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//
// Part of libcu++, the C++ Standard Library for your entire system,
// 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
// SPDX-FileCopyrightText: Copyright (c) 2023 NVIDIA CORPORATION & AFFILIATES.
//
//===----------------------------------------------------------------------===//
#ifndef __CCCL_CONFIG
#define __CCCL_CONFIG
// Determine the host compiler
#if defined(__INTEL_LLVM_COMPILER)
# define _CCCL_COMPILER_ICC_LLVM
#elif defined(__INTEL_COMPILER)
# define _CCCL_COMPILER_ICC
#elif defined(__NVCOMPILER)
# define _CCCL_COMPILER_NVHPC
#elif defined(__clang__)
# define _CCCL_COMPILER_CLANG
#elif defined(__GNUC__)
# define _CCCL_COMPILER_GCC
#elif defined(_MSC_VER)
# define _CCCL_COMPILER_MSVC
#elif defined(__IBMCPP__)
# define _CCCL_COMPILER_IBM
#elif defined(__CUDACC_RTC__)
# define _CCCL_COMPILER_NVRTC
#endif
// Convenient shortcut to determine which version of MSVC we are dealing with
#if defined(_CCCL_COMPILER_MSVC)
# if _MSC_VER < 1917
# define _CCCL_COMPILER_MSVC_2017
# elif _MSC_VER < 1930
# define _CCCL_COMPILER_MSVC_2019
# else // _MSC_VER < 1940
# define _CCCL_COMPILER_MSVC_2022
# endif // _MSC_VER < 1940
#endif // _CCCL_COMPILER_MSVC
// Determine the cuda compiler
#if defined(__NVCC__)
# define _CCCL_CUDA_COMPILER_NVCC
#elif defined(_NVHPC_CUDA)
# define _CCCL_CUDA_COMPILER_NVHPC
#elif defined(__CUDA__) && defined(_CCCL_COMPILER_CLANG)
# define _CCCL_CUDA_COMPILER_CLANG
#endif
// Shorthand to check whether there is a cuda compiler available
#if defined(_CCCL_CUDA_COMPILER_NVCC) || defined(_CCCL_CUDA_COMPILER_NVHPC) || defined(_CCCL_CUDA_COMPILER_CLANG) \
|| defined(_CCCL_COMPILER_NVRTC)
# define _CCCL_CUDA_COMPILER
#endif // cuda compiler available
// Enforce that cccl headers are treated as system headers
#if defined(_CCCL_COMPILER_GCC) || defined(_CCCL_COMPILER_NVHPC) || defined(_CCCL_COMPILER_ICC) \
|| defined(_CCCL_COMPILER_ICC_LLVM)
# define _CCCL_FORCE_SYSTEM_HEADER_GCC
#elif defined(_CCCL_COMPILER_CLANG)
# define _CCCL_FORCE_SYSTEM_HEADER_CLANG
#elif defined(_CCCL_COMPILER_MSVC)
# define _CCCL_FORCE_SYSTEM_HEADER_MSVC
#endif // other compilers
// Potentially enable that cccl headers are treated as system headers
#if !defined(_CCCL_NO_SYSTEM_HEADER) \
&& !(defined(_CCCL_COMPILER_MSVC) && defined(_LIBCUDACXX_DISABLE_PRAGMA_MSVC_WARNING)) \
&& !defined(_CCCL_COMPILER_NVRTC) && !defined(_LIBCUDACXX_DISABLE_PRAGMA_GCC_SYSTEM_HEADER)
# if defined(_CCCL_COMPILER_GCC) || defined(_CCCL_COMPILER_NVHPC) || defined(_CCCL_COMPILER_ICC) \
|| defined(_CCCL_COMPILER_ICC_LLVM)
