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MueluPreconditioner.h
// Copyright (C) 2014 Chris Richardson
//
// This file is part of DOLFIN.
//
// DOLFIN 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 3 of the License, or
// (at your option) any later version.
//
// DOLFIN 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 DOLFIN. If not, see <http://www.gnu.org/licenses/>.
//
#ifndef __DOLFIN_MUELU_PRECONDITIONER_H
#define __DOLFIN_MUELU_PRECONDITIONER_H
#ifdef HAS_TRILINOS
//#include <MueLu.hpp>
#include <MueLu_TpetraOperator.hpp>
#include "BelosKrylovSolver.h"
#include "TrilinosPreconditioner.h"
#include "TpetraMatrix.h"
#include "TpetraVector.h"
namespace dolfin
{
class BelosKrylovSolver;
class MueluPreconditioner : public TrilinosPreconditioner, public Variable
{
public:
MueluPreconditioner();
virtual ~MueluPreconditioner();
virtual void set(BelosKrylovSolver& solver);
std::string str(bool verbose) const;
virtual void init(std::shared_ptr<const TpetraMatrix> P);
static Parameters default_parameters();
private:
typedef Tpetra::Operator<double, int, dolfin::la_index,
TpetraVector::node_type> op_type;
typedef MueLu::TpetraOperator<double, int, dolfin::la_index,
TpetraVector::node_type> prec_type;
// Muelu preconditioner, to be constructed from a Tpetra Operator
// or Matrix
Teuchos::RCP<prec_type> _prec;
};
}
#endif
#endif
dolfin::BelosKrylovSolver
Definition BelosKrylovSolver.h:52
dolfin::MueluPreconditioner::str
std::string str(bool verbose) const
Return informal string representation (pretty-print).
Definition MueluPreconditioner.cpp:61
dolfin::MueluPreconditioner::init
virtual void init(std::shared_ptr< const TpetraMatrix > P)
Initialise preconditioner based on Operator P.
Definition MueluPreconditioner.cpp:41
dolfin::MueluPreconditioner::default_parameters
static Parameters default_parameters()
Default parameter values.
Definition MueluPreconditioner.cpp:76
dolfin::MueluPreconditioner::MueluPreconditioner
MueluPreconditioner()
Create a particular preconditioner object.
Definition MueluPreconditioner.cpp:30
dolfin::MueluPreconditioner::set
virtual void set(BelosKrylovSolver &solver)
Set the preconditioner on a solver.
Definition MueluPreconditioner.cpp:56
dolfin::MueluPreconditioner::~MueluPreconditioner
virtual ~MueluPreconditioner()
Destructor.
Definition MueluPreconditioner.cpp:36
dolfin::Parameters
Definition Parameters.h:95
dolfin::TpetraVector::node_type
Tpetra::MultiVector ::node_type node_type
Node type.
Definition TpetraVector.h:58
dolfin::TrilinosPreconditioner::TrilinosPreconditioner
TrilinosPreconditioner()
Constructor.
Definition TrilinosPreconditioner.h:41
dolfin::Variable::Variable
Variable()
Create unnamed variable.
Definition Variable.cpp:31
dolfin
Definition adapt.h:30
dolfin::la_index
PetscInt la_index
Index type for compatibility with linear algebra backend(s).
Definition types.h:32