Removed the use of the ADD_CLONE_NONLINEAR_FACTOR macro, documented instances of clone() in factors

examples/LocalizationExample2.cpp

@@ -47,8 +47,6 @@ public:
     if (H) (*H) = Matrix_(2,3, 1.0,0.0,0.0, 0.0,1.0,0.0);
     return Vector_(2, q.x() - mx_, q.y() - my_);
   }
-
-  ADD_CLONE_NONLINEAR_FACTOR(UnaryFactor)
 };
 
 /**

gtsam/nonlinear/NonlinearEquality.h

@@ -161,7 +161,10 @@ namespace gtsam {
 			return GaussianFactor::shared_ptr(new JacobianFactor(ordering[this->key()], A, b, model));
 		}
 
-		ADD_CLONE_NONLINEAR_FACTOR(This)
+		/// @return a deep copy of this factor
+    virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+		  return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+		      gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
 		/// @}
 
@@ -212,7 +215,10 @@ namespace gtsam {
 
 		virtual ~NonlinearEquality1() {}
 
-		ADD_CLONE_NONLINEAR_FACTOR(This)
+		/// @return a deep copy of this factor
+    virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+		  return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+		      gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
 		/** g(x) with optional derivative */
 		Vector evaluateError(const X& x1, boost::optional<Matrix&> H = boost::none) const {
@@ -269,7 +275,10 @@ namespace gtsam {
 			: Base(noiseModel::Constrained::All(X::Dim(), fabs(mu)), key1, key2) {}
 		virtual ~NonlinearEquality2() {}
 
-		ADD_CLONE_NONLINEAR_FACTOR(This)
+		/// @return a deep copy of this factor
+		virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+		  return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+		      gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
 		/** g(x) with optional derivative2 */
 		Vector evaluateError(const X& x1, const X& x2,

gtsam/nonlinear/NonlinearFactor.h

@@ -36,6 +36,7 @@
 
 /**
  * Macro to add a standard clone function to a derived factor
+ * @DEPRECIATED: will go away shortly - just add the clone function directly
  */
 #define ADD_CLONE_NONLINEAR_FACTOR(Derived) \
   virtual gtsam::NonlinearFactor::shared_ptr clone() const { \

gtsam/nonlinear/WhiteNoiseFactor.h

@@ -163,7 +163,10 @@ namespace gtsam {
 			return linearize(z_, u, p, j1, j2);
 		}
 
-		ADD_CLONE_NONLINEAR_FACTOR(This)
+		/// @return a deep copy of this factor
+    virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+		  return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+		      gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
 		/// @}
 

gtsam/slam/AntiFactor.h

@@ -50,7 +50,10 @@ namespace gtsam {
 
 		virtual ~AntiFactor() {}
 
-		ADD_CLONE_NONLINEAR_FACTOR(This)
+		/// @return a deep copy of this factor
+    virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+		  return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+		      gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
 		/** implement functions needed for Testable */
 

gtsam/slam/BearingFactor.h

@@ -55,7 +55,10 @@ namespace gtsam {
 
 		virtual ~BearingFactor() {}
 
-		ADD_CLONE_NONLINEAR_FACTOR(This)
+		/// @return a deep copy of this factor
+    virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+		  return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+		      gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
 		/** h(x)-z -> between(z,h(x)) for Rot2 manifold */
 		Vector evaluateError(const Pose& pose, const Point& point,

gtsam/slam/BearingRangeFactor.h

@@ -57,7 +57,10 @@ namespace gtsam {
 
 		virtual ~BearingRangeFactor() {}
 
-		ADD_CLONE_NONLINEAR_FACTOR(This)
+		/// @return a deep copy of this factor
+    virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+		  return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+		      gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
 	  /** Print */
 	  virtual void print(const std::string& s = "", const KeyFormatter& keyFormatter = DefaultKeyFormatter) const {

gtsam/slam/BetweenFactor.h

@@ -62,7 +62,10 @@ namespace gtsam {
 
 		virtual ~BetweenFactor() {}
 
-		ADD_CLONE_NONLINEAR_FACTOR(This)
+		/// @return a deep copy of this factor
+    virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+		  return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+		      gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
 		/** implement functions needed for Testable */
 

