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function dynareroot = dynare_config(path_to_dynare)
%function dynareroot = dynare_config(path_to_dynare)
%
% This function tests the existence of valid mex files (for qz
% decomposition, solution to sylvester equation and kronecker
% products...) and, if needed, add paths to the matlab versions
% of these routines.
% Also adds other directories to the path.
%
% INPUTS
% none
%
% OUTPUTS
% none
%
% SPECIAL REQUIREMENTS
% none
% Copyright (C) 2001-2021 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 <https://www.gnu.org/licenses/>.
if nargin && ~isempty(path_to_dynare)
addpath(path_to_dynare);
end
dynareroot = '/usr/lib/dynare/matlab/';
origin = pwd();
cd([dynareroot '/..'])
p = {'/distributions/' ; ...
'/kalman/' ; ...
'/kalman/likelihood' ; ...
'/AIM/' ; ...
'/partial_information/' ; ...
'/perfect-foresight-models/' ; ...
'/ms-sbvar/' ; ...
'/ms-sbvar/identification/' ; ...
'/../contrib/ms-sbvar/TZcode/MatlabFiles/' ; ...
'/parallel/' ; ...
'/particles/src' ; ...
'/gsa/' ; ...
'/ep/' ; ...
'/backward/' ; ...
'/convergence_diagnostics/' ; ...
'/cli/' ; ...
'/lmmcp/' ; ...
'/optimization/' ; ...
'/ols/' ; ...
'/pac-tools/' ; ...
'/discretionary_policy/' ; ...
'/accessors/' ; ...
'/modules/dseries/src/' ; ...
'/utilities/doc/' ; ...
'/utilities/tests/src/' ; ...
'/utilities/dataset/' ; ...
'/utilities/general/' ; ...
'/utilities/graphics/' ; ...
'/utilities/version/' ; ...
'/modules/reporting/src/' ; ...
'/modules/reporting/macros/'};
% For functions that exist only under some Octave versions
% or some MATLAB versions, and for which we provide some replacement functions
% Replacements for rows(), columns(), vec() and issquare() (inexistent under MATLAB)
if ~isoctave
p{end+1} = '/missing/rows_columns';
p{end+1} = '/missing/issquare';
p{end+1} = '/missing/vec';
end
%% intersect(…, 'stable') and unique(…, 'stable') doen't exist in Octave < 6
if isoctave && octave_ver_less_than('6')
p{end+1} = '/missing/intersect_stable';
p{end+1} = '/missing/unique_stable';
end
% Replacements for functions of the MATLAB statistics toolbox
if isoctave
% Under Octave, these functions are in the statistics Forge package.
% Our replacement functions don't work under Octave (because of gamrnd, see
% #1638), hence the statistics toolbox is now a hard requirement
if ~user_has_octave_forge_package('statistics')
error('You must install the "statistics" package from Octave Forge, either with your distribution package manager or with "pkg install -forge io statistics"')
end
else
if ~user_has_matlab_license('statistics_toolbox')
p{end+1} = '/missing/stats/';
end
end
% Check if struct2array is available.
if ~exist('struct2array')
p{end+1} = '/missing/struct2array';
end
% isfile is missing in MATLAB < R2017b
if ~isoctave && matlab_ver_less_than('9.3')
p{end+1} = '/missing/isfile';
end
% contains and splitlines don't exist in Octave and in MATLAB < R2016b
if isoctave || matlab_ver_less_than('9.1')
p{end+1} = '/missing/contains';
p{end+1} = '/missing/splitlines';
end
% datetime doesn't exist in Octave and in MATLAB < R2014b
if isoctave || matlab_ver_less_than('8.4')
p{end+1} = '/missing/datetime';
end
P = cellfun(@(c)[dynareroot(1:end-1) c], p, 'uni',false);
% Get mex files folder(s)
mexpaths = add_path_to_mex_files(dynareroot, false);
% Add mex files folder(s)
P(end+1:end+length(mexpaths)) = mexpaths;
% Set matlab's path
addpath(P{:});
if isoctave
pkg load jsonlab
else
addpath /usr/share/matlab/site/m/jsonlab/
end
% Initialization of the dates and dseries classes (recursive).
initialize_dseries_class();
cd(origin);
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