing scipy-0.6.0.

I built scipy-0.6.0, and I just ran scipy.test().  I get many warnings and
two failures.  A transcript of running scipy.test(1,10) is attached.

Here are the failures:

<quote>
======================================================================
FAIL: check loadmat case sparse
----------------------------------------------------------------------
Traceback (most recent call last):
  File
"/Users/wweckesser/test_install/lib/python2.5/site-packages/scipy/io/tests/test_mio.py",
line 85, in cc
    self._check_case(name, files, expected)
  File
"/Users/wweckesser/test_install/lib/python2.5/site-packages/scipy/io/tests/test_mio.py",
line 80, in _check_case
    self._check_level(k_label, expected, matdict[k])
  File
"/Users/wweckesser/test_install/lib/python2.5/site-packages/scipy/io/tests/test_mio.py",
line 63, in _check_level
    decimal = 5)
  File
"/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/numpy/testing/utils.py",
line 232, in assert_array_almost_
equal
    header='Arrays are not almost equal')
  File
"/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/numpy/testing/utils.py",
line 217, in assert_array_compare
    assert cond, msg
AssertionError:
Arrays are not almost equal
test sparse; file
/Users/wweckesser/test_install/lib/python2.5/site-packages/scipy/io/tests/./data/testsparse_6.5.1_GLNX86.mat,
variable testspa
rse
(mismatch 46.6666666667%)
 x: array([[  3.03865194e-319,   3.16202013e-322,   1.04346664e-320,
          2.05531309e-320,   2.56123631e-320],
       [  3.16202013e-322,   0.00000000e+000,   0.00000000e+000,...
 y: array([[ 1.,  2.,  3.,  4.,  5.],
       [ 2.,  0.,  0.,  0.,  0.],
       [ 3.,  0.,  0.,  0.,  0.]])

======================================================================
FAIL: check_dot (scipy.lib.tests.test_blas.test_fblas1_simple)
----------------------------------------------------------------------
Traceback (most recent call last):
  File
"/Users/wweckesser/test_install/lib/python2.5/site-packages/scipy/lib/blas/tests/test_blas.py",
line 76, in check_dot
    assert_almost_equal(f([3j,-4,3-4j],[2,3,1]),-9+2j)
  File
"/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/numpy/testing/utils.py",
line 158, in assert_almost_equal
    assert round(abs(desired - actual),decimal) == 0, msg
AssertionError:
Items are not equal:
 ACTUAL: (-1.9987702369689941+4.6526445226967791e-37j)
 DESIRED: (-9+2j)

----------------------------------------------------------------------
</quote>

I found this: http://projects.scipy.org/scipy/scipy/ticket/238
The second failure that I get looks like the same one in that ticket.

Any help is appreciated.

Warren
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