39 lines
1.6 KiB
Matlab
39 lines
1.6 KiB
Matlab
function check_model(M_)
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% check_model(M_)
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% Performs various consistency checks on the model
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% Copyright (C) 2005-2023 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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if ~all(M_.lead_lag_incidence(M_.maximum_lag+1,:) > 0)
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warning('Problem in the model specification: some variables don''t appear as current. Check whether this is desired.');
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end
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if any(diag(M_.Sigma_e)<0)
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error('You have specified negative shock variances. That is not allowed.')
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end
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if ~check_consistency_covariances(M_.Sigma_e)
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error('The specified covariances for the structural errors are not consistent with the variances as they imply a correlation larger than +-1')
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end
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if any(diag(M_.H)<0)
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error('You have specified negative measurement error variances. That is not allowed.')
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end
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if ~isequal(M_.H,0)
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if ~check_consistency_covariances(M_.H)
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error('The specified covariances for the measurement errors are not consistent with the variances as they imply a correlation larger than +-1')
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end
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end |