/usr/include/superlu/slu_ddefs.h is in libsuperlu-dev 5.2.1+dfsg1-3.
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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.
*/
/*! @file slu_ddefs.h
* \brief Header file for real operations
*
* <pre>
* -- SuperLU routine (version 4.1) --
* Univ. of California Berkeley, Xerox Palo Alto Research Center,
* and Lawrence Berkeley National Lab.
* November, 2010
*
* Global data structures used in LU factorization -
*
* nsuper: #supernodes = nsuper + 1, numbered [0, nsuper].
* (xsup,supno): supno[i] is the supernode no to which i belongs;
* xsup(s) points to the beginning of the s-th supernode.
* e.g. supno 0 1 2 2 3 3 3 4 4 4 4 4 (n=12)
* xsup 0 1 2 4 7 12
* Note: dfs will be performed on supernode rep. relative to the new
* row pivoting ordering
*
* (xlsub,lsub): lsub[*] contains the compressed subscript of
* rectangular supernodes; xlsub[j] points to the starting
* location of the j-th column in lsub[*]. Note that xlsub
* is indexed by column.
* Storage: original row subscripts
*
* During the course of sparse LU factorization, we also use
* (xlsub,lsub) for the purpose of symmetric pruning. For each
* supernode {s,s+1,...,t=s+r} with first column s and last
* column t, the subscript set
* lsub[j], j=xlsub[s], .., xlsub[s+1]-1
* is the structure of column s (i.e. structure of this supernode).
* It is used for the storage of numerical values.
* Furthermore,
* lsub[j], j=xlsub[t], .., xlsub[t+1]-1
* is the structure of the last column t of this supernode.
* It is for the purpose of symmetric pruning. Therefore, the
* structural subscripts can be rearranged without making physical
* interchanges among the numerical values.
*
* However, if the supernode has only one column, then we
* only keep one set of subscripts. For any subscript interchange
* performed, similar interchange must be done on the numerical
* values.
*
* The last column structures (for pruning) will be removed
* after the numercial LU factorization phase.
*
* (xlusup,lusup): lusup[*] contains the numerical values of the
* rectangular supernodes; xlusup[j] points to the starting
* location of the j-th column in storage vector lusup[*]
* Note: xlusup is indexed by column.
* Each rectangular supernode is stored by column-major
* scheme, consistent with Fortran 2-dim array storage.
*
* (xusub,ucol,usub): ucol[*] stores the numerical values of
* U-columns outside the rectangular supernodes. The row
* subscript of nonzero ucol[k] is stored in usub[k].
* xusub[i] points to the starting location of column i in ucol.
* Storage: new row subscripts; that is subscripts of PA.
* </pre>
*/
#ifndef __SUPERLU_dSP_DEFS /* allow multiple inclusions */
#define __SUPERLU_dSP_DEFS
/*
* File name: dsp_defs.h
* Purpose: Sparse matrix types and function prototypes
* History:
*/
#ifdef _CRAY
#include <fortran.h>
#endif
/* Define my integer type int_t */
typedef int int_t; /* default */
#include <math.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include "slu_Cnames.h"
#include "supermatrix.h"
#include "slu_util.h"
/* -------- Prototypes -------- */
#ifdef __cplusplus
extern "C" {
#endif
/*! \brief Driver routines */
extern void
dgssv(superlu_options_t *, SuperMatrix *, int *, int *, SuperMatrix *,
SuperMatrix *, SuperMatrix *, SuperLUStat_t *, int *);
extern void
dgssvx(superlu_options_t *, SuperMatrix *, int *, int *, int *,
char *, double *, double *, SuperMatrix *, SuperMatrix *,
void *, int, SuperMatrix *, SuperMatrix *,
double *, double *, double *, double *,
