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src
Ifpack_IC_Utils.h
Go to the documentation of this file.
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/*@HEADER
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// ***********************************************************************
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//
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// Ifpack: Object-Oriented Algebraic Preconditioner Package
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// Copyright (2002) Sandia Corporation
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//
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// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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// license for use of this work by or on behalf of the U.S. Government.
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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 are
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// met:
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//
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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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//
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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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//
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// 3. Neither the name of the Corporation nor the names of the
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
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//
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// ***********************************************************************
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//@HEADER
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*/
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#ifndef IFPACK_IC_UTILS_H
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#define IFPACK_IC_UTILS_H
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typedef
struct
{
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double
*
val
;
/* also known as A */
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int
*
col
;
/* also known as JA; first column is column 0 */
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int
*
ptr
;
/* also known as IA; with ptr[0] = 0 */
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}
Ifpack_AIJMatrix
;
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extern
"C"
{
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void
ifpack_multilist_sort
(
int
*
const
pbase,
double
*
const
daux,
int
total_elems);
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}
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void
Ifpack_AIJMatrix_dealloc
(
Ifpack_AIJMatrix
*a);
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void
crout_ict
(
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int
n,
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#ifdef IFPACK
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void
*
A
,
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int
maxentries,
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int
(*getcol)(
void
* A,
int
col,
int
** nentries,
double
* val,
int
* ind),
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int
(*getdiag)(
void
*A,
double
* diag),
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#
else
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const
Ifpack_AIJMatrix
*AL,
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const
double
*Adiag,
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#endif
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double
droptol,
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int
lfil,
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Ifpack_AIJMatrix
*L,
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double
**pdiag);
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#endif
Ifpack_AIJMatrix::val
double * val
Definition:
Ifpack_IC_Utils.h:47
A
Ifpack_AIJMatrix_dealloc
void Ifpack_AIJMatrix_dealloc(Ifpack_AIJMatrix *a)
Definition:
Ifpack_IC_Utils.cpp:70
Ifpack_AIJMatrix::col
int * col
Definition:
Ifpack_IC_Utils.h:48
Ifpack_AIJMatrix
Definition:
Ifpack_IC_Utils.h:46
ifpack_multilist_sort
void ifpack_multilist_sort(int *const pbase, double *const daux, int total_elems)
Ifpack_AIJMatrix::ptr
int * ptr
Definition:
Ifpack_IC_Utils.h:49
crout_ict
void crout_ict(int n, const Ifpack_AIJMatrix *AL, const double *Adiag, double droptol, int lfil, Ifpack_AIJMatrix *L, double **pdiag)
Definition:
Ifpack_IC_Utils.cpp:275
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