From 491fd91af69a414f468811d056304ee80788c3d5 Mon Sep 17 00:00:00 2001
From: dellaert <dellaert@cc.gatech.edu>
Date: Sat, 6 Dec 2014 14:28:39 +0100
Subject: [PATCH] Fixed compile problem.

---
 gtsam/geometry/Cyclic.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gtsam/geometry/Cyclic.h b/gtsam/geometry/Cyclic.h
index 85602d12d..71c7cbc4a 100644
--- a/gtsam/geometry/Cyclic.h
+++ b/gtsam/geometry/Cyclic.h
@@ -74,10 +74,13 @@ namespace traits {
 
 /// Define the trait that specifies Cyclic's identity element
 template<size_t N> struct identity<Cyclic<N> > {
-  static const Cyclic<N> value = Cyclic<N>(0);
+  static const Cyclic<N> value;
   typedef Cyclic<N> value_type;
 };
 
+template<size_t N>
+const Cyclic<N> identity<Cyclic<N> >::value = Cyclic<N>(0);
+
 /// Define the trait that asserts Cyclic is an additive group
 template<size_t N> struct flavor<Cyclic<N> > {
   typedef additive_tag type;