GlobalLU_t *, mem_usage_t *, SuperLUStat_t *, int *);
/* ILU */
extern void
dgsisv(superlu_options_t *, SuperMatrix *, int *, int *, SuperMatrix *,
SuperMatrix *, SuperMatrix *, SuperLUStat_t *, int *);
extern void
dgsisx(superlu_options_t *, SuperMatrix *, int *, int *, int *,
char *, double *, double *, SuperMatrix *, SuperMatrix *,
void *, int, SuperMatrix *, SuperMatrix *, double *, double *,
GlobalLU_t *, mem_usage_t *, SuperLUStat_t *, int *);
/*! \brief Supernodal LU factor related */
extern void
dCreate_CompCol_Matrix(SuperMatrix *, int, int, int, double *,
int *, int *, Stype_t, Dtype_t, Mtype_t);
extern void
dCreate_CompRow_Matrix(SuperMatrix *, int, int, int, double *,
int *, int *, Stype_t, Dtype_t, Mtype_t);
extern void
dCopy_CompCol_Matrix(SuperMatrix *, SuperMatrix *);
extern void
dCreate_Dense_Matrix(SuperMatrix *, int, int, double *, int,
Stype_t, Dtype_t, Mtype_t);
extern void
dCreate_SuperNode_Matrix(SuperMatrix *, int, int, int, double *,
int *, int *, int *, int *, int *,
Stype_t, Dtype_t, Mtype_t);
extern void
dCopy_Dense_Matrix(int, int, double *, int, double *, int);
extern void countnz (const int, int *, int *, int *, GlobalLU_t *);
extern void ilu_countnz (const int, int *, int *, GlobalLU_t *);
extern void fixupL (const int, const int *, GlobalLU_t *);
extern void dallocateA (int, int, double **, int **, int **);
extern void dgstrf (superlu_options_t*, SuperMatrix*,
int, int, int*, void *, int, int *, int *,
SuperMatrix *, SuperMatrix *, GlobalLU_t *,
SuperLUStat_t*, int *);
extern int dsnode_dfs (const int, const int, const int *, const int *,
const int *, int *, int *, GlobalLU_t *);
extern int dsnode_bmod (const int, const int, const int, double *,
double *, GlobalLU_t *, SuperLUStat_t*);
extern void dpanel_dfs (const int, const int, const int, SuperMatrix *,
int *, int *, double *, int *, int *, int *,
int *, int *, int *, int *, GlobalLU_t *);
extern void dpanel_bmod (const int, const int, const int, const int,
double *, double *, int *, int *,
GlobalLU_t *, SuperLUStat_t*);
extern int dcolumn_dfs (const int, const int, int *, int *, int *, int *,
int *, int *, int *, int *, int *, GlobalLU_t *);
extern int dcolumn_bmod (const int, const int, double *,
double *, int *, int *, int,
GlobalLU_t *, SuperLUStat_t*);
extern int dcopy_to_ucol (int, int, int *, int *, int *,
double *, GlobalLU_t *);
extern int dpivotL (const int, const double, int *, int *,
int *, int *, int *, GlobalLU_t *, SuperLUStat_t*);
extern void dpruneL (const int, const int *, const int, const int,
const int *, const int *, int *, GlobalLU_t *);
extern void dreadmt (int *, int *, int *, double **, int **, int **);
extern void dGenXtrue (int, int, double *, int);
extern void dFillRHS (trans_t, int, double *, int, SuperMatrix *,
SuperMatrix *);
extern void dgstrs (trans_t, SuperMatrix *, SuperMatrix *, int *, int *,
SuperMatrix *, SuperLUStat_t*, int *);
/* ILU */
extern void dgsitrf (superlu_options_t*, SuperMatrix*, int, int, int*,
void *, int, int *, int *, SuperMatrix *, SuperMatrix *,
GlobalLU_t *, SuperLUStat_t*, int *);
extern int dldperm(int, int, int, int [], int [], double [],
int [], double [], double []);
extern int ilu_dsnode_dfs (const int, const int, const int *, const int *,
const int *, int *, GlobalLU_t *);
extern void ilu_dpanel_dfs (const int, const int, const int, SuperMatrix *,
int *, int *, double *, double *, int *, int *,
int *, int *, int *, int *, GlobalLU_t *);
extern int ilu_dcolumn_dfs (const int, const int, int *, int *, int *,
