%ATAN2  Four quadrant inverse tangent.
%   ATAN2(Y,X) is the four quadrant arctangent of the real parts of the
%   elements of X and Y.  -pi <= ATAN2(Y,X) <= pi.
%
%   See also ATAN.

%   Copyright (c) 1984-98 by The MathWorks, Inc.
%   $Revision: 5.4 $  $Date: 1997/11/21 23:28:09 $
%   Built-in function.
