now using pure virtual functions in target base (instead of ducktyping)

source/RobotAPI/libraries/Controllers/LVL0Controller.h

@@ -50,7 +50,7 @@ namespace armarx
 
         TargetType* getTarget()
         {
-            return target;
+            return & target;
         }
 
         void resetTarget()

source/RobotAPI/libraries/Controllers/Targets/JointPositionTarget.h

@@ -46,11 +46,11 @@ namespace armarx
         {
             return ePositionControl;
         }
-        virtual void reset()
+        virtual void reset() override
         {
             position = ControllerConstatns::ValueNotSetNaN;
         }
-        bool isValid() const
+        virtual bool isValid() const override
         {
             return std::isfinite(position);
         }

source/RobotAPI/libraries/Controllers/Targets/JointPositionVelocityTarget.h

@@ -47,12 +47,12 @@ namespace armarx
         {
             return ePositionVelocityControl;
         }
-        virtual void reset()
+        virtual void reset() override
         {
             position = ControllerConstatns::ValueNotSetNaN;
             velocity = ControllerConstatns::ValueNotSetNaN;
         }
-        bool isValid() const
+        virtual bool isValid() const override
         {
             return std::isfinite(position) && std::isfinite(velocity);
         }

source/RobotAPI/libraries/Controllers/Targets/JointTargetBase.h

@@ -43,6 +43,8 @@ namespace armarx
     {
     public:
         virtual ControlMode getType() const = 0;
+        virtual void reset() = 0;
+        virtual bool isValid() const = 0;
     };
 
 }

source/RobotAPI/libraries/Controllers/Targets/JointTorqueTarget.h

@@ -46,11 +46,11 @@ namespace armarx
         {
             return eTorqueControl;
         }
-        virtual void reset()
+        virtual void reset() override
         {
             torque = ControllerConstatns::ValueNotSetNaN;
         }
-        bool isValid() const
+        virtual bool isValid() const override
         {
             return std::isfinite(torque);
         }

source/RobotAPI/libraries/Controllers/Targets/JointVelocityTarget.h

@@ -46,11 +46,11 @@ namespace armarx
         {
             return eVelocityControl;
         }
-        virtual void reset()
+        virtual void reset() override
         {
             velocity = ControllerConstatns::ValueNotSetNaN;
         }
-        bool isValid() const
+        virtual bool isValid() const override
         {
             return std::isfinite(velocity);
         }