From eed3651d6eabb616739e9bf880b7ff04647a0770 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Villemot?= <sebastien@dynare.org>
Date: Tue, 15 Jan 2013 16:45:15 +0100
Subject: [PATCH] check only returns eigenvalues, not the whole oo_

---
 matlab/check.m                 | 8 +++-----
 matlab/smm_objective.m         | 2 +-
 preprocessor/ComputingTasks.cc | 2 +-
 3 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/matlab/check.m b/matlab/check.m
index f6a785aa4..d68f7f641 100644
--- a/matlab/check.m
+++ b/matlab/check.m
@@ -1,4 +1,4 @@
-function [oo,result,info] = check(M, options, oo)
+function [eigenvalues_,result,info] = check(M, options, oo)
 % Checks determinacy conditions by computing the generalized eigenvalues.
 
 %@info:
@@ -21,8 +21,8 @@ function [oo,result,info] = check(M, options, oo)
 %! @strong{Outputs}
 %! @sp 1
 %! @table @ @var
-%! @item oo
-%! Matlab's structure gathering the results (initialized by dynare).
+%! @item eigenvalues_
+%! Eigenvalues of the model.
 %! @item result
 %! Integer scalar equal to one (BK conditions are satisfied) or zero (otherwise).
 %! @item info
@@ -72,8 +72,6 @@ oo.dr=set_state_space(oo.dr,M,options);
 
 [dr,info,M,options,oo] = resol(1,M,options,oo);
 
-oo.dr = dr;
-
 if info(1) ~= 0 && info(1) ~= 3 && info(1) ~= 4
     print_info(info, options.noprint);
 end
diff --git a/matlab/smm_objective.m b/matlab/smm_objective.m
index 24adb3c63..030cb98d9 100644
--- a/matlab/smm_objective.m
+++ b/matlab/smm_objective.m
@@ -75,7 +75,7 @@ save('estimated_parameters.mat','xparams');
 
 % Check for local determinacy of the deterministic steady state.
 noprint = options_.noprint; options_.noprint = 1;
-[oo_,local_determinacy_and_stability,info] = check(M_,options_,oo_); options_.noprint = noprint;
+[eigval,local_determinacy_and_stability,info] = check(M_,options_,oo_); options_.noprint = noprint;
 if ~local_determinacy_and_stability
     r = priorObjectiveValue * (1+info(2));
     flag = 0;
diff --git a/preprocessor/ComputingTasks.cc b/preprocessor/ComputingTasks.cc
index 4dbdc4ef7..92a4b7d59 100644
--- a/preprocessor/ComputingTasks.cc
+++ b/preprocessor/ComputingTasks.cc
@@ -59,7 +59,7 @@ void
 CheckStatement::writeOutput(ostream &output, const string &basename) const
 {
   options_list.writeOutput(output);
-  output << "oo_ = check(M_,options_,oo_);" << endl;
+  output << "oo_.dr.eigval = check(M_,options_,oo_);" << endl;
 }
 
 void