From b356ca6e6adb0c2c18152388654e7e2a78f7ccd6 Mon Sep 17 00:00:00 2001
From: Yong-Dian Jian <ydjian@gmail.com>
Date: Fri, 5 Oct 2012 16:57:44 +0000
Subject: [PATCH] add a function to retrieve the prior

---
 gtsam/slam/PriorFactor.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gtsam/slam/PriorFactor.h b/gtsam/slam/PriorFactor.h
index c952236fa..888dcb76b 100644
--- a/gtsam/slam/PriorFactor.h
+++ b/gtsam/slam/PriorFactor.h
@@ -86,6 +86,8 @@ namespace gtsam {
       return prior_.localCoordinates(p);
     }
 
+    const VALUE & prior() const { return prior_; }
+
   private:
 
     /** Serialization function */