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Added overload plus method for dynSeries class.

time-shift
Stéphane Adjemian (Charybdis) 2012-12-08 14:18:01 +01:00
parent e27dd38c7f
commit 1de31adf34
1 changed files with 104 additions and 0 deletions
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matlab/@dynSeries/plus.m Normal file
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function A = plus(B,C)
%@info:
%! @deftypefn {Function File} {@var{A} =} plus (@var{B},@var{C})
%! @anchor{@dynSeries/plus}
%! @sp 1
%! Overloads the plus method for the Dynare time series class (@ref{dynSeries}).
%! @sp 2
%! @strong{Inputs}
%! @sp 1
%! @table @ @var
%! @item B
%! Dynare time series object instantiated by @ref{dynSeries}.
%! @item C
%! Dynare time series object instantiated by @ref{dynSeries}.
%! @end table
%! @sp 1
%! @strong{Outputs}
%! @sp 1
%! @table @ @var
%! @item A
%! Dynare time series object.
%! @end deftypefn
%@eod:
% Copyright (C) 2011, 2012 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/>.
% AUTHOR(S) stephane DOT adjemian AT univ DASH lemans DOT fr
if ~isequal(B.vobs,C.vobs) && ~(isequal(B.vobs,1) || isequal(C.vobs,1))
error(['dynSeries::plus: Cannot add ' inputname(1) ' and ' inputname(2) ' (wrong number of variables)!'])
end
if ~isequal(B.nobs,C.nobs)
error(['dynSeries::plus: Cannot add ' inputname(1) ' and ' inputname(2) ' (wrong number of observations)!'])
end
if ~isequal(B.freq,C.freq)
error(['dynSeries::plus: Cannot add ' inputname(1) ' and ' inputname(2) ' (frequencies are different)!'])
end
if ~isequal(B.init,C.init)
error(['dynSeries::plus: Cannot add ' inputname(1) ' and ' inputname(2) ' (initial dates are different)!'])
end
if isempty(B)
A = C;
return
end
if isempty(C)
A = B;
return
end
A = dynSeries();
A.freq = B.freq;
A.nobs = max(B.nobs,C.nobs);
A.vobs = max(B.vobs,C.vobs);
A.name = repmat({'--NA--'},A.vobs,1);
A.data = bsxfun(@plus,B.data,C.data);
%@test:8
%$ % Define a datasets.
%$ A = rand(10,2); B = randn(10,1);
%$
%$ % Define names
%$ A_name = {'A1';'A2'}; B_name = {'B1'};
%$
%$ t = zeros(4,1);
%$
%$ % Instantiate a time series object.
%$ try
%$ ts1 = dynSeries(A,[],A_name,[]);
%$ ts2 = dynSeries(B,[],B_name,[]);
%$ ts3 = ts1+ts2;
%$ t(1) = 1;
%$ catch
%$ t = 0;
%$ end
%$
%$ if length(t)>1
%$ t(2) = dyn_assert(ts3.vobs,2);
%$ t(3) = dyn_assert(ts3.nobs,10);
%$ t(4) = dyn_assert(ts3.data,[A(:,1)+B, A(:,2)+B],1e-15);
%$ end
%$ T = all(t);
%@eof:8