1 // -*- C++ -*- 2 3 // Copyright (C) 2005-2016 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 elapsed_timer.hpp 34 * Contains time utilities for tests. 35 */ 36 37 #ifndef PB_DS_TEST_TIME_HPP 38 #define PB_DS_TEST_TIME_HPP 39 40 #include <time.h> 41 #include <iosfwd> 42 43 namespace __gnu_pbds 44 { 45 46 namespace test 47 { 48 49 class elapsed_timer 50 { 51 public: 52 elapsed_timer(); 53 54 void 55 reset(); 56 57 operator double() const; 58 59 protected: 60 clock_t m_start; 61 }; 62 63 } // namespace test 64 65 } // namespace __gnu_pbds 66 67 #endif // #ifndef PB_DS_TEST_TIME_HPP 68