Added routines related to auxiliary variables.
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function ida = get_aux_variable_id(var)
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% Returns the index of an auxiliary variable in M_.aux_vars
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%
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% INPUTS
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% - var [string, integer] Variable name or index in M_.endo_names.
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%
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% OUTPUTS
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% - ida [integer] Corresponding index in M_.aux_vars.
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% Copyright (C) 2018 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 <http://www.gnu.org/licenses/>.
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global M_
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if ischar(var)
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id = strmatch(var, M_.endo_names, 'exact');
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if isempty(var)
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error('Variable %s is unkown.', var)
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else
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var = id;
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end
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else
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if ~isint(var) || var>M_.endo_nbr || var<1
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error('Input must be the name of an endogenous variable or an integer between 1 and %s!', num2str(M_.endo_nbr))
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end
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end
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if var<=M_.orig_endo_nbr
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% var is not an auxiliary variable.
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ida = 0;
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else
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ida = find([M_.aux_vars.endo_index]==var);
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end
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@ -0,0 +1,56 @@
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function n = get_difference_order(var)
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% Returns true iff endogenous variable `var` is a variable in difference.
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%
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% INPUTS
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% - var [string, integer] Variable name or index in M_.endo_names.
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%
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% OUTPUTS
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% - boo [logical] true/false.
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% Copyright (C) 2018 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 <http://www.gnu.org/licenses/>.
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global M_
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% Get index of the auxiliary
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id = get_aux_variable_id(var);
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% Set default difference order
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n = 0;
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% If var is not an auxiliary variable it cannot be a first difference.
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if ~id, return, end
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while id
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if M_.aux_vars(id).type==8
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% diff auxiliary variable.
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n = n+1;
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v = M_.aux_vars(id).orig_index;
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if v<=M_.orig_endo_nbr
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id = 0;
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else
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id = get_aux_variable_id(v);
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end
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elseif M_.aux_vars(id).type==9
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% lagged diff auxiliary variable
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v = M_.aux_vars(id).orig_index;
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id = get_aux_variable_id(v);
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else
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break
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end
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end
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@ -0,0 +1,32 @@
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function eqnumber = get_equation_number_by_tag(eqname)
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% Translates an equation name into an equation number.
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%
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% INPUTS
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% - eqname [string] Name of the equation.
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%
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% OUTPUTS
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% - eqnumber [integer] Equation number.
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% Copyright (C) 2018 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 <http://www.gnu.org/licenses/>.
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global M_
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eqnumber = strmatch(eqname, M_.equations_tags(strmatch('name', M_.equations_tags(:,2), 'exact'), 3), 'exact');
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if isempty(eqnumber), eqnumber = 0; end
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@ -0,0 +1,37 @@
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function boo = isdiff(var)
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% Returns true iff endogenous variable `var` is a v ariable in difference.
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%
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% INPUTS
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% - var [string, integer] Variable name or index in M_.endo_names.
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%
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% OUTPUTS
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% - boo [logical] true/false.
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|
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% Copyright (C) 2018 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 <http://www.gnu.org/licenses/>.
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global M_
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ida = get_aux_variable_id(var);
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boo = false;
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if ~ida, return, end
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if ismember(M_.aux_vars(ida).type, [8, 9])
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boo = true;
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end
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