[Scipy-tickets] [SciPy] #1504: FAIL: test_lu (test_decomp.TestLUSolve)

SciPy Trac scipy-tickets@scipy....
Tue Aug 30 14:42:17 CDT 2011


#1504: FAIL: test_lu (test_decomp.TestLUSolve)
--------------------------+-------------------------------------------------
 Reporter:  nils          |       Owner:  somebody   
     Type:  defect        |      Status:  new        
 Priority:  normal        |   Milestone:  Unscheduled
Component:  scipy.linalg  |     Version:  devel      
 Keywords:                |  
--------------------------+-------------------------------------------------
 I can reproduce the failure.

 {{{
 Python 2.6.5 (r265:79063, May  6 2011, 17:25:59)
 [GCC 4.5.0 20100604 [gcc-4_5-branch revision 160292]] on linux2
 Type "help", "copyright", "credits" or "license" for more information.
 }}}


 {{{
 uname -a
 Linux linux-mogv 2.6.34.10-0.2-desktop #1 SMP PREEMPT 2011-07-20 18:48:56
 +0200 x86_64 x86_64 x86_64 GNU/Linux
 }}}


 {{{
 >>> show_config()
 atlas_threads_info:
     libraries = ['lapack', 'ptf77blas', 'ptcblas', 'atlas']
     library_dirs = ['/home/nwagner/src/ATLAS3.8.2/mybuild/lib']
     define_macros = [('ATLAS_INFO', '"\\"3.8.2\\""')]
     language = f77
     include_dirs = ['/home/nwagner/src/ATLAS3.8.2/include']
 blas_opt_info:
     libraries = ['ptf77blas', 'ptcblas', 'atlas']
     library_dirs = ['/home/nwagner/src/ATLAS3.8.2/mybuild/lib']
     define_macros = [('ATLAS_INFO', '"\\"3.8.2\\""')]
     language = c
     include_dirs = ['/home/nwagner/src/ATLAS3.8.2/include']
 atlas_blas_threads_info:
     libraries = ['ptf77blas', 'ptcblas', 'atlas']
     library_dirs = ['/home/nwagner/src/ATLAS3.8.2/mybuild/lib']
     define_macros = [('ATLAS_INFO', '"\\"3.8.2\\""')]
     language = c
     include_dirs = ['/home/nwagner/src/ATLAS3.8.2/include']
 lapack_opt_info:
     libraries = ['lapack', 'ptf77blas', 'ptcblas', 'atlas']
     library_dirs = ['/home/nwagner/src/ATLAS3.8.2/mybuild/lib']
     define_macros = [('ATLAS_INFO', '"\\"3.8.2\\""')]
     language = f77
     include_dirs = ['/home/nwagner/src/ATLAS3.8.2/include']
 lapack_mkl_info:
   NOT AVAILABLE
 blas_mkl_info:
   NOT AVAILABLE
 mkl_info:
   NOT AVAILABLE
 }}}

 {{{
 ======================================================================
 FAIL: test_lu (test_decomp.TestLUSolve)
 ----------------------------------------------------------------------
 Traceback (most recent call last):
   File "/home/nwagner/local/lib64/python2.6/site-
 packages/scipy/linalg/tests/test_decomp.py", line 728, in test_lu
     assert_array_equal(x1,x2)
   File "/home/nwagner/local/lib64/python2.6/site-
 packages/numpy/testing/utils.py", line 753, in assert_array_equal
     verbose=verbose, header='Arrays are not equal')
   File "/home/nwagner/local/lib64/python2.6/site-
 packages/numpy/testing/utils.py", line 677, in assert_array_compare
     raise AssertionError(msg)
 AssertionError:
 Arrays are not equal

 (mismatch 90.0%)
  x: array([-0.363,  0.759,  0.198,  0.655,  0.405,  0.796, -1.053, -0.256,
 -0.35 ,  0.071])
  y: array([-0.363,  0.759,  0.198,  0.655,  0.405,  0.796, -1.053, -0.256,
 -0.35 ,  0.071])
 }}}

-- 
Ticket URL: <http://projects.scipy.org/scipy/ticket/1504>
SciPy <http://www.scipy.org>
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