From 7e838447153649ebfdd856e074deeffab35d106d Mon Sep 17 00:00:00 2001
From: Richard Roberts <richard.jw.roberts@gmail.com>
Date: Sat, 30 Jun 2012 01:44:16 +0000
Subject: [PATCH] Added missing serialization headers

---
 gtsam/linear/NoiseModel.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gtsam/linear/NoiseModel.h b/gtsam/linear/NoiseModel.h
index c67828822..36fe3cd26 100644
--- a/gtsam/linear/NoiseModel.h
+++ b/gtsam/linear/NoiseModel.h
@@ -19,6 +19,8 @@
 #pragma once
 
 #include <boost/serialization/nvp.hpp>
+#include <boost/serialization/shared_ptr.hpp>
+#include <boost/serialization/optional.hpp>
 #include <gtsam/base/Matrix.h>
 #include <cmath>