HLIBpro  3.0
TBSPNDCTBuilder Class Reference

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

#include <TBSPCTBuilder.hh>

Inheritance diagram for TBSPNDCTBuilder:
TBSPCTBuilder TGeomCTBuilder

Public Member Functions

 TBSPNDCTBuilder (any_const_sparse_matrix_t 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< TClusterTreebuild (const TCoordinate *coord, const idx_t idx_ofs=0) const
 
virtual std::unique_ptr< TClusterTreebuild (const TCoordinate *coord, any_const_sparse_matrix_t S, const idx_t idx_ofs=0) const
 
virtual std::unique_ptr< TGeomClusterdivide (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< TGeomClusterdivide_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
 
- Public Member Functions inherited from TGeomCTBuilder
 TGeomCTBuilder (const uint n_min=CFG::Cluster::nmin, const uint min_leaf_lvl=0)
 construct cluster tree builder
 
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
 

Additional Inherited Members

- Protected Member Functions inherited from TGeomCTBuilder
virtual std::unique_ptr< TGeomClusterbuild_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
 
- 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 ( any_const_sparse_matrix_t  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,
any_const_sparse_matrix_t  S,
const idx_t  idx_ofs = 0 
) const
virtual

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

◆ build() [2/2]

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.