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#!/usr/bin/env python
#
# Created by: Pearu Peterson, September 2002
#
__usage__ = """
Build lapack:
python setup_lapack.py build
Run tests if scipy is installed:
python -c 'import scipy;scipy.lib.lapack.test(<level>)'
Run tests if lapack is not installed:
python tests/test_lapack.py [<level>]
"""
import sys
from numpy.testing import *
from numpy import *
set_package_path()
from lapack import flapack,clapack
restore_path()
set_local_path()
from gesv_tests import _test_gev
from esv_tests import _test_ev
restore_path()
#class _test_ev: pass
class _test_lapack(NumpyTestCase,
_test_ev,
_test_gev):
def check_gebal(self):
a = [[1,2,3],[4,5,6],[7,8,9]]
a1 = [[1,0,0,3e-4],
[4,0,0,2e-3],
[7,1,0,0],
[0,1,0,0]]
f = self.lapack.gebal
ba,lo,hi,pivscale,info = f(a)
assert not info,`info`
assert_array_almost_equal(ba,a)
assert_equal((lo,hi),(0,len(a[0])-1))
assert_array_almost_equal(pivscale,ones(len(a)))
ba,lo,hi,pivscale,info = f(a1,permute=1,scale=1)
assert not info,`info`
def check_gehrd(self):
a = [[-149, -50,-154],
[ 537, 180, 546],
[ -27, -9, -25]]
f = self.lapack.gehrd
ht,tau,info = f(a)
assert not info,`info`
def isrunnable(self,mthname):
l = mthname.split('_')
if len(l)>1 and l[0]=='check':
return hasattr(self.lapack,l[1])
return 2
class PrefixWrapper:
def __init__(self,module,prefix):
self.module = module
self.prefix = prefix
self.__doc__ = module.__doc__
def __getattr__(self, name):
class A: pass
a = getattr(self.module,self.prefix+name,getattr(self.module,name,A()))
if isinstance(a,A):
raise AttributeError,'%s has no attribute %r' % (self.module,name)
return a
if hasattr(flapack,'empty_module'):
print """
****************************************************************
WARNING: flapack module is empty
-----------
See scipy/INSTALL.txt for troubleshooting.
****************************************************************
"""
else:
class test_flapack_double(_test_lapack):
lapack = PrefixWrapper(flapack,'d')
decimal = 12
class test_flapack_float(_test_lapack):
lapack = PrefixWrapper(flapack,'s')
decimal = 5
class test_flapack_complex(_test_lapack):
lapack = PrefixWrapper(flapack,'c')
decimal = 5
class test_flapack_double_complex(_test_lapack):
lapack = PrefixWrapper(flapack,'z')
decimal = 12
if hasattr(clapack,'empty_module') or clapack is flapack:
print """
****************************************************************
WARNING: clapack module is empty
-----------
See scipy/INSTALL.txt for troubleshooting.
Notes:
* If atlas library is not found by numpy/distutils/system_info.py,
then scipy uses flapack instead of clapack.
****************************************************************
"""
else:
class test_clapack_double(_test_lapack):
lapack = PrefixWrapper(clapack,'d')
decimal = 12
class test_clapack_float(_test_lapack):
lapack = PrefixWrapper(clapack,'s')
decimal = 5
class test_clapack_complex(_test_lapack):
lapack = PrefixWrapper(clapack,'c')
decimal = 5
class test_clapack_double_complex(_test_lapack):
lapack = PrefixWrapper(clapack,'z')
decimal = 12
if __name__ == "__main__":
NumpyTest().run()
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