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Ifpack_IC_Utils.h
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
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37// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
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40//@HEADER
41*/
42
43#ifndef IFPACK_IC_UTILS_H
44#define IFPACK_IC_UTILS_H
45
46typedef struct {
47 double *val; /* also known as A */
48 int *col; /* also known as JA; first column is column 0 */
49 int *ptr; /* also known as IA; with ptr[0] = 0 */
51
52extern "C" {
53void ifpack_multilist_sort (int *const pbase, double *const daux, int total_elems);
54}
55
56void Ifpack_AIJMatrix_dealloc(Ifpack_AIJMatrix *a);
57
58void crout_ict(
59 int n,
60#ifdef IFPACK
61 void * A,
62 int maxentries,
63 int (*getcol)( void * A, int col, int ** nentries, double * val, int * ind),
64 int (*getdiag)( void *A, double * diag),
65#else
66 const Ifpack_AIJMatrix *AL,
67 const double *Adiag,
68#endif
69 double droptol,
70 int lfil,
72 double **pdiag);
73
74
75#endif