From f25371bf6a2fe9a0926ca12789d452fc498fda1b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Adjemian=20=28Charybdis=29?=
 <stephane.adjemian@ens.fr>
Date: Wed, 5 May 2010 15:34:24 +0200
Subject: [PATCH] Bug fix. Variables INFO or info may be matlab's structure
 (isnan cannot be applied on a structure).

---
 matlab/extended_path.m   | 2 +-
 matlab/homotopic_steps.m | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/matlab/extended_path.m b/matlab/extended_path.m
index ea4e424cb..73c3cc3ec 100644
--- a/matlab/extended_path.m
+++ b/matlab/extended_path.m
@@ -124,7 +124,7 @@ while (t<=sample_size)
             norme
             INFO
         end
-        if isnan(INFO)
+        if ~isstruct(INFO) && isnan(INFO)
             t = t-1;
             new_draw = 0;
         else
diff --git a/matlab/homotopic_steps.m b/matlab/homotopic_steps.m
index 22d71d06f..aa798e8fd 100644
--- a/matlab/homotopic_steps.m
+++ b/matlab/homotopic_steps.m
@@ -45,7 +45,7 @@ end
 if reduce_step
     step=step/1.5;
     [info,number_of_calls] = homotopic_steps(tdx,positive_var_indx,shocks,old_weight,step,init,number_of_calls);
-    if ~isnan(info)
+    if isstruct(info) && ~isnan(info.error)
         time = time+info.time;
         return
     else