You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
233 lines
6.3 KiB
C
233 lines
6.3 KiB
C
/*
|
|
* MD2P4
|
|
* Multilevel Domain Decomposition Parallel Preconditioner Package for PSBLAS
|
|
* for
|
|
* Parallel Sparse BLAS v2.0
|
|
*
|
|
* (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata
|
|
* Alfredo Buttari
|
|
* Daniela di Serafino Second University of Naples
|
|
* Pasqua D'Ambra ICAR-CNR
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions, and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the MD2P4 group or the names of its contributors may
|
|
* not be used to endorse or promote products derived from this
|
|
* software without specific written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE MD2P4 GROUP OR ITS CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
*/
|
|
/* This file is an interface to the UMFPACK routines for
|
|
factorization. It was obtained by adapting umfpack_zi_demo
|
|
under the original copyright terms reproduced below.
|
|
PSBLAS v 2.0 */
|
|
|
|
|
|
/* =====================
|
|
UMFPACK Version 4.4 (Jan. 28, 2005), Copyright (c) 2005 by Timothy A.
|
|
Davis. All Rights Reserved.
|
|
|
|
UMFPACK License:
|
|
|
|
Your use or distribution of UMFPACK or any modified version of
|
|
UMFPACK implies that you agree to this License.
|
|
|
|
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, provided
|
|
that the Copyright, this License, and the Availability of the original
|
|
version is retained on all copies. User documentation of any code that
|
|
uses UMFPACK or any modified version of UMFPACK code must cite the
|
|
Copyright, this License, the Availability note, and "Used by permission."
|
|
Permission to modify the code and to distribute modified code is granted,
|
|
provided the Copyright, this License, and the Availability note are
|
|
retained, and a notice that the code was modified is included. This
|
|
software was developed with support from the National Science Foundation,
|
|
and is provided to you free of charge.
|
|
|
|
Availability:
|
|
|
|
http://www.cise.ufl.edu/research/sparse/umfpack
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifdef Add_
|
|
#define mld_zumf_factor_ mld_zumf_factor_
|
|
#define mld_zumf_solve_ mld_zumf_solve_
|
|
#define mld_zumf_free_ mld_zumf_free_
|
|
#endif
|
|
#ifdef AddDouble_
|
|
#define mld_zumf_factor_ mld_zumf_factor__
|
|
#define mld_zumf_solve_ mld_zumf_solve__
|
|
#define mld_zumf_free_ mld_zumf_free__
|
|
#endif
|
|
#ifdef NoChange
|
|
#define mld_zumf_factor_ mld_zumf_factor
|
|
#define mld_zumf_solve_ mld_zumf_solve
|
|
#define mld_zumf_free_ mld_zumf_free
|
|
#endif
|
|
|
|
|
|
#include <stdio.h>
|
|
#ifdef Have_UMF_
|
|
#include "umfpack.h"
|
|
#endif
|
|
|
|
#ifdef LargeFptr
|
|
typedef long long fptr; /* 64-bit*/
|
|
#else
|
|
typedef int fptr; /* 32-bit by default */
|
|
#endif
|
|
|
|
void
|
|
mld_zumf_factor_(int *n, int *nnz,
|
|
double *values, int *rowind, int *colptr,
|
|
#ifdef Have_UMF_
|
|
fptr *symptr,
|
|
fptr *numptr,
|
|
|
|
#else
|
|
void *symptr,
|
|
void *numptr,
|
|
#endif
|
|
int *info)
|
|
|
|
{
|
|
|
|
#ifdef Have_UMF_
|
|
double Info [UMFPACK_INFO], Control [UMFPACK_CONTROL];
|
|
void *Symbolic, *Numeric ;
|
|
int i;
|
|
|
|
|
|
umfpack_zi_defaults(Control);
|
|
|
|
for (i = 0; i <= *n; ++i) --colptr[i];
|
|
for (i = 0; i < *nnz; ++i) --rowind[i];
|
|
*info = umfpack_zi_symbolic (*n, *n, colptr, rowind, values, NULL, &Symbolic,
|
|
Control, Info);
|
|
|
|
|
|
if ( *info == UMFPACK_OK ) {
|
|
*info = 0;
|
|
} else {
|
|
printf("umfpack_zi_symbolic() error returns INFO= %d\n", *info);
|
|
*info = -11;
|
|
*numptr = (fptr) NULL;
|
|
return;
|
|
}
|
|
|
|
*symptr = (fptr) Symbolic;
|
|
|
|
*info = umfpack_zi_numeric (colptr, rowind, values, NULL, Symbolic, &Numeric,
|
|
Control, Info) ;
|
|
|
|
|
|
if ( *info == UMFPACK_OK ) {
|
|
*info = 0;
|
|
*numptr = (fptr) Numeric;
|
|
} else {
|
|
printf("umfpack_zi_numeric() error returns INFO= %d\n", *info);
|
|
*info = -12;
|
|
*numptr = (fptr) NULL;
|
|
}
|
|
|
|
for (i = 0; i <= *n; ++i) ++colptr[i];
|
|
for (i = 0; i < *nnz; ++i) ++rowind[i];
|
|
#else
|
|
fprintf(stderr," UMF Not Configured, fix make.inc and recompile\n");
|
|
*info=-1;
|
|
#endif
|
|
}
|
|
|
|
|
|
void
|
|
mld_zumf_solve_(int *itrans, int *n,
|
|
double *x, double *b, int *ldb,
|
|
#ifdef Have_UMF_
|
|
fptr *numptr,
|
|
|
|
#else
|
|
void *numptr,
|
|
#endif
|
|
int *info)
|
|
|
|
{
|
|
#ifdef Have_UMF_
|
|
double Info [UMFPACK_INFO], Control [UMFPACK_CONTROL];
|
|
void *Symbolic, *Numeric ;
|
|
int i,trans;
|
|
|
|
|
|
umfpack_di_defaults(Control);
|
|
Control[UMFPACK_IRSTEP]=0;
|
|
|
|
|
|
if (*itrans == 0) {
|
|
trans = UMFPACK_A;
|
|
} else if (*itrans ==1) {
|
|
trans = UMFPACK_At;
|
|
} else {
|
|
trans = UMFPACK_A;
|
|
}
|
|
|
|
*info = umfpack_zi_solve(trans,NULL,NULL,NULL,NULL,
|
|
x,NULL,b,NULL,(void *) *numptr,Control,Info);
|
|
|
|
#else
|
|
fprintf(stderr," UMF Not Configured, fix make.inc and recompile\n");
|
|
*info=-1;
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
void
|
|
mld_zumf_free_(
|
|
#ifdef Have_UMF_
|
|
fptr *symptr,
|
|
fptr *numptr,
|
|
|
|
#else
|
|
void *symptr,
|
|
void *numptr,
|
|
#endif
|
|
int *info)
|
|
|
|
{
|
|
#ifdef Have_UMF_
|
|
void *Symbolic, *Numeric ;
|
|
Symbolic = (void *) *symptr;
|
|
Numeric = (void *) *numptr;
|
|
|
|
umfpack_zi_free_numeric(&Numeric);
|
|
umfpack_zi_free_symbolic(&Symbolic);
|
|
*info=0;
|
|
#else
|
|
fprintf(stderr," UMF Not Configured, fix make.inc and recompile\n");
|
|
*info=-1;
|
|
#endif
|
|
}
|
|
|
|
|