# define _CCCL_IMPLICIT_SYSTEM_HEADER_GCC
# elif defined(_CCCL_COMPILER_CLANG)
# define _CCCL_IMPLICIT_SYSTEM_HEADER_CLANG
# elif defined(_CCCL_COMPILER_MSVC)
# define _CCCL_IMPLICIT_SYSTEM_HEADER_MSVC
# endif // other compilers
#endif // Use system header
// Potentially silence all warnings from this header
#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
// Enable us to selectively silence host compiler warnings
#define _CCCL_TOSTRING2(_STR) #_STR
#define _CCCL_TOSTRING(_STR) _CCCL_TOSTRING2(_STR)
#ifdef _CCCL_COMPILER_CLANG
# define _CCCL_DIAG_PUSH _Pragma("clang diagnostic push")
# define _CCCL_DIAG_POP _Pragma("clang diagnostic pop")
# define _CCCL_DIAG_SUPPRESS_CLANG(str) _Pragma(_CCCL_TOSTRING(clang diagnostic ignored str))
# define _CCCL_DIAG_SUPPRESS_GCC(str)
# define _CCCL_DIAG_SUPPRESS_NVHPC(str)
# define _CCCL_DIAG_SUPPRESS_MSVC(str)
#elif defined(_CCCL_COMPILER_GCC)
# define _CCCL_DIAG_PUSH _Pragma("GCC diagnostic push")
# define _CCCL_DIAG_POP _Pragma("GCC diagnostic pop")
# define _CCCL_DIAG_SUPPRESS_CLANG(str)
# define _CCCL_DIAG_SUPPRESS_GCC(str) _Pragma(_CCCL_TOSTRING(GCC diagnostic ignored str))
# define _CCCL_DIAG_SUPPRESS_NVHPC(str)
# define _CCCL_DIAG_SUPPRESS_MSVC(str)
#elif defined(_CCCL_COMPILER_NVHPC)
# define _CCCL_DIAG_PUSH _Pragma("diagnostic push")
# define _CCCL_DIAG_POP _Pragma("diagnostic pop")
# define _CCCL_DIAG_SUPPRESS_CLANG(str)
# define _CCCL_DIAG_SUPPRESS_GCC(str)
# define _CCCL_DIAG_SUPPRESS_NVHPC(str) _Pragma(_CCCL_TOSTRING(diag_suppress str))
# define _CCCL_DIAG_SUPPRESS_MSVC(str)
#elif defined(_CCCL_COMPILER_MSVC)
# define _CCCL_DIAG_PUSH __pragma(warning(push))
# define _CCCL_DIAG_POP __pragma(warning(pop))
# define _CCCL_DIAG_SUPPRESS_CLANG(str)
# define _CCCL_DIAG_SUPPRESS_GCC(str)
# define _CCCL_DIAG_SUPPRESS_NVHPC(str)
# define _CCCL_DIAG_SUPPRESS_MSVC(str) __pragma(warning(disable : str))
#else
# define _CCCL_DIAG_PUSH
# define _CCCL_DIAG_POP
# define _CCCL_DIAG_SUPPRESS_CLANG(str)
# define _CCCL_DIAG_SUPPRESS_GCC(str)
# define _CCCL_DIAG_SUPPRESS_NVHPC(str)
# define _CCCL_DIAG_SUPPRESS_MSVC(str)
#endif
// Convenient shortcuts to silence common warnings
#if defined(_CCCL_COMPILER_CLANG)
# define _CCCL_DIAG_SUPPRESS_DEPRECATED_PUSH \
_CCCL_DIAG_PUSH \
_CCCL_DIAG_SUPPRESS_CLANG("-Wdeprecated") \
_CCCL_DIAG_SUPPRESS_CLANG("-Wdeprecated-declarations")
# define _CCCL_DIAG_SUPPRESS_DEPRECATED_POP _CCCL_DIAG_POP
#elif defined(_CCCL_COMPILER_GCC)
# define _CCCL_DIAG_SUPPRESS_DEPRECATED_PUSH \
_CCCL_DIAG_PUSH \
_CCCL_DIAG_SUPPRESS_GCC("-Wdeprecated") \
_CCCL_DIAG_SUPPRESS_GCC("-Wdeprecated-declarations")
