1// -*- C++ -*- 2 3// Copyright (C) 2005, 2006, 2009 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 3, 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 COPYING3. If not see 18// <http://www.gnu.org/licenses/>. 19 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 subscript_find_test.hpp 34 * Contains a generic subscript_find_test test. 35 */ 36 37#ifndef PB_DS_SUBSCRIPT_TEST_HPP 38#define PB_DS_SUBSCRIPT_TEST_HPP 39 40#include <performance/time/timing_test_base.hpp> 41#include <common_type/assoc/string_form.hpp> 42#include <iterator> 43 44namespace __gnu_pbds 45{ 46 namespace test 47 { 48 namespace detail 49 { 50 template<typename It, class Cntnr> 51 class subscript_find_functor 52 { 53 public: 54 subscript_find_functor(Cntnr& container, It fnd_it_b, It fnd_it_e) 55 : m_r_container(container), m_fnd_it_b(fnd_it_b), m_fnd_it_e(fnd_it_e) 56 { } 57 58 void 59 operator()(std::size_t resolution) 60 { 61 for (std::size_t i = 0; i < resolution; ++i) 62 { 63 It fnd_it = m_fnd_it_b; 64 while (fnd_it != m_fnd_it_e) 65 ++m_r_container[(fnd_it++)->first]; 66 ++fnd_it; 67 } 68 } 69 70 private: 71 Cntnr& m_r_container; 72 const It m_fnd_it_b; 73 const It m_fnd_it_e; 74 }; 75 76 } // namespace detail 77 78 template<typename It> 79 class subscript_find_test : private __gnu_pbds::test::detail::timing_test_base 80 { 81 public: 82 subscript_find_test(It ins_b, It b, size_t ins_vn, size_t ins_vs, 83 size_t ins_vm, size_t vn, size_t vs, size_t vm) 84 : m_ins_b(ins_b), m_fnd_b(b), m_ins_vn(ins_vn), m_ins_vs(ins_vs), 85 m_ins_vm(ins_vm), m_fnd_vn(vn), m_fnd_vs(vs), m_fnd_vm(vm) 86 { } 87 88 template<typename Cntnr> 89 void 90 operator()(Cntnr); 91 92 private: 93 subscript_find_test(const subscript_find_test&); 94 95 private: 96 const It m_ins_b; 97 const It m_fnd_b; 98 const size_t m_ins_vn; 99 const size_t m_ins_vs; 100 const size_t m_ins_vm; 101 const size_t m_fnd_vn; 102 const size_t m_fnd_vs; 103 const size_t m_fnd_vm; 104 }; 105 106 template<typename It> 107 template<typename Cntnr> 108 void 109 subscript_find_test<It>:: 110 operator()(Cntnr) 111 { 112 typedef xml_result_set_performance_formatter formatter_type; 113 formatter_type res_set_fmt(string_form<Cntnr>::name(), 114 string_form<Cntnr>::desc()); 115 116 for (size_t i = 0; m_ins_vn + i* m_ins_vs < m_ins_vm; ++i) 117 { 118 const size_t v = m_ins_vn + i* m_ins_vs; 119 const size_t fnd_size = m_fnd_vn + i* m_fnd_vs; 120 121 It ins_it_b = m_ins_b; 122 It ins_it_e = m_ins_b; 123 std::advance(ins_it_e, v); 124 125 Cntnr test_container(ins_it_b, ins_it_e); 126 127 It fnd_it_b = m_fnd_b; 128 It fnd_it_e = m_fnd_b; 129 std::advance(fnd_it_e, fnd_size); 130 131 __gnu_pbds::test::detail::subscript_find_functor<It, Cntnr> 132 fn(test_container, fnd_it_b, fnd_it_e); 133 134 const double res = 135 __gnu_pbds::test::detail::timing_test_base::operator()(fn); 136 137 res_set_fmt.add_res(v, res / fnd_size); 138 } 139 } 140 } // namespace test 141} // namespace __gnu_pbds 142 143#endif 144 145