From cea76a28481bbcf624f2b77e0a98e7e7a2ced57c Mon Sep 17 00:00:00 2001
From: Andrew Melim <Andrew.Melim@gatech.edu>
Date: Mon, 8 Dec 2014 21:48:59 -0500
Subject: [PATCH] More template handholding for windows

---
 gtsam_unstable/slam/expressions.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gtsam_unstable/slam/expressions.h b/gtsam_unstable/slam/expressions.h
index 009be46a1..55f9093ce 100644
--- a/gtsam_unstable/slam/expressions.h
+++ b/gtsam_unstable/slam/expressions.h
@@ -62,7 +62,11 @@ Point2_ project3(const Pose3_& x, const Point3_& p, const Cal3_S2_& K) {
 
 template<class CAL>
 Point2_ uncalibrate(const Expression<CAL>& K, const Point2_& xy_hat) {
-  return Point2_(K, &CAL::uncalibrate, xy_hat);
+  Point2(CAL::*uncal)(const Point2& p,
+    boost::optional<Matrix25&> Dpose,
+    boost::optional<Matrix2&> Dpoint) const = &CAL::uncalibrate;
+
+  return Point2_(K, uncal, xy_hat);
 }
 
 } // \namespace gtsam