util.c File Reference

Utility functions. More...

#include <math.h>
#include "slu_ddefs.h"

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Macros
#define	NBUCKS   10
	Get the statistics of the supernodes. More...

Functions
void	superlu_abort_and_exit (char *msg)
	Global statistics variale. More...
void	set_default_options (superlu_options_t *options)
	Set the default values for the options argument. More...
void	ilu_set_default_options (superlu_options_t *options)
	Set the default values for the options argument for ILU. More...
void	print_options (superlu_options_t *options)
	Print the options setting. More...
void	print_ilu_options (superlu_options_t *options)
	Print the options setting. More...
void	Destroy_SuperMatrix_Store (SuperMatrix *A)
	Deallocate the structure pointing to the actual storage of the matrix. More...
void	Destroy_CompCol_Matrix (SuperMatrix *A)
void	Destroy_CompRow_Matrix (SuperMatrix *A)
void	Destroy_SuperNode_Matrix (SuperMatrix *A)
void	Destroy_CompCol_Permuted (SuperMatrix *A)
	A is of type Stype==NCP. More...
void	Destroy_Dense_Matrix (SuperMatrix *A)
	A is of type Stype==DN. More...
void	resetrep_col (const int nseg, const int *segrep, int *repfnz)
	Reset repfnz[] for the current column. More...
void	countnz (const int n, int_t *xprune, int_t *nnzL, int_t *nnzU, GlobalLU_t *Glu)
	Count the total number of nonzeros in factors L and U, and in the symmetrically reduced L. More...
void	ilu_countnz (const int n, int_t *nnzL, int_t *nnzU, GlobalLU_t *Glu)
	Count the total number of nonzeros in factors L and U. More...
void	fixupL (const int n, const int *perm_r, GlobalLU_t *Glu)
	Fix up the data storage lsub for L-subscripts. It removes the subscript sets for structural pruning, and applies permuation to the remaining subscripts. More...
void	print_panel_seg (int n, int w, int jcol, int nseg, int *segrep, int *repfnz)
	Diagnostic print of segment info after panel_dfs(). More...
void	StatInit (SuperLUStat_t *stat)
void	StatPrint (SuperLUStat_t *stat)
void	StatFree (SuperLUStat_t *stat)
flops_t	LUFactFlops (SuperLUStat_t *stat)
flops_t	LUSolveFlops (SuperLUStat_t *stat)
void	ifill (int *a, int alen, int ival)
	Fills an integer array with a given value. More...
void	super_stats (int nsuper, int *xsup)
float	SpaSize (int n, int np, float sum_npw)
float	DenseSize (int n, float sum_nw)
void	check_repfnz (int n, int w, int jcol, int *repfnz)
	Check whether repfnz[] == EMPTY after reset. More...
void	PrintSumm (char *type, int nfail, int nrun, int nerrs)
	Print a summary of the testing results. More...
int	print_int_vec (char *what, int n, int *vec)
int	slu_PrintInt10 (char *name, int len, int *x)
int	check_perm (char *what, int n, int *perm)

Detailed Description

Copyright (c) 2003, The Regents of the University of California, through Lawrence Berkeley National Laboratory (subject to receipt of any required approvals from U.S. Dept. of Energy)

All rights reserved.

The source code is distributed under BSD license, see the file License.txt at the top-level directory.

-- SuperLU routine (version 4.1) --
Univ. of California Berkeley, Xerox Palo Alto Research Center,
and Lawrence Berkeley National Lab.
November, 2010

Copyright (c) 1994 by Xerox Corporation.  All rights reserved.

THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY
EXPRESSED OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.

Permission is hereby granted to use or copy this program for any
purpose, provided the above notices are retained on all copies.
Permission to modify the code and to distribute modified code is
granted, provided the above notices are retained, and a notice that
the code was modified is included with the above copyright notice.

Macro Definition Documentation

NBUCKS

#define NBUCKS   10

Function Documentation

check_perm()

int check_perm	(	char *	what,
		int	n,
		int *	perm
	)

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check_repfnz()

void check_repfnz	(	int	n,
		int	w,
		int	jcol,
		int *	repfnz
	)

countnz()

void countnz	(	const int	n,
		int_t *	xprune,
		int_t *	nnzL,
		int_t *	nnzU,
		GlobalLU_t *	Glu
	)

DenseSize()

float DenseSize	(	int	n,
		float	sum_nw
	)

Destroy_CompCol_Matrix()

void Destroy_CompCol_Matrix

(

SuperMatrix *

A

)

Destroy_CompCol_Permuted()

void Destroy_CompCol_Permuted

(

SuperMatrix *

A

)

Destroy_CompRow_Matrix()

void Destroy_CompRow_Matrix

(

SuperMatrix *

A

)

Destroy_Dense_Matrix()

void Destroy_Dense_Matrix

(

SuperMatrix *

A

)

Destroy_SuperMatrix_Store()

void Destroy_SuperMatrix_Store

(

SuperMatrix *

A

)

Destroy_SuperNode_Matrix()

void Destroy_SuperNode_Matrix

(

SuperMatrix *

A

)

fixupL()

void fixupL	(	const int	n,
		const int *	perm_r,
		GlobalLU_t *	Glu
	)

ifill()

void ifill	(	int *	a,
		int	alen,
		int	ival
	)

ilu_countnz()

void ilu_countnz	(	const int	n,
		int_t *	nnzL,
		int_t *	nnzU,
		GlobalLU_t *	Glu
	)

ilu_set_default_options()

void ilu_set_default_options

(

superlu_options_t *

options

)

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LUFactFlops()

flops_t LUFactFlops

(

SuperLUStat_t *

stat

)

LUSolveFlops()

flops_t LUSolveFlops

(

SuperLUStat_t *

stat

)

print_ilu_options()

void print_ilu_options

(

superlu_options_t *

options

)

print_int_vec()

int print_int_vec	(	char *	what,
		int	n,
		int *	vec
	)

print_options()

void print_options

(

superlu_options_t *

options

)

print_panel_seg()

void print_panel_seg	(	int	n,
		int	w,
		int	jcol,
		int	nseg,
		int *	segrep,
		int *	repfnz
	)

PrintSumm()

void PrintSumm	(	char *	type,
		int	nfail,
		int	nrun,
		int	nerrs
	)

resetrep_col()

void resetrep_col	(	const int	nseg,
		const int *	segrep,
		int *	repfnz
	)

set_default_options()

void set_default_options

(

superlu_options_t *

options

)

slu_PrintInt10()

int slu_PrintInt10	(	char *	name,
		int	len,
		int *	x
	)

SpaSize()

float SpaSize	(	int	n,
		int	np,
		float	sum_npw
	)

StatFree()

void StatFree

(

SuperLUStat_t *

stat

)

StatInit()

void StatInit

(

SuperLUStat_t *

stat

)

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StatPrint()

void StatPrint

(

SuperLUStat_t *

stat

)

super_stats()

void super_stats	(	int	nsuper,
		int *	xsup
	)

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superlu_abort_and_exit()

void superlu_abort_and_exit

(

char *

msg

)