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