Base class for building matrices implementing basic management and parallel construction.

#include <TMatBuilder.hh>

Inheritance diagram for TMatBuilder:

Public Member Functions
	TMatBuilder (const bool coarsening=CFG::Arith::coarsen_build)

void	set_coarsening (const bool b)
	(de-) activate coarsening with standard accuracy (default: off)

void	set_coarsening (const TTruncAcc &acc)
	activate coarsening with accuracy acc

void	set_build_ghosts (const bool b)

virtual std::unique_ptr< TMatrix >	build (const TBlockClusterTree bct, const TTruncAcc &acc, TProgressBar progress=nullptr) const
	build the H-matrix with block-wise accuracy defined by acc

virtual std::unique_ptr< TMatrix >	build (const TBlockCluster bc, const TTruncAcc &acc, TProgressBar progress=nullptr) const

virtual std::unique_ptr< TMatrix >	build (const TBlockClusterTree cluster, const matform_t matformat, const TTruncAcc &acc, TProgressBar progress=nullptr) const
	same as More...

virtual std::unique_ptr< TMatrix >	build (const TBlockCluster cluster, const matform_t matformat, const TTruncAcc &acc, TProgressBar progress=nullptr) const
	same as More...

virtual std::unique_ptr< TBlockMatrix >	build_blocked (const TBlockCluster *bc) const
	build blocked matrix

virtual std::unique_ptr< TMatrix >	build_leaf (const TBlockCluster *bc, const matform_t matformat, const TTruncAcc &acc) const =0
	build matrix corresponding to leaves in the block cluster tree

virtual std::unique_ptr< TMatrix >	build_ghost (const TBlockCluster *bc) const =0
	build placeholder matrix for remote blocks

virtual matform_t	matrix_format () const =0
	return matrix format

const stat_t &	statistics () const
	return statistics information

Protected Member Functions
virtual std::unique_ptr< TMatrix >	thr_build (const TBlockCluster bc, const matform_t matformat, const TTruncAcc &acc, TProgressBar progress) const
	threaded building process

Constructor & Destructor Documentation

TMatBuilder ( const bool coarsening = CFG::Arith::coarsen_build )

construct matrix construction object with standard coarsening, e.g. same precision as in block construction

Member Function Documentation

virtual std::unique_ptr< TMatrix > build	(	const TBlockCluster *	bc,
		const TTruncAcc &	acc,
		TProgressBar *	progress = `nullptr`
	)		const

virtual

same as standard

See also: build, but build block matrices for given block cluster without permutations etc.

virtual std::unique_ptr< TMatrix > build	(	const TBlockClusterTree *	cluster,
		const matform_t	matformat,
		const TTruncAcc &	acc,
		TProgressBar *	progress = `nullptr`
	)		const

virtual

virtual std::unique_ptr< TMatrix > build	(	const TBlockCluster *	cluster,
		const matform_t	matformat,
		const TTruncAcc &	acc,
		TProgressBar *	progress = `nullptr`
	)		const

virtual

void set_build_ghosts ( const bool b )

inline

activate/deactivate construction of ghost matrices for non-local matrix blocks (default: off)