/usr/include/trilinos/icrout_cholesky_mex.h is in libtrilinos-dev 10.4.0.dfsg-1ubuntu2.
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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.
//
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
//@HEADER
*/
#undef IFPACK
#ifdef __cplusplus
extern "C" {
#endif
/*
* Data structure for sparse matrices is CSR, 0-based indexing.
*/
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 */
} Matrix;
void ifpack_quicksort (int *const pbase, double *const daux, size_t total_elems);
void Matrix_dealloc(Matrix *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 Matrix *AL,
const double *Adiag,
#endif
double droptol,
int lfil,
Matrix *L,
double **pdiag);
#ifdef __cplusplus
}
#endif
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