From a51b4bb7ab6277c80b7fc594dc45af0dac303e24 Mon Sep 17 00:00:00 2001
From: dellaert <dellaert@cc.gatech.edu>
Date: Sun, 15 Nov 2015 16:37:54 -0800
Subject: [PATCH] Reverted change

---
 gtsam/slam/expressions.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gtsam/slam/expressions.h b/gtsam/slam/expressions.h
index e23aa334b..e81c76bd6 100644
--- a/gtsam/slam/expressions.h
+++ b/gtsam/slam/expressions.h
@@ -47,12 +47,12 @@ typedef Expression<Cal3Bundler> Cal3Bundler_;
 
 /// Expression version of PinholeBase::Project
 inline Point2_ project(const Point3_& p_cam) {
-  Point2_::UnaryFunction<Point3>::type f = &PinholeBase::Project;
+  Point2 (*f)(const Point3&, OptionalJacobian<2, 3>) = &PinholeBase::Project;
   return Point2_(f, p_cam);
 }
 
 inline Point2_ project(const Unit3_& p_cam) {
-  Point2_::UnaryFunction<Unit3>::type f = &PinholeBase::Project;
+  Point2 (*f)(const Unit3&, OptionalJacobian<2, 2>) = &PinholeBase::Project;
   return Point2_(f, p_cam);
 }