[Numpy-discussion] Anyone have a well-tested SWIG-based C++ STL valarray <=> numpy.array typemap to share?

David Goldsmith David.L.Goldsmith@noaa....
Wed Sep 5 11:16:24 CDT 2007


No I hadn't - thanks!  (Probably should have Google-d first, huh.  :-[ )

DG

Travis Vaught wrote:
> Have you seen this?
>
> http://www.scipy.org/Cookbook/SWIG_and_NumPy
>
> Also, the numpy/doc/swig directory has the simple typemaps.
>
> Travis
>
> On Sep 5, 2007, at 7:08 AM, Xavier Gnata wrote:
>
>   
>> I'm using the numpy C API (PyArray_SimpleNewFromData) to perform the
>> conversion but my code is written by hands. I would like to  
>> simplify it
>> using SWIG but I also would like to see a good typemap valarray <=>
>> numpy.array :)
>>
>> Joris : Historical ones? Maybe also the fact that distutils has  
>> some small pb with C++ module. To sum up : You have to compile you  
>> module with the same compiler options you used to compile Python.  
>> Python is coded in C so some options does not make sense in C++.
>> As a result, you get warnings at compile time (see pylab compiled  
>> with gcc for instance).
>>
>>
>> Xavier
>>
>>
>>
>>     
>>> A related question, just out of curiosity: is there a technical
>>> reason why Numpy has been coded in C rather than C++?
>>>
>>> Joris
>>>
>>>
>>>
>>> On 05 Sep 2007, at 02:24, David Goldsmith wrote:
>>>
>>>
>>>       
>>>> Anyone have a well-tested SWIG-based C++ STL valarray <=>  
>>>> numpy.array
>>>> typemap to share?  Thanks!
>>>>
>>>> DG
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>> -- 
>> ############################################
>> Xavier Gnata
>> CRAL - Observatoire de Lyon
>> 9, avenue Charles André
>> 69561 Saint Genis Laval cedex
>> Phone: +33 4 78 86 85 28
>> Fax: +33 4 78 86 83 86
>> E-mail: gnata@obs.univ-lyon1.fr
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