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import os
import sys
import sysconfig
def configuration(parent_package='', top_path=None):
from numpy.distutils.misc_util import Configuration
from numpy.distutils.system_info import get_info, system_info
config = Configuration('linalg', parent_package, top_path)
config.add_subpackage('tests')
# Configure lapack_lite
src_dir = 'lapack_lite'
lapack_lite_src = [
os.path.join(src_dir, 'python_xerbla.c'),
os.path.join(src_dir, 'f2c_z_lapack.c'),
os.path.join(src_dir, 'f2c_c_lapack.c'),
os.path.join(src_dir, 'f2c_d_lapack.c'),
os.path.join(src_dir, 'f2c_s_lapack.c'),
os.path.join(src_dir, 'f2c_lapack.c'),
os.path.join(src_dir, 'f2c_blas.c'),
os.path.join(src_dir, 'f2c_config.c'),
os.path.join(src_dir, 'f2c.c'),
]
all_sources = config.paths(lapack_lite_src)
if os.environ.get('NPY_USE_BLAS_ILP64', "0") != "0":
lapack_info = get_info('lapack_ilp64_opt', 2)
else:
lapack_info = get_info('lapack_opt', 0) # and {}
use_lapack_lite = not lapack_info
if use_lapack_lite:
# This makes numpy.distutils write the fact that lapack_lite
# is being used to numpy.__config__
class numpy_linalg_lapack_lite(system_info):
def calc_info(self):
info = {'language': 'c'}
size_t_size = sysconfig.get_config_var("SIZEOF_SIZE_T")
if size_t_size:
maxsize = 2**(size_t_size - 1) - 1
else:
# We prefer using sysconfig as it allows cross-compilation
# but the information may be missing (e.g. on windows).
maxsize = sys.maxsize
if maxsize > 2**32:
# Build lapack-lite in 64-bit integer mode.
# The suffix is arbitrary (lapack_lite symbols follow it),
# but use the "64_" convention here.
info['define_macros'] = [
('HAVE_BLAS_ILP64', None),
('BLAS_SYMBOL_SUFFIX', '64_')
]
self.set_info(**info)
lapack_info = numpy_linalg_lapack_lite().get_info(2)
def get_lapack_lite_sources(ext, build_dir):
if use_lapack_lite:
print("### Warning: Using unoptimized lapack ###")
return all_sources
else:
if sys.platform == 'win32':
print("### Warning: python_xerbla.c is disabled ###")
return []
return [all_sources[0]]
config.add_extension(
'lapack_lite',
sources=['lapack_litemodule.c', get_lapack_lite_sources],
depends=['lapack_lite/f2c.h'],
extra_info=lapack_info,
)
# umath_linalg module
config.add_extension(
'_umath_linalg',
sources=['umath_linalg.cpp', get_lapack_lite_sources],
depends=['lapack_lite/f2c.h'],
extra_info=lapack_info,
libraries=['npymath'],
)
config.add_data_files('*.pyi')
return config
if __name__ == '__main__':
from numpy.distutils.core import setup
setup(configuration=configuration)
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