1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/******************************************************************************
* Copyright (c) 2011, Duane Merrill. All rights reserved.
* Copyright (c) 2011-2018, 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.
*
******************************************************************************/
/******************************************************************************
* Common C/C++ macro utilities
******************************************************************************/
#pragma once
#include <cuda/__cccl_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
#include <cub/detail/detect_cuda_runtime.cuh>
#include <cub/util_namespace.cuh>
#include <cuda/std/utility>
CUB_NAMESPACE_BEGIN
/**
* \addtogroup UtilModule
* @{
*/
#ifndef CUB_ALIGN
# if defined(_WIN32) || defined(_WIN64)
/// Align struct
# define CUB_ALIGN(bytes) __declspec(align(32))
# else
/// Align struct
# define CUB_ALIGN(bytes) __attribute__((aligned(bytes)))
# endif
#endif
#define CUB_PREVENT_MACRO_SUBSTITUTION
template <typename T, typename U>
constexpr __host__ __device__ auto min CUB_PREVENT_MACRO_SUBSTITUTION(T&& t, U&& u)
-> decltype(t < u ? ::cuda::std::forward<T>(t) : ::cuda::std::forward<U>(u))
{
return t < u ? ::cuda::std::forward<T>(t) : ::cuda::std::forward<U>(u);
}
template <typename T, typename U>
constexpr __host__ __device__ auto max CUB_PREVENT_MACRO_SUBSTITUTION(T&& t, U&& u)
-> decltype(t < u ? ::cuda::std::forward<U>(u) : ::cuda::std::forward<T>(t))
{
return t < u ? ::cuda::std::forward<U>(u) : ::cuda::std::forward<T>(t);
}
#ifndef CUB_MAX
/// Select maximum(a, b)
# define CUB_MAX(a, b) (((b) > (a)) ? (b) : (a))
#endif
#ifndef CUB_MIN
/// Select minimum(a, b)
# define CUB_MIN(a, b) (((b) < (a)) ? (b) : (a))
#endif
#ifndef CUB_QUOTIENT_FLOOR
/// Quotient of x/y rounded down to nearest integer
# define CUB_QUOTIENT_FLOOR(x, y) ((x) / (y))
#endif
#ifndef CUB_QUOTIENT_CEILING
/// Quotient of x/y rounded up to nearest integer
# define CUB_QUOTIENT_CEILING(x, y) (((x) + (y) -1) / (y))
#endif
#ifndef CUB_ROUND_UP_NEAREST
/// x rounded up to the nearest multiple of y
# define CUB_ROUND_UP_NEAREST(x, y) ((((x) + (y) -1) / (y)) * y)
#endif
#ifndef CUB_ROUND_DOWN_NEAREST
/// x rounded down to the nearest multiple of y
# define CUB_ROUND_DOWN_NEAREST(x, y) (((x) / (y)) * y)
#endif
#ifndef CUB_STATIC_ASSERT
# ifndef DOXYGEN_SHOULD_SKIP_THIS // Do not document
# define CUB_CAT_(a, b) a##b
# define CUB_CAT(a, b) CUB_CAT_(a, b)
# endif // DOXYGEN_SHOULD_SKIP_THIS
/// Static assert
# define CUB_STATIC_ASSERT(cond, msg) typedef int CUB_CAT(cub_static_assert, __LINE__)[(cond) ? 1 : -1]
#endif
#ifndef CUB_DETAIL_KERNEL_ATTRIBUTES
# define CUB_DETAIL_KERNEL_ATTRIBUTES CCCL_DETAIL_KERNEL_ATTRIBUTES
#endif
/**
* @def CUB_DISABLE_KERNEL_VISIBILITY_WARNING_SUPPRESSION
* If defined, the default suppression of kernel visibility attribute warning is disabled.
*/
#if !defined(CUB_DISABLE_KERNEL_VISIBILITY_WARNING_SUPPRESSION)
_CCCL_DIAG_SUPPRESS_GCC("-Wattributes")
_CCCL_DIAG_SUPPRESS_CLANG("-Wattributes")
# if !defined(_CCCL_CUDA_COMPILER_NVHPC)
_CCCL_DIAG_SUPPRESS_NVHPC(attribute_requires_external_linkage)
# endif // !_CCCL_CUDA_COMPILER_NVHPC
# if defined(_CCCL_COMPILER_ICC) || defined(_CCCL_COMPILER_ICC_LLVM)
# pragma nv_diag_suppress 1407 // the "__visibility__" attribute can only appear on functions and
// variables with external linkage'
# pragma warning(disable : 1890) // the "__visibility__" attribute can only appear on functions and
// variables with external linkage'
# endif // _CCCL_COMPILER_ICC || _CCCL_COMPILER_ICC_LLVM
#endif // !CUB_DISABLE_KERNEL_VISIBILITY_WARNING_SUPPRESSION
/** @} */ // end group UtilModule
CUB_NAMESPACE_END
|
