function f = uplus(f)
%UPLUS   Unary plus of a TRIGTECH.
%   UPLUS(F) = F.
%
% See also UMINUS, PLUS.

% Copyright 2017 by The University of Oxford and The Chebfun Developers. 
% See http://www.chebfun.org/ for Chebfun information.

% This function does not change anything.

end
