47 lines
1.7 KiB
Matlab
47 lines
1.7 KiB
Matlab
function [variable, transformations] = rewrite_aux_variable(variable, M_)
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% Copyright © 2021 Dynare Team
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%
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% This file is part of Dynare.
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%
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% Dynare is free software: you can redistribute it and/or modify
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% it under the terms of the GNU General Public License as published by
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% the Free Software Foundation, either version 3 of the License, or
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% (at your option) any later version.
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%
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% Dynare is distributed in the hope that it will be useful,
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% but WITHOUT ANY WARRANTY; without even the implied warranty of
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% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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% GNU General Public License for more details.
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%
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% You should have received a copy of the GNU General Public License
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% along with Dynare. If not, see <https://www.gnu.org/licenses/>.
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transformations = {};
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ida = get_aux_variable_id(variable);
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op = 0;
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dl = 0;
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while ida
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op = op+1;
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if isequal(M_.aux_vars(ida).type, 1)
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transformations(op,1) = {'lag'};
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transformations(op,2) = {M_.aux_vars(ida).orig_lead_lag-1};
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variable = M_.endo_names{M_.aux_vars(ida).orig_index};
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elseif isequal(M_.aux_vars(ida).type, 8)
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transformations(op, 1) = {'diff'};
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variable = M_.endo_names{M_.aux_vars(ida).orig_index};
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elseif isequal(M_.aux_vars(ida).type, 9)
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dl = dl+1;
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transformations(op, 1) = {'lag'};
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transformations(op, 2) = {dl};
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op = op-1;
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variable = M_.endo_names{M_.aux_vars(ida).orig_index};
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elseif isequal(M_.aux_vars(ida).type, 10)
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transformations(op, 1) = {M_.aux_vars(ida).unary_op};
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variable = M_.endo_names{M_.aux_vars(ida).orig_index};
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else
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error('This case is not implemented.')
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end
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ida = get_aux_variable_id(variable);
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end |