include/Discregrid/acceleration/bounding_sphere.hpp
BoundingSphere(const Eigen::Vector3d& a)
	{
		m_x = a;
		m_r = 0.0;
	}
/**
	 * \brief	constructs a sphere for one point (with radius 0)
	 *
	 * \param a	3d coordinates of point a
	 */
\brief       constructs a sphere for one point (with radius 0)
\param a     3d coordinates of point a
\ brief constructs a sphere for one point ( with radius 0 ) \ param a 3d coordinates of point a
BoundingSphere(const Eigen::Vector3d& a)
	{
		m_x = a;
		m_r = 0.0;
	}
BoundingSphere ( const Eigen :: Vector3d & a ) { m_x = a ; m_r = 0.0 ; }
\brief       constructs a sphere for one point (with radius 0)
 \param a     3d coordinates of point a
\ brief constructs a sphere for one point ( with radius 0 ) \ param a 3d coordinates of point a