107 lines
2.5 KiB
Matlab
107 lines
2.5 KiB
Matlab
function C = min(varargin)
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% Overloads the min function for dates objects.
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% Copyright (C) 2013 Dynare Team
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%
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% This file is part of Dynare.
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%
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% Dynare is free software: you can redistribute it and/or modify
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% it under the terms of the GNU General Public License as published by
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% the Free Software Foundation, either version 3 of the License, or
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% (at your option) any later version.
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%
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% Dynare is distributed in the hope that it will be useful,
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% but WITHOUT ANY WARRANTY; without even the implied warranty of
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% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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% GNU General Public License for more details.
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%
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% You should have received a copy of the GNU General Public License
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% along with Dynare. If not, see <http://www.gnu.org/licenses/>.
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switch nargin
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case 1
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A = varargin{1};
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switch length(A)
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case 0
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C= dates();
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case 1
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C = A;
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otherwise
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tmp = sortrows(A.time);
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C = dates();
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C.freq = A.freq;
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C.ndat = 1;
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C.time = tmp(1,:);
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end
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case 2
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A = varargin{1};
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if ~isa(A,'dates')
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error('dates::min: All inputs must be dates objects!')
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end
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B = varargin{2};
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if ~isa(B,'dates')
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error('dates::min: All inputs must be dates objects!')
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end
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C = min(A+B);
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otherwise
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if ~isa(varargin{1},'dates')
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error('dates::min: All inputs must be dates objects!')
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end
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A = varargin{1};
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for i=2:nargin
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if ~isa(varargin{i},'dates')
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error('dates::min: All inputs must be dates objects!')
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end
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A = A + varargin{i};
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end
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C = min(A);
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end
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%@test:1
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%$ % Define some dates
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%$ d3 = dates('1950q2');
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%$ d4 = dates('1950Q3');
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%$ d5 = dates('1950m1');
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%$ d6 = dates('1948M6');
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%$ m2 = min(d3,d4);
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%$ i2 = (m2==d3);
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%$ m3 = min(d5,d6);
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%$ i3 = (m3==d6);
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%$
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%$ % Check the results.
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%$ t(1) = dyn_assert(i2,1);
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%$ t(2) = dyn_assert(i3,1);
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%$ T = all(t);
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%@eof:1
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%@test:2
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%$ % Define some dates
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%$ d = dates('1950Q2','1951Q3','1949Q1','1950Q4');
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%$ m = min(d);
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%$ i = (m==dates('1949Q1'));
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%$
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%$ % Check the results.
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%$ t(1) = dyn_assert(i,1);
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%$ T = all(t);
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%@eof:2
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%@test:3
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%$ % Define some dates
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%$ m = min(dates('1950Q2','1951Q3'),dates('1949Q1'),dates('1950Q4'));
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%$ i = (m==dates('1949Q1'));
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%$
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%$ % Check the results.
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%$ t(1) = dyn_assert(i,1);
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%$ T = all(t);
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%@eof:3
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%@test:4
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%$ % Define some dates
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%$ m = min(dates('1950Q2'),dates('1951Q3'),dates('1949Q1'),dates('1950Q4'));
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%$ i = (m==dates('1949Q1'));
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%$
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%$ % Check the results.
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%$ t(1) = dyn_assert(i,1);
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%$ T = all(t);
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%@eof:4 |