215 lines
12 KiB
Matlab
215 lines
12 KiB
Matlab
function message = get_error_message(info, options_)
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% Returns error messages
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%
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% INPUTS
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% info [double] vector returned by resol.m
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% options_ [structure] Dynare options
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% OUTPUTS
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% message [string] corresponding error message
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%
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% SPECIAL REQUIREMENTS
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% none
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% Copyright © 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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switch info(1)
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case 0
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message = '';
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case 1
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message = 'The model doesn''t determine the current variable uniquely.';
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case 2
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message = sprintf('The generalized Schur (QZ) decomposition failed. For more information, see the documentation for Lapack function dgges: info=%d, n=%d. You can also run model_diagnostics to get more information on what may cause this problem.', info(2), info(3));
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case 3
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message = 'Blanchard & Kahn conditions are not satisfied: no stable equilibrium.';
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case 4
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message = 'Blanchard & Kahn conditions are not satisfied: indeterminacy.';
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case 5
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message = 'Blanchard & Kahn conditions are not satisfied: indeterminacy due to rank failure.';
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case 6
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message = 'The Jacobian matrix evaluated at the steady state contains elements that are not real or are infinite.';
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case 7
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message = sprintf('One of the eigenvalues is close to 0/0 (the absolute value of numerator and denominator is smaller than %5.4f!\n If you believe that the model has a unique solution you can try to reduce the value of qz_zero_threshold.',options_.qz_zero_threshold);
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case 8
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if size(info,2)>=2 && info(2)~=0
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global M_;
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disp_string = M_.param_names{info(2)};
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for ii=1:length(info)-2
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disp_string = [disp_string, ', ', M_.param_names{info(2+ii)}];
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end
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message = ['The Jacobian contains NaNs because the following parameters are NaN: ' disp_string];
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else
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message = 'The Jacobian contains NaNs. For more information, use options_.debug.';
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end
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case 9
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message = 'k_order_pert was unable to compute the solution';
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case 10
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message = 'The Jacobian of the dynamic model contains Inf. For more information, use options_.debug.';
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case 11
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message = 'The Hessian of the dynamic model used for second order solutions must not contain Inf';
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case 12
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message = 'The Hessian of the dynamic model used for second order solutions must not contain NaN';
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case 19
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message = 'The steadystate file did not compute the steady state';
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case 20
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if options_.linear
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message = sprintf('Impossible to find the steady state (the sum of squared residuals of the static equations is %5.4f). Either the model doesn''t have a steady state or there are an infinity of steady states. Check whether your model is truly linear or whether there is a mistake in linearization.', info(2));
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else
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message = sprintf('Impossible to find the steady state (the sum of squared residuals of the static equations is %5.4f). Either the model doesn''t have a steady state, there are an infinity of steady states, or the guess values are too far from the solution', info(2));
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end
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case 21
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message = sprintf('The steady state is complex (the sum of square residuals of imaginary parts of the steady state is %5.4f)', info(2));
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case 22
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message = 'The steady state has NaNs or Inf.';
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case 23
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message = 'Parameters have been updated in the steadystate routine and some have complex values.';
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case 24
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message = 'Parameters have been updated in the steadystate routine and some are NaNs or Inf.';
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case 25
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message = 'The solution to the static equations is not a steady state of the dynamic model: verify that the equations tagged by [static] and [dynamic] are consistent';
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case 26
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message = 'The loglinearization of the model cannot be performed, because the steady state is not strictly positive.';
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case 30
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message = 'Ergodic variance can''t be computed.';
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case 41
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message = 'one (many) parameter(s) do(es) not satisfy the lower bound';
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case 42
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message = 'one (many) parameter(s) do(es) not satisfy the upper bound';
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case 43
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message = 'Covariance matrix of structural shocks is not positive definite';
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case 44 %DsgeLikelihood_hh / dsge_likelihood
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message = 'The covariance matrix of the measurement errors is not positive definite.';
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case 45 %DsgeLikelihood_hh / dsge_likelihood
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message = 'Likelihood is not a number (NaN) or a complex number';
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case 46 %DsgeLikelihood_hh / dsge_likelihood
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message = 'Likelihood is a complex number';
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case 47 %DsgeLikelihood_hh / dsge_likelihood
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message = 'Prior density is not a number (NaN)';
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case 48 %DsgeLikelihood_hh / dsge_likelihood
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message = 'Prior density is a complex number';
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case 49
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message = 'The model violates one (many) endogenous prior restriction(s)';
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case 50
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message = 'Likelihood is Inf';
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case 51
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message = sprintf('\n The dsge_prior_weight is dsge_var=%5.4f, but must be at least %5.4f for the prior to be proper.\n You are estimating a DSGE-VAR model, but the value of the dsge prior weight is too low!', info(2), info(3));
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case 52 %dsge_var_likelihood
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message = 'You are estimating a DSGE-VAR model, but the implied covariance matrix of the VAR''s innovations, based on artificial and actual sample is not positive definite!';
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case 53 %dsge_var_likelihood
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message = 'You are estimating a DSGE-VAR model, but the implied covariance matrix of the VAR''s innovations, based on the artificial sample, is not positive definite!';
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case 55
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message = 'Fast Kalman filter only works with stationary models [lik_init=1] or stationary observables for non-stationary models [lik_init=3]';
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case 61 %Discretionary policy
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message = 'Discretionary policy: maximum number of iterations has been reached. Procedure failed.';
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case 62
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message = 'Discretionary policy: some eigenvalues greater than options_.qz_criterium. Model potentially unstable.';
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case 63
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message = 'Discretionary policy: NaN elements are present in the solution. Procedure failed.';
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case 64
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message = 'discretionary_policy: the derivatives of the objective function contain NaN.';
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case 65
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message = 'discretionary_policy: the model must be written in deviation form and not have constant terms or an analytical steady state meeds to be provided.';
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case 66
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message = 'discretionary_policy: the objective function must have zero first order derivatives.';
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case 71
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message = 'Calibrated covariance of the structural errors implies correlation larger than +-1.';
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case 72
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message = 'Calibrated covariance of the measurement errors implies correlation larger than +-1.';
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% Aim Code Conversions by convertAimCodeToInfo.m
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case 81
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message = ['Ramsey: The solution to the static first order conditions for optimal policy could not be found. Either the model' ...
