Static Public Member Functions
static bool	within (const point_t &origin, const point_t &center, element_t r1)

static bool	within_square (const point_t &origin, const point_t &center, const element_t &r1, const element_t &r2)
	Return true if dist^2 < radius^2.

static bool	within_box (const point_t &min, const point_t &max, const point_t &origin)

static bool	intersects_box_box (const point_t &min_b1, const point_t &max_b1, const point_t &min_b2, const point_t &max_b2)
	Intersection between two boxes defined by there min and max bound.

static bool	intersects_sphere_sphere (const point_t &c1, const element_t r1, const point_t &c2, const element_t r2)
	Intersection of two spheres based on center and radius.

static bool	intersects_sphere_box (const point_t &min, const point_t &max, const point_t &c, const element_t &r)

static bool	box_MAC (const point_t &position_source, const point_t &position_sink, const point_t &box_source_min, const point_t &box_source_max, double macangle)

Static Public Attributes
static constexpr element_t	tol
	Tolerance for the computations. More...

Member Function Documentation

◆ box_MAC()

template<typename T >

static bool flecsi::topo::ntree_geometry< T, 3 >::box_MAC	(	const point_t &	position_source,
		const point_t &	position_sink,
		const point_t &	box_source_min,
		const point_t &	box_source_max,
		double	macangle
	)

inlinestatic

Multipole method acceptance based on MAC. The angle === l/r < MAC (l source box width, r distance sink -> source) Barnes & Hut 1986

template<typename T >

static bool flecsi::topo::ntree_geometry< T, 3 >::intersects_sphere_box	(	const point_t &	min,
		const point_t &	max,
		const point_t &	c,
		const element_t &	r
	)

inlinestatic

Intersection of sphere and box; Compute the closest point from the rectangle to the sphere and this distance less than sphere radius

template<typename T >

static bool flecsi::topo::ntree_geometry< T, 3 >::within	(	const point_t &	origin,
		const point_t &	center,
		element_t	r1
	)

inlinestatic

Return true if point origin lies within the spheroid centered at center with radius.

template<typename T >

static bool flecsi::topo::ntree_geometry< T, 3 >::within_box	(	const point_t &	min,
		const point_t &	max,
		const point_t &	origin
	)

inlinestatic

Return true if point origin lies within the box specified by min/max point.

template<typename T >

constexpr element_t flecsi::topo::ntree_geometry< T, 3 >::tol

static

Initial value:

=

std::numeric_limits<element_t>::epsilon() * 10.

Tolerance for the computations.

The documentation for this struct was generated from the following file: