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
|
//@HEADER
// ************************************************************************
//
// Kokkos v. 4.0
// Copyright (2022) National Technology & Engineering
// Solutions of Sandia, LLC (NTESS).
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// the U.S. Government retains certain rights in this software.
//
// Part of Kokkos, under the Apache License v2.0 with LLVM Exceptions.
// See https://kokkos.org/LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//@HEADER
#include <TestStdAlgorithmsCommon.hpp>
#include <algorithm>
namespace Test {
namespace stdalgos {
namespace LexicographicalCompare {
namespace KE = Kokkos::Experimental;
template <class ViewType1, class ViewType2>
void test_lexicographical_compare(const ViewType1 view_1, ViewType2 view_2) {
auto host_copy_1 = create_host_space_copy(view_1);
auto host_copy_2 = create_host_space_copy(view_2);
auto first_1 = KE::begin(view_1);
auto last_1 = KE::end(view_1);
auto first_2 = KE::begin(view_2);
auto last_2 = KE::end(view_2);
auto h_first_1 = KE::begin(host_copy_1);
auto h_last_1 = KE::end(host_copy_1);
auto h_first_2 = KE::begin(host_copy_2);
auto h_last_2 = KE::end(host_copy_2);
{
// default comparator
auto std_result =
std::lexicographical_compare(h_first_1, h_last_1, h_first_2, h_last_2);
// pass iterators
ASSERT_EQ(std_result, KE::lexicographical_compare(exespace(), first_1,
last_1, first_2, last_2));
ASSERT_EQ(std_result,
KE::lexicographical_compare("label", exespace(), first_1, last_1,
first_2, last_2));
// pass views
ASSERT_EQ(std_result,
KE::lexicographical_compare(exespace(), view_1, view_2));
ASSERT_EQ(std_result,
KE::lexicographical_compare("label", exespace(), view_1, view_2));
}
{
// custom comparator
using value_t_1 = typename ViewType1::value_type;
using value_t_2 = typename ViewType2::value_type;
const auto custom_comparator =
CustomLessThanComparator<value_t_1, value_t_2>();
auto std_result = std::lexicographical_compare(
h_first_1, h_last_1, h_first_2, h_last_2, custom_comparator);
// pass iterators
ASSERT_EQ(std_result,
KE::lexicographical_compare(exespace(), first_1, last_1, first_2,
last_2, custom_comparator));
ASSERT_EQ(std_result,
KE::lexicographical_compare("label", exespace(), first_1, last_1,
first_2, last_2, custom_comparator));
// pass views
ASSERT_EQ(std_result, KE::lexicographical_compare(
exespace(), view_1, view_2, custom_comparator));
ASSERT_EQ(std_result,
KE::lexicographical_compare("label", exespace(), view_1, view_2,
custom_comparator));
}
{
// empty vs non-empty
auto std_result =
std::lexicographical_compare(h_first_1, h_first_1, h_first_2, h_last_2);
ASSERT_EQ(std_result, KE::lexicographical_compare(
exespace(), first_1, first_1, first_2, last_2));
}
{
// pass shorter range
if (view_1.extent(0) > 1) {
auto std_result = std::lexicographical_compare(h_first_1, h_last_1 - 1,
h_first_2, h_last_2);
ASSERT_EQ(std_result,
KE::lexicographical_compare(exespace(), first_1, last_1 - 1,
first_2, last_2));
}
}
{
// first element smaller
if (view_1.extent(0) > 1) {
KE::fill(exespace(), first_1, first_1 + 1, 1);
KE::fill(exespace(), first_2, first_2 + 1, 2);
EXPECT_TRUE(KE::lexicographical_compare(exespace(), first_1, last_1,
first_2, last_2));
}
}
{
// first element bigger, last element smaller
if (view_1.extent(0) > 2) {
KE::fill(exespace(), first_1, first_1 + 1, 2);
KE::fill(exespace(), first_2, first_2 + 1, 1);
KE::fill(exespace(), last_1 - 1, last_1, 1);
KE::fill(exespace(), last_2 - 1, last_2, 2);
EXPECT_FALSE(KE::lexicographical_compare(exespace(), first_1, last_1,
first_2, last_2));
}
}
}
template <class Tag, class ValueType>
void run_all_scenarios() {
for (const auto& scenario : default_scenarios) {
auto view1 = create_view<ValueType>(Tag{}, scenario.second,
"lexicographical_compare_1");
auto view2 = create_view<ValueType>(Tag{}, scenario.second,
"lexicographical_compare_2");
test_lexicographical_compare(view1, view2);
}
}
TEST(std_algorithms_lexicographical_compare_test, test) {
// FIXME: should this disable only custom comparator tests?
#if !defined KOKKOS_ENABLE_OPENMPTARGET
run_all_scenarios<DynamicTag, double>();
run_all_scenarios<StridedTwoTag, int>();
run_all_scenarios<StridedThreeTag, unsigned>();
#endif
}
} // namespace LexicographicalCompare
} // namespace stdalgos
} // namespace Test
|
