al_fixatan(3) Library Functions Manual al_fixatan(3) 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 must be a fixed point value. 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. Allegro reference manual al_fixatan(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE
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