Re: Array vs. ArrayN in 3.2.x and development sources?

[Carlo de Falco]

On 22 Mar 2010, at 21:20, Søren Hauberg wrote:

> Hi All
>
> As the maintainer of the 'image' package I would like to have the
> package working with both the stable version of Octave (3.2.x) and the
> development version (which I use myself). In some C++ code I'm having
> problems with achieving this goal.
>
> Basically, I need an N-dimensional array of 'double's and I need to
> return this to the user. One approach is to do
>
>  ArrayN<double> b (dim_vector (h, w, 2));
>  return octave_value (b);
>
> This requires that I include "octave/ArrayN.h" in the development
> version and it gives me a warning (and I don't like warnings). Another
> solution is to do
>
>  Array<double> b (dim_vector (h, w, 2));
>  return octave_value (b);
>
> (just replace "ArrayN" by "Array") but this doesn't work in the stable
> version as there is no 'octave_value' constructor for 'Array<double>'.
> This is, however, the recommended way of doing things in the  
> development
> version.
>
> So, does anybody have an approach that works in both versions and
> doesn't give me any warnings?
>
> Thanks
> Søren

does

NDArray b (dim_vector (h, w, 2));
return octave_value (b);

work?

c.