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% STK_ASSERT_NO_DUPLICATES generates an error if there are duplicates
% Copyright Notice
%
% Copyright (C) 2018 CentraleSupelec
%
% Author: Julien Bect <julien.bect@centralesupelec.fr>
% Copying Permission Statement
%
% This file is part of
%
% STK: a Small (Matlab/Octave) Toolbox for Kriging
% (https://github.com/stk-kriging/stk/)
%
% STK 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.
%
% STK 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 STK. If not, see <http://www.gnu.org/licenses/>.
function stk_assert_no_duplicates (x)
mnemonic = 'DuplicatedRows';
% Name of the input variable (if available)
boxname = inputname (1);
if isempty (boxname)
boxname = 'input array';
end
% Pretend that the error has been thrown by the caller
stack = dbstack; stack = stack(2:end);
% Detect duplicated rows
x = double (x);
n = size (x, 1);
y = unique (x, 'rows');
if size (y, 1) < n
errmsg = sprintf ('%s has duplicated rows', boxname);
stk_error (errmsg, mnemonic, stack);
end
end % function
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