fixatan3alleg
Fixed point inverse tangent lookup table. allegro game programming library.
Usage
#include <allegro.h>
fixed fixatan(fixed x);
Overview
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.
Releases
4 releases since Debian 3.1 (Sarge); the text changed 2 times.