[Numpy-discussion] use of %extend
Sebastian Haase
seb.haase@gmail....
Thu Apr 15 06:24:10 CDT 2010
did you mean to send this to the SWIG list !?
-S.
On Thu, Apr 15, 2010 at 11:53 AM, Michel Dupront
<michel.dupront@hotmail.fr> wrote:
> Hello,
>
> With the following example, given in the documentation:
>
> struct Vector {
> double x,y,z;
> };
> %extend Vector {
> Vector __add__(Vector *other) {
> Vector v;
> v.x = $self->x + other->x;
> v.y = $self->y + other->y;
> v.z = $self->z + other->z;
> return v;
> }
> };
>
> one can do in python:
>>>> import example
>>>> v = example.Vector(2,3,4)
>>>> w = example.Vector(10,11,12)
>>>> print v+w
> Vector(12,14,16)
>>>>
>
> There is something more that I would like to do but I don't
> know how. I would like to be able to do:
>>>>> v1 = v + 2
>>>>> v2 = 2 + v
> where v is a vector and 2 a number that would be added to each component
> of the vector.
> I would really appreciate any help on that.
> Many thanks in advance.
>
>
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