[Numpy-discussion] incorporating C/C++ code
rob at hooft.net
Thu Jun 29 11:25:59 CDT 2006
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Joris De Ridder wrote:
> For heavy number crunching I would like to include C and/or C++ functions
> in my NumPy programs. They should have/give NumPy arrays as input/output.
> On http://www.scipy.org/Topical_Software I find several suggestions to wrap
> C/C++ code: SWIG, weave, Pyrex, Instant, ... but it's quite difficult for me
> to have an idea which one I can/should use.
> So, a few questions:
> Any suggestion for which package I should use? Does this heavily depend
> for which purpose I want to use it?
Wrapping C/C++ code is only necessary if the C/C++ code is pre-existing.
I have thusfar only incorporated C code into Numeric python programs by
writing the code natively as a python extension.
Any kind of wrapping will carry a penalty. If you write a python
extension in C you have all the flexibility you need.
Rob W.W. Hooft || rob at hooft.net || http://www.hooft.net/people/rob/
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