From b274fd471646c1a6bf17e06d57ce09d7081eeb75 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Adjemian=28Charybdis=29?=
 <stephane.adjemian@univ-lemans.fr>
Date: Wed, 15 Nov 2017 15:01:34 +0100
Subject: [PATCH] Fixed test on M_.Sigma_e (backward model irf routine).

(cherry picked from commit dc670e01998289165a23c14f2ab61c29194a34bf)
---
 matlab/backward/backward_model_irf.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/matlab/backward/backward_model_irf.m b/matlab/backward/backward_model_irf.m
index 969989090..2f17b3d95 100644
--- a/matlab/backward/backward_model_irf.m
+++ b/matlab/backward/backward_model_irf.m
@@ -120,7 +120,7 @@ end
 
 % Get the covariance matrix of the shocks.
 if ~deterministicshockflag
-    if ~nnz(M_.Sigma_e)
+    if nnz(M_.Sigma_e)
         Sigma = M_.Sigma_e + 1e-14*eye(M_.exo_nbr);
         sigma = transpose(chol(Sigma));
     else