WIP: Resolve "Fixing and improving QR manager"

Closes #295

include/core/ceres_wrapper/qr_manager.h

@@ -36,23 +36,23 @@ class QRManager : public SolverManager
 
         virtual std::string solve(const unsigned int& _report_level);
 
-        virtual void computeCovariances(CovarianceBlocksToBeComputed _blocks = CovarianceBlocksToBeComputed::ROBOT_LANDMARKS);
+        virtual void computeCovariances(CovarianceBlocksToBeComputed _blocks = CovarianceBlocksToBeComputed::ROBOT_LANDMARKS) override;
 
-        virtual void computeCovariances(const std::vector<StateBlockPtr>& _sb_list);
+        virtual void computeCovariances(const std::vector<StateBlockPtr>& _sb_list) override;
 
     private:
 
         bool computeDecomposition();
 
-        virtual void addFactor(FactorBasePtr _fac_ptr);
+        virtual void addFactor(const FactorBasePtr& _fac_ptr) override;
 
-        virtual void removeFactor(FactorBasePtr _fac_ptr);
+        virtual void removeFactor(const FactorBasePtr& _fac_ptr) override;
 
-        virtual void addStateBlock(StateBlockPtr _st_ptr);
+        virtual void addStateBlock(const StateBlockPtr& _st_ptr) override;
 
-        virtual void removeStateBlock(StateBlockPtr _st_ptr);
+        virtual void removeStateBlock(const StateBlockPtr& _st_ptr) override;
 
-        virtual void updateStateBlockStatus(StateBlockPtr _st_ptr);
+        virtual void updateStateBlockStatus(const StateBlockPtr& _st_ptr) override;
 
         void relinearizeFactor(FactorBasePtr _fac_ptr);
 };