int *, int *, int *, int *, int *,
GlobalLU_t *);
extern int ilu_dcopy_to_ucol (int, int, int *, int *, int *,
double *, int, milu_t, double, int,
double *, int *, GlobalLU_t *, double *);
extern int ilu_dpivotL (const int, const double, int *, int *, int, int *,
int *, int *, int *, double, milu_t,
double, GlobalLU_t *, SuperLUStat_t*);
extern int ilu_ddrop_row (superlu_options_t *, int, int, double,
int, int *, double *, GlobalLU_t *,
double *, double *, int);
/*! \brief Driver related */
extern void dgsequ (SuperMatrix *, double *, double *, double *,
double *, double *, int *);
extern void dlaqgs (SuperMatrix *, double *, double *, double,
double, double, char *);
extern void dgscon (char *, SuperMatrix *, SuperMatrix *,
double, double *, SuperLUStat_t*, int *);
extern double dPivotGrowth(int, SuperMatrix *, int *,
SuperMatrix *, SuperMatrix *);
extern void dgsrfs (trans_t, SuperMatrix *, SuperMatrix *,
SuperMatrix *, int *, int *, char *, double *,
double *, SuperMatrix *, SuperMatrix *,
double *, double *, SuperLUStat_t*, int *);
extern int sp_dtrsv (char *, char *, char *, SuperMatrix *,
SuperMatrix *, double *, SuperLUStat_t*, int *);
extern int sp_dgemv (char *, double, SuperMatrix *, double *,
int, double, double *, int);
extern int sp_dgemm (char *, char *, int, int, int, double,
SuperMatrix *, double *, int, double,
double *, int);
extern double dmach(char *); /* from C99 standard, in float.h */
/*! \brief Memory-related */
extern int dLUMemInit (fact_t, void *, int, int, int, int, int,
double, SuperMatrix *, SuperMatrix *,
GlobalLU_t *, int **, double **);
extern void dSetRWork (int, int, double *, double **, double **);
extern void dLUWorkFree (int *, double *, GlobalLU_t *);
extern int dLUMemXpand (int, int, MemType, int *, GlobalLU_t *);
extern double *doubleMalloc(int);
extern double *doubleCalloc(int);
extern int dmemory_usage(const int, const int, const int, const int);
extern int dQuerySpace (SuperMatrix *, SuperMatrix *, mem_usage_t *);
extern int ilu_dQuerySpace (SuperMatrix *, SuperMatrix *, mem_usage_t *);
/*! \brief Auxiliary routines */
extern void dreadhb(FILE *, int *, int *, int *, double **, int **, int **);
extern void dreadrb(int *, int *, int *, double **, int **, int **);
extern void dreadtriple(int *, int *, int *, double **, int **, int **);
extern void dCompRow_to_CompCol(int, int, int, double*, int*, int*,
double **, int **, int **);
extern void dfill (double *, int, double);
extern void dinf_norm_error (int, SuperMatrix *, double *);
extern double dqselect(int, double *, int);
/*! \brief Routines for debugging */
extern void dPrint_CompCol_Matrix(char *, SuperMatrix *);
extern void dPrint_SuperNode_Matrix(char *, SuperMatrix *);
extern void dPrint_Dense_Matrix(char *, SuperMatrix *);
extern void dprint_lu_col(char *, int, int, int *, GlobalLU_t *);
extern int print_double_vec(char *, int, double *);
extern void dcheck_tempv(int, double *);
/*! \brief BLAS */
extern int dgemm_(const char*, const char*, const int*, const int*, const int*,
const double*, const double*, const int*, const double*,
const int*, const double*, double*, const int*);
extern int dtrsv_(char*, char*, char*, int*, double*, int*,
double*, int*);
extern int dtrsm_(char*, char*, char*, char*, int*, int*,
double*, double*, int*, double*, int*);
extern int dgemv_(char *, int *, int *, double *, double *a, int *,
double *, int *, double *, double *, int *);
#ifdef __cplusplus
}
#endif
#endif /* __SUPERLU_dSP_DEFS */
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