gtsam/slam/GeneralSFMFactor.h

@@ -62,7 +62,10 @@ namespace gtsam {
 
 		virtual ~GeneralSFMFactor() {} ///< destructor
 
-		ADD_CLONE_NONLINEAR_FACTOR(This)
+		/// @return a deep copy of this factor
+    virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+		  return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+		      gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
 		/**
 		 * print

gtsam/slam/PartialPriorFactor.h

@@ -87,7 +87,10 @@ namespace gtsam {
 			this->fillH();
 		}
 
-		ADD_CLONE_NONLINEAR_FACTOR(This)
+		/// @return a deep copy of this factor
+    virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+		  return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+		      gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
 		/** implement functions needed for Testable */
 

gtsam/slam/PriorFactor.h

@@ -56,7 +56,10 @@ namespace gtsam {
 			Base(model, key), prior_(prior) {
 		}
 
-		ADD_CLONE_NONLINEAR_FACTOR(This)
+		/// @return a deep copy of this factor
+    virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+		  return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+		      gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
 		/** implement functions needed for Testable */
 

gtsam/slam/ProjectionFactor.h

@@ -70,7 +70,10 @@ namespace gtsam {
 		/** Virtual destructor */
 		virtual ~GenericProjectionFactor() {}
 
-		ADD_CLONE_NONLINEAR_FACTOR(This)
+		/// @return a deep copy of this factor
+    virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+		  return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+		      gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
 		/**
 		 * print

gtsam/slam/RangeFactor.h

@@ -51,7 +51,10 @@ namespace gtsam {
 
 		virtual ~RangeFactor() {}
 
-		ADD_CLONE_NONLINEAR_FACTOR(This)
+		/// @return a deep copy of this factor
+    virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+		  return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+		      gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
 		/** h(x)-z */
 		Vector evaluateError(const Pose& pose, const Point& point, boost::optional<Matrix&> H1, boost::optional<Matrix&> H2) const {

gtsam/slam/StereoFactor.h

@@ -57,7 +57,10 @@ public:
 
 	virtual ~GenericStereoFactor() {}  ///< Virtual destructor
 
-	ADD_CLONE_NONLINEAR_FACTOR(This)
+	/// @return a deep copy of this factor
+	virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+		return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+				gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
 	/**
 	 * print

gtsam_unstable/dynamics/FullIMUFactor.h

@@ -51,7 +51,10 @@ public:
 
 	virtual ~FullIMUFactor() {}
 
-	ADD_CLONE_NONLINEAR_FACTOR(This)
+	/// @return a deep copy of this factor
+	virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+		return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+				gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
 	/** Check if two factors are equal */
 	virtual bool equals(const NonlinearFactor& e, double tol = 1e-9) const {

gtsam_unstable/dynamics/IMUFactor.h

@@ -44,7 +44,10 @@ public:
 
 	virtual ~IMUFactor() {}
 
-	ADD_CLONE_NONLINEAR_FACTOR(This)
+	/// @return a deep copy of this factor
+	virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+		return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+				gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
 	/** Check if two factors are equal */
 	virtual bool equals(const NonlinearFactor& e, double tol = 1e-9) const {

gtsam_unstable/dynamics/VelocityConstraint.h

@@ -72,7 +72,10 @@ public:
 
 	virtual ~VelocityConstraint() {}
 
-	ADD_CLONE_NONLINEAR_FACTOR(VelocityConstraint)
+	/// @return a deep copy of this factor
+	virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+		return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+				gtsam::NonlinearFactor::shared_ptr(new VelocityConstraint(*this))); }
 
 	/**
 	 * Calculates the error for trapezoidal model given

gtsam_unstable/nonlinear/LinearizedFactor.h

@@ -59,7 +59,10 @@ public:
 
 	virtual ~LinearizedFactor() {}
 
-	ADD_CLONE_NONLINEAR_FACTOR(This);
+	/// @return a deep copy of this factor
+	virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+		return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+				gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
 	/**
 	 * Use this constructor with pre-constructed decoders

tests/simulated2D.h

@@ -135,7 +135,10 @@ namespace simulated2D {
 
     virtual ~GenericPrior() {}
 
-    ADD_CLONE_NONLINEAR_FACTOR(This)
+		/// @return a deep copy of this factor
+    virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+		  return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+		      gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
   private:
 
