fixatan(3) Allegro manual fixatan(3) NAME fixatan - Fixed point inverse tangent lookup table. Allegro game pro‐ gramming library. SYNOPSIS #include <allegro.h> fixed fixatan(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 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. SEE ALSO Allegro version 4.4.2 fixatan(3)[top]
Vote for polarhome |