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In [9]:

    
%load_ext Cython



In [28]:

    
%%cython

import numpy as np
cimport numpy as np
import cython
def mycython(object[float, ndim=1] f):
    for i in f:
        print i



In [31]:

    
x=np.array([1,2],dtype=np.float32)
mycython(x)



In [24]:

    
type(x[0])









    Out[24]:





numpy.float64



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