[Numpy-discussion] Problem converting a numarray extension to numpy
pebarrett at gmail.com
Tue Jul 25 07:27:05 CDT 2006
On 7/24/06, Travis Oliphant <oliphant.travis at ieee.org> wrote:
> Paul Barrett wrote:
> > I'm having a problem converting a C extension module that was
> > originally written for numarray to use numpy. I using swig to create
> > a wrapper flle for the C code. I have added the
> > numpy.get_numarray_include() method to my setup.py file and have
> > changed the numarray/libnumarray.h to use numpy/libnumarray.h. The
> > extension appears to compile fine (with the exception of some warning
> > messages). However, when I import the module, I get a segfault. Do I
> > need to add anything else to the share library's initialization step
> > other than import_libnumarray()?
> No, that should be enough. The numarray C-API has only been tested on
> a few extension modules. It's very possible some of the calls have
> It's also possible you have an older version of numpy lying around
> somewhere. Do you get any kind of error message on import?
No. I'm using a recent SVN version of numpy and I remove the install
and build directories before every new build, i.e. I do clean build
after each SVN update.
No. Just the segfault. I guess the best thing to do is put in print
statements and try to locate where it fails.
Thanks for the clarification, Travis.
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