From 2a048a487c02ee420e20a0082abb8cb411b562bc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Adjemian=20=28Charybdis=29?=
 <stepan@adjemian.eu>
Date: Sat, 29 Feb 2020 09:54:18 +0100
Subject: [PATCH] Throw an error if mh_tune_guess is used without
 mh_tune_jscale.

---
 src/ComputingTasks.cc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/ComputingTasks.cc b/src/ComputingTasks.cc
index 8f5c5a54..11682d52 100644
--- a/src/ComputingTasks.cc
+++ b/src/ComputingTasks.cc
@@ -1222,6 +1222,13 @@ EstimationStatement::checkPass(ModFileStructure &mod_file_struct, WarningConsoli
       exit(EXIT_FAILURE);
     }
 
+  if (options_list.num_options.find("mh_tune_jscale.guess") != options_list.num_options.end()
+      && options_list.num_options.find("mh_tune_jscale.target") == options_list.num_options.end())
+    {
+      cerr << "ERROR: The option mh_tune_guess in estimation statement cannot be used without option mh_tune_jscale." << endl;
+      exit(EXIT_FAILURE);
+    }
+
   /* Check that we are not trying to estimate a parameter appearing in the
      planner discount factor (see dynare#1173) */
   vector<int> estimated_params_in_planner_discount;