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Hands-on: creating a simple Cython extension

In this exercise you will create a compiled Cython extension from a Python module.
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Simple Cython extension
The code for this exercise is located under cython/simple-extension
~/hpc-python$ cd cython/simple-extension
Create a simple Cython module (you can name it e.g. cyt_module.pyx)
containing the following function:
def subtract(x, y):
result = x - y
return result
Create then a setup.py file for building the extension module.
Try to utilize the module e.g. as
from cyt_module import subtract

subtract(4.5, 2)
in interactive interpreter or in a simple script. Try different argument types.
© CSC - IT Center for Science Ltd.
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Python in High Performance Computing

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