From 390842e1f7a4734bf694f0d534f121decbb633a4 Mon Sep 17 00:00:00 2001
From: dellaert <dellaert@cc.gatech.edu>
Date: Wed, 8 Oct 2014 13:58:15 +0200
Subject: [PATCH] Put Trace in front

---
 gtsam_unstable/nonlinear/Expression-inl.h | 40 +++++++++++------------
 1 file changed, 20 insertions(+), 20 deletions(-)

diff --git a/gtsam_unstable/nonlinear/Expression-inl.h b/gtsam_unstable/nonlinear/Expression-inl.h
index 06405579e..28f969588 100644
--- a/gtsam_unstable/nonlinear/Expression-inl.h
+++ b/gtsam_unstable/nonlinear/Expression-inl.h
@@ -31,6 +31,26 @@ class Expression;
 
 typedef std::map<Key, Matrix> JacobianMap;
 
+//-----------------------------------------------------------------------------
+struct JacobianTrace {
+  virtual ~JacobianTrace() {
+  }
+  virtual void reverseAD(JacobianMap& jacobians) const = 0;
+  virtual void reverseAD(const Matrix& dFdT, JacobianMap& jacobians) const = 0;
+//  template<class JacobianFT>
+//  void reverseAD(const JacobianFT& dFdT, JacobianMap& jacobians) const {
+};
+
+typedef JacobianTrace* TracePtr;
+
+//template <class Derived>
+//struct TypedTrace {
+//  virtual void reverseAD(JacobianMap& jacobians) const = 0;
+//  virtual void reverseAD(const Matrix& dFdT, JacobianMap& jacobians) const = 0;
+////  template<class JacobianFT>
+////  void reverseAD(const JacobianFT& dFdT, JacobianMap& jacobians) const {
+//};
+
 //-----------------------------------------------------------------------------
 /**
  * Value and Jacobians
@@ -134,26 +154,6 @@ public:
   }
 };
 
-//-----------------------------------------------------------------------------
-struct JacobianTrace {
-  virtual ~JacobianTrace() {
-  }
-  virtual void reverseAD(JacobianMap& jacobians) const = 0;
-  virtual void reverseAD(const Matrix& dFdT, JacobianMap& jacobians) const = 0;
-//  template<class JacobianFT>
-//  void reverseAD(const JacobianFT& dFdT, JacobianMap& jacobians) const {
-};
-
-typedef JacobianTrace* TracePtr;
-
-//template <class Derived>
-//struct TypedTrace {
-//  virtual void reverseAD(JacobianMap& jacobians) const = 0;
-//  virtual void reverseAD(const Matrix& dFdT, JacobianMap& jacobians) const = 0;
-////  template<class JacobianFT>
-////  void reverseAD(const JacobianFT& dFdT, JacobianMap& jacobians) const {
-//};
-
 //-----------------------------------------------------------------------------
 /**
  * Expression node. The superclass for objects that do the heavy lifting