Combines binary space partitioning with nested dissection based on connectivity defined by a sparse matrix.

#include <TBSPCTBuilder.hh>

Inheritance diagram for TBSPNDCTBuilder:

Public Member Functions
	TBSPNDCTBuilder (const TSparseMatrix S, const TBSPPartStrat part_strat, const uint n_min=CFG::Cluster::nmin, const uint min_leaf_lvl=0)

	TBSPNDCTBuilder (const TBSPPartStrat *part_strat, const uint n_min=CFG::Cluster::nmin, const uint min_leaf_lvl=0)

void	sync_interface_depth (const bool b)
	set mode for handling interface cluster tree depth, e.g. synchronise with domain clusters

virtual std::unique_ptr< TClusterTree >	build (const TCoordinate *coord, const idx_t idx_ofs=0) const

virtual std::unique_ptr< TClusterTree >	build (const TCoordinate coord, const TSparseMatrix S, const idx_t idx_ofs=0) const

virtual std::unique_ptr< TGeomCluster >	divide (const TNodeSet &dofs, const uint lvl, const TBBox &bbox, const TOptClusterSize &csize, const idx_t index_ofs, data_t &data) const
	recursively build cluster tree

virtual std::unique_ptr< TGeomCluster >	divide_if (const TNodeSet &dofs, const uint lvl, const uint max_lvl, const TBBox &bbox, const TOptClusterSize &csize, const idx_t index_ofs, data_t &data) const
	recursively build cluster tree for interfaces clusters

Public Member Functions inherited from TBSPCTBuilder
	TBSPCTBuilder (const TBSPPartStrat *part_strat, const uint n_min=CFG::Cluster::nmin, const uint min_leaf_lvl=0)
	construct BSP cluster tree builder with partitioning strategy part_strat

virtual	~TBSPCTBuilder ()
	dtor

void	adjust_bb (const bool b)
	set flag for adjusting bounding box

void	sort_wrt_size (const bool b)
	set flag for sorting son cluster wrt. size

Public Member Functions inherited from TGeomCTBuilder
	TGeomCTBuilder (const uint n_min=CFG::Cluster::nmin, const uint min_leaf_lvl=0)
	construct cluster tree builder

Additional Inherited Members
Protected Member Functions inherited from TGeomCTBuilder
virtual std::unique_ptr< TGeomCluster >	build_leaf (const TNodeSet &dofs, const uint lvl, const idx_t index_ofs, const TBBox &bbox, data_t &data) const
	create a leaf in a clustertree containing indices in dofs

virtual TBBox	compute_bb (const TNodeSet &dofs, const data_t &data) const
	compute bounding box of index set defined by dofs

virtual void	update_bb (const TNodeSet &dofs, TBBox &bbox, const data_t &data) const
	update bounding box of index set defined by dofs

virtual void	check_bb (TBBox &bbox, const data_t &data) const
	check and update bbox in case of degenerate axis, e.g. very small length

virtual TBBox	support_size (const node_t node, const bool only_idx, const data_t &data) const
	compute support size for single index

Protected Attributes inherited from TBSPCTBuilder
const TBSPPartStrat *	_part_strat
	type of partitioning strategy

Protected Attributes inherited from TGeomCTBuilder
uint	_n_min
	minimal size of a cluster, i.e. not smaller than this

uint	_min_leaf_lvl
	minimal level on which leaves may occur

bool	_adjust_bb
	flag for adjusting bounding boxes of nodes

bool	_sort_wrt_size
	flag for sorting sub clusters w.r.t. size

Constructor & Destructor Documentation

◆ TBSPNDCTBuilder() [1/2]

TBSPNDCTBuilder	(	const TSparseMatrix *	S,
		const TBSPPartStrat *	part_strat,
		const uint	n_min = `CFG::Cluster::nmin`,
		const uint	min_leaf_lvl = `0`
	)

construct cluster tree with partition strategy defined by part_strat and connectivity defined by S

◆ TBSPNDCTBuilder() [2/2]

TBSPNDCTBuilder	(	const TBSPPartStrat *	part_strat,
		const uint	n_min = `CFG::Cluster::nmin`,
		const uint	min_leaf_lvl = `0`
	)

construct cluster tree with partition strategy defined by part_strat (must use "build( coord, S )")

Member Function Documentation

◆ build() [1/2]

virtual std::unique_ptr< TClusterTree > build	(	const TCoordinate *	coord,
		const idx_t	idx_ofs = `0`
	)		const

virtual

build nested dissection cluster tree out of coordinate set coord and additional connectivity defined by local sparse matrix

Reimplemented from TGeomCTBuilder.

◆ build() [2/2]

virtual std::unique_ptr< TClusterTree > build	(	const TCoordinate *	coord,
		const TSparseMatrix *	S,
		const idx_t	idx_ofs = `0`
	)		const