#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <sys/stat.h>
#include <limits.h>
#include "gslib.h"
#include "crs_amg_io.h"

Include dependency graph for crs_amg.c:

Go to the source code of this file.

Data Structures
struct	csr_mat

struct	Q

struct	crs_data

struct	rid

struct	id_data

struct	gnz

struct	find_id_map

struct	find_id_data

struct	find_id_work

struct	rnz

struct	labelled_rid

Macros
#define	crs_setup PREFIXED_NAME(crs_amg_setup)

#define	crs_solve PREFIXED_NAME(crs_amg_solve)

#define	crs_stats PREFIXED_NAME(crs_amg_stats)

#define	crs_free PREFIXED_NAME(crs_amg_free )

#define	AMG_BLOCK_ROWS 2400

#define	AMG_MAX_ROWS 12000

#define	rid_equal(a, b) ((a).p==(b).p && (a).i==(b).i)

#define	nz_pos_equal(a, b) (rid_equal((a).i,(b).i) && rid_equal((a).j,(b).j))

#define	BUILD_LIST(k)

Enumerations
enum	mat_order { row_major , col_major , row_major , col_major }

enum	distr { row_distr , col_distr , row_distr , col_distr }

Functions
void	crs_solve (double x, struct crs_data data, double *b)

void	crs_stats (const struct crs_data *const data)

struct crs_data *	crs_setup (uint n, const ulong id, uint nz, const uint Ai, const uint Aj, const double A, uint null_space, const struct comm comm, const char datafname, uint *ierr)

void	crs_free (struct crs_data *data)

Macro Definition Documentation

◆ AMG_BLOCK_ROWS

#define AMG_BLOCK_ROWS 2400

Definition at line 16 of file crs_amg.c.

◆ AMG_MAX_ROWS

#define AMG_MAX_ROWS 12000

Definition at line 20 of file crs_amg.c.

◆ BUILD_LIST

#define BUILD_LIST ( k )

Value:

    do { \
    last_rid.p=UINT_MAX,last_rid.i=UINT_MAX; \
    for(count=0,p=mat->ptr;p!=e;++p) { \
      if(p->k.p==pid || rid_equal(last_rid,p->k)) continue; \
      last_rid=p->k; ++count; \
    } \
    array_init(struct labelled_rid, nonlocal_id, count); \
    nonlocal_id->n=count; out=nonlocal_id->ptr; \
    last_rid.p=UINT_MAX,last_rid.i=UINT_MAX; \
    for(p=mat->ptr;p!=e;++p) { \
      if(p->k.p==pid || rid_equal(last_rid,p->k)) continue; \
      (out++)->rid=last_rid=p->k; \
    } \
  } while(0)

◆ crs_free

#define crs_free PREFIXED_NAME(crs_amg_free )

Definition at line 13 of file crs_amg.c.

◆ crs_setup

#define crs_setup PREFIXED_NAME(crs_amg_setup)

Definition at line 10 of file crs_amg.c.

◆ crs_solve

#define crs_solve PREFIXED_NAME(crs_amg_solve)

Definition at line 11 of file crs_amg.c.

◆ crs_stats

#define crs_stats PREFIXED_NAME(crs_amg_stats)

Definition at line 12 of file crs_amg.c.

◆ nz_pos_equal

#define nz_pos_equal	(	a,
		b
	)	(rid_equal((a).i,(b).i) && rid_equal((a).j,(b).j))

Definition at line 1096 of file crs_amg.c.

◆ rid_equal

#define rid_equal	(	a,
		b
	)	((a).p==(b).p && (a).i==(b).i)

Definition at line 1090 of file crs_amg.c.

Enumeration Type Documentation

◆ distr

enum distr

Enumerator
row_distr
col_distr
row_distr
col_distr

Definition at line 1088 of file crs_amg.c.

◆ mat_order

enum mat_order

Enumerator
row_major
col_major
row_major
col_major

Definition at line 1087 of file crs_amg.c.

Function Documentation

◆ crs_free()

void crs_free ( struct crs_data * data )

Definition at line 582 of file crs_amg.c.

References csr_mat::a, crs_data::cheb_m, crs_data::cheb_rho, crs_data::comm, crs_data::Dff, crs_data::gs_top, Q::gsh, crs_data::levels, crs_data::lvl_offset, crs_data::Q_Aff, crs_data::Q_AfP, crs_data::Q_W, csr_mat::row_off, crs_data::umap, and crs_data::W.

◆ crs_setup()

struct crs_data* crs_setup	(	uint	n,
		const ulong *	id,
		uint	nz,
		const uint *	Ai,
		const uint *	Aj,
		const double *	A,
		uint	null_space,
		const struct comm *	comm,
		const char *	datafname,
		uint *	ierr
	)

Definition at line 530 of file crs_amg.c.

References crs_data::comm, and crs_data::gs_top.

◆ crs_solve()

void crs_solve	(	double *	x,
		struct crs_data *	data,
		double *	b
	)

Definition at line 185 of file crs_amg.c.

References crs_data::b, crs_data::gs_top, crs_data::umap, crs_data::un, and crs_data::x.

◆ crs_stats()

void crs_stats ( const struct crs_data *const data )

Definition at line 204 of file crs_amg.c.

References crs_data::comm, crs_data::levels, crs_data::timing, and crs_data::timing_n.

Data Structures

Macros

Enumerations

Functions