53 lines
1.7 KiB
Matlab
53 lines
1.7 KiB
Matlab
function y = log_variable(ivar,x,M_)
|
|
% returns the log of an endogenous variables except if
|
|
% it is a lagged/leaded exogenous variable
|
|
%
|
|
% INPUT
|
|
% ivar: vector of variable indices (in declaration order)
|
|
% x: vector of variables value
|
|
% M_: model structure
|
|
%
|
|
% OUTPUT
|
|
% y: log of the selected variables if there are not auxiliary variables
|
|
% for lagged/leaded exogenous variables
|
|
%
|
|
|
|
% Copyright © 2011-2017 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 <https://www.gnu.org/licenses/>.
|
|
|
|
orig_endo_nbr = M_.orig_endo_nbr;
|
|
aux_vars = M_.aux_vars;
|
|
|
|
y = zeros(length(ivar),1);
|
|
for i = 1:length(ivar)
|
|
% Does ivar(i) refer to a lag/lead exogenous variable?
|
|
if ivar(i) > orig_endo_nbr
|
|
av = aux_vars(ivar(i) - orig_endo_nbr);
|
|
if av.type == 2 || av.type == 3
|
|
if av.endo_index ~= ivar(i)
|
|
error(['This case shouldn''t happen. Please, contact Dynare ' ...
|
|
'developers'])
|
|
else
|
|
y(i) = x(ivar(i));
|
|
end
|
|
else
|
|
y(i) = log(x(ivar(i)));
|
|
end
|
|
else
|
|
y(i) = log(x(ivar(i)));
|
|
end
|
|
end |