Provided by: allegro4-doc_4.4.3.1-5_all 

NAME
qscale_matrix, qscale_matrix_f - Optimised routine for scaling an already generated matrix. Allegro game
programming library.
SYNOPSIS
#include <allegro.h>
void qscale_matrix(MATRIX *m, fixed scale);
void qscale_matrix_f(MATRIX_f *m, float scale);
DESCRIPTION
Optimised routine for scaling an already generated matrix: this simply adds in the scale factor, so there
is no need to build two temporary matrices and then multiply them together.
SEE ALSO
get_scaling_matrix(3alleg4)
Allegro version 4.4.3 qscale_matrix(3alleg4)