IFPACK Development
az_ifpack_solve.c
00001 /*@HEADER
00002 // ***********************************************************************
00003 // 
00004 //       Ifpack: Object-Oriented Algebraic Preconditioner Package
00005 //                 Copyright (2002) Sandia Corporation
00006 // 
00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00008 // license for use of this work by or on behalf of the U.S. Government.
00009 // 
00010 // This library is free software; you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as
00012 // published by the Free Software Foundation; either version 2.1 of the
00013 // License, or (at your option) any later version.
00014 //  
00015 // This library is distributed in the hope that it will be useful, but
00016 // WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //  
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00023 // USA
00024 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
00025 // 
00026 // ***********************************************************************
00027 //@HEADER
00028 */
00029 
00030 #include <stdio.h>
00031 #include <stdlib.h>
00032 #include <math.h>
00033 #include <string.h>
00034 #include "az_aztec.h"
00035 #include "az_ifpack.h"
00036 
00037 void AZ_ifpack_solve(double x[], double b[], int options[], double params[],
00038               int indx[], int bindx[], int rpntr[], int cpntr[], int bpntr[],
00039               double val[], int data_org[], double status[], int proc_config[])
00040 {
00041   AZ_MATRIX *Amat;
00042 
00043    Amat    = AZ_matrix_create(data_org[AZ_N_internal]+data_org[AZ_N_border]);
00044 
00045    options[AZ_output] = 1;
00046    if (data_org[AZ_matrix_type] == AZ_MSR_MATRIX) 
00047       AZ_set_MSR(Amat, bindx, val, data_org, 0, NULL, AZ_LOCAL);
00048    else if (data_org[AZ_matrix_type] == AZ_VBR_MATRIX)
00049       AZ_set_VBR(Amat, rpntr, cpntr, bpntr, indx, bindx, val,
00050                  data_org, 0, NULL, AZ_LOCAL);
00051    else {
00052       fprintf(stderr,"Unknown matrix type (%d)\n",data_org[AZ_matrix_type]);
00053       fprintf(stderr,"Matrix-free is now available via AZ_iterate()\n");
00054       exit(1);
00055    }
00056 
00057   AZ_ifpack_iterate(x, b, options, params, status, proc_config, Amat);
00058 
00059   AZ_matrix_destroy(&Amat);
00060 
00061 }
00062 /* AZ_ifpack_solve*/
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