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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)

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