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al_fixsqrt(3) al_fixsqrt(3)

al_fixsqrt - Allegro 5 API


#include <allegro5/allegro.h>
al_fixed al_fixsqrt(al_fixed x)

    

This finds out the non negative square root of x. If x is negative, Allegro’s errno is set to EDOM and the function returns zero.
Allegro reference manual