cutil.c File Reference

Matrix utility functions. More...

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

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Functions
void	cCreate_CompCol_Matrix (SuperMatrix *A, int m, int n, int_t nnz, complex *nzval, int_t *rowind, int_t *colptr, Stype_t stype, Dtype_t dtype, Mtype_t mtype)
	Supernodal LU factor related. More...
void	cCreate_CompRow_Matrix (SuperMatrix *A, int m, int n, int_t nnz, complex *nzval, int_t *colind, int_t *rowptr, Stype_t stype, Dtype_t dtype, Mtype_t mtype)
void	cCopy_CompCol_Matrix (SuperMatrix *A, SuperMatrix *B)
	Copy matrix A into matrix B. More...
void	cCreate_Dense_Matrix (SuperMatrix *X, int m, int n, complex *x, int ldx, Stype_t stype, Dtype_t dtype, Mtype_t mtype)
void	cCopy_Dense_Matrix (int M, int N, complex *X, int ldx, complex *Y, int ldy)
void	cCreate_SuperNode_Matrix (SuperMatrix *L, int m, int n, int_t nnz, complex *nzval, int_t *nzval_colptr, int_t *rowind, int_t *rowind_colptr, int *col_to_sup, int *sup_to_col, Stype_t stype, Dtype_t dtype, Mtype_t mtype)
void	cCompRow_to_CompCol (int m, int n, int_t nnz, complex *a, int_t *colind, int_t *rowptr, complex **at, int_t **rowind, int_t **colptr)
	Convert a row compressed storage into a column compressed storage. More...
void	cPrint_CompCol_Matrix (char *what, SuperMatrix *A)
	Routines for debugging. More...
void	cPrint_SuperNode_Matrix (char *what, SuperMatrix *A)
void	cPrint_Dense_Matrix (char *what, SuperMatrix *A)
void	cprint_lu_col (char *msg, int jcol, int pivrow, int_t *xprune, GlobalLU_t *Glu)
	Diagnostic print of column "jcol" in the U/L factor. More...
void	ccheck_tempv (int n, complex *tempv)
	Check whether tempv[] == 0. This should be true before and after calling any numeric routines, i.e., "panel_bmod" and "column_bmod". More...
void	cGenXtrue (int n, int nrhs, complex *x, int ldx)
void	cFillRHS (trans_t trans, int nrhs, complex *x, int ldx, SuperMatrix *A, SuperMatrix *B)
	Let rhs[i] = sum of i-th row of A, so the solution vector is all 1's. More...
void	cfill (complex *a, int alen, complex dval)
	Fills a complex precision array with a given value. More...
void	cinf_norm_error (int nrhs, SuperMatrix *X, complex *xtrue)
	Check the inf-norm of the error vector. More...
void	cPrintPerf (SuperMatrix *L, SuperMatrix *U, mem_usage_t *mem_usage, float rpg, float rcond, float *ferr, float *berr, char *equed, SuperLUStat_t *stat)
	Print performance of the code. More...
int	print_complex_vec (char *what, int n, complex *vec)

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 3.1) --
Univ. of California Berkeley, Xerox Palo Alto Research Center,
and Lawrence Berkeley National Lab.
August 1, 2008

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.

Function Documentation

ccheck_tempv()

void ccheck_tempv	(	int	n,
		complex *	tempv
	)

cCompRow_to_CompCol()

void cCompRow_to_CompCol	(	int	m,
		int	n,
		int_t	nnz,
		complex *	a,
		int_t *	colind,
		int_t *	rowptr,
		complex **	at,
		int_t **	rowind,
		int_t **	colptr
	)

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cCopy_CompCol_Matrix()

void cCopy_CompCol_Matrix	(	SuperMatrix *	A,
		SuperMatrix *	B
	)

cCopy_Dense_Matrix()

void cCopy_Dense_Matrix	(	int	M,
		int	N,
		complex *	X,
		int	ldx,
		complex *	Y,
		int	ldy
	)

Copies a two-dimensional matrix X to another matrix Y.

cCreate_CompCol_Matrix()

void cCreate_CompCol_Matrix	(	SuperMatrix *	A,
		int	m,
		int	n,
		int_t	nnz,
		complex *	nzval,
		int_t *	rowind,
		int_t *	colptr,
		Stype_t	stype,
		Dtype_t	dtype,
		Mtype_t	mtype
	)

cCreate_CompRow_Matrix()

void cCreate_CompRow_Matrix	(	SuperMatrix *	A,
		int	m,
		int	n,
		int_t	nnz,
		complex *	nzval,
		int_t *	colind,
		int_t *	rowptr,
		Stype_t	stype,
		Dtype_t	dtype,
		Mtype_t	mtype
	)

cCreate_Dense_Matrix()

void cCreate_Dense_Matrix	(	SuperMatrix *	X,
		int	m,
		int	n,
		complex *	x,
		int	ldx,
		Stype_t	stype,
		Dtype_t	dtype,
		Mtype_t	mtype
	)

cCreate_SuperNode_Matrix()

void cCreate_SuperNode_Matrix	(	SuperMatrix *	L,
		int	m,
		int	n,
		int_t	nnz,
		complex *	nzval,
		int_t *	nzval_colptr,
		int_t *	rowind,
		int_t *	rowind_colptr,
		int *	col_to_sup,
		int *	sup_to_col,
		Stype_t	stype,
		Dtype_t	dtype,
		Mtype_t	mtype
	)

cfill()

void cfill	(	complex *	a,
		int	alen,
		complex	dval
	)

cFillRHS()

void cFillRHS	(	trans_t	trans,
		int	nrhs,
		complex *	x,
		int	ldx,
		SuperMatrix *	A,
		SuperMatrix *	B
	)

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cGenXtrue()

void cGenXtrue	(	int	n,
		int	nrhs,
		complex *	x,
		int	ldx
	)

cinf_norm_error()

void cinf_norm_error	(	int	nrhs,
		SuperMatrix *	X,
		complex *	xtrue
	)

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cPrint_CompCol_Matrix()

void cPrint_CompCol_Matrix	(	char *	what,
		SuperMatrix *	A
	)

cPrint_Dense_Matrix()

void cPrint_Dense_Matrix	(	char *	what,
		SuperMatrix *	A
	)

cprint_lu_col()

void cprint_lu_col	(	char *	msg,
		int	jcol,
		int	pivrow,
		int_t *	xprune,
		GlobalLU_t *	Glu
	)

cPrint_SuperNode_Matrix()

void cPrint_SuperNode_Matrix	(	char *	what,
		SuperMatrix *	A
	)

cPrintPerf()

void cPrintPerf	(	SuperMatrix *	L,
		SuperMatrix *	U,
		mem_usage_t *	mem_usage,
		float	rpg,
		float	rcond,
		float *	ferr,
		float *	berr,
		char *	equed,
		SuperLUStat_t *	stat
	)

print_complex_vec()

int print_complex_vec	(	char *	what,
		int	n,
		complex *	vec
	)