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' doesn''t have a steady state, there are an infinity of steady states, ' ...
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' or the guess values are too far from the solution'];
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case 82
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message = 'Ramsey: The steady state computation resulted in NaN in the static first order conditions for optimal policy';
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case 83
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message = 'Ramsey: The steady state computation resulted in NaN in the auxiliary equations for optimal policy';
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case 84
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message = 'Ramsey: The steady state file computation for the Ramsey problem resulted in NaNs at the initial values of the instruments';
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case 85
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message = 'Ramsey: The steady state file does not solve the static first order conditions conditional on the instruments.';
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case 86
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message = 'Ramsey: The steady state file provides complex numbers conditional on the instruments.';
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case 87
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message = 'Ramsey: The maximum number of iterations has been reached. Try increasing maxit.';
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case 102
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message = 'Aim: roots not correctly computed by real_schur';
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case 103
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message = 'Aim: too many explosive roots: no stable equilibrium';
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case 135
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message = 'Aim: too many explosive roots, and q(:,right) is singular';
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case 104
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message = 'Aim: too few explosive roots: indeterminacy';
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case 145
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message = 'Aim: too few explosive roots, and q(:,right) is singular';
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case 105
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message = 'Aim: q(:,right) is singular';
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case 161
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message = 'Aim: too many exact shiftrights';
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case 162
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message = 'Aim: too many numeric shiftrights';
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case 163
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message = 'Aim: A is NAN or INF.';
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case 164
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message = 'Aim: Problem in SPEIG.';
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case 180
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message = 'SMM: simulation resulted in NaN/Inf. You may need to enable pruning.';
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case 181
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message = 'IRF Matching: simulated IRFs were explosive. Either reduce the shock size, use pruning, or set the approximation order to 1.';
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case 201
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message = 'Particle Filter: Initial covariance of the states is not positive definite. Try a different nonlinear_filter_initialization';
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case 202
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message = 'Particle Filter: Initial covariance of the states based on simulation resulted in NaN/Inf. Use pruning or try a different nonlinear_filter_initialization';
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case 301
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message = 'IVF: The likelihood is Inf.';
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case 302
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message = 'IVF: The likelihood is NaN.';
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case 303
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message = 'IVF: The residuals are not 0.';
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case 304
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message = 'IVF: The solver returned with an error code.';
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case 305
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message = 'IVF: The returned shocks are bigger than 1e8.';
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case 310
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message = 'Occbin: Simulation terminated with periodic solution (no convergence).';
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case 311
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message = 'Occbin: Simulation did not converge, increase maxit or check_ahead_periods.';
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case 312
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message = 'Occbin: Constraint(s) are binding at the end of the sample.';
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case 313
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message = 'Occbin: Simulation did not converge -- infinite loop of guess regimes';
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case 320
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message = 'Piecewise linear Kalman filter: There was a problem in obtaining the likelihood.';
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case 321
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message = 'Occbin: there was a problem in running the smoother. Simulation within smoother failed.';
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case 322
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message = 'Occbin: smoother did not converge.';
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case 401
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message = 'Cycle reduction reached the iteration limit. Try increasing maxit.';
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case 402
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message = 'Cycle reduction terminated with NaN/Inf.';
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case 403
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message = 'Cycle reduction converged to a solution that does not solve the matrix equation.';
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case 411
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message = 'Logarithmic reduction reached the iteration limit. Try increasing maxit.';
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case 412
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message = 'Logarithmic reduction terminated with NaN/Inf.';
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case 413
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message = 'Logarithmic reduction converged to a solution that does not solve the matrix equation.';
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otherwise
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message = 'This case shouldn''t happen. Contact the authors of Dynare';
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end |