基于@Sven Marnach的答案：
#!/usr/bin/env python
import ctypes
import numpy as np
from numpy.ctypeslib import ndpointer
libf = ctypes.cdll.LoadLibrary('/path/to/lib.so')
libf.f.restype = ctypes.c_double
libf.f.argtypes = [ctypes.c_int, ndpointer(ctypes.c_double)]
def f(a):
return libf.f(a.size, np.ascontiguousarray(a, np.float64))
if __name__=="__main__":
# slice to create non-contiguous array
a = np.arange(1, 7, dtype=np.float64)[::2]
assert not a.flags['C_CONTIGUOUS']
print(a)
print(np.multiply.reduce(a))
print(f(a))
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