SRC/zutil.c File Reference

Matrix utility functions. More...

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

Functions

void zCreate_CompCol_Matrix (SuperMatrix *A, int m, int n, int nnz, doublecomplex *nzval, int *rowind, int *colptr, Stype_t stype, Dtype_t dtype, Mtype_t mtype)
 Supernodal LU factor related.
void zCreate_CompRow_Matrix (SuperMatrix *A, int m, int n, int nnz, doublecomplex *nzval, int *colind, int *rowptr, Stype_t stype, Dtype_t dtype, Mtype_t mtype)
void zCopy_CompCol_Matrix (SuperMatrix *A, SuperMatrix *B)
 Copy matrix A into matrix B.
void zCreate_Dense_Matrix (SuperMatrix *X, int m, int n, doublecomplex *x, int ldx, Stype_t stype, Dtype_t dtype, Mtype_t mtype)
void zCopy_Dense_Matrix (int M, int N, doublecomplex *X, int ldx, doublecomplex *Y, int ldy)
 Copies a two-dimensional matrix X to another matrix Y.
void zCreate_SuperNode_Matrix (SuperMatrix *L, int m, int n, int nnz, doublecomplex *nzval, int *nzval_colptr, int *rowind, int *rowind_colptr, int *col_to_sup, int *sup_to_col, Stype_t stype, Dtype_t dtype, Mtype_t mtype)
void zCompRow_to_CompCol (int m, int n, int nnz, doublecomplex *a, int *colind, int *rowptr, doublecomplex **at, int **rowind, int **colptr)
 Convert a row compressed storage into a column compressed storage.
void zPrint_CompCol_Matrix (char *what, SuperMatrix *A)
 Routines for debugging.
void zPrint_SuperNode_Matrix (char *what, SuperMatrix *A)
void zPrint_Dense_Matrix (char *what, SuperMatrix *A)
void zprint_lu_col (char *msg, int jcol, int pivrow, int *xprune, GlobalLU_t *Glu)
 Diagnostic print of column "jcol" in the U/L factor.
void zcheck_tempv (int n, doublecomplex *tempv)
 Check whether tempv[] == 0. This should be true before and after calling any numeric routines, i.e., "panel_bmod" and "column_bmod".
void zGenXtrue (int n, int nrhs, doublecomplex *x, int ldx)
void zFillRHS (trans_t trans, int nrhs, doublecomplex *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.
void zfill (doublecomplex *a, int alen, doublecomplex dval)
 Fills a doublecomplex precision array with a given value.
void zinf_norm_error (int nrhs, SuperMatrix *X, doublecomplex *xtrue)
 Check the inf-norm of the error vector.
void zPrintPerf (SuperMatrix *L, SuperMatrix *U, mem_usage_t *mem_usage, double rpg, double rcond, double *ferr, double *berr, char *equed, SuperLUStat_t *stat)
 Print performance of the code.
 print_doublecomplex_vec (char *what, int n, doublecomplex *vec)

Detailed Description

 -- 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

print_doublecomplex_vec (  char *  what,
int  n,
doublecomplex *  vec
) 
 

void zcheck_tempv (  int  n,
doublecomplex *  tempv
) 
 

void zCompRow_to_CompCol (  int  m,
int  n,
int  nnz,
doublecomplex *  a,
int *  colind,
int *  rowptr,
doublecomplex **  at,
int **  rowind,
int **  colptr
) 
 

void zCopy_CompCol_Matrix (  SuperMatrix *  A,
SuperMatrix *  B
) 
 

void zCopy_Dense_Matrix (  int  M,
int  N,
doublecomplex *  X,
int  ldx,
doublecomplex *  Y,
int  ldy
) 
 

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

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

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

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

void zfill (  doublecomplex *  a,
int  alen,
doublecomplex  dval
) 
 

void zFillRHS (  trans_t  trans,
int  nrhs,
doublecomplex *  x,
int  ldx,
SuperMatrix *  A,
SuperMatrix *  B
) 
 

void zGenXtrue (  int  n,
int  nrhs,
doublecomplex *  x,
int  ldx
) 
 

void zinf_norm_error (  int  nrhs,
SuperMatrix *  X,
doublecomplex *  xtrue
) 
 

void zPrint_CompCol_Matrix (  char *  what,
SuperMatrix *  A
) 
 

void zPrint_Dense_Matrix (  char *  what,
SuperMatrix *  A
) 
 

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

void zPrint_SuperNode_Matrix (  char *  what,
SuperMatrix *  A
) 
 

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

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