Hi

Thanks for all your help!

I found the "strange" result was caused by my algorithm(CUDA).

The swig part is very ok:)



On Thu, May 20, 2010 at 11:18 PM, Bill Spotz <wfsp...@sandia.gov> wrote:

> I tried the following:
>
> %module example
> %{
> #define SWIG_FILE_WITH_INIT
> //#include "example.h"
> %}
> %include "numpy.i"
>
> %init %{
>     import_array();
> %}
>
> %apply (float* INPLACE_ARRAY1, int DIM1) {(float *a, int na), (float
> *b, int nb)};
>
> %inline
> {
>   void update_incident_field(int k, float *a, int na, float *b, int nb)
>   {
>     for (i=0; i<na; i ++)
>     {
>       a[i] = a[i] + b[i] * k;
>     }
>   }
> }
>
> $ swig -python example.i
>
> and the resulting example_wrap.c file looks OK for me.  What strange
> output did you get?
>
> On May 19, 2010, at 7:43 PM, Steven Nien wrote:
>
> > I want to pass 1 integer and 2 numpy array into the C function as
> > followings:
> >
> > void update_incident_field(int k, float *a, int na, float *b, int
> > nb) {
> > for (i=0; i<na; i ++) {
> >     a[i] = a[i] + b[i] * k;
> > }
> > }
> >
> > But I don't know how to write the interface code (***.i)
> > Can someone help me?
> >
> > Thanks!
> >
> > The swig interface code I written(did't work, strange output)
> >
> > %module example
> > %{
> > #define SWIG_FILE_WITH_INIT
> > #include "example.h"
> > %}
> > %include "numpy.i"
> >
> > %init %{
> >     import_array();
> > %}
> >
> > %apply (float* INPLACE_ARRAY1, int DIM1) {(float *a, int na), (float
> > *b, int nb)};
> >
> > %include "example.h"
> >
> >
> >
> > <ATT00002.txt>
>
> ** 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 **
>
>
>
>
>
>
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