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lammps/lib/kokkos/core/src/Kokkos_AnonymousSpace.hpp
2018-03-08 10:57:08 -07:00

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/*
//@HEADER
// ************************************************************************
//
// Kokkos v. 2.0
// Copyright (2014) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// 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
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact Christian R. Trott (crtrott@sandia.gov)
//
// ************************************************************************
//@HEADER
*/
#ifndef KOKKOS_ANONYMOUSSPACE_HPP
#define KOKKOS_ANONYMOUSSPACE_HPP
#include <Kokkos_Core_fwd.hpp>
#include <Kokkos_Concepts.hpp>
#include <cstddef>
/*--------------------------------------------------------------------------*/
namespace Kokkos {
class AnonymousSpace {
public:
//! Tag this class as a kokkos memory space
typedef AnonymousSpace memory_space;
typedef Kokkos::DefaultExecutionSpace execution_space;
typedef size_t size_type;
//! This memory space preferred device_type
typedef Kokkos::Device< execution_space, memory_space > device_type;
/**\brief Default memory space instance */
AnonymousSpace() = default;
AnonymousSpace( AnonymousSpace && rhs ) = default;
AnonymousSpace( const AnonymousSpace & rhs ) = default;
AnonymousSpace & operator = ( AnonymousSpace && ) = default;
AnonymousSpace & operator = ( const AnonymousSpace & ) = default;
~AnonymousSpace() = default;
/**\brief Return Name of the MemorySpace */
static constexpr const char* name() { return "Anonymous"; }
};
} // namespace Kokkos
//----------------------------------------------------------------------------
namespace Kokkos {
namespace Impl {
template<typename OtherSpace>
struct MemorySpaceAccess< Kokkos::AnonymousSpace , OtherSpace > {
enum { assignable = true };
enum { accessible = true };
enum { deepcopy = true };
};
template<typename OtherSpace>
struct MemorySpaceAccess< OtherSpace, Kokkos::AnonymousSpace > {
enum { assignable = true };
enum { accessible = true };
enum { deepcopy = true };
};
template<>
struct MemorySpaceAccess< Kokkos::AnonymousSpace, Kokkos::AnonymousSpace > {
enum { assignable = true };
enum { accessible = true };
enum { deepcopy = true };
};
template<typename OtherSpace>
struct VerifyExecutionCanAccessMemorySpace<OtherSpace, Kokkos::AnonymousSpace>
{
enum {value = 1};
KOKKOS_INLINE_FUNCTION static void verify(void) {}
KOKKOS_INLINE_FUNCTION static void verify(const void *) {}
};
template<typename OtherSpace>
struct VerifyExecutionCanAccessMemorySpace<Kokkos::AnonymousSpace, OtherSpace>
{
enum {value = 1};
KOKKOS_INLINE_FUNCTION static void verify(void) {}
KOKKOS_INLINE_FUNCTION static void verify(const void *) {}
};
} // namespace Impl
} // namespace Kokkos
#endif // #define KOKKOS_ANONYMOUSSPACE_HPP