#include "h2matrix.h"
#include "hmatrix.h"
#include "truncation.h"

Data Structures
struct	_truncblock
	Description of basis and weights for one submatrix in the unification algorithm. More...

Typedefs
typedef struct _truncblock	truncblock
	Cluster basis and weights for use in the unification algorithm.

typedef truncblock *	ptruncblock
	Pointer to truncblock object.

Functions
ph2matrix	compress_amatrix_h2matrix (pcamatrix G, pcblock b, pctruncmode tm, real eps)
	Approximate a matrix, represented by an amatrix object, by an $\mathcal{H}^2$ -matrix. More...

ph2matrix	compress_hmatrix_h2matrix (pchmatrix G, pctruncmode tm, real eps)
	Approximate a hierarchical matrix, represented by an hmatrix object, by an $\mathcal{H}^2$ -matrix. More...

ph2matrix	compress_h2matrix_h2matrix (pch2matrix G, bool rbortho, bool cbortho, pctruncmode tm, real eps)
	Approximate an $\mathcal{H}^2$ -matrix, represented by an h2matrix object, by a recompressed $\mathcal{H}^2$ -matrix. More...

ph2matrix	compress_symmetric_h2matrix_h2matrix (pch2matrix G, bool rbortho, pctruncmode tm, real eps)
	Approximate a symmetric $\mathcal{H}^2$ -matrix, represented by an h2matrix object, by a recompressed $\mathcal{H}^2$ -matrix. More...

void	rowweights_h2matrix (pch2matrix G, pcclusteroperator rbw, pcclusteroperator cbw, pctruncmode tm, pclusteroperator rlw)
	Prepare local row weights for a given $\mathcal{H}^2$ -matrix. More...

void	colweights_h2matrix (pch2matrix G, pcclusteroperator rbw, pcclusteroperator cbw, pctruncmode tm, pclusteroperator clw)
	Prepare local column weights for a given $\mathcal{H}^2$ -matrix. More...

void	localweights_h2matrix (pch2matrix G, pcclusteroperator rbw, pcclusteroperator cbw, pctruncmode tm, pclusteroperator rlw, pclusteroperator clw)
	Prepare local weights for a given $\mathcal{H}^2$ -matrix. More...

void	accumulate_clusteroperator (pcclusterbasis cb, pctruncmode tm, pclusteroperator lw)
	Merge the local weights of clusters with the weights inherited from their ancestors in order to obtain total weights. More...

void	totalweights_h2matrix (pch2matrix G, bool rbortho, bool cbortho, pctruncmode tm, pclusteroperator rw, pclusteroperator cw)
	Construct total weights for a given $\mathcal{H}^2$ -matrix. More...

void	truncate_clusterbasis (pcclusterbasis cb, pcclusteroperator cw, pcclusteroperator clw, pctruncmode tm, real eps, pclusterbasis cbnew, pclusteroperator old2new)
	Compute a truncated cluster basis. More...

pclusterbasis	buildrowbasis_h2matrix (pch2matrix G, bool rbortho, bool cbortho, pctruncmode tm, real eps, pclusteroperator old2new)
	Construct an improved row basis for an $\mathcal{H}^2$ -matrix. More...

pclusterbasis	buildcolbasis_h2matrix (pch2matrix G, bool rbortho, bool cbortho, pctruncmode tm, real eps, pclusteroperator old2new)
	Construct an improved row basis for an $\mathcal{H}^2$ -matrix. More...

void	truncrowbasis_h2matrix (ph2matrix G, bool rbortho, bool cbortho, pctruncmode tm, real eps, pclusterbasis rbnew, pclusteroperator old2new)
	Construct an improved row basis for an $\mathcal{H}^2$ -matrix. More...

void	trunccolbasis_h2matrix (ph2matrix G, bool rbortho, bool cbortho, pctruncmode tm, real eps, pclusterbasis cbnew, pclusteroperator old2new)
	Construct an improved column basis for an $\mathcal{H}^2$ -matrix. More...

