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CO2gui - lab control and automation

CO2gui - lab control and automation

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06 Jan 2010 (Updated )

Software used for controlling and data logging lab equipment.

isodd(x)
function b = isodd(x)
%ISODD  True for odd numbers.
%
%   ISODD(X) returns 1's where the elements of X are odd numbers and 0's where
%   they are not.
%
%   See also ISINT, ISEVEN.

%   Author:      Peter J. Acklam
%   Time-stamp:  2003-04-12 14:28:40 +0200
%   E-mail:      pjacklam@online.no
%   URL:         http://home.online.no/~pjacklam

   error(nargchk(1, 1, nargin));
   if ~isnumeric(x)
      error('Argument must be a numeric array.');
   end

   cls = class(x);                      % class of input argument
   if isempty(x)
      b = feval(cls, x);                % return empty array of same class
   else
      switch cls
         case 'double'
            b = mod(x, 2) == 1;
         case 'single'
            % "mod" is not defined for class "single"; so convert input to
            % double, compare, and convert back
            b = single(mod(double(x), 2) == 1);
         case {'uint8', 'uint16', 'uint32', 'uint64'}
            b = bitand(x, 1);
         case {'int8', 'int16', 'int32', 'int64'}
            error('Not implemented for classes int8, int16, int32, and int64.');
         otherwise
            error('Argument is of unrecognized class.');
      end
   end

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