NAME¶
al_fixatan - Allegro 5 API
SYNOPSIS¶
-
#include <allegro5/allegro.h>
al_fixed al_fixatan(al_fixed x)
DESCRIPTION¶
This function finds the inverse tangent of a value using a lookup table. The
input value must be a fixed point radian. The inverse tangent is the value
whose tangent is x.
Example:
-
al_fixed result;
/* Sets result to binary angle 13. */
result = al_fixatan(al_ftofix(0.326));
RETURN VALUE¶
Returns the inverse tangent of a fixed point value, measured as a fixed point
binary format angle.
