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%load_ext cythonmagic


    

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%%cython
def testcython(int n):
    return 3.1415**n


    

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print testcython(10)


    

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%%cython
from libc.string cimport strlen

def get_len(char *msg):
    return strlen(msg)


    

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get_len("asdfasfd\0asdfasfd")


    

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%%cython
import numpy as np
def testmemview(double[:,::1] mv):
    ''' Tests roundtrip: python object -> cython typed memoryview -> python object '''
    print np.sum(mv)


    

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from numpy import ones
testmemview(ones((10, 10)))


    

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