@@ -178,7 +181,10 @@ namespace simulated2D {
 
     virtual ~GenericOdometry() {}
 
-    ADD_CLONE_NONLINEAR_FACTOR(This)
+		/// @return a deep copy of this factor
+    virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+		  return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+		      gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
   private:
 
@@ -222,7 +228,10 @@ namespace simulated2D {
 
     virtual ~GenericMeasurement() {}
 
-    ADD_CLONE_NONLINEAR_FACTOR(This)
+		/// @return a deep copy of this factor
+    virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+		  return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+		      gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
   private:
 

tests/simulated2DConstraints.h

@@ -59,7 +59,10 @@ namespace simulated2D {
 
       virtual ~ScalarCoordConstraint1() {}
 
-      ADD_CLONE_NONLINEAR_FACTOR(This)
+      /// @return a deep copy of this factor
+      virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+      	return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+      			gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
       /**
        * Constructor for constraint
@@ -124,7 +127,10 @@ namespace simulated2D {
 
       virtual ~MaxDistanceConstraint() {}
 
-      ADD_CLONE_NONLINEAR_FACTOR(This)
+      /// @return a deep copy of this factor
+      virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+      	return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+      			gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
       /**
        * Primary constructor for factor
@@ -170,7 +176,10 @@ namespace simulated2D {
 
     	virtual ~MinDistanceConstraint() {}
 
-      ADD_CLONE_NONLINEAR_FACTOR(This)
+    	/// @return a deep copy of this factor
+    	virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+    		return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+    				gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
     	/**
     	 * Primary constructor for factor

tests/simulated2DOriented.h

@@ -118,7 +118,10 @@ namespace simulated2DOriented {
       return measured_.localCoordinates(odo(x1, x2, H1, H2));
     }
 
-    ADD_CLONE_NONLINEAR_FACTOR(This)
+		/// @return a deep copy of this factor
+    virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+		  return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+		      gtsam::NonlinearFactor::shared_ptr(new This(*this))); }
 
   };
 

tests/smallExample.cpp

@@ -210,8 +210,6 @@ namespace example {
 				return (h(x) - z_).vector();
 			}
 
-			ADD_CLONE_NONLINEAR_FACTOR(UnaryFactor)
-
 		};
 
 	}

tests/testExtendedKalmanFilter.cpp

@@ -125,8 +125,6 @@ public:
 
   virtual ~NonlinearMotionModel() {}
 
-  ADD_CLONE_NONLINEAR_FACTOR(This)
-
   // Calculate the next state prediction using the nonlinear function f()
   T f(const T& x_t0) const {
 
@@ -269,8 +267,6 @@ public:
 
   virtual ~NonlinearMeasurementModel() {}
 
-  ADD_CLONE_NONLINEAR_FACTOR(This)
-
   // Calculate the predicted measurement using the nonlinear function h()
   // Byproduct: updates Jacobian H, and noiseModel (R)
   Vector h(const T& x_t1) const {

tests/testNonlinearFactor.cpp

@@ -257,7 +257,9 @@ public:
     return (Vector(1) << x1 + x2 + x3 + x4).finished();
   }
 
-  ADD_CLONE_NONLINEAR_FACTOR(TestFactor4)
+	virtual gtsam::NonlinearFactor::shared_ptr clone() const {
+	  return boost::static_pointer_cast<gtsam::NonlinearFactor>(
+	      gtsam::NonlinearFactor::shared_ptr(new TestFactor4(*this))); }
 };
 
 /* ************************************ */
@@ -305,8 +307,6 @@ public:
     }
     return (Vector(1) << x1 + x2 + x3 + x4 + x5).finished();
   }
-
-  ADD_CLONE_NONLINEAR_FACTOR(TestFactor5)
 };
 
 /* ************************************ */
@@ -360,7 +360,6 @@ public:
     return (Vector(1) << x1 + x2 + x3 + x4 + x5 + x6).finished();
   }
 
-  ADD_CLONE_NONLINEAR_FACTOR(TestFactor6)
 };
 
 /* ************************************ */