TMatBuilder Class Reference

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()

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

build() [1/3]

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.

build() [2/3]

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

virtual

See also

build but with user defined matrix format matformat

build() [3/3]

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

virtual

See also

build but with user defined matrix format matformat

set_build_ghosts()

void set_build_ghosts ( const bool  b )

inline

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