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
|
/*
* Copyright 2008-2013 NVIDIA Corporation
* Modifications Copyright© 2019 Advanced Micro Devices, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <thrust/functional.h>
#include <thrust/iterator/retag.h>
#include <thrust/partition.h>
#include "test_header.hpp"
TESTS_DEFINE(IsPartitionedTests, FullTestsParams);
TESTS_DEFINE(IsPartitionedVectorTests, VectorSignedIntegerTestsParams);
template <typename T>
struct is_even
{
__host__ __device__ bool operator()(T x) const
{
return ((int)x % 2) == 0;
}
};
TYPED_TEST(IsPartitionedVectorTests, TestIsPartitionedSimple)
{
using Vector = typename TestFixture::input_type;
using T = typename Vector::value_type;
SCOPED_TRACE(testing::Message() << "with device_id= " << test::set_device_from_ctest());
Vector v(4);
v[0] = 1;
v[1] = 1;
v[2] = 1;
v[3] = 0;
// empty partition
ASSERT_EQ_QUIET(true, thrust::is_partitioned(v.begin(), v.begin(), thrust::identity<T>()));
// one element true partition
ASSERT_EQ_QUIET(true, thrust::is_partitioned(v.begin(), v.begin() + 1, thrust::identity<T>()));
// just true partition
ASSERT_EQ_QUIET(true, thrust::is_partitioned(v.begin(), v.begin() + 2, thrust::identity<T>()));
// both true & false partitions
ASSERT_EQ_QUIET(true, thrust::is_partitioned(v.begin(), v.end(), thrust::identity<T>()));
// one element false partition
ASSERT_EQ_QUIET(true, thrust::is_partitioned(v.begin() + 3, v.end(), thrust::identity<T>()));
v[0] = 1;
v[1] = 0;
v[2] = 1;
v[3] = 1;
// not partitioned
ASSERT_EQ_QUIET(false, thrust::is_partitioned(v.begin(), v.end(), thrust::identity<T>()));
}
TYPED_TEST(IsPartitionedVectorTests, TestIsPartitioned)
{
using Vector = typename TestFixture::input_type;
using T = typename Vector::value_type;
SCOPED_TRACE(testing::Message() << "with device_id= " << test::set_device_from_ctest());
const size_t n = (1 << 16) + 13;
for(auto seed : get_seeds())
{
SCOPED_TRACE(testing::Message() << "with seed= " << seed);
Vector v = get_random_data<T>(
n, std::numeric_limits<T>::min(), std::numeric_limits<T>::max(), seed);
v[0] = 1;
v[1] = 0;
ASSERT_EQ(false, thrust::is_partitioned(v.begin(), v.end(), is_even<T>()));
thrust::partition(v.begin(), v.end(), is_even<T>());
ASSERT_EQ(true, thrust::is_partitioned(v.begin(), v.end(), is_even<T>()));
}
}
template <typename InputIterator, typename Predicate>
__host__ __device__ bool is_partitioned(my_system& system, InputIterator, InputIterator, Predicate)
{
system.validate_dispatch();
return false;
}
TEST(IsPartitionedTests, TestIsPartitionedDispatchExplicit)
{
SCOPED_TRACE(testing::Message() << "with device_id= " << test::set_device_from_ctest());
thrust::device_vector<int> vec(1);
my_system sys(0);
thrust::is_partitioned(sys, vec.begin(), vec.end(), 0);
ASSERT_EQ(true, sys.is_valid());
}
template <typename InputIterator, typename Predicate>
__host__ __device__ bool is_partitioned(my_tag, InputIterator first, InputIterator, Predicate)
{
*first = 13;
return false;
}
TEST(IsPartitionedTests, TestIsPartitionedDispatchImplicit)
{
SCOPED_TRACE(testing::Message() << "with device_id= " << test::set_device_from_ctest());
thrust::device_vector<int> vec(1);
thrust::is_partitioned(thrust::retag<my_tag>(vec.begin()), thrust::retag<my_tag>(vec.end()), 0);
ASSERT_EQ(13, vec.front());
}
|
