al_fixhypot man page

al_fixhypot — Allegro 5 API

Synopsis

#include <allegro5/allegro.h>

al_fixed al_fixhypot(al_fixed x, al_fixed y)

Description

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.

Info

Allegro reference manual