From ea61c9d6193daf1eda10da7075cde09c33ba46a6 Mon Sep 17 00:00:00 2001
From: Alex Cunningham <alexgcunningham@gmail.com>
Date: Wed, 8 Dec 2010 17:25:55 +0000
Subject: [PATCH] Fixed missing key in serialization function for
 NonlinearFactor3

---
 gtsam/nonlinear/NonlinearFactor.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gtsam/nonlinear/NonlinearFactor.h b/gtsam/nonlinear/NonlinearFactor.h
index cd36d4305..a5f06a090 100644
--- a/gtsam/nonlinear/NonlinearFactor.h
+++ b/gtsam/nonlinear/NonlinearFactor.h
@@ -572,6 +572,7 @@ namespace gtsam {
           boost::serialization::base_object<NonlinearFactor>(*this));
       ar & BOOST_SERIALIZATION_NVP(key1_);
       ar & BOOST_SERIALIZATION_NVP(key2_);
+      ar & BOOST_SERIALIZATION_NVP(key3_);
     }
 
   };