symbol.h File Reference

Go to the source code of this file.

Data Structures
struct	symbol_cblk_s
	Symbol column block structure. More...
struct	symbol_blok_s
	Symbol block structure. More...
struct	symbol_matrix_s
	Symbol matrix structure. More...

Typedefs
typedef struct symbol_cblk_s	symbol_cblk_t
	Symbol column block structure.
typedef struct symbol_blok_s	symbol_blok_t
	Symbol block structure.
typedef struct symbol_matrix_s	symbol_matrix_t
	Symbol matrix structure.

Functions
static pastix_int_t	symbol_cblk_get_colnum (const symbol_matrix_t *symbmtx, symbol_cblk_t *symbcblk, pastix_int_t *fcolnum, pastix_int_t *lcolnum)
	Get the expanded column indexes of a symbol_cblk.
static pastix_int_t	symbol_blok_get_rownum (const symbol_matrix_t *symbmtx, symbol_blok_t *symbblok, pastix_int_t *frownum, pastix_int_t *lrownum)
	Get the expanded row index of a symbol_blok.
static int	is_symbblock_inside_fblock (const symbol_blok_t *blok, const symbol_blok_t *fblok)
	Check if a block is included inside another one.
Symbol basic subroutines
void	pastixSymbolInit (const pastix_graph_t *graph, const pastix_order_t *order, symbol_matrix_t *symbptr)
	Initialize the symbol structure.
void	pastixSymbolExit (symbol_matrix_t *symbptr)
	Free the content of symbolic matrix.
void	pastixSymbolBase (symbol_matrix_t *const symbptr, const pastix_int_t baseval)
	Sets the base of the given symbol matrix structure to the given base value.
void	pastixSymbolRealloc (symbol_matrix_t *symbptr)
	Reallocate the data structure to optimize the memory alignment.
int	pastixSymbolCheck (const symbol_matrix_t *const symbptr)
	Checks the consistency of the given symbolic block matrix.
void	pastixSymbolExpand (symbol_matrix_t *symbptr)
	Expand the symbol matrix structure based on the dof information (compressed -> expanded)
Symbol IO subroutines
int	pastixSymbolSave (const symbol_matrix_t *const symbptr, FILE *const stream)
	Save the given block matrix structure to the given stream.
int	pastixSymbolLoad (symbol_matrix_t *const symbptr, FILE *const stream)
	Load the given block matrix structure from the given stream.
int	pastixSymbolDraw (const symbol_matrix_t *const symbptr, FILE *const stream)
	Export the symbol structure in a PostScript format.
void	pastixSymbolDrawMap (pastix_data_t *pastix_data, const char *extname, pastix_int_t sndeidx)
	Dump a separator mapping into a map file.
Symbol statistical information subroutines
void	pastixSymbolPrintStats (const symbol_matrix_t *symbptr)
	Print statistical information about the symbolic matrix structure.
size_t	pastixSymbolGetNNZ (const symbol_matrix_t *symbptr)
	Computes the number of non-zero elements in L.
void	pastixSymbolGetFlops (const symbol_matrix_t *symbmtx, pastix_coeftype_t flttype, pastix_factotype_t factotype, double *thflops, double *rlflops)
	Computes the number of theoretical and real flops.
void	pastixSymbolGetTimes (const symbol_matrix_t *symbmtx, pastix_coeftype_t flttype, pastix_factotype_t factotype, double *cblkcost, double *blokcost)
	Computes the cost of structure for the costMatrixBuild() function.
Symbol reordering subroutines
void	pastixSymbolReordering (pastix_data_t *pastix_data)
	Compute the reordering on the complete matrix.
void	pastixSymbolReorderingPrintComplexity (const symbol_matrix_t *symbptr)
	Compute the number of operations required to compute the reordering on the complete matrix.
Symbol construction subroutines
int	pastixSymbolFaxDirect (symbol_matrix_t *symbptr, const pastix_graph_t *graphA, const pastix_order_t *ordeptr)
	Compute the block symbolic factorization of the given matrix graph according to the given vertex ordering.
int	pastixSymbolFaxILUk (symbol_matrix_t *symbptr, pastix_int_t levelk, const pastix_graph_t *graphA, const pastix_order_t *ordeptr)
	Create the symbol matrix from the graph of the non zero pattern of the factorized matrix and the supernode partition.
void	pastixSymbolBuildRowtab (symbol_matrix_t *symbptr)
	Construct the browtab array that stores the blocks in a CSR way.
pastix_int_t	pastixSymbolGetFacingBloknum (const symbol_matrix_t *symbptr, pastix_int_t bloksrc, pastix_int_t bloknum, pastix_int_t startsearch, int ricar)
	Search the targeted block C for a couple of blocks A and B.

Detailed Description

PaStiX symbol structure routines

Copyright

2004-2024 Bordeaux INP, CNRS (LaBRI UMR 5800), Inria, Univ. Bordeaux. All rights reserved.

Version

6.4.0

Author

David Goudin

Francois Pellegrini

Mathieu Faverge

Pascal Henon

Pierre Ramet

Gregoire Pichon

Tony Delarue

Vincent Bridonneau

Date

2024-07-05

Definition in file symbol.h.