| // -*- C++ -*- |
| |
| // Copyright (C) 2005, 2006 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the terms |
| // of the GNU General Public License as published by the Free Software |
| // Foundation; either version 2, or (at your option) any later |
| // version. |
| |
| // This library is distributed in the hope that it will be useful, but |
| // WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| // General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License |
| // along with this library; see the file COPYING. If not, write to |
| // the Free Software Foundation, 59 Temple Place - Suite 330, Boston, |
| // MA 02111-1307, USA. |
| |
| // As a special exception, you may use this file as part of a free |
| // software library without restriction. Specifically, if other files |
| // instantiate templates or use macros or inline functions from this |
| // file, or you compile this file and link it with other files to |
| // produce an executable, this file does not by itself cause the |
| // resulting executable to be covered by the GNU General Public |
| // License. This exception does not however invalidate any other |
| // reasons why the executable file might be covered by the GNU General |
| // Public License. |
| |
| // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. |
| |
| // Permission to use, copy, modify, sell, and distribute this software |
| // is hereby granted without fee, provided that the above copyright |
| // notice appears in all copies, and that both that copyright notice |
| // and this permission notice appear in supporting documentation. None |
| // of the above authors, nor IBM Haifa Research Laboratories, make any |
| // representation about the suitability of this software for any |
| // purpose. It is provided "as is" without express or implied |
| // warranty. |
| |
| /** |
| * @file tree_split_join_test.hpp |
| * Contains a test for splitting and joining trees |
| */ |
| |
| #ifndef PB_DS_TREE_SPLIT_JOIN_TEST_HPP |
| #define PB_DS_TREE_SPLIT_JOIN_TEST_HPP |
| |
| #include <performance/time/timing_test_base.hpp> |
| #include <performance/io/xml_formatter.hpp> |
| #include <common_type/assoc/string_form.hpp> |
| #include <iterator> |
| |
| namespace pb_ds |
| { |
| namespace test |
| { |
| namespace detail |
| { |
| template<typename Cntnr, bool Support_Split_Join> |
| class split_join_functor |
| { |
| public: |
| split_join_functor(Cntnr& r_container) : m_r_container(r_container) |
| { } |
| |
| void |
| operator()(std::size_t resolution) |
| { |
| for (std::size_t i = 0; i < resolution; ++i) |
| { |
| typename Cntnr::const_iterator mid_it = m_r_container.begin(); |
| std::advance(mid_it, m_r_container.size() / 2); |
| Cntnr other; |
| m_r_container.split(*mid_it, other); |
| m_r_container.join(other); |
| } |
| } |
| |
| private: |
| Cntnr& m_r_container; |
| }; |
| |
| template<typename Cntnr> |
| class split_join_functor<Cntnr, false> |
| { |
| public: |
| split_join_functor(Cntnr& r_container) : m_r_container(r_container) |
| { } |
| |
| void |
| operator()(std::size_t resolution) |
| { |
| for (std::size_t i = 0; i < resolution; ++i) |
| { |
| typename Cntnr::iterator mid_it = m_r_container.begin(); |
| std::advance(mid_it, m_r_container.size() / 2); |
| |
| Cntnr other(mid_it, m_r_container.end()); |
| m_r_container.erase(mid_it, m_r_container.end()); |
| |
| m_r_container.insert(other.begin(), other.end()); |
| other.clear(); |
| } |
| } |
| |
| private: |
| Cntnr& m_r_container; |
| }; |
| } // namespace detail |
| |
| template<bool Support_Split_Join> |
| class tree_split_join_test : private pb_ds::test::detail::timing_test_base |
| { |
| public: |
| tree_split_join_test(size_t vn, size_t vs, size_t vm); |
| |
| template<typename Cntnr> |
| void |
| operator()(Cntnr); |
| |
| private: |
| tree_split_join_test(const tree_split_join_test& ); |
| |
| private: |
| const size_t m_vn; |
| const size_t m_vs; |
| const size_t m_vm; |
| }; |
| |
| template<bool Support_Split_Join> |
| tree_split_join_test<Support_Split_Join>:: |
| tree_split_join_test(size_t vn, size_t vs, size_t vm) : |
| m_vn(vn), |
| m_vs(vs), |
| m_vm(vm) |
| { } |
| |
| template<bool Support_Split_Join> |
| template<typename Cntnr> |
| void |
| tree_split_join_test<Support_Split_Join>:: |
| operator()(Cntnr) |
| { |
| typedef xml_result_set_performance_formatter formatter_type; |
| formatter_type res_set_fmt(string_form<Cntnr>::name(), |
| string_form<Cntnr>::desc()); |
| |
| for (size_t v = m_vn; v < m_vm; v += m_vs) |
| { |
| Cntnr cntnr; |
| for (size_t ins = 0; ins < v; ++ ins) |
| cntnr.insert((typename Cntnr::value_type)ins); |
| |
| pb_ds::test::detail::split_join_functor<Cntnr, Support_Split_Join> |
| fn(cntnr); |
| |
| const double res = |
| pb_ds::test::detail::timing_test_base::operator()(fn); |
| res_set_fmt.add_res(v, res); |
| } |
| } |
| } // namespace test |
| } // namespace pb_ds |
| |
| #endif |
| |