[SciPy-dev] test_blas failures

[Jarrod Millman]

I am getting test_blas failures on 64bit Linux, but not 32bit Linux.
Is anyone else seeing this?  I would like to get these fixed before
releasing the 0.7.0b1.

>>> scipy.test()
Running unit tests for scipy
NumPy version 1.2.0.dev5629
NumPy is installed in /usr/lib64/python2.5/site-packages/numpy
SciPy version 0.7.0.dev4637
SciPy is installed in /usr/lib64/python2.5/site-packages/scipy
Python version 2.5.1 (r251:54863, Jul 10 2008, 17:25:56) [GCC 4.1.2
20070925 (Red Hat 4.1.2-33)]
nose version 0.10.3

<snip>

======================================================================
FAIL: test_asum (test_blas.TestFBLAS1Simple)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib64/python2.5/site-packages/scipy/lib/blas/tests/test_blas.py",
line 60, in test_asum
    assert_almost_equal(f([3,-4,5]),12)
  File "/usr/lib64/python2.5/site-packages/numpy/testing/utils.py",
line 207, in assert_almost_equal
    assert round(abs(desired - actual),decimal) == 0, msg
AssertionError:
Items are not equal:
 ACTUAL: 0.0
 DESIRED: 12

======================================================================
FAIL: test_dot (test_blas.TestFBLAS1Simple)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib64/python2.5/site-packages/scipy/lib/blas/tests/test_blas.py",
line 69, in test_dot
    assert_almost_equal(f([3,-4,5],[2,5,1]),-9)
  File "/usr/lib64/python2.5/site-packages/numpy/testing/utils.py",
line 207, in assert_almost_equal
    assert round(abs(desired - actual),decimal) == 0, msg
AssertionError:
Items are not equal:
 ACTUAL: 0.0
 DESIRED: -9

======================================================================
FAIL: test_nrm2 (test_blas.TestFBLAS1Simple)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib64/python2.5/site-packages/scipy/lib/blas/tests/test_blas.py",
line 80, in test_nrm2
    assert_almost_equal(f([3,-4,5]),math.sqrt(50))
  File "/usr/lib64/python2.5/site-packages/numpy/testing/utils.py",
line 207, in assert_almost_equal
    assert round(abs(desired - actual),decimal) == 0, msg
AssertionError:
Items are not equal:
 ACTUAL: 0.0
 DESIRED: 7.0710678118654755

======================================================================
FAIL: test_lapack.test_all_lapack
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/nose-0.10.3-py2.5.egg/nose/case.py",
line 182, in runTest
    self.test(*self.arg)
  File "/usr/lib64/python2.5/site-packages/scipy/lib/lapack/tests/esv_tests.py",
line 41, in check_syevr
    assert_array_almost_equal(w,exact_w)
  File "/usr/lib64/python2.5/site-packages/numpy/testing/utils.py",
line 304, in assert_array_almost_equal
    header='Arrays are not almost equal')
  File "/usr/lib64/python2.5/site-packages/numpy/testing/utils.py",
line 289, in assert_array_compare
    assert cond, msg
AssertionError:
Arrays are not almost equal

(mismatch 33.3333333333%)
 x: array([-0.66992444,  0.48769462,  9.18222713], dtype=float32)
 y: array([-0.66992434,  0.48769389,  9.18223045])

======================================================================
FAIL: test_lapack.test_all_lapack
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/nose-0.10.3-py2.5.egg/nose/case.py",
line 182, in runTest
    self.test(*self.arg)
  File "/usr/lib64/python2.5/site-packages/scipy/lib/lapack/tests/esv_tests.py",
line 66, in check_syevr_irange
    assert_array_almost_equal(w,exact_w[rslice])
  File "/usr/lib64/python2.5/site-packages/numpy/testing/utils.py",
line 304, in assert_array_almost_equal
    header='Arrays are not almost equal')
  File "/usr/lib64/python2.5/site-packages/numpy/testing/utils.py",
line 289, in assert_array_compare
    assert cond, msg
AssertionError:
Arrays are not almost equal

(mismatch 33.3333333333%)
 x: array([-0.66992444,  0.48769462,  9.18222713], dtype=float32)
 y: array([-0.66992434,  0.48769389,  9.18223045])

======================================================================
FAIL: test_asum (test_blas.TestFBLAS1Simple)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib64/python2.5/site-packages/scipy/linalg/tests/test_blas.py",
line 61, in test_asum
    assert_almost_equal(f([3,-4,5]),12)
  File "/usr/lib64/python2.5/site-packages/numpy/testing/utils.py",
line 207, in assert_almost_equal
    assert round(abs(desired - actual),decimal) == 0, msg
AssertionError:
Items are not equal:
 ACTUAL: 0.0
 DESIRED: 12

======================================================================
FAIL: test_complex_dotc (test_blas.TestFBLAS1Simple)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib64/python2.5/site-packages/scipy/linalg/tests/test_blas.py",
line 81, in test_complex_dotc
    assert_almost_equal(f([3j,-4,3-4j],[2,3j,1]),3-14j)
  File "/usr/lib64/python2.5/site-packages/numpy/testing/utils.py",
line 207, in assert_almost_equal
    assert round(abs(desired - actual),decimal) == 0, msg
AssertionError:
Items are not equal:
 ACTUAL: (-1.7314232451453736e-32+8.8281803252463475e-44j)
 DESIRED: (3-14j)

======================================================================
FAIL: test_complex_dotu (test_blas.TestFBLAS1Simple)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib64/python2.5/site-packages/scipy/linalg/tests/test_blas.py",
line 75, in test_complex_dotu
    assert_almost_equal(f([3j,-4,3-4j],[2,3,1]),-9+2j)
  File "/usr/lib64/python2.5/site-packages/numpy/testing/utils.py",
line 207, in assert_almost_equal
    assert round(abs(desired - actual),decimal) == 0, msg
AssertionError:
Items are not equal:
 ACTUAL: (-1.7314232451453736e-32+8.8281803252463475e-44j)
 DESIRED: (-9+2j)

======================================================================
FAIL: test_dot (test_blas.TestFBLAS1Simple)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib64/python2.5/site-packages/scipy/linalg/tests/test_blas.py",
line 70, in test_dot
    assert_almost_equal(f([3,-4,5],[2,5,1]),-9)
  File "/usr/lib64/python2.5/site-packages/numpy/testing/utils.py",
line 207, in assert_almost_equal
    assert round(abs(desired - actual),decimal) == 0, msg
AssertionError:
Items are not equal:
 ACTUAL: 0.0
 DESIRED: -9

======================================================================
FAIL: test_nrm2 (test_blas.TestFBLAS1Simple)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib64/python2.5/site-packages/scipy/linalg/tests/test_blas.py",
line 87, in test_nrm2
    assert_almost_equal(f([3,-4,5]),math.sqrt(50))
  File "/usr/lib64/python2.5/site-packages/numpy/testing/utils.py",
line 207, in assert_almost_equal
    assert round(abs(desired - actual),decimal) == 0, msg
AssertionError:
Items are not equal:
 ACTUAL: 0.0
 DESIRED: 7.0710678118654755

----------------------------------------------------------------------