From 1816cc3a2ca5a13671ecbf042c5ecc3d69ca790a Mon Sep 17 00:00:00 2001
From: Jing Dong <jdong@gatech.edu>
Date: Wed, 21 Jan 2015 14:05:27 -0500
Subject: [PATCH] comment unused expression to avoid conflicts

---
 gtsam/nonlinear/expressions.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gtsam/nonlinear/expressions.h b/gtsam/nonlinear/expressions.h
index a549517e5..3e4664158 100644
--- a/gtsam/nonlinear/expressions.h
+++ b/gtsam/nonlinear/expressions.h
@@ -18,7 +18,7 @@ Expression<T> between(const Expression<T>& t1, const Expression<T>& t2) {
   return Expression<T>(traits<T>::Between, t1, t2);
 }
 
-typedef Expression<double> double_;
+//typedef Expression<double> double_;
 typedef Expression<Vector3> Vector3_;
 
 } // \namespace gtsam