/usr/include/trilinos/Tpetra_DefaultPlatform.hpp is in libtrilinos-tpetra-dev 12.4.2-2.
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// ***********************************************************************
//
// Tpetra: Templated Linear Algebra Services Package
// Copyright (2008) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
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// @HEADER
#ifndef TPETRA_DEFAULT_PLATFORM_HPP
#define TPETRA_DEFAULT_PLATFORM_HPP
#include <Kokkos_DefaultNode.hpp>
#include "Tpetra_ConfigDefs.hpp"
#include "Tpetra_SerialPlatform.hpp"
#ifdef HAVE_MPI
# include "Tpetra_MpiPlatform.hpp"
#endif
namespace Tpetra {
/** \brief Returns a default platform appropriate for the enviroment.
The DefaultPlatform mechanism is useful for easily accessing default
Comm and Node types on a particular system.
If HAVE_MPI is defined, then an instance of <tt>MpiPlatform</tt> will be
created. Otherwise, a <tt>SerialPlatform</tt> is returned.
*/
class DefaultPlatform {
public:
/// \brief The default platform type specified at compile time.
///
/// For a serial build, this will be SerialPlatform. Otherwise, it
/// will be MpiPlatform.
#ifdef HAVE_TPETRA_MPI
typedef MpiPlatform<Details::DefaultTypes::node_type> DefaultPlatformType;
#else
typedef SerialPlatform<Details::DefaultTypes::node_type> DefaultPlatformType;
#endif
//! Return a reference to the default platform singleton.
static DefaultPlatformType& getDefaultPlatform ();
private:
//! The default platform singleton.
static Teuchos::RCP<DefaultPlatformType> platform_;
};
} // namespace Tpetra
#endif // TPETRA_DEFAULT_PLATFORM_HPP
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