1identity_matrix(3) Allegro manual identity_matrix(3)
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NAME
6identity_matrix, identity_matrix_f - Global containing the identity
7matrix. Allegro game programming library.
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SYNOPSIS
10#include <allegro.h>
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extern MATRIX identity_matrix;
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extern MATRIX_f identity_matrix_f;
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DESCRIPTION
18Global variables containing the 'do nothing' identity matrix. Multiply‐
19ing by the identity matrix has no effect.
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Allegro version 4.2.2 identity_matrix(3)