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/******************************************************************************
* Copyright (c) 2020, 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 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************/
/**
* \file
* Detect compiler information.
*/
#pragma once
// enumerate host compilers we know about
#define CUB_HOST_COMPILER_UNKNOWN 0
#define CUB_HOST_COMPILER_MSVC 1
#define CUB_HOST_COMPILER_GCC 2
#define CUB_HOST_COMPILER_CLANG 3
// enumerate device compilers we know about
#define CUB_DEVICE_COMPILER_UNKNOWN 0
#define CUB_DEVICE_COMPILER_MSVC 1
#define CUB_DEVICE_COMPILER_GCC 2
#define CUB_DEVICE_COMPILER_NVCC 3
#define CUB_DEVICE_COMPILER_CLANG 4
// figure out which host compiler we're using
#if defined(_MSC_VER)
# define CUB_HOST_COMPILER CUB_HOST_COMPILER_MSVC
# define CUB_MSVC_VERSION _MSC_VER
# define CUB_MSVC_VERSION_FULL _MSC_FULL_VER
#elif defined(__clang__)
# define CUB_HOST_COMPILER CUB_HOST_COMPILER_CLANG
# define CUB_CLANG_VERSION \
(__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
#elif defined(__GNUC__)
# define CUB_HOST_COMPILER CUB_HOST_COMPILER_GCC
# define CUB_GCC_VERSION \
(__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
#else
# define CUB_HOST_COMPILER CUB_HOST_COMPILER_UNKNOWN
#endif // CUB_HOST_COMPILER
// figure out which device compiler we're using
#if defined(__CUDACC__)
# define CUB_DEVICE_COMPILER CUB_DEVICE_COMPILER_NVCC
#elif CUB_HOST_COMPILER == CUB_HOST_COMPILER_MSVC
# define CUB_DEVICE_COMPILER CUB_DEVICE_COMPILER_MSVC
#elif CUB_HOST_COMPILER == CUB_HOST_COMPILER_GCC
# define CUB_DEVICE_COMPILER CUB_DEVICE_COMPILER_GCC
#elif CUB_HOST_COMPILER == CUB_HOST_COMPILER_CLANG
// CUDA-capable clang should behave similar to NVCC.
# if defined(__CUDA__)
# define CUB_DEVICE_COMPILER CUB_DEVICE_COMPILER_NVCC
# else
# define CUB_DEVICE_COMPILER CUB_DEVICE_COMPILER_CLANG
# endif
#else
# define CUB_DEVICE_COMPILER CUB_DEVICE_COMPILER_UNKNOWN
#endif