[Ktechlab-devel] More on Document / Simulator interface

[Axel Jäger]

> Concerning the float/double question:
> on most (all?) of our target platforms, float will have single-precision, 
> where double offers double-precision. Of course, size differs and float might 
> be faster on embedded platforms, like arm. I think, as long as we don't 
> encounter any performance issues, because of matrices with really large 
> dimensions, we should use double. 

If your main concern is bad performance on ARM, use qreal. It is a double on all plattforms except ARM. It is used in QGraphicsView for nearly everything.

Axel