hi coderz,

i'm new with Qt and like lot's of this.
what i do not know is, why Qt mix double/float for QVector3D.

...
private:
float xp, yp, zp;
...
public:
qreal length() const;

float for internal data presentation;
but real for access.

what is the reason for mixing float inside / real outside ?
thank you for answer,
greetings