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.
//
// 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
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
//@HEADER
*/

#ifndef IFPACK_H
#define IFPACK_H


#include "Ifpack_ConfigDefs.h"
#include "Ifpack_Preconditioner.h"
#include "Teuchos_iostream_helpers.hpp"


#ifdef HAVE_HYPRE
#include "Ifpack_Hypre.h"
#endif



class Ifpack {
public:

  enum EPrecType {
    POINT_RELAXATION
    ,POINT_RELAXATION_STAND_ALONE
    ,BLOCK_RELAXATION
    ,BLOCK_RELAXATION_STAND_ALONE
    ,BLOCK_RELAXATION_STAND_ALONE_ILU
    ,BLOCK_RELAXATION_STAND_ALONE_ILUT
    ,BLOCK_RELAXATION_STAND_ALONE_IC
#ifdef HAVE_IFPACK_SUPERLU
    ,BLOCK_RELAXATION_STAND_ALONE_SILU
#endif
#ifdef HAVE_IFPACK_AMESOS
    ,BLOCK_RELAXATION_STAND_ALONE_AMESOS
    ,BLOCK_RELAXATION_AMESOS
    ,AMESOS
    ,AMESOS_STAND_ALONE
#endif // HAVE_IFPACK_AMESOS
    ,IC
    ,IC_STAND_ALONE
    ,ICT
    ,ICT_STAND_ALONE
    ,ILU
    ,ILU_STAND_ALONE
    ,ILUT
    ,ILUT_STAND_ALONE
#ifdef HAVE_IFPACK_SPARSKIT
    ,SPARSKIT
#endif // HAVE_IFPACK_SPARSKIT
#ifdef HAVE_IFPACK_HIPS
  ,HIPS
#endif
#ifdef HAVE_HYPRE
  ,HYPRE
#endif
#ifdef HAVE_IFPACK_SUPERLU
  ,SILU
#endif
#if defined (HAVE_IFPACK_SUPPORTGRAPH) && defined (HAVE_IFPACK_AMESOS)
    ,MSF_AMESOS
#endif
#ifdef HAVE_IFPACK_SUPPORTGRAPH
    ,MSF_IC
#endif
    ,CHEBYSHEV
    ,POLYNOMIAL
    ,KRYLOV
    ,IHSS
    ,SORA
    ,TRIDI_RELAXATION
    ,TRIDI_RELAXATION_STAND_ALONE
  };

  static const int numPrecTypes =
    +7
#ifdef HAVE_IFPACK_AMESOS
    +4
#endif
    +8
#ifdef HAVE_IFPACK_SPARSKIT
    +1
#endif
#ifdef HAVE_IFPACK_HIPS
    +1
#endif    
#ifdef HAVE_HYPRE
    +1
#endif
#ifdef HAVE_IFPACK_SUPERLU
    +2
#endif
#if defined (HAVE_IFPACK_SUPPORTGRAPH) && defined (HAVE_IFPACK_AMESOS)
    +1
#endif
#ifdef HAVE_IFPACK_SUPPORTGRAPH
    +1
#endif
    +7
    ;

  static const EPrecType precTypeValues[numPrecTypes];

  static const char* precTypeNames[numPrecTypes];

  static const bool supportsUnsymmetric[numPrecTypes];

  static const char* toString(const EPrecType precType)
      { return precTypeNames[precType]; }

  static Ifpack_Preconditioner* Create(
    EPrecType PrecType, Epetra_RowMatrix* Matrix, const int overlap = 0, bool overrideSerialDefault = false
    );

  Ifpack_Preconditioner* Create(const string PrecType,
                Epetra_RowMatrix* Matrix,
                const int overlap = 0,
                                bool overrideSerialDefault = false);

  int SetParameters(int argc, char* argv[],
                    Teuchos::ParameterList& List, string& PrecType,
                    int& Overlap);

};


TEUCHOS_ENUM_INPUT_STREAM_OPERATOR(Ifpack::EPrecType)


#endif