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// ************************************************************************
//
// Belos: Block Linear Solvers Package
// Copyright 2004 Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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#ifndef BELOS_DETAILS_LINEARSOLVERFACTORY_HPP
#define BELOS_DETAILS_LINEARSOLVERFACTORY_HPP
/// \file Belos_Details_LinearSolverFactory.hpp
/// \brief Implementation of Trilinos::Details::LinearSolverFactory.
#include "BelosSolverFactory.hpp"
#include "Belos_Details_LinearSolver.hpp"
#include "Trilinos_Details_LinearSolverFactory.hpp"
namespace Belos {
namespace Details {
/// \class LinearSolver
/// \brief Belos' implementation of Trilinos::Details::LinearSolverFactory.
template<class MV, class OP, class ScalarType, class NormType>
class LinearSolverFactory :
public Trilinos::Details::LinearSolverFactory<MV, OP, NormType>
{
public:
/// \brief Get an instance of a Belos solver.
///
/// The solver is wrapped in a Trilinos::Details::LinearSolver
/// interface.
///
/// \param solverName [in] The solver's name. Names are case
/// sensitive.
/// \return A pointer to the solver, if the name was valid; else,
/// a null pointer (Teuchos::null).
virtual Teuchos::RCP<Trilinos::Details::LinearSolver<MV, OP, NormType> >
getLinearSolver (const std::string& solverName)
{
using Teuchos::rcp;
return rcp (new Belos::Details::LinearSolver<MV, OP, ScalarType, NormType> (solverName));
}
/// \brief Register this LinearSolverFactory with the central registry.
///
/// Register this LinearSolverFactory with the central registry, for
/// the given SC, LO, GO, NT template parameters. This will let any
/// clients of Trilinos::Details::getLinearSolver create Belos
/// solvers with those template parameters.
///
/// You may call this function multiple times; it will only have an
/// effect the first time (it is idempotent).
///
/// Users do not normally have to call this function. Belos
/// automatically registers its LinearSolverFactory with the central
/// repository, for all enabled template parameter combinations.
static void registerLinearSolverFactory ()
{
typedef Belos::Details::LinearSolverFactory<MV, OP, ScalarType, NormType> this_type;
#ifdef HAVE_TEUCHOSCORE_CXX11
typedef std::shared_ptr<this_type> ptr_type;
//typedef std::shared_ptr<Trilinos::Details::LinearSolverFactory<MV, OP> > base_ptr_type;
#else
typedef Teuchos::RCP<this_type> ptr_type;
//typedef Teuchos::RCP<Trilinos::Details::LinearSolverFactory<MV, OP> > base_ptr_type;
#endif // HAVE_TEUCHOSCORE_CXX11
ptr_type factory (new this_type ());
Trilinos::Details::registerLinearSolverFactory<MV, OP, NormType> ("Belos", factory);
}
};
} // namespace Details
} // namespace Belos
#endif /* BELOS_DETAILS_LINEARSOLVERFACTORY_HPP */
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