129 lines
3.9 KiB
Matlab
129 lines
3.9 KiB
Matlab
function simul()
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% Computes deterministic simulations
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%
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% INPUTS
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% None
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%
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% OUTPUTS
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% none
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%
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% ALGORITHM
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%
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% SPECIAL REQUIREMENTS
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% none
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% Copyright (C) 1996-2013 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_ options_ oo_
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test_for_deep_parameters_calibration(M_);
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if options_.stack_solve_algo < 0 || options_.stack_solve_algo > 6
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error('SIMUL: stack_solve_algo must be between 0 and 6')
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end
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if ~options_.block && ~options_.bytecode && options_.stack_solve_algo ~= 0 ...
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&& options_.stack_solve_algo ~= 6
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error('SIMUL: you must use stack_solve_algo=0 or stack_solve_algo=6 when not using block nor bytecode option')
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end
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if options_.block && ~options_.bytecode && options_.stack_solve_algo == 5
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error('SIMUL: you can''t use stack_solve_algo = 5 without bytecode option')
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end
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if (options_.block || options_.bytecode) && options_.stack_solve_algo == 6
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error('SIMUL: you can''t use stack_solve_algo = 6 with block or bytecode option')
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end
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if isoctave && options_.stack_solve_algo == 2
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error('SIMUL: you can''t use stack_solve_algo = 2 under Octave')
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end
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if size(M_.lead_lag_incidence,2)-nnz(M_.lead_lag_incidence(M_.maximum_endo_lag+1,:)) > 0
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mess = ['SIMUL: error in model specification : variable ' M_.endo_names(find(M_.lead_lag_incidence(M_.maximum_lag+1,:)==0),:)] ;
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mess = [mess ' doesn''t appear as current variable.'] ;
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error (mess) ;
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end
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if options_.periods == 0
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error('SIMUL: number of periods for the simulation isn''t specified')
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end
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if ~ options_.initval_file
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if isempty(options_.datafile)
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make_ex_;
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make_y_;
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else
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read_data_;
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end
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end
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if isempty(options_.scalv) || options_.scalv == 0
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options_.scalv = oo_.steady_state ;
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end
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options_.scalv= 1 ;
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if options_.debug
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model_static = str2func([M_.fname,'_static']);
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for ii=1:size(oo_.exo_simul,1)
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[residual(:,ii)] = model_static(oo_.steady_state, oo_.exo_simul(ii,:),M_.params);
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end
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problematic_periods=find(any(isinf(residual)) | any(isnan(residual)))-M_.maximum_endo_lag;
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if ~isempty(problematic_periods)
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period_string=num2str(problematic_periods(1));
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for ii=2:length(problematic_periods)
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period_string=[period_string, ', ', num2str(problematic_periods(ii))];
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end
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fprintf('\n\nWARNING: Value for the exogenous variable(s) in period(s) %s inconsistent with the static model.\n',period_string);
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fprintf('WARNING: Check for division by 0.\n')
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end
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end
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if(options_.block)
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if(options_.bytecode)
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[info, oo_.endo_simul] = bytecode('dynamic');
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if info == 1
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oo_.deterministic_simulation.status = 0;
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else
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oo_.deterministic_simulation.status = 1;
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end;
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mexErrCheck('bytecode', info);
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else
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eval([M_.fname '_dynamic']);
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end;
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else
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if(options_.bytecode)
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[info, oo_.endo_simul]=bytecode('dynamic');
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mexErrCheck('bytecode', info);
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else
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if M_.maximum_endo_lead == 0 % Purely backward model
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sim1_purely_backward;
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elseif M_.maximum_endo_lag == 0 % Purely forward model
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sim1_purely_forward;
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else % General case
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if options_.stack_solve_algo == 0
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sim1;
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else % stack_solve_algo = 6
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sim1_lbj;
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end
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end
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end;
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end;
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dyn2vec; |