identity_matrix man page

identity_matrix, identity_matrix_f — Global containing the identity matrix. Allegro game programming library.

Synopsis

#include <allegro.h>

extern MATRIX identity_matrix;

extern MATRIX_f identity_matrix_f;

Description

Global variables containing the 'do nothing' identity matrix. Multiplying by the identity matrix has no effect.

Referenced By

identity_matrix_f(3) is an alias of identity_matrix(3).

version 4.4.2 Allegro Allegro manual