Typedef derived shared_ptr

src/constraint_fix.h

@@ -11,6 +11,8 @@ namespace wolf {
 
 class ConstraintFix: public ConstraintSparse<3,2,1>
 {
+    public:
+        typedef std::shared_ptr<ConstraintFix> Ptr;
     public:
 //        static const unsigned int N_BLOCKS = 2;
 

src/sensor_odom_2D.h

@@ -15,6 +15,8 @@ struct IntrinsicsOdom2D : public IntrinsicsBase
 
 class SensorOdom2D : public SensorBase
 {
+    public:
+        typedef std::shared_ptr<SensorOdom2D> Ptr;
 
     protected:
         Scalar k_disp_to_disp_; ///< ratio of displacement variance to displacement, for odometry noise calculation