quat_to_matrix - Constructs a rotation matrix from a quaternion.

NAME

       quat_to_matrix  -  Constructs  a  rotation  matrix  from  a quaternion.
       Allegro game programming library.

       #include <allegro.h>

       void quat_to_matrix(const QUAT *q, MATRIX_f *m);

       Constructs a rotation matrix from a quaternion.