From 75440028ebe26a31ec8e34dd657fc7990529ceec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Villemot?= <sebastien.villemot@ens.fr>
Date: Thu, 16 Sep 2010 15:37:09 +0200
Subject: [PATCH] Preprocessor: fix crash when mean or stderr of an estimated
parameter is specified as an expression instead of a plain value (bug
introduced in 28d30d9a626a8d7be0866038924bfc52a935ee27)
---
ComputingTasks.cc | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/ComputingTasks.cc b/ComputingTasks.cc
index 8030fe59..483b3d89 100644
--- a/ComputingTasks.cc
+++ b/ComputingTasks.cc
@@ -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
}
}
}
--
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