dynare/matlab/@dates/lt.m

123 lines
2.9 KiB
Matlab

function C = lt(A,B) % --*-- Unitary tests --*--
% Overloads the < operator for dates objects.
%
% INPUTS
% o A dates object with n or 1 elements.
% o B dates object with n or 1 elements.
%
% OUTPUTS
% o C column vector of max(n,1) elements (zeros or ones).
% 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(nargin,2)
error('dates::lt: I need exactly two input arguments!')
end
if ~isa(A,'dates') || ~isa(B,'dates')
error(['dates::lt: Input arguments ''' inputname(1) ''' and ''' inputname(2) ''' have to be a dates objects!'])
end
if ~isequal(A.freq,B.freq)
C = false;
return
end
if isequal(A.ndat, B.ndat)
C = false(A.ndat,1);
for i=1:A.ndat
C(i) = lessthan(A.time(i,:),B.time(i,:));
end
else
if isequal(A.ndat,1)
C = false(B.ndat,1);
for i=1:B.ndat
C(i) = lessthan(A.time,B.time(i,:));
end
elseif isequal(B.ndat,1)
C = false(A.ndat,1);
for i=1:A.ndat
C(i) = lessthan(A.time(i,:),B.time);
end
else
C = false;
end
end
function c = lessthan(a,b)
if a(1)<b(1)
c = true;
else
if a(1)>b(1)
c = false;
else
if a(2)<b(2)
c = true;
else
c = false;
end
end
end
%@test:1
%$ % Define some dates
%$ date_2 = '1950Q2';
%$ date_3 = '1950Q3';
%$ date_4 = '1950Q1';
%$ date_5 = '1949Q2';
%$
%$ % Call the tested routine.
%$ d2 = dates(date_2);
%$ d3 = dates(date_3);
%$ d4 = dates(date_4);
%$ d5 = dates(date_5);
%$ i1 = (d2<d3);
%$ i2 = (d3<d4);
%$ i3 = (d4<d2);
%$ i4 = (d5<d4);
%$
%$ % Check the results.
%$ t(1) = dassert(i1,true);
%$ t(2) = dassert(i2,false);
%$ t(3) = dassert(i3,true);
%$ t(4) = dassert(i4,true);
%$ T = all(t);
%@eof:1
%@test:2
%$ % Define some dates
%$ B1 = '1945Q1';
%$ B2 = '1945Q2';
%$ B3 = '1945Q3';
%$ B4 = '1945Q4';
%$ B5 = '1950Q1';
%$
%$ % Create dates objects.
%$ dd = dates(B1,B2,B3,B4);
%$
%$ % Check the results.
%$ t(1) = dassert(dates(B1)<dates(B2),true);
%$ t(2) = dassert(dates(B2)<dates(B1),false);
%$ t(3) = dassert(dates(B2)<dates(B1),false);
%$ t(4) = dassert(dd<dates(B5),true(4,1));
%$ t(5) = dassert(dates(B5)<dd,false(4,1));
%$ t(6) = dassert(dates(B1)<dd,[false; true(3,1)]);
%$ T = all(t);
%@eof:2