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4569a895 AT |
1 | // -*- C++ -*- |
2 | ||
83ffe9cd | 3 | // Copyright (C) 2005-2023 Free Software Foundation, Inc. |
4569a895 AT |
4 | // |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the terms | |
7 | // of the GNU General Public License as published by the Free Software | |
748086b7 | 8 | // Foundation; either version 3, or (at your option) any later |
4569a895 AT |
9 | // version. |
10 | ||
11 | // This library is distributed in the hope that it will be useful, but | |
12 | // WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | // General Public License for more details. | |
15 | ||
16 | // You should have received a copy of the GNU General Public License | |
748086b7 JJ |
17 | // along with this library; see the file COPYING3. If not see |
18 | // <http://www.gnu.org/licenses/>. | |
4569a895 | 19 | |
4569a895 AT |
20 | |
21 | // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. | |
22 | ||
23 | // Permission to use, copy, modify, sell, and distribute this software | |
24 | // is hereby granted without fee, provided that the above copyright | |
25 | // notice appears in all copies, and that both that copyright notice | |
26 | // and this permission notice appear in supporting documentation. None | |
27 | // of the above authors, nor IBM Haifa Research Laboratories, make any | |
28 | // representation about the suitability of this software for any | |
29 | // purpose. It is provided "as is" without express or implied | |
30 | // warranty. | |
31 | ||
32 | /** | |
33 | * @file tree_order_statistics_test.hpp | |
34 | * Contains a test for order_statisticsing trees | |
35 | */ | |
36 | ||
37 | #ifndef PB_DS_TREE_ORDER_STATISTICS_TEST_HPP | |
38 | #define PB_DS_TREE_ORDER_STATISTICS_TEST_HPP | |
39 | ||
40 | #include <performance/time/timing_test_base.hpp> | |
41 | #include <performance/io/xml_formatter.hpp> | |
42 | #include <common_type/assoc/string_form.hpp> | |
e894edef | 43 | #include <ext/pb_ds/detail/type_utils.hpp> |
4569a895 | 44 | #include <iterator> |
4ba851b5 | 45 | #include <cstdlib> |
4569a895 | 46 | |
5e11f978 | 47 | namespace __gnu_pbds |
4569a895 | 48 | { |
4569a895 AT |
49 | namespace test |
50 | { | |
4569a895 AT |
51 | namespace detail |
52 | { | |
4569a895 AT |
53 | template<typename Cntnr, bool Native> |
54 | class order_statistics_functor | |
55 | { | |
56 | public: | |
3441f106 | 57 | order_statistics_functor(Cntnr& container) : m_r_container(container) |
4569a895 AT |
58 | { } |
59 | ||
60 | void | |
61 | operator()(std::size_t resolution) | |
62 | { | |
63 | enum | |
64 | { | |
65 | support_detected = | |
5e11f978 | 66 | __gnu_pbds::test::detail::tree_supports_order_statistics<Cntnr>::value |
4569a895 AT |
67 | }; |
68 | ||
69 | PB_DS_STATIC_ASSERT(correct_type, support_detected); | |
70 | ||
71 | for (std::size_t i = 0; i < resolution; ++i) | |
72 | { | |
73 | typename Cntnr::const_iterator it = m_r_container.begin(); | |
4569a895 | 74 | typename Cntnr::const_iterator e = m_r_container.end(); |
4569a895 | 75 | const size_t max_size = m_r_container.size(); |
4569a895 AT |
76 | while (it != e) |
77 | if (m_r_container.order_of_key(*(it++)) > max_size) | |
4ba851b5 | 78 | std::abort(); |
4569a895 AT |
79 | } |
80 | } | |
81 | ||
82 | private: | |
83 | Cntnr& m_r_container; | |
