Numeric Python and C

[Ognen Duzlevski]

John Hunter <jdhunter at ace.bsd.uchicago.edu> wrote:
>>>>>> "Ognen" == Ognen Duzlevski <maketo at norge.freeshell.org> writes:

>     Ognen> Hi, can someone explain how to change a value within an
>     Ognen> array from a C function?

> Warning: I am not a Numeric C API guru.

> For 1D arrays I use the following macro
[snipped]
> You'll have to do a bit more work for 2D arrays, but this may speed
> you on your way....

Hi, for 2D arrays it is much similar:

get(ndx1,ndx2): array->data + ndx1*array->strides[0] + ndx2*array->strides[1]
set(ndx1,ndx2): I use memcpy(same as get, &val, sizeof(val);

Thanks,
Ognen