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Preprocessor: fix crash when mean or stderr of an estimated parameter is specified as an expression instead of a plain value (bug introduced in 28d30d9a62)

time-shift
Sébastien Villemot 2010-09-16 15:37:09 +02:00
parent 9cf9df4b63
commit c3608b9ba7
1 changed files with 12 additions and 4 deletions
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16
preprocessor/ComputingTasks.cc
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@ -362,12 +362,20 @@ EstimatedParamsStatement::checkPass(ModFileStructure &mod_file_struct)
if (it->name == "dsge_prior_weight")
mod_file_struct.dsge_prior_weight_in_estimated_params = true;
// Handle case of degenerate beta prior
if (it->prior == "1") //BETA_PDF is associated with "1" in DynareBison.yy
if (dynamic_cast<NumConstNode *>(it->mean)->isNumConstNodeEqualTo(0.5) &&
dynamic_cast<NumConstNode *>(it->std)->isNumConstNodeEqualTo(0.5))
try
{
cerr << "ERROR: The prior density is not defined for the beta distribution when the mean = standard deviation = 0.5." << endl;
exit(EXIT_FAILURE);
if (it->mean->eval(eval_context_type()) == 0.5 &&
it->std->eval(eval_context_type()) == 0.5)
{
cerr << "ERROR: The prior density is not defined for the beta distribution when the mean = standard deviation = 0.5." << endl;
exit(EXIT_FAILURE);
}
}
catch (ExprNode::EvalException &e)
{
// We don't have enough information to compute the numerical value, skip the test
}
}
}