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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
#include <thrust/detail/alignment.h>
#include <unittest/unittest.h>
struct alignof_mock_0
{
char a;
char b;
}; // size: 2 * sizeof(char), alignment: sizeof(char)
struct alignof_mock_1
{
int n;
char c;
// sizeof(int) - sizeof(char) bytes of padding
}; // size: 2 * sizeof(int), alignment: sizeof(int)
struct alignof_mock_2
{
int n;
char c;
// sizeof(int) - sizeof(char) bytes of padding
}; // size: 2 * sizeof(int), alignment: sizeof(int)
struct alignof_mock_3
{
char c;
// sizeof(int) - sizeof(char) bytes of padding
int n;
}; // size: 2 * sizeof(int), alignment: sizeof(int)
struct alignof_mock_4
{
char c0;
// sizeof(int) - sizeof(char) bytes of padding
int n;
char c1;
// sizeof(int) - sizeof(char) bytes of padding
}; // size: 3 * sizeof(int), alignment: sizeof(int)
struct alignof_mock_5
{
char c0;
char c1;
// sizeof(int) - 2 * sizeof(char) bytes of padding
int n;
}; // size: 2 * sizeof(int), alignment: sizeof(int)
struct alignof_mock_6
{
int n;
char c0;
char c1;
// sizeof(int) - 2 * sizeof(char) bytes of padding
}; // size: 2 * sizeof(int), alignment: sizeof(int)
void test_alignof_mocks_sizes()
{
ASSERT_EQUAL(sizeof(alignof_mock_0), 2 * sizeof(char));
ASSERT_EQUAL(sizeof(alignof_mock_1), 2 * sizeof(int));
ASSERT_EQUAL(sizeof(alignof_mock_2), 2 * sizeof(int));
ASSERT_EQUAL(sizeof(alignof_mock_3), 2 * sizeof(int));
ASSERT_EQUAL(sizeof(alignof_mock_4), 3 * sizeof(int));
ASSERT_EQUAL(sizeof(alignof_mock_5), 2 * sizeof(int));
ASSERT_EQUAL(sizeof(alignof_mock_6), 2 * sizeof(int));
}
DECLARE_UNITTEST(test_alignof_mocks_sizes);
void test_alignof()
{
ASSERT_EQUAL(alignof(bool), sizeof(bool));
ASSERT_EQUAL(alignof(signed char), sizeof(signed char));
ASSERT_EQUAL(alignof(unsigned char), sizeof(unsigned char));
ASSERT_EQUAL(alignof(char), sizeof(char));
ASSERT_EQUAL(alignof(short int), sizeof(short int));
ASSERT_EQUAL(alignof(unsigned short int), sizeof(unsigned short int));
ASSERT_EQUAL(alignof(int), sizeof(int));
ASSERT_EQUAL(alignof(unsigned int), sizeof(unsigned int));
ASSERT_EQUAL(alignof(long int), sizeof(long int));
ASSERT_EQUAL(alignof(unsigned long int), sizeof(unsigned long int));
ASSERT_EQUAL(alignof(long long int), sizeof(long long int));
ASSERT_EQUAL(alignof(unsigned long long int), sizeof(unsigned long long int));
ASSERT_EQUAL(alignof(float), sizeof(float));
ASSERT_EQUAL(alignof(double), sizeof(double));
ASSERT_EQUAL(alignof(long double), sizeof(long double));
ASSERT_EQUAL(alignof(alignof_mock_0), sizeof(char));
ASSERT_EQUAL(alignof(alignof_mock_1), sizeof(int));
ASSERT_EQUAL(alignof(alignof_mock_2), sizeof(int));
ASSERT_EQUAL(alignof(alignof_mock_3), sizeof(int));
ASSERT_EQUAL(alignof(alignof_mock_4), sizeof(int));
ASSERT_EQUAL(alignof(alignof_mock_5), sizeof(int));
ASSERT_EQUAL(alignof(alignof_mock_6), sizeof(int));
}
DECLARE_UNITTEST(test_alignof);
void test_alignment_of()
{
ASSERT_EQUAL(thrust::detail::alignment_of<bool>::value, sizeof(bool));
ASSERT_EQUAL(thrust::detail::alignment_of<signed char>::value, sizeof(signed char));
ASSERT_EQUAL(thrust::detail::alignment_of<unsigned char>::value, sizeof(unsigned char));
ASSERT_EQUAL(thrust::detail::alignment_of<char>::value, sizeof(char));
ASSERT_EQUAL(thrust::detail::alignment_of<short int>::value, sizeof(short int));
ASSERT_EQUAL(thrust::detail::alignment_of<unsigned short int>::value, sizeof(unsigned short int));
ASSERT_EQUAL(thrust::detail::alignment_of<int>::value, sizeof(int));
ASSERT_EQUAL(thrust::detail::alignment_of<unsigned int>::value, sizeof(unsigned int));
