fix error type qualifiers ignored on function return type [-Werror=ignored-qualifiers]

src/landmark_base.h

@@ -61,7 +61,7 @@ class LandmarkBase : public NodeBase, public std::enable_shared_from_this<Landma
         // Properties
         unsigned int id();
         void setId(unsigned int _id);
-        const LandmarkType getTypeId() const;
+        LandmarkType getTypeId() const;
 
         // Fix / unfix
         void setStatus(LandmarkStatus _st);
@@ -240,7 +240,7 @@ inline const Eigen::VectorXs& LandmarkBase::getDescriptor() const
     return descriptor_;
 }
 
-inline const LandmarkType LandmarkBase::getTypeId() const
+inline LandmarkType LandmarkBase::getTypeId() const
 {
     return type_id_;
 }

src/processor_motion.h

@@ -100,13 +100,13 @@ class ProcessorMotion : public ProcessorBase
         /** \brief Fills a reference to the state integrated so far
          * \param _x the returned state vector
          */
-        const void getCurrentState(Eigen::VectorXs& _x);
+        void getCurrentState(Eigen::VectorXs& _x);
 
         /** \brief Fills a reference to the state integrated so far and its stamp
          * \param _x the returned state vector
          * \param _ts the returned stamp
          */
-        const void getCurrentState(Eigen::VectorXs& _x, TimeStamp& _ts);
+        void getCurrentState(Eigen::VectorXs& _x, TimeStamp& _ts);
 
         /** \brief Gets a constant reference to the state integrated so far
          * \return the state vector
@@ -700,13 +700,13 @@ inline const Eigen::VectorXs& ProcessorMotion::getCurrentState(TimeStamp& _ts)
     return x_;
 }
 
-inline const void ProcessorMotion::getCurrentState(Eigen::VectorXs& _x)
+inline void ProcessorMotion::getCurrentState(Eigen::VectorXs& _x)
 {
     Scalar Dt = getBuffer().get().back().ts_ - origin_ptr_->getTimeStamp();
     xPlusDelta(origin_ptr_->getFramePtr()->getState(), getBuffer().get().back().delta_integr_, Dt, _x);
 }
 
-inline const void ProcessorMotion::getCurrentState(Eigen::VectorXs& _x, TimeStamp& _ts)
+inline void ProcessorMotion::getCurrentState(Eigen::VectorXs& _x, TimeStamp& _ts)
 {
     getCurrentState(_x);
     _ts = getBuffer().get().back().ts_;

src/processor_tracker.h

@@ -85,7 +85,7 @@ class ProcessorTracker : public ProcessorBase
         virtual void process(CaptureBasePtr const _incoming_ptr);
 
         void setMaxNewFeatures(const unsigned int& _max_new_features);
-        const unsigned int getMaxNewFeatures();
+        unsigned int getMaxNewFeatures();
 
         virtual bool keyFrameCallback(FrameBasePtr _keyframe_ptr, const Scalar& _time_tol_other);
 
@@ -195,7 +195,7 @@ inline void ProcessorTracker::setMaxNewFeatures(const unsigned int& _max_new_fea
     max_new_features_ = _max_new_features;
 }
 
-inline const unsigned int ProcessorTracker::getMaxNewFeatures()
+inline unsigned int ProcessorTracker::getMaxNewFeatures()
 {
     return max_new_features_;
 }