SYNOPSIS
#include <allegro.h>
fixed fixatan(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:
fixed result; /* Sets `result' to binary angle 13. */ result = fixatan(ftofix(0.326));
RETURN VALUE
Returns the inverse tangent of a fixed point value, measured as a fixed point binary format angle.