fixhypot - Man Page
Fixed point hypotenuse. Allegro game programming library.
Synopsis
#include <allegro.h>
fixed fixhypot(fixed x, 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.
See Also
Info
version 4.4.3 Allegro manual