cuda_toolkit/include/experimental/__config

// -*- C++ -*-
//===--------------------------- __config ---------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef _LIBCUDACXX_EXPERIMENTAL_CONFIG
#define _LIBCUDACXX_EXPERIMENTAL_CONFIG

#include <__config>

#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

#define _LIBCUDACXX_BEGIN_NAMESPACE_EXPERIMENTAL namespace std { namespace experimental {
#define _LIBCUDACXX_END_NAMESPACE_EXPERIMENTAL  } }
#define _CUDA_VSTD_EXPERIMENTAL std::experimental

#define _LIBCUDACXX_BEGIN_NAMESPACE_LFTS _LIBCUDACXX_BEGIN_NAMESPACE_EXPERIMENTAL inline namespace fundamentals_v1 {
#define _LIBCUDACXX_END_NAMESPACE_LFTS  } } }
#define _CUDA_VSTD_LFTS _CUDA_VSTD_EXPERIMENTAL::fundamentals_v1

#define _LIBCUDACXX_BEGIN_NAMESPACE_LFTS_V2 _LIBCUDACXX_BEGIN_NAMESPACE_EXPERIMENTAL inline namespace fundamentals_v2 {
#define _LIBCUDACXX_END_NAMESPACE_LFTS_V2  } } }
#define _CUDA_VSTD_LFTS_V2 _CUDA_VSTD_EXPERIMENTAL::fundamentals_v2

#define _LIBCUDACXX_BEGIN_NAMESPACE_LFTS_PMR _LIBCUDACXX_BEGIN_NAMESPACE_LFTS namespace pmr {
#define _LIBCUDACXX_END_NAMESPACE_LFTS_PMR _LIBCUDACXX_END_NAMESPACE_LFTS }
#define _CUDA_VSTD_LFTS_PMR _CUDA_VSTD_LFTS::pmr

#define _LIBCUDACXX_BEGIN_NAMESPACE_CHRONO_LFTS _LIBCUDACXX_BEGIN_NAMESPACE_STD        \
  namespace chrono { namespace experimental { inline namespace fundamentals_v1 {
#define _LIBCUDACXX_END_NAMESPACE_CHRONO_LFTS _LIBCUDACXX_END_NAMESPACE_STD } } }

#if defined(_LIBCUDACXX_NO_EXPERIMENTAL_DEPRECATION_WARNING_FILESYSTEM)
#   define _LIBCUDACXX_DEPRECATED_EXPERIMENTAL_FILESYSTEM /* nothing */
#else
#   define _LIBCUDACXX_DEPRECATED_EXPERIMENTAL_FILESYSTEM __attribute__((deprecated("std::experimental::filesystem has now been deprecated in favor of C++17's std::filesystem. Please stop using it and start using std::filesystem. This experimental version will be removed in LLVM 11. You can remove this warning by defining the _LIBCUDACXX_NO_EXPERIMENTAL_DEPRECATION_WARNING_FILESYSTEM macro.")))
#endif

#define _LIBCUDACXX_BEGIN_NAMESPACE_EXPERIMENTAL_FILESYSTEM \
    _LIBCUDACXX_BEGIN_NAMESPACE_EXPERIMENTAL namespace filesystem _LIBCUDACXX_DEPRECATED_EXPERIMENTAL_FILESYSTEM { \
    inline namespace v1 {

#define _LIBCUDACXX_END_NAMESPACE_EXPERIMENTAL_FILESYSTEM \
    } } _LIBCUDACXX_END_NAMESPACE_EXPERIMENTAL

#define _LIBCUDACXX_BEGIN_NAMESPACE_EXPERIMENTAL_COROUTINES \
  _LIBCUDACXX_BEGIN_NAMESPACE_EXPERIMENTAL inline namespace coroutines_v1 {

#define _LIBCUDACXX_END_NAMESPACE_EXPERIMENTAL_COROUTINES \
  } _LIBCUDACXX_END_NAMESPACE_EXPERIMENTAL

#define _CUDA_VSTD_CORO _CUDA_VSTD_EXPERIMENTAL::coroutines_v1

#define _LIBCUDACXX_BEGIN_NAMESPACE_EXPERIMENTAL_SIMD \
    _LIBCUDACXX_BEGIN_NAMESPACE_EXPERIMENTAL inline namespace parallelism_v2 {

#define _LIBCUDACXX_END_NAMESPACE_EXPERIMENTAL_SIMD \
    } _LIBCUDACXX_END_NAMESPACE_EXPERIMENTAL

#define _LIBCUDACXX_BEGIN_NAMESPACE_EXPERIMENTAL_SIMD_ABI \
    _LIBCUDACXX_BEGIN_NAMESPACE_EXPERIMENTAL_SIMD namespace simd_abi {

#define _LIBCUDACXX_END_NAMESPACE_EXPERIMENTAL_SIMD_ABI \
    } _LIBCUDACXX_END_NAMESPACE_EXPERIMENTAL_SIMD

// TODO: support more targets
#if defined(__AVX__)
#define _LIBCUDACXX_NATIVE_SIMD_WIDTH_IN_BYTES 32
#else
#define _LIBCUDACXX_NATIVE_SIMD_WIDTH_IN_BYTES 16
#endif

#endif