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Added new (low level) routine to add periods to a date or vector of dates (using the internal representation of dates).

time-shift
Stéphane Adjemian (Charybdis) 2013-10-11 17:49:42 +02:00
parent 45ec7c6953
commit fe28887409
1 changed files with 79 additions and 0 deletions
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matlab/utilities/dates/add_periods_to_array_of_dates.m Normal file
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function time = add_periods_to_array_of_dates(time, freq, p)
% Adds a p periods (p can be negative) to a date (or a set of dates) characterized by array time and frequency freq.
% 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 isequal(rows(time),1) && length(p)>1
time = repmat(time,length(p),1);
end
time(:,1) = time(:,1) + fix(p/freq);
time(:,2) = time(:,2) + rem(p,freq);
id1 = find(time(:,2)>freq);
time(id1,1) = time(id1,1) + 1;
time(id1,2) = time(id1,2) - freq;
id2 = find(time(:,2)<1);
time(id2,1) = time(id2,1) - 1;
time(id2,2) = time(id2,2) + freq;
%@test:1
%$ t(1) = dyn_assert(add_periods_to_array_of_dates([1950 1], 4, 1),[1950 2]);
%$ t(2) = dyn_assert(add_periods_to_array_of_dates([1950 1], 4, 2),[1950 3]);
%$ t(3) = dyn_assert(add_periods_to_array_of_dates([1950 1], 4, 3),[1950 4]);
%$ t(4) = dyn_assert(add_periods_to_array_of_dates([1950 1], 4, 4),[1951 1]);
%$ t(5) = dyn_assert(add_periods_to_array_of_dates([1950 1], 4, 5),[1951 2]);
%$ t(6) = dyn_assert(add_periods_to_array_of_dates([1950 1], 4, 6),[1951 3]);
%$ t(7) = dyn_assert(add_periods_to_array_of_dates([1950 1], 4, 7),[1951 4]);
%$ t(8) = dyn_assert(add_periods_to_array_of_dates([1950 1], 4, 8),[1952 1]);
%$ T = all(t);
%@eof:1
%@test:2
%$ t(1) = dyn_assert(add_periods_to_array_of_dates(repmat([1950 1],8,1), 4, transpose(1:8)),[1950 2; 1950 3; 1950 4; 1951 1; 1951 2; 1951 3; 1951 4; 1952 1]);
%$ T = all(t);
%@eof:2
%@test:3
%$ t(1) = dyn_assert(add_periods_to_array_of_dates([1950 1], 1, 1),[1951 1]);
%$ T = all(t);
%@eof:3
%@test:4
%$ t(1) = dyn_assert(add_periods_to_array_of_dates([1950 1; 1950 2; 1950 3; 1950 4], 4, 1),[1950 2; 1950 3; 1950 4; 1951 1]);
%$ T = all(t);
%@eof:4
%@test:5
%$ t(1) = dyn_assert(add_periods_to_array_of_dates([1950 1], 4, transpose(1:8)),[1950 2; 1950 3; 1950 4; 1951 1; 1951 2; 1951 3; 1951 4; 1952 1]);
%$ T = all(t);
%@eof:5
%@test:6
%$ t(1) = dyn_assert(add_periods_to_array_of_dates([1950 1], 4, -1),[1949 4]);
%$ t(2) = dyn_assert(add_periods_to_array_of_dates([1950 1], 4, -2),[1949 3]);
%$ t(3) = dyn_assert(add_periods_to_array_of_dates([1950 1], 4, -3),[1949 2]);
%$ t(4) = dyn_assert(add_periods_to_array_of_dates([1950 1], 4, -4),[1949 1]);
%$ t(5) = dyn_assert(add_periods_to_array_of_dates([1950 1], 4, -5),[1948 4]);
%$ t(6) = dyn_assert(add_periods_to_array_of_dates([1950 1], 4, -6),[1948 3]);
%$ t(7) = dyn_assert(add_periods_to_array_of_dates([1950 1], 4, -7),[1948 2]);
%$ t(8) = dyn_assert(add_periods_to_array_of_dates([1950 1], 4, -8),[1948 1]);
%$ T = all(t);
%@eof:6