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% STK_LENGTH [deprecated]
%
% See also: stk_get_sample_size

% Copyright Notice
%
%    Copyright (C) 2020 CentraleSupelec
%    Copyright (C) 2014 SUPELEC
%
%    Authors:  Julien Bect       <julien.bect@centralesupelec.fr>
%              Emmanuel Vazquez  <emmanuel.vazquez@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 n = stk_length (x)

n = size (x.data, 1);

end % function


%!test
%! x = stk_dataframe ([1 2; 3 4; 5 6]);
%! assert (isequal (stk_length (x), 3));