Jaidev Deshpande, 14.11.2011 21:30:
I need to perform cubic spline interpolation over a range of points, and I
have written the code for the same in C and in Python.
The interpolation is part of a bigger project. I want to front end for the
project to be Python. Ideally I want Python only to deal with data
visualization and i/o, and I'll leave the computationally expensive part of
the project to C extensions, which can be imported as functions into Python.
To this end, the interpolation can be handled in two ways:
1. I can either compile the C code into a module using the Python-C/C++
API, through which I can simple 'import' the required function.
2. I can use the Python code and extend it using Cython.
3. use the existing C code and wrap it with Cython, likely using NumPy to
pass the data, I guess.
Why write yet another version of your code?
I would strongly suggest not to put C-API calls into your C code. It will
just make it less versatile (e.g. no longer usable outside of CPython) and
generally harder to maintain.
Stefan
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