ASSERT_EQUAL(thrust::detail::alignment_of<long int>::value, sizeof(long int));
ASSERT_EQUAL(thrust::detail::alignment_of<unsigned long int>::value, sizeof(unsigned long int));
ASSERT_EQUAL(thrust::detail::alignment_of<long long int>::value, sizeof(long long int));
ASSERT_EQUAL(thrust::detail::alignment_of<unsigned long long int>::value, sizeof(unsigned long long int));
ASSERT_EQUAL(thrust::detail::alignment_of<float>::value, sizeof(float));
ASSERT_EQUAL(thrust::detail::alignment_of<double>::value, sizeof(double));
ASSERT_EQUAL(thrust::detail::alignment_of<long double>::value, sizeof(long double));
ASSERT_EQUAL(thrust::detail::alignment_of<alignof_mock_0>::value, sizeof(char));
ASSERT_EQUAL(thrust::detail::alignment_of<alignof_mock_1>::value, sizeof(int));
ASSERT_EQUAL(thrust::detail::alignment_of<alignof_mock_2>::value, sizeof(int));
ASSERT_EQUAL(thrust::detail::alignment_of<alignof_mock_3>::value, sizeof(int));
ASSERT_EQUAL(thrust::detail::alignment_of<alignof_mock_4>::value, sizeof(int));
ASSERT_EQUAL(thrust::detail::alignment_of<alignof_mock_5>::value, sizeof(int));
ASSERT_EQUAL(thrust::detail::alignment_of<alignof_mock_6>::value, sizeof(int));
}
DECLARE_UNITTEST(test_alignment_of);
template <std::size_t Align>
void test_aligned_type_instantiation()
{
typedef typename thrust::detail::aligned_type<Align>::type type;
ASSERT_GEQUAL(sizeof(type), 1lu);
ASSERT_EQUAL(alignof(type), Align);
ASSERT_EQUAL(thrust::detail::alignment_of<type>::value, Align);
}
void test_aligned_type()
{
test_aligned_type_instantiation<1>();
test_aligned_type_instantiation<2>();
test_aligned_type_instantiation<4>();
test_aligned_type_instantiation<8>();
test_aligned_type_instantiation<16>();
test_aligned_type_instantiation<32>();
test_aligned_type_instantiation<64>();
test_aligned_type_instantiation<128>();
}
DECLARE_UNITTEST(test_aligned_type);
void test_max_align_t()
{
ASSERT_GEQUAL(alignof(thrust::detail::max_align_t), alignof(bool));
ASSERT_GEQUAL(alignof(thrust::detail::max_align_t), alignof(signed char));
ASSERT_GEQUAL(alignof(thrust::detail::max_align_t), alignof(unsigned char));
ASSERT_GEQUAL(alignof(thrust::detail::max_align_t), alignof(char));
ASSERT_GEQUAL(alignof(thrust::detail::max_align_t), alignof(short int));
ASSERT_GEQUAL(alignof(thrust::detail::max_align_t), alignof(unsigned short int));
ASSERT_GEQUAL(alignof(thrust::detail::max_align_t), alignof(int));
ASSERT_GEQUAL(alignof(thrust::detail::max_align_t), alignof(unsigned int));
ASSERT_GEQUAL(alignof(thrust::detail::max_align_t), alignof(long int));
ASSERT_GEQUAL(alignof(thrust::detail::max_align_t), alignof(unsigned long int));
ASSERT_GEQUAL(alignof(thrust::detail::max_align_t), alignof(long long int));
ASSERT_GEQUAL(alignof(thrust::detail::max_align_t), alignof(unsigned long long int));
ASSERT_GEQUAL(alignof(thrust::detail::max_align_t), alignof(float));
ASSERT_GEQUAL(alignof(thrust::detail::max_align_t), alignof(double));
ASSERT_GEQUAL(alignof(thrust::detail::max_align_t), alignof(long double));
}
DECLARE_UNITTEST(test_max_align_t);
void test_aligned_reinterpret_cast()
{
thrust::detail::aligned_type<1>* a1 = 0;
thrust::detail::aligned_type<2>* a2 = 0;
// Cast to type with stricter (larger) alignment requirement.
a2 = thrust::detail::aligned_reinterpret_cast<thrust::detail::aligned_type<2>*>(a1);
// Cast to type with less strict (smaller) alignment requirement.
a1 = thrust::detail::aligned_reinterpret_cast<thrust::detail::aligned_type<1>*>(a2);
}
DECLARE_UNITTEST(test_aligned_reinterpret_cast);
|
