Commit 7631851c authored by Stéphane Adjemian's avatar Stéphane Adjemian
Browse files

Added @dynDates/union function.

parent f0c87fa1
function C = union(A,varargin)
%@info:
%! @deftypefn {Function File} {@var{C} =} union (@var{A},@var{B})
%! @anchor{dynDates/union}
%! @sp 1
%! Union method for the Dynare dates class (removes repetitions if any). Dates in C are sorted in increasing order.
%! @sp 2
%! @strong{Inputs}
%! @sp 1
%! @table @ @var
%! @item A
%! Object instantiated by @ref{dynDates}.
%! @item B
%! Object instantiated by @ref{dynDates}.
%! @end table
%! @sp 2
%! @strong{Outputs}
%! @sp 1
%! @table @ @var
%! @item C
%! Object instantiated by @ref{dynDates}.
%! @end table
%! @end deftypefn
%@eod:
% Copyright (C) 2013 Dynare Team
%
% This file is part of Dynare.
%
% Dynare is free software: you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
%
% Dynare is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with Dynare. If not, see <http://www.gnu.org/licenses/>.
if ~isa(A,'dynDates')
error(['dynDates::union: Input argument ''' inputname(1) ''' has to be a dynDates object!'])
end
C = A;
if ~length(varargin)
return;
end
for i=1:length(varargin)
if isa(varargin{i},'dynDates')
C = C + varargin{i};
else
error(['dynDates::union: Input argument ''' inputname(i) ''' has to be a dynDates object!'])
end
end
C = sort(unique(C));
%@test:1
%$ % Define some dynDates objects
%$ d1 = dynDate('1950Q1'):dynDate('1959Q4') ;
%$ d2 = dynDate('1960Q1'):dynDate('1969Q4') ;
%$ d3 = dynDate('1970Q1'):dynDate('1979Q4') ;
%$
%$ % Call the tested routine.
%$ e1 = union(d1);
%$ e2 = union(d1,d2);
%$ e3 = union(d1,d2,d3);
%$ e4 = union(d1,d2,d3,d2+d3);
%$ e5 = union(d1,d2,d3,d2);
%$
%$ % Check the results.
%$ t(1) = dyn_assert(e1==d1,1);
%$ t(2) = dyn_assert(e2==d1+d2,1);
%$ t(3) = dyn_assert(e3==d1+d2+d3,1);
%$ t(4) = dyn_assert(e4==d1+d2+d3,1);
%$ t(5) = dyn_assert(e5==d1+d2+d3,1);
%$ T = all(t);
%@eof:1
\ No newline at end of file
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