isnan.m 1.34 KB
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function b = isnan(o) % --*-- Unitary tests --*--
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% Returns an array of logicals (true/false). Element (t,i) is true iff the i-th variable at
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% period number t is a NaN.
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%
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% INPUTS
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% - o [dseries]    with N variables and T periods.
%
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% OUTPUTS
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% - b [logical]    T*N array of logicals.


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% Copyright (C) 2016-2017 Dynare Team
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%
% 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/>.

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b = isnan(o.data);

%@test:1
%$ try
%$     data = randn(100, 10);
%$     cnan = randi(10, 50, 1);
%$     rnan = randi(100, 50, 1);
%$     for i=1:50, data(rnan(i),cnan(i)) = NaN; end
%$     inan = isnan(data);
%$     ts = dseries(data);
%$     dd = ts.isnan();
%$     t(1) = true;
%$ catch
%$     t(1) = false;
%$ end
%$
%$ if t(1)
%$     t(2) = isequal(dd, inan);
%$ end
%$
%$ T = all(t);
%@eof:1