84 | }; | |
85 | ||
86 | template<typename Cntnr> | |
3441f106 | 87 | class order_statistics_functor<Cntnr, false> |
4569a895 AT |
88 | { |
89 | public: | |
3441f106 | 90 | order_statistics_functor(Cntnr& container) : m_r_container(container) |
4569a895 AT |
91 | { } |
92 | ||
93 | void | |
94 | operator()(std::size_t resolution) | |
95 | { | |
96 | for (std::size_t i = 0; i < resolution; ++i) | |
97 | { | |
3441f106 BK |
98 | typedef typename Cntnr::const_iterator const_iterator; |
99 | const_iterator b = m_r_container.begin(); | |
100 | const_iterator e = m_r_container.end(); | |
101 | const_iterator it = b; | |
4569a895 | 102 | const size_t max_size = m_r_container.size(); |
4569a895 AT |
103 | while (it != e) |
104 | { | |
3441f106 | 105 | const_iterator f_it = m_r_container.find(*(it++)); |
4569a895 | 106 | if (static_cast<size_t>(std::distance(b, f_it)) > max_size) |
4ba851b5 | 107 | std::abort(); |
4569a895 AT |
108 | } |
109 | } | |
110 | } | |
111 | ||
112 | private: | |
113 | Cntnr& m_r_container; | |
114 | }; | |
4569a895 AT |
115 | } // namespace detail |
116 | ||
4569a895 | 117 | template<bool Support_Order_Statistics> |
f92ab29f | 118 | class tree_order_statistics_test |
5e11f978 | 119 | : private __gnu_pbds::test::detail::timing_test_base |
4569a895 AT |
120 | { |
121 | public: | |
3441f106 BK |
122 | tree_order_statistics_test(size_t vn, size_t vs, size_t vm) |
123 | : m_vn(vn), m_vs(vs), m_vm(vm) | |
124 | { } | |
4569a895 AT |
125 | |
126 | template<typename Cntnr> | |
127 | void | |
3441f106 | 128 | operator()(Cntnr); |
4569a895 AT |
129 | |
130 | private: | |
131 | tree_order_statistics_test(const tree_order_statistics_test& ); | |
132 | ||
133 | template<typename Cntnr> | |
134 | void | |
5e11f978 | 135 | order_statistics(Cntnr& r_container, __gnu_pbds::detail::true_type); |
4569a895 AT |
136 | |
137 | template<typename Cntnr> | |
138 | void | |
5e11f978 | 139 | order_statistics(Cntnr& r_container, __gnu_pbds::detail::false_type); |
4569a895 AT |
140 | |
141 | private: | |
142 | const size_t m_vn; | |
143 | const size_t m_vs; | |
144 | const size_t m_vm; | |
145 | }; | |
146 | ||
3441f106 | 147 | template<bool Support_Order_Statistics> |
4569a895 AT |
148 | template<typename Cntnr> |
149 | void | |
3441f106 BK |
150 | tree_order_statistics_test<Support_Order_Statistics>:: |
151 | operator()(Cntnr) | |
4569a895 | 152 | { |
3441f106 | 153 | typedef xml_result_set_performance_formatter formatter_type; |
f92ab29f | 154 | formatter_type res_set_fmt(string_form<Cntnr>::name(), |
3441f106 | 155 | string_form<Cntnr>::desc()); |
4569a895 AT |
156 | |
157 | for (size_t v = m_vn; v < m_vm; v += m_vs) | |
158 | { | |
159 | Cntnr cntnr; | |
4569a895 AT |
160 | for (size_t ins = 0; ins < v; ++ ins) |
161 | cntnr.insert((typename Cntnr::value_type)ins); | |
162 | ||
5e11f978 | 163 | __gnu_pbds::test::detail::order_statistics_functor<Cntnr, Support_Order_Statistics> |
4569a895 AT |
164 | fn(cntnr); |
165 | ||
166 | const double res = | |
5e11f978 | 167 | __gnu_pbds::test::detail::timing_test_base::operator()(fn); |
4569a895 AT |
168 | |
169 | res_set_fmt.add_res(v, res / v); | |
170 | } | |
171 | } | |
4569a895 | 172 | } // namespace test |
5e11f978 | 173 | } // namespace __gnu_pbds |
4569a895 | 174 | |
f92ab29f | 175 | #endif |
4569a895 | 176 |