function c = cdv(varargin)% CDV - Constructor for the class cdv, a sub class of the gen class.% The constructor is called as follows:%% cdv('name',low_limit,high_limit,bits) % 'name' - the name that identify the variable% low_limit - the lower limit for the variable% high_limit - the upper limit for the variable% bits - the number of bits used to code the variable%% if the constructor is called without any arguments it returns an% empty variable.% % See also CHROM,DDV,UI_GEN,UI_CHROMswitch nargin case 0  c=struct('l_limit',0,'u_limit',0);  c = class(c,'cdv',gen); case 1  if isa(v,'cdv')    c=varargin{1};  else    error('wrong argument')  end case 4  c=struct('l_limit',varargin{2},'u_limit',varargin{3});  c=class(c,'cdv',gen(varargin{1},varargin{4})); otherwise  error('Wrong number of arguments')end