Also see https://code.google.com/p/upfirdn/source/browse/upfirdn/Resampler.i
On Sun, Dec 14, 2014 at 12:52 PM, Tom Krauss <thomas.p.kra...@gmail.com> wrote: > > I know this is a month old at this point, but I wanted to state that I use > std::complex<double> with swig all the time and it works great. I have very > similar code in each of my project's ".i" files, so I am happy to see you > are adding support to numpy.i. > E.g. > > %numpy_typemaps(std::complex<double>, NPY_CDOUBLE, int) > > > > On Fri, Nov 14, 2014 at 1:06 PM, Glen Mabey <gma...@swri.org> wrote: >> >> >> Hello, >> >> Ok, here's my attempt -- >> >> https://github.com/gmabey/numpy/compare/swig-std-complex >> >> Glen >> >> On Oct 27, 2014, at 11:13 AM, Bill Spotz <wfsp...@sandia.gov> wrote: >> >> > Supporting std::complex<> was just low enough priority for me that I >> decided to wait until someone expressed interest ... and now, many years >> later, someone finally has. >> > >> > I would be happy to include this into numpy.i, but I would like to see >> some tests in the numpy repository demonstrating that it works. These >> could be relatively short and simple, and since float and double are the >> only scalar data types that I could foresee supporting, there would not be >> a need for testing the large numbers of data types that the other tests >> cover. >> > >> > I would also want to protect the references to C++ objects with '#ifdef >> __cplusplus', but that is easy enough. >> > >> > -Bill >> > >> > On Oct 27, 2014, at 9:06 AM, Glen Mabey <gma...@swri.org> wrote: >> > >> >> Hello, >> >> >> >> I was very excited to learn about numpy.i for easy numpy+swigification >> of C code -- it's really handy. >> >> >> >> Knowing that swig wraps C code, I wasn't too surprised that there was >> the issue with complex data types (as described at >> http://docs.scipy.org/doc/numpy/reference/swig.interface-file.html#other-common-types-complex), >> but still it was pretty disappointing because most of my data is complex, >> and I'm invoking methods written to use C++'s std::complex class. >> >> >> >> After quite a bit of puzzling and not much help from previous mailing >> list posts, I created this very brief but very useful file, which I call >> numpy_std_complex.i -- >> >> >> >> /* -*- C -*- (not really, but good for syntax highlighting) */ >> >> #ifdef SWIGPYTHON >> >> >> >> %include "numpy.i" >> >> >> >> %include <std_complex.i> >> >> >> >> %numpy_typemaps(std::complex<float>, NPY_CFLOAT , int) >> >> %numpy_typemaps(std::complex<double>, NPY_CDOUBLE, int) >> >> >> >> #endif /* SWIGPYTHON */ >> >> >> >> >> >> I'd really like for this to be included alongside numpy.i -- but maybe >> I overestimate the number of numpy users who use complex data (let your >> voice be heard!) and who also end up using std::complex in C++ land. >> >> >> >> Or if anyone wants to improve upon this usage I would be very happy to >> hear about what I'm missing. >> >> >> >> I'm sure there's a documented way to submit this file to the git repo, >> but let me simultaneously ask whether list subscribers think this is >> worthwhile and ask someone to add+push it for me … >> >> >> >> Thanks, >> >> Glen Mabey >> >> _______________________________________________ >> >> NumPy-Discussion mailing list >> >> NumPy-Discussion@scipy.org >> >> http://mail.scipy.org/mailman/listinfo/numpy-discussion >> > >> > ** Bill Spotz ** >> > ** Sandia National Laboratories Voice: (505)845-0170 ** >> > ** P.O. Box 5800 Fax: (505)284-0154 ** >> > ** Albuquerque, NM 87185-0370 Email: wfsp...@sandia.gov ** >> > >> > _______________________________________________ >> > NumPy-Discussion mailing list >> > NumPy-Discussion@scipy.org >> > http://mail.scipy.org/mailman/listinfo/numpy-discussion >> >> >> _______________________________________________ >> NumPy-Discussion mailing list >> NumPy-Discussion@scipy.org >> http://mail.scipy.org/mailman/listinfo/numpy-discussion >> >
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