在cython中使用cimport进行numpy

Question

我在numpy中使用Cython主要是通过查看网络上的示例/ SO：

cimport cython
import numpy as np
cimport numpy as np
from numpy cimport ndarray as ar
....
... = np.empty(...)
...
cdef ar[double, ndim=1, mode='c'] y = ....
...
... = np.argmax(...)

假设现在我将更改cimport numpy as np更改为cimport numpy as cnp。那么我怎么知道上面代码中哪些函数（即np.empty，np.argmax等）依赖于np哪些函数依赖于cnp？