al_fixatan(3)al_fixatan(3)NAMEal_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 ta‐
ble. The input value must be a fixed point radian. The inverse tan‐
gent 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.
Allegro reference manualal_fixatan(3)