function image = changeclass(class, varargin)
%CHANGECLASS changes the storage class of an image.
%   I2 = CHANGECLASS(CLASS, I);
%   RGB2 = CHANGECLASS(CLASS, RGB);
%   BW2 = CHANGECLASS(CLASS, BW);
%   X2 = CHANAGECLASS(CLASS, X, 'indexed');
%   Copyright 1993-2002 The MathWorks, Inc
%   $Revision: 1.2 $ $Date:2003/02/19 22:09:58 $

switch class
case 'uint8'
   image = im2uint8(varargin{:});
case 'uint16'
   image = im2uint16(varargin{:});
case 'double'
   image = im2double(varargin{:});
otherwise
   error('Unsupported IPT data class.');
end