Force Force::operator*(const Orientation& i_orientation) const
 {
   Force result(*this) ;
   result.m_value = i_orientation.getQuaternion()* result.m_value ;
   return result ;
   
 }
    Position Position::operator*(const Orientation& orientation) const
    {
      Position result(*this) ;
      result.m_value = orientation.getQuaternion()*result.m_value ;

      return result ;
    }