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function [i_var,nvar,index_uniques] = varlist_indices(sublist,list)
% function [i_var,nvar,index_uniques] = varlist_indices(sublist,list)
% returns the indices of a list of endogenous variables
%
% INPUT
% sublist: sublist of variables
% list: list of variables
%
% OUTPUT
% i_var: variable indices in M_.endo_names
% nvar: number of variables in varlist
% index_uniqes: indices of unique elements in varlist
%
% SPECIAL REQUIREMENTS
% none
% Copyright (C) 2010-2017 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 <http://www.gnu.org/licenses/>.
% In Octave, ismember() doesn't operate on character arrays
if ~isoctave
if isempty(sublist)
check = [];
i_var = [];
else
[check,i_var] = ismember(sublist,list,'rows');
end
else
check = [];
i_var = [];
for i = 1:rows(sublist)
tmp = strmatch(deblank(sublist(i,:)), list, 'exact');
if isempty(tmp)
check = [ check; 0 ];
else
check = [ check; 1 ];
i_var = [ i_var; tmp ];
end
end
end
if ~all(check)
k = find(~check);
tempstring = 'The following symbols are not endogenous variables: ';
for ii = 1:length(k)
tempstring = [ tempstring, deblank(sublist(k(ii),:)), ' ' ];
end
error(tempstring)
end
nvar = length(i_var);
[i_var_unique,index_uniques,junk] = unique(i_var,'first');
index_uniques =sort(index_uniques);
i_var_unique =i_var(index_uniques);
if length(i_var_unique)~=nvar
k = find(~ismember(1:nvar,index_uniques));
tempstring = 'The following symbols are specified twice in the variable list and are considered only once: ';
for ii = 1:length(k)
tempstring = [ tempstring, deblank(sublist(k(ii),:)), ' ' ];
end
warning('%s\n',tempstring)
i_var=i_var_unique;
nvar = length(i_var);
end
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