crs_xxt.c File Reference

#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include <limits.h>
#include <float.h>
#include <string.h>
#include <math.h>
#include "gslib.h"

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Data Structures
struct	sparse_cholesky
struct	csr_mat
struct	xxt
struct	dof
struct	yale_mat

Macros
#define	crs_setup   PREFIXED_NAME(crs_xxt_setup)
#define	crs_solve   PREFIXED_NAME(crs_xxt_solve)
#define	crs_stats   PREFIXED_NAME(crs_xxt_stats)
#define	crs_free   PREFIXED_NAME(crs_xxt_free )
#define	UINT_BITS   (sizeof(uint)*CHAR_BIT)
#define	BITS(i)   ((UINT_BITS+(1<<(i))-1)>>(i))
#define	MASK(i)   ((((uint)1<<BITS(i)) - 1) << BITS(i))
#define	CHECK(i)   if((BITS(i)!=1) && (v&MASK(i))) v>>=BITS(i), r+=BITS(i)

Functions
void	sparse_cholesky_solve (double *x, const struct sparse_cholesky *fac, double *b)
void	sparse_cholesky_factor (uint n, const uint *Arp, const uint *Aj, const double *A, struct sparse_cholesky *out, buffer *buf)
void	sparse_cholesky_free (struct sparse_cholesky *fac)
struct xxt *	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)
void	crs_solve (double *x, struct xxt *data, const double *b)
void	crs_stats (struct xxt *data)
void	crs_free (struct xxt *data)

Macro Definition Documentation

BITS

#define BITS

(

i

)

((UINT_BITS+(1<<(i))-1)>>(i))

CHECK

#define CHECK

(

i

)

if((BITS(i)!=1) && (v&MASK(i))) v>>=BITS(i), r+=BITS(i)

crs_free

#define crs_free   PREFIXED_NAME(crs_xxt_free )

Definition at line 13 of file crs_xxt.c.

crs_setup

#define crs_setup   PREFIXED_NAME(crs_xxt_setup)

Definition at line 10 of file crs_xxt.c.

crs_solve

#define crs_solve   PREFIXED_NAME(crs_xxt_solve)

Definition at line 11 of file crs_xxt.c.

crs_stats

#define crs_stats   PREFIXED_NAME(crs_xxt_stats)

Definition at line 12 of file crs_xxt.c.

MASK

#define MASK

(

i

)

((((uint)1<<BITS(i)) - 1) << BITS(i))

UINT_BITS

#define UINT_BITS   (sizeof(uint)*CHAR_BIT)

Function Documentation

crs_free()

void crs_free

(

struct xxt *

data

)

Definition at line 986 of file crs_xxt.c.

References csr_mat::A, xxt::A_sl, csr_mat::Arp, xxt::comm, xxt::fac_A_ll, xxt::null_space, xxt::perm_u2c, xxt::pother, xxt::req, xxt::sep_size, xxt::share_weight, sparse_cholesky_free(), xxt::vl, xxt::X, and xxt::Xp.

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crs_setup()

struct xxt* 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
	)

Definition at line 859 of file crs_xxt.c.

References xxt::comm.

crs_solve()

void crs_solve	(	double *	x,
		struct xxt *	data,
		const double *	b
	)

Definition at line 921 of file crs_xxt.c.

References xxt::cn, xxt::fac_A_ll, xxt::ln, xxt::null_space, xxt::perm_u2c, xxt::sn, sparse_cholesky_solve(), xxt::un, xxt::vc, xxt::vl, xxt::vx, and xxt::xn.

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crs_stats()

void crs_stats

(

struct xxt *

data

)

Definition at line 961 of file crs_xxt.c.

References xxt::comm, xxt::ln, xxt::nsep, xxt::null_space, xxt::sep_size, xxt::sn, xxt::xn, and xxt::Xp.

sparse_cholesky_factor()

void sparse_cholesky_factor	(	uint	n,
		const uint *	Arp,
		const uint *	Aj,
		const double *	A,
		struct sparse_cholesky *	out,
		buffer *	buf
	)

Definition at line 187 of file crs_xxt.c.

sparse_cholesky_free()

void sparse_cholesky_free

(

struct sparse_cholesky *

fac

)

Definition at line 197 of file crs_xxt.c.

References sparse_cholesky::D, sparse_cholesky::L, sparse_cholesky::Lj, and sparse_cholesky::Lrp.

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sparse_cholesky_solve()

void sparse_cholesky_solve	(	double *	x,
		const struct sparse_cholesky *	fac,
		double *	b
	)

Definition at line 169 of file crs_xxt.c.

References sparse_cholesky::D, sparse_cholesky::L, sparse_cholesky::Lj, sparse_cholesky::Lrp, and sparse_cholesky::n.

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