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al_fixhypot(3) al_fixhypot(3)

al_fixhypot - Allegro 5 API


#include <allegro5/allegro.h>
al_fixed al_fixhypot(al_fixed x, al_fixed y)

    

Fixed point hypotenuse (returns the square root of x*x + y*y). This should be better than calculating the formula yourself manually, since the error is much smaller.
Allegro reference manual