我正在使用Cython,我想要导入gnu科学C库。
#gsl_test.pyx
cdef extern from "gsl/gsl_math.h":
double gsl_pow_int (double x, int n)
def gibbs(double k, int t):
y = gsl_pow_int (k, t)
return y
#setup.py
from distutils.core import setup
from distutils.extension import Extension
from Cython.Distutils import build_ext
import numpy
include_gsl_dir = "/home/sulabh/include/"
lib_gsl_dir = "/home/sulabh/lib/"
ext = Extension("sl", sources = ["gsl_test.pyx"],include_dirs=[numpy.get_include(),include_gsl_dir],library_dirs=[lib_gsl_dir],libraries=["gsl"])
setup(ext_modules=[ext],cmdclass = {'build_ext': build_ext})
python setup.py build_ext --inplace
which resulted into sl.o
我已经输入python控制台,通过编写import sl
导入这个模块,但是我得到了一个错误
import sl
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: /home/sulabh/lib/libgsl.so.0: undefined symbol: cblas_dasum
下面是我的包配置的样子
prefix=/home/sulabh/gsl-1.16/..
exec_prefix=/home/sulabh/gsl-1.16/..
libdir=/home/sulabh/gsl-1.16/../lib
includedir=/home/sulabh/gsl-1.16/../include
GSL_CBLAS_LIB=-lgslcblas
名称: GSL描述: GNU科学图书馆版本: 1.16 lib:-L/home/sulabh/GSL-1.16/./lib -lgsl ${GSL_CBLAS_LIB} -lm -lm C标志:-I/home/sulabh/GSL-1.16/./include
有人能帮忙吗?
发布于 2014-11-02 21:08:01
在函数调用Extension
中的库列表中添加"gslcblas“,即
ext = Extension(...,libraries=["gsl", "gslcblas"])
或者你想添加的其他BLAS库。
https://stackoverflow.com/questions/26705303
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