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% STK_PARALLEL_START starts the parallelization engine.
% Copyright Notice
%
% Copyright (C) 2017 CentraleSupelec
% Copyright (C) 2013, 2014 SUPELEC
%
% Author: Julien Bect <julien.bect@centralesupelec.fr>
% Copying Permission Statement
%
% This file is part of
%
% STK: a Small (Matlab/Octave) Toolbox for Kriging
% (http://sourceforge.net/projects/kriging)
%
% 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 eng = stk_parallel_start ()
eng = stk_parallel_engine_get ();
if strcmp (class (eng), 'stk_parallel_engine_none') %#ok<STISA>
% use Mathworks' PCT if available
if (exist ('OCTAVE_VERSION', 'builtin') ~= 5) ... % no Octave
&& (exist ('matlabpool', 'file'))
eng = stk_parallel_engine_parfor ();
stk_parallel_engine_set (eng);
end
else
warning (['A parallel computing engine ' ...
'is already started (or so it seems).']); %#ok<WNTAG>
end
end % function
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