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az_ifpack_prec_destroy.c
1/*@HEADER
2// ***********************************************************************
3//
4// Ifpack: Object-Oriented Algebraic Preconditioner Package
5// Copyright (2002) Sandia Corporation
6//
7// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
8// license for use of this work by or on behalf of the U.S. Government.
9//
10// Redistribution and use in source and binary forms, with or without
11// modification, are permitted provided that the following conditions are
12// met:
13//
14// 1. Redistributions of source code must retain the above copyright
15// notice, this list of conditions and the following disclaimer.
16//
17// 2. Redistributions in binary form must reproduce the above copyright
18// notice, this list of conditions and the following disclaimer in the
19// documentation and/or other materials provided with the distribution.
20//
21// 3. Neither the name of the Corporation nor the names of the
22// contributors may be used to endorse or promote products derived from
23// this software without specific prior written permission.
24//
25// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
26// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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36//
37// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
38//
39// ***********************************************************************
40//@HEADER
41*/
42
43/*******************************************************************************
44 * MATRIX FREE matrix vector multiplication
45 ******************************************************************************/
46
47#include <stdio.h>
48#include <stdlib.h>
49#include <math.h>
50#include "az_aztec.h"
51#include "az_ifpack.h"
52
53void AZ_ifpack_prec_destroy(int *options, double *params, int *proc_config,
54 AZ_MATRIX *Amat, AZ_PRECOND *Prec)
55{
56 AZ_IFPACK *Prec_pass_data;
57 void *precon, *bmat;
58
59 Prec_pass_data = (AZ_IFPACK *) Prec->Pmat->aux_ptr;
60
61 precon = Prec_pass_data->precon;
62 bmat = Prec_pass_data->bmat;
63 options[AZ_precond] = Prec_pass_data->user_precon; /* Restore user prec*/
64
65
66
67 /* Free allocated memory */
68
69
70 ifp_freepreconditioner(precon);
71 /*ifp_freeblockmatrix(bmat); Need to fix the destructor for BlockMat*/
72
73 /* Must make sure to clean up everything!!!!*/
74
75 AZ_free((void *) Prec_pass_data);
76
77 }