/usr/include/trilinos/Xpetra_DefaultPlatform.hpp is in libtrilinos-xpetra-dev 12.4.2-2.
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//
// ***********************************************************************
//
// Xpetra: A linear algebra interface package
// Copyright 2012 Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// @HEADER
#ifndef XPETRA_DEFAULTPLATFORM_HPP
#define XPETRA_DEFAULTPLATFORM_HPP
#include <Kokkos_DefaultNode.hpp>
#include "Xpetra_ConfigDefs.hpp"
#include "Xpetra_SerialPlatform.hpp"
#ifdef HAVE_MPI
# include "Xpetra_MpiPlatform.hpp"
#endif
#include "Xpetra_ConfigDefs.hpp"
namespace Xpetra {
/** \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:
//! Typedef indicating the default platform type specified at compile time. For a serial build, this will be SerialPlatform. Otherwise, it will be MpiPlatform.
#ifdef HAVE_MPI
typedef MpiPlatform<KokkosClassic::DefaultNode::DefaultNodeType> DefaultPlatformType;
#else
typedef SerialPlatform<KokkosClassic::DefaultNode::DefaultNodeType> DefaultPlatformType;
#endif
/** \brief Return the default platform.
*/
static DefaultPlatformType & getDefaultPlatform();
private:
static Teuchos::RCP<DefaultPlatformType> platform_;
};
} // namespace Xpetra
#endif // XPETRA_DEFAULTPLATFORM_HPP
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