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1 | // -*- C++ -*- |
2 | ||
3 | // Copyright (C) 2005, 2006 Free Software Foundation, Inc. | |
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 | |
8 | // Foundation; either version 2, or (at your option) any later | |
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 | |
17 | // along with this library; see the file COPYING. If not, write to | |
18 | // the Free Software Foundation, 59 Temple Place - Suite 330, Boston, | |
19 | // MA 02111-1307, USA. | |
20 | ||
21 | // As a special exception, you may use this file as part of a free | |
22 | // software library without restriction. Specifically, if other files | |
23 | // instantiate templates or use macros or inline functions from this | |
24 | // file, or you compile this file and link it with other files to | |
25 | // produce an executable, this file does not by itself cause the | |
26 | // resulting executable to be covered by the GNU General Public | |
27 | // License. This exception does not however invalidate any other | |
28 | // reasons why the executable file might be covered by the GNU General | |
29 | // Public License. | |
30 | ||
31 | // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. | |
32 | ||
33 | // Permission to use, copy, modify, sell, and distribute this software | |
34 | // is hereby granted without fee, provided that the above copyright | |
35 | // notice appears in all copies, and that both that copyright notice | |
36 | // and this permission notice appear in supporting documentation. None | |
37 | // of the above authors, nor IBM Haifa Research Laboratories, make any | |
38 | // representation about the suitability of this software for any | |
39 | // purpose. It is provided "as is" without express or implied | |
40 | // warranty. | |
41 | ||
42 | /** | |
43 | * @file tree_split_join_test.hpp | |
44 | * Contains a test for splitting and joining trees | |
45 | */ | |
46 | ||
47 | #ifndef PB_DS_TREE_SPLIT_JOIN_TEST_HPP | |
48 | #define PB_DS_TREE_SPLIT_JOIN_TEST_HPP | |
49 | ||
50 | #include <performance/time/timing_test_base.hpp> | |
51 | #include <performance/io/xml_formatter.hpp> | |
52 | #include <common_type/assoc/string_form.hpp> | |
53 | #include <iterator> | |
54 | ||
55 | namespace pb_ds | |
56 | { | |
57 | ||
58 | namespace test | |
59 | { | |
60 | ||
61 | namespace detail | |
62 | { | |
63 | ||
64 | template<typename Cntnr, bool Support_Split_Join> | |
65 | class split_join_functor | |
66 | { | |
67 | public: | |
68 | split_join_functor(Cntnr& r_container) : m_r_container(r_container) | |
69 | { } | |
70 | ||
71 | void | |
72 | operator()(std::size_t resolution) | |
73 | { | |
74 | for (std::size_t i = 0; i < resolution; ++i) | |
75 | { | |
76 | typename Cntnr::const_iterator mid_it = m_r_container.begin(); | |
77 | std::advance(mid_it, m_r_container.size() / 2); | |
78 | ||
79 | Cntnr other; | |
80 | ||
81 | m_r_container.split(*mid_it, other); | |
82 | ||
83 | m_r_container.join(other); | |
84 | } | |
85 | } | |
86 | ||
87 | private: | |
88 | Cntnr& m_r_container; | |
89 | }; | |
90 | ||
91 | template<typename Cntnr> | |
92 | class split_join_functor< | |
93 | Cntnr, | |
94 | false> | |
95 | { | |
96 | public: | |
97 | split_join_functor(Cntnr& r_container) : m_r_container(r_container) | |
98 | { } | |
99 | ||
100 | void | |
101 | operator()(std::size_t resolution) | |
102 | { | |
103 | for (std::size_t i = 0; i < resolution; ++i) | |
104 | { | |
105 | typename Cntnr::iterator mid_it = m_r_container.begin(); | |
106 | std::advance(mid_it, m_r_container.size() / 2); | |
107 | ||
108 | Cntnr other(mid_it, m_r_container.end()); | |
109 | m_r_container.erase(mid_it, m_r_container.end()); | |
110 | ||
111 | m_r_container.insert(other.begin(), other.end()); | |
112 | other.clear(); | |
113 | } | |
114 | } | |
115 | ||
116 | private: | |
117 | Cntnr& m_r_container; | |
118 | }; | |
119 | ||
120 | } // namespace detail | |
121 | ||
122 | #define PB_DS_CLASS_T_DEC \ | |
123 | template<bool Support_Split_Join> | |
124 | ||
125 | #define PB_DS_CLASS_C_DEC \ | |
126 | tree_split_join_test< \ | |
127 | Support_Split_Join> | |
128 | ||
129 | template<bool Support_Split_Join> | |
130 | class tree_split_join_test : private pb_ds::test::detail::timing_test_base | |
131 | { | |
132 | public: | |
133 | tree_split_join_test(size_t vn, size_t vs, size_t vm); | |
134 | ||
135 | template<typename Cntnr> | |
136 | void | |
137 | operator()(pb_ds::detail::type_to_type<Cntnr>); | |
138 | ||
139 | private: | |
140 | tree_split_join_test(const tree_split_join_test& ); | |
141 | ||
142 | private: | |
143 | const size_t m_vn; | |
144 | const size_t m_vs; | |
145 | const size_t m_vm; | |
146 | }; | |
147 | ||
148 | PB_DS_CLASS_T_DEC | |
149 | PB_DS_CLASS_C_DEC:: | |
150 | tree_split_join_test(size_t vn, size_t vs, size_t vm) : | |
151 | m_vn(vn), | |
152 | m_vs(vs), | |
153 | m_vm(vm) | |
154 | { } | |
155 | ||
156 | PB_DS_CLASS_T_DEC | |
157 | template<typename Cntnr> | |
158 | void | |
159 | PB_DS_CLASS_C_DEC:: | |
160 | operator()(pb_ds::detail::type_to_type<Cntnr>) | |
161 | { | |
162 | xml_result_set_performance_formatter res_set_fmt( | |
163 | string_form<Cntnr>::name(), | |
164 | string_form<Cntnr>::desc()); | |
165 | ||
166 | for (size_t v = m_vn; v < m_vm; v += m_vs) | |
167 | { | |
168 | Cntnr cntnr; | |
169 | ||
170 | for (size_t ins = 0; ins < v; ++ ins) | |
171 | cntnr.insert((typename Cntnr::value_type)ins); | |
172 | ||
173 | pb_ds::test::detail::split_join_functor<Cntnr, Support_Split_Join> | |
174 | fn(cntnr); | |
175 | ||
176 | const double res = | |
177 | pb_ds::test::detail::timing_test_base::operator()(fn); | |
178 | ||
179 | res_set_fmt.add_res(v, res); | |
180 | } | |
181 | } | |
182 | ||
183 | #undef PB_DS_CLASS_T_DEC | |
184 | ||
185 | #undef PB_DS_CLASS_C_DEC | |
186 | ||
187 | } // namespace test | |
188 | ||
189 | } // namespace pb_ds | |
190 | ||
191 | #endif // #ifndef PB_DS_TREE_SPLIT_JOIN_TEST_HPP | |
192 |