crs_amg.c File Reference

#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:

Classes
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 }
enum	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

AMG_MAX_ROWS

#define AMG_MAX_ROWS   12000

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 )

crs_setup

#define crs_setup   PREFIXED_NAME(crs_amg_setup)

crs_solve

#define crs_solve   PREFIXED_NAME(crs_amg_solve)

crs_stats

#define crs_stats   PREFIXED_NAME(crs_amg_stats)

nz_pos_equal

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

rid_equal

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

Enumeration Type Documentation

distr

enum distr

Enumerator
row_distr
col_distr

mat_order

enum mat_order

Enumerator
row_major
col_major

Function Documentation

crs_free()

void crs_free

(

struct crs_data *

data

)

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
	)

crs_solve()

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

crs_stats()

void crs_stats

(

const struct crs_data *const

data

)