message: Enable BoundingBox::clear() on device
diff: @@ -113,6 +113,7 @@ public:
  * \brief Resets the bounds to those of the default constructor
  * \note This invalidates the bounding box (i.e. isValid() will be false)
  */
  + AXOM_HOST_DEVICE
  void clear();
  /*!
  @@ -551,8 +552,8 @@ void BoundingBox<T, NDIMS>::checkAndFixBounds()
  template <typename T, int NDIMS>
  void BoundingBox<T, NDIMS>::clear()
  {
  - m_min = PointType(std::numeric_limits<T>::max());
  - m_max = PointType(std::numeric_limits<T>::lowest());
  + m_min = PointType(InvalidMin);
  + m_max = PointType(InvalidMax);
  }
  //------------------------------------------------------------------------------
  