# define _CCCL_DIAG_SUPPRESS_DEPRECATED_POP _CCCL_DIAG_POP
#elif defined(_CCCL_COMPILER_MSVC)
# define _CCCL_DIAG_SUPPRESS_DEPRECATED_PUSH \
_CCCL_DIAG_PUSH \
_CCCL_DIAG_SUPPRESS_MSVC(4996)
# define _CCCL_DIAG_SUPPRESS_DEPRECATED_POP _CCCL_DIAG_POP
#else // !_CCCL_COMPILER_CLANG && !_CCCL_COMPILER_GCC
# define _CCCL_DIAG_SUPPRESS_DEPRECATED_PUSH
# define _CCCL_DIAG_SUPPRESS_DEPRECATED_POP
#endif // !_CCCL_COMPILER_CLANG && !_CCCL_COMPILER_GCC
// Enable us to selectively silence cuda compiler warnings
#if defined(__CUDACC__)
# if !defined(_CCCL_CUDA_COMPILER_CLANG)
# define _CCCL_NV_DIAG_SUPPRESS(_WARNING)
# define _CCCL_NV_DIAG_DEFAULT(_WARNING)
# elif defined(__NVCC_DIAG_PRAGMA_SUPPORT__)
# if defined(_CCCL_COMPILER_MSVC)
# define _CCCL_NV_DIAG_SUPPRESS(_WARNING) __pragma(_CCCL_TOSTRING(nv_diag_suppress _WARNING))
# define _CCCL_NV_DIAG_DEFAULT(_WARNING) __pragma(_CCCL_TOSTRING(nv_diag_default _WARNING))
# else // ^^^ _CCCL_COMPILER_MSVC ^^^ / vvv !_CCCL_COMPILER_MSVC vvv
# define _CCCL_NV_DIAG_SUPPRESS(_WARNING) \
_Pragma(_CCCL_TOSTRING(nv_diagnostic push)) _Pragma(_CCCL_TOSTRING(nv_diag_suppress _WARNING))
# define _CCCL_NV_DIAG_DEFAULT(_WARNING) _Pragma(_CCCL_TOSTRING(nv_diagnostic pop))
# endif // !_CCCL_COMPILER_MSVC
# elif defined(_CCCL_COMPILER_NVHPC)
# define _CCCL_NV_DIAG_SUPPRESS(_WARNING) \
_Pragma(_CCCL_TOSTRING(diagnostic push)) _Pragma(_CCCL_TOSTRING(diag_suppress _WARNING))
# define _CCCL_NV_DIAG_DEFAULT(_WARNING) _Pragma(_CCCL_TOSTRING(diagnostic pop))
# else // ^^^ __NVCC_DIAG_PRAGMA_SUPPORT__ ^^^ / vvv !__NVCC_DIAG_PRAGMA_SUPPORT__ vvv
# if defined(_CCCL_COMPILER_MSVC_2017) // MSVC 2017 has issues with restoring the warning
# define _CCCL_NV_DIAG_SUPPRESS(_WARNING) __pragma(_CCCL_TOSTRING(diag_suppress _WARNING))
# define _CCCL_NV_DIAG_DEFAULT(_WARNING)
# elif defined(_CCCL_COMPILER_MSVC)
# define _CCCL_NV_DIAG_SUPPRESS(_WARNING) __pragma(_CCCL_TOSTRING(diag_suppress _WARNING))
# define _CCCL_NV_DIAG_DEFAULT(_WARNING) __pragma(_CCCL_TOSTRING(diag_default _WARNING))
# else // ^^^ _CCCL_COMPILER_MSVC ^^^ / vvv !_CCCL_COMPILER_MSVC vvv
# define _CCCL_NV_DIAG_SUPPRESS(_WARNING) _Pragma(_CCCL_TOSTRING(diag_suppress _WARNING))
# define _CCCL_NV_DIAG_DEFAULT(_WARNING) _Pragma(_CCCL_TOSTRING(diag_default _WARNING))
# endif // !_CCCL_COMPILER_MSVC
# endif // !__NVCC_DIAG_PRAGMA_SUPPORT__
#else // ^^^ __CUDACC__ ^^^ / vvv !__CUDACC__ vvv
# define _CCCL_NV_DIAG_SUPPRESS(_WARNING)
# define _CCCL_NV_DIAG_DEFAULT(_WARNING)
#endif // other compilers
#include "__cccl/ptx_isa.h"
#include "__cccl/version.h"
#include "__cccl/visibility.h"
#endif // __CCCL_CONFIG
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