Compressed sparse row (CSR) matrix functionality. More...

#include <cmath>
#include <cstdlib>
#include <cstdio>
#include <cassert>
#include <stdexcept>
#include "csr_matrix.h"
#include "output.h"
#include "memorymanag.h"
#include "mat_gblas.h"

Classes
struct	csr_index_pair_struct

Functions
static int	csr_compare_index_pairs_for_qsort (const void p1, const void p2)
int	ergo_CSR_create (csr_matrix_struct *csr, int symmetryFlag, int n, long nnz, const std::vector< int > &rowind, const std::vector< int > &colind)
int	ergo_CSR_destroy (csr_matrix_struct *csr)
int	ergo_CSR_copy (csr_matrix_struct csrDest, const csr_matrix_struct csrSource)
int	ergo_CSR_add_equal_structure (csr_matrix_struct csrDest, const csr_matrix_struct csrSource)
static long	ergo_csr_find_index (const csr_matrix_struct *csr, int row, int col)
int	ergo_CSR_add_to_element (csr_matrix_struct *csr, int row, int col, ergo_real value)
ergo_real	ergo_CSR_get_element (const csr_matrix_struct *csr, int row, int col)
ergo_real	ergo_CSR_get_max_abs_element (const csr_matrix_struct *csr)
long	ergo_CSR_get_nvalues (const csr_matrix_struct *csr)
int	ergo_CSR_get_values (const csr_matrix_struct *csr, std::vector< int > &rowind, std::vector< int > &colind, std::vector< ergo_real > &values, long nvalues)
int	ergo_CSR_get_nvalues_singlerow (const csr_matrix_struct *csr, int row)
int	ergo_CSR_get_values_singlerow (const csr_matrix_struct *csr, int row, std::vector< int > &colind, std::vector< ergo_real > &values, int nvalues)

Detailed Description

Compressed sparse row (CSR) matrix functionality.

Author: : Elias Rudberg responsible

Function Documentation

◆ csr_compare_index_pairs_for_qsort()

int csr_compare_index_pairs_for_qsort	(	const void *	p1,
		const void *	p2 )

static

References csr_index_pair_struct::col, and csr_index_pair_struct::row.

Referenced by ergo_CSR_create().

◆ ergo_CSR_add_equal_structure()

int ergo_CSR_add_equal_structure	(	csr_matrix_struct *	csrDest,
		const csr_matrix_struct *	csrSource )

References csr_matrix_struct::columnIndexList, csr_matrix_struct::elementList, csr_matrix_struct::n, csr_matrix_struct::nnz, csr_matrix_struct::rowList, and csr_matrix_struct::symmetryFlag.

◆ ergo_CSR_add_to_element()

int ergo_CSR_add_to_element	(	csr_matrix_struct *	csr,
		int	row,
		int	col,
		ergo_real	value )

References csr_matrix_struct::elementList, ergo_csr_find_index(), and csr_matrix_struct::symmetryFlag.

Referenced by compute_K_by_boxes_dense(), do_interaction_recursive_2(), get_CSR_from_normalMatrix(), get_CSR_from_symmMatrix(), get_K_contribs_from_2_interacting_boxes(), getDmatLimitMatrixCSRList(), and main().

◆ ergo_CSR_copy()

int ergo_CSR_copy	(	csr_matrix_struct *	csrDest,
		const csr_matrix_struct *	csrSource )

References csr_matrix_struct::columnIndexList, csr_matrix_struct::elementList, csr_matrix_struct::n, csr_matrix_struct::nnz, csr_matrix_struct::rowList, and csr_matrix_struct::symmetryFlag.

◆ ergo_CSR_create()

int ergo_CSR_create	(	csr_matrix_struct *	csr,
		int	symmetryFlag,
		int	n,
		long	nnz,
		const std::vector< int > &	rowind,
		const std::vector< int > &	colind )

◆ ergo_CSR_destroy()

int ergo_CSR_destroy ( csr_matrix_struct * csr )

References csr_matrix_struct::columnIndexList, csr_matrix_struct::elementList, and csr_matrix_struct::rowList.

Referenced by compute_K_by_boxes(), compute_K_by_boxes_sparse(), compute_K_by_boxes_sparse_nosymm(), and convert_symm_CSR_to_HML_and_destroy_CSR().

◆ ergo_csr_find_index()

long ergo_csr_find_index	(	const csr_matrix_struct *	csr,
		int	row,
		int	col )

static

References csr_matrix_struct::columnIndexList, csr_matrix_row_struct::firstElementIndex, csr_matrix_struct::n, csr_matrix_row_struct::noOfElementsInRow, and csr_matrix_struct::rowList.

Referenced by ergo_CSR_add_to_element(), and ergo_CSR_get_element().

◆ ergo_CSR_get_element()

ergo_real ergo_CSR_get_element	(	const csr_matrix_struct *	csr,
		int	row,
		int	col )

References csr_matrix_struct::elementList, ergo_csr_find_index(), and csr_matrix_struct::symmetryFlag.

Referenced by create_joblist_exchange_for_two_boxes_recursive(), get_CSR_from_normalMatrix(), get_CSR_from_symmMatrix(), and main().

◆ ergo_CSR_get_max_abs_element()

ergo_real ergo_CSR_get_max_abs_element ( const csr_matrix_struct * csr )

References csr_matrix_struct::elementList, csr_matrix_struct::nnz, and template_blas_fabs().

Referenced by compute_K_by_boxes(), and create_CSR_for_K().

◆ ergo_CSR_get_nvalues()

long ergo_CSR_get_nvalues ( const csr_matrix_struct * csr )

References csr_matrix_struct::nnz.

Referenced by compute_K_by_boxes_sparse_nosymm(), and convert_symm_CSR_to_HML_and_destroy_CSR().

◆ ergo_CSR_get_nvalues_singlerow()

int ergo_CSR_get_nvalues_singlerow	(	const csr_matrix_struct *	csr,
		int	row )

References csr_matrix_row_struct::noOfElementsInRow, and csr_matrix_struct::rowList.

Referenced by getDmatLimitMatrixCSRList(), and identify_needed_elements_part().

◆ ergo_CSR_get_values()

int ergo_CSR_get_values	(	const csr_matrix_struct *	csr,
		std::vector< int > &	rowind,
		std::vector< int > &	colind,
		std::vector< ergo_real > &	values,
		long	nvalues )

References csr_matrix_struct::columnIndexList, csr_matrix_struct::elementList, csr_matrix_row_struct::firstElementIndex, csr_matrix_struct::n, csr_matrix_struct::nnz, csr_matrix_row_struct::noOfElementsInRow, and csr_matrix_struct::rowList.