cub/util_namespace.cuh
File members: cub/util_namespace.cuh
/******************************************************************************
* Copyright (c) 2011, Duane Merrill. All rights reserved.
* Copyright (c) 2011-2021, NVIDIA CORPORATION. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of the NVIDIA CORPORATION nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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******************************************************************************/
#pragma once
// This is not used by this file; this is a hack so that we can detect the
// CUB version from Thrust on older versions of CUB that did not have
// version.cuh.
#include <cub/version.cuh>
#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
# pragma GCC system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
# pragma clang system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
# pragma system_header
#endif // no system header
#include <cub/detail/detect_cuda_runtime.cuh>
// Prior to 1.13.1, only the PREFIX/POSTFIX macros were used. Notify users
// that they must now define the qualifier macro, too.
#if (defined(CUB_NS_PREFIX) || defined(CUB_NS_POSTFIX)) && !defined(CUB_NS_QUALIFIER)
# error CUB requires a definition of CUB_NS_QUALIFIER when CUB_NS_PREFIX/POSTFIX are defined.
#endif
#ifdef THRUST_CUB_WRAPPED_NAMESPACE
# define CUB_WRAPPED_NAMESPACE THRUST_CUB_WRAPPED_NAMESPACE
#endif
#ifdef CUB_WRAPPED_NAMESPACE
# define CUB_NS_PREFIX \
namespace CUB_WRAPPED_NAMESPACE \
{
# define CUB_NS_POSTFIX }
# define CUB_NS_QUALIFIER ::CUB_WRAPPED_NAMESPACE::cub
#endif
#ifndef CUB_NS_PREFIX
# define CUB_NS_PREFIX
#endif
#ifndef CUB_NS_POSTFIX
# define CUB_NS_POSTFIX
#endif
#ifndef CUB_NS_QUALIFIER
# define CUB_NS_QUALIFIER ::cub
#endif
#if defined(CUB_DISABLE_NAMESPACE_MAGIC) || defined(CUB_WRAPPED_NAMESPACE)
# if !defined(CUB_WRAPPED_NAMESPACE)
# if !defined(CUB_IGNORE_NAMESPACE_MAGIC_ERROR)
# error "Disabling namespace magic is unsafe without wrapping namespace"
# endif // !defined(CUB_IGNORE_NAMESPACE_MAGIC_ERROR)
# endif // !defined(CUB_WRAPPED_NAMESPACE)
# define CUB_DETAIL_MAGIC_NS_BEGIN
# define CUB_DETAIL_MAGIC_NS_END
#else // not defined(CUB_DISABLE_NAMESPACE_MAGIC)
# if defined(_NVHPC_CUDA)
# define CUB_DETAIL_MAGIC_NS_BEGIN \
inline namespace _CCCL_PP_SPLICE_WITH(_, CUB, CUB_VERSION, SM, NV_TARGET_SM_INTEGER_LIST, NVHPC) \
{
# define CUB_DETAIL_MAGIC_NS_END }
# else // not defined(_NVHPC_CUDA)
# define CUB_DETAIL_MAGIC_NS_BEGIN \
inline namespace _CCCL_PP_SPLICE_WITH(_, CUB, CUB_VERSION, SM, __CUDA_ARCH_LIST__) \
{
# define CUB_DETAIL_MAGIC_NS_END }
# endif // not defined(_NVHPC_CUDA)
#endif // not defined(CUB_DISABLE_NAMESPACE_MAGIC)
#define CUB_NAMESPACE_BEGIN \
CUB_NS_PREFIX \
namespace cub \
{ \
CUB_DETAIL_MAGIC_NS_BEGIN
#define CUB_NAMESPACE_END \
CUB_DETAIL_MAGIC_NS_END \
} /* end namespace cub */ \
CUB_NS_POSTFIX
// Declare these namespaces here for the purpose of Doxygenating them
CUB_NS_PREFIX
namespace cub
{
}
CUB_NS_POSTFIX