az_ifpack_prec_destroy.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 /*******************************************************************************
00031  * MATRIX FREE  matrix vector multiplication
00032  ******************************************************************************/
00033 
00034 #include <stdio.h>
00035 #include <stdlib.h>
00036 #include <math.h>
00037 #include "az_aztec.h"
00038 #include "az_ifpack.h"
00039 
00040 void AZ_ifpack_prec_destroy(int *options, double *params, int *proc_config,
00041                AZ_MATRIX *Amat, AZ_PRECOND *Prec)
00042 {
00043   AZ_IFPACK *Prec_pass_data;
00044   void *precon, *bmat;
00045   
00046   Prec_pass_data = (AZ_IFPACK *) Prec->Pmat->aux_ptr;
00047 
00048   precon = Prec_pass_data->precon;
00049   bmat = Prec_pass_data->bmat;
00050   options[AZ_precond] = Prec_pass_data->user_precon; /* Restore user prec*/
00051 
00052 
00053 
00054    /* Free allocated memory */
00055 
00056 
00057   ifp_freepreconditioner(precon);
00058   /*ifp_freeblockmatrix(bmat); Need to fix the destructor for BlockMat*/
00059 
00060   /* Must make sure to clean up everything!!!!*/
00061 
00062   AZ_free((void *) Prec_pass_data);
00063 
00064   }

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