[SciPy-dev] libblas.so.3: cannot open shared object file: No such file or directory
Nils Wagner
nwagner at mecha.uni-stuttgart.de
Mon Nov 7 06:49:25 EST 2005
Pearu Peterson wrote:
>On Mon, 7 Nov 2005, Nils Wagner wrote:
>
>
>>I still try to build newscipy without ATLAS...
>>
>>svn/newscipy> /usr/local/bin/python setup.py build
>>Traceback (most recent call last):
>> File "setup.py", line 42, in ?
>> setup_package()
>> File "setup.py", line 7, in setup_package
>> from scipy.distutils.core import setup
>> File "/usr/local/lib/python2.4/site-packages/scipy/__init__.py", line
>>32, in ?
>> from scipy.basic.fft import fft, ifft
>> File "/usr/local/lib/python2.4/site-packages/scipy/basic/fft.py", line
>>22, in ?
>> from fft_lite import *
>> File "/usr/local/lib/python2.4/site-packages/scipy/basic/fft_lite.py",
>>line 23, in ?
>> import scipy.lib.fftpack_lite as fftpack
>> File "/usr/local/lib/python2.4/site-packages/scipy/lib/__init__.py",
>>line 9, in ?
>> import blas
>> File
>>"/usr/local/lib/python2.4/site-packages/scipy/lib/blas/__init__.py",
>>line 9, in ?
>> import fblas
>>ImportError: libblas.so.3: cannot open shared object file: No such file
>>or directory
>>
>>How can I build libblas.so from libblas.a ?
>>
>
>You don't need libblas.so. You obviously have failed to follow
>instructions from
>
> http://www.scipy.org/documentation/buildatlas4scipy.txt
>
>about building blas and lapack libraries and setting proper environment
>variables so that scipy build scripts can find them.
>
>Remove everything that you have build or installed and try again.
>
>Pearu
>
>_______________________________________________
>Scipy-dev mailing list
>Scipy-dev at scipy.net
>http://www.scipy.net/mailman/listinfo/scipy-dev
>
Hi Pearu,
I have removed everything and installed it again.
Now
python -c 'import scipy;scipy.linalg.test()'
results in
======================================================================
ERROR: check_nils (scipy.linalg.matfuncs.test_matfuncs.test_logm)
----------------------------------------------------------------------
Traceback (most recent call last):
File
"/usr/local/lib/python2.4/site-packages/scipy/linalg/tests/test_matfuncs.py",
line 82, in check_nils
logm((identity(7)*3.1+0j)-a)
File
"/usr/local/lib/python2.4/site-packages/scipy/linalg/matfuncs.py", line
232, in logm
errest = norm(expm(F)-A,1) / norm(A,1)
File "/usr/local/lib/python2.4/site-packages/scipy/linalg/basic.py",
line 255, in norm
x = asarray_chkfinite(x)
File
"/usr/local/lib/python2.4/site-packages/scipy/base/function_base.py",
line 211, in asarray_chkfinite
raise ValueError, "array must not contain infs or NaNs"
ValueError: array must not contain infs or NaNs
======================================================================
FAIL: check_nils (scipy.linalg.matfuncs.test_matfuncs.test_signm)
----------------------------------------------------------------------
Traceback (most recent call last):
File
"/usr/local/lib/python2.4/site-packages/scipy/linalg/tests/test_matfuncs.py",
line 44, in check_nils
assert_array_almost_equal(r,cr)
File "/usr/local/lib/python2.4/site-packages/scipy/test/testing.py",
line 735, in assert_array_almost_equal
assert cond,\
AssertionError:
Arrays are not almost equal (mismatch 100.0%):
Array 1: [[ 1.2104571e+01 -2.3056788e-02j -1.0034348e+00
-1.8445430e-01j
1.5239715e+01 +1.1528394e-02j 2.1808571e+01 -2.3...
Array 2: [[ 11.9493333 -2.2453333 15.3173333 21.6533333
-2.2453333]
[ -3.8426667 0.4986667 -4.5906667 -7.1866667 0.498...
----------------------------------------------------------------------
Ran 230 tests in 0.665s
FAILED (failures=1, errors=1)
It looks like a nightmare. :'(
Is valgrind an option to detect the reason for the failure/error ?
Nils
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