fixatan(3) Allegro manual fixatan(3) NAME fixatan - Fixed point inverse tangent lookup table. Allegro game program- ming library. 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. SEE ALSO Allegro version 4.4.3 fixatan(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | SEE ALSO
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