[Development] Move math3d from QtGui to QtCore

[gunnar.sletta at nokia.com]

On Jul 9, 2012, at 8:55 AM, ext Laszlo Papp wrote:
> 
>> And how useful is really the integer version? There is almost no 3D math that works with integer only arithmetics.
> 
> If there is a point representing 2d with integers, I do not see the
> problem with having the analogy for 3D. Please note that, tracking
> coordinates itself has nothing to do with math. It can be used outside
> that area as well.
> 
> Best Regards,
> Laszlo Papp

The integer QPoint was used throughout Qt for mouse events, drawing and widget geometry. It makes sense. I do not see the same for an integer 3D point, but Thiago gets to decide :)

cheers,
Gunnar