/usr/include/trilinos/Ifpack_IC_Utils.h is in libtrilinos-ifpack-dev 12.12.1-5.
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// ***********************************************************************
//
// Ifpack: Object-Oriented Algebraic Preconditioner Package
// Copyright (2002) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
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//@HEADER
*/
#ifndef IFPACK_IC_UTILS_H
#define IFPACK_IC_UTILS_H
typedef struct {
double *val; /* also known as A */
int *col; /* also known as JA; first column is column 0 */
int *ptr; /* also known as IA; with ptr[0] = 0 */
} Ifpack_AIJMatrix;
extern "C" {
void ifpack_multilist_sort (int *const pbase, double *const daux, int total_elems);
}
void Ifpack_AIJMatrix_dealloc(Ifpack_AIJMatrix *a);
void crout_ict(
int n,
#ifdef IFPACK
void * A,
int maxentries,
int (*getcol)( void * A, int col, int ** nentries, double * val, int * ind),
int (*getdiag)( void *A, double * diag),
#else
const Ifpack_AIJMatrix *AL,
const double *Adiag,
#endif
double droptol,
int lfil,
Ifpack_AIJMatrix *L,
double **pdiag);
#endif
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