Sunday, June 10, 2012

header file location for numpy arrays (cython)

Today was the first time I tried working with numpy arrays in Cython. I got a compilation error saying that the header file for numpy could not be found. Here I found an easy fix for this problem. The script can be changed to automatically detect and add the numpy include path:

from distutils.core import setup
from distutils.extension import Extension
from Cython.Distutils import build_ext
import numpy

ext_modules = [Extension("xx_cython",["xx_cython.pyx"],\

    name= 'xx model class',
    cmdclass = {'build_ext': build_ext},
    ext_modules = ext_modules

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