ph2matrix	build_projected_h2matrix (pch2matrix G, pclusterbasis rb, pcclusteroperator ro, pclusterbasis cb, pcclusteroperator co)
	Construct an $\mathcal{H}^2$ -matrix approximation of a given $\mathcal{H}^2$ -matrix in new cluster bases by blockwise projection. More...

void	project_inplace_h2matrix (ph2matrix G, pclusterbasis rb, pcclusteroperator ro, pclusterbasis cb, pcclusteroperator co)
	Switch the cluster bases of an $\mathcal{H}^2$ -matrix by applying blockwise projections. More...

void	orthoweight_clusterbasis (pclusterbasis cb)
	Compute cluster weights and store them in the cluster basis. More...

void	totalweight_row_clusteroperator (pclusterbasis rb, pclusteroperator rw, pctruncmode tm)
	Compute total row weights of a matrix. More...

void	totalweight_col_clusteroperator (pclusterbasis cb, pclusteroperator cw, pctruncmode tm)
	Compute total column weights of a matrix. More...

void	truncate_inplace_clusterbasis (pclusterbasis cb, pclusteroperator cw, pctruncmode tm, real eps)
	Replace a cluster basis with a truncated basis. More...

void	recompress_inplace_h2matrix (ph2matrix G, pctruncmode tm, real eps)
	Recompress an $\mathcal{H}^2$ -matrix. More...

ptruncblock	new_truncblock (pcclusterbasis cb, pcclusteroperator cw, ptruncblock next)
	Create a new truncblock object. More...

void	del_truncblock (ptruncblock tb)
	Delete a list of truncblock objects. More...

ptruncblock	reverse_truncblock (ptruncblock tb)
	Reverse the order of a list of truncblock objects. More...

pclusterbasis	unify_clusterbasis (pccluster t, ptruncblock tb, pctruncmode tm, real eps, pclusteroperator*cw)
	Construct a unified cluster basis. More...

void	unify_h2matrix (ph2matrix G, pclusteroperatorrw1, pclusteroperatorcw1, pctruncmode tm, real eps, pclusteroperatorrw, pclusteroperatorcw)
	Unify $\mathcal{H}^2$ -submatrices into a large $\mathcal{H}^2$ -matrix. More...

void	unify_parallel_h2matrix (ph2matrix G, uint pardepth, pclusteroperatorrw1, pclusteroperatorcw1, pctruncmode tm, real eps, pclusteroperatorrw, pclusteroperatorcw)
	Unify $\mathcal{H}^2$ -submatrices into a large $\mathcal{H}^2$ -matrix, experimental parallel implementation. More...

void	convert_rkmatrix_uniform (pcrkmatrix r, puniform u, pctruncmode tm, pclusteroperatorrw, pclusteroperatorcw)
	Converts an rkmatrix into a uniform matrix. More...

pclusterbasis	buildrowbasis_hmatrix (pchmatrix G, pctruncmode tm, real eps)
	Construct a row basis for a hierarchical matrix. More...

pclusterbasis	buildcolbasis_hmatrix (pchmatrix G, pctruncmode tm, real eps)
	Construct a column basis for a hierarchical matrix. More...

ph2matrix	build_projected_hmatrix_h2matrix (pchmatrix G, pclusterbasis rb, pclusterbasis cb)
	Construct an $\mathcal{H}^2$ -matrix approximation of a given hierarchical matrix in given cluster bases by blockwise projection. More...

pclusterbasis	buildrowbasis_amatrix (pcamatrix G, pcblock b, pctruncmode tm, real eps)
	Construct a row basis for an array matrix. More...

pclusterbasis	buildcolbasis_amatrix (pcamatrix G, pcblock b, pctruncmode tm, real eps)
	Construct a column basis for an array matrix. More...

ph2matrix	build_projected_amatrix_h2matrix (pcamatrix G, pcblock b, pclusterbasis rb, pclusterbasis cb)
	Construct an $\mathcal{H}^2$ -matrix approximation of a given array matrix in given cluster bases by blockwise projection. More...

Detailed Description

Author: Steffen Börm

Data Structures

Typedefs

Functions

Detailed Description