Floating point version of get_camera_matrix(). allegro game programming library.
#include <allegro.h>
void get_camera_matrix_f(MATRIX_f *m, float x, y, z, xfront, yfront, zfront, float xup, yup, zup, fov, aspect);
Floating point version of get_camera_matrix().
get_camera_matrix(3alleg4), excamera(3alleg4), exquat(3alleg4)