az_ifpack.h

/*@HEADER
// ***********************************************************************
// 
//       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
*/

#include "ifp_c_wrappers.h"
/**********************************************************************/
/**********************************************************************/
/**********************************************************************/

struct AZ_IFPACK_STRUCT {                  
/* Data passing structure. This user */
/* defined data structure is used to pass information through   */
/* Aztec and back into the user's matrix-vector product. */
  int nr, nc;
  void *precon, *bmat;
  double *input_vector;
  int user_precon;
  void *user_aux_ptr;
};

typedef struct AZ_IFPACK_STRUCT AZ_IFPACK;

void AZ_ifpack_prec_create(double *x, double *b,
               int *options, double *params,
               int *proc_config,
               AZ_MATRIX *Amat, AZ_PRECOND **Prec);

void AZ_ifpack_iterate(double *x, double *b,
               int *options, double *params, 
               double *status, int *proc_config,
               AZ_MATRIX *Amat);

void AZ_ifpack_precon(double x[], int *, int *,
                     double *, AZ_MATRIX *Amat, AZ_PRECOND *prec);

void AZ_ifpack_prec_destroy(int *options, double *params,
                 int *proc_config, AZ_MATRIX *Amat, AZ_PRECOND *Prec);

void az2ifp_blockmatrix (void **bmat, AZ_MATRIX *Amat);

---