2008-07-16 01:23:23 +02:00
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// <chrono> -*- C++ -*-
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2010-02-10 20:14:33 +01:00
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// Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
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2008-07-16 01:23:23 +02:00
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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2009-04-09 17:00:19 +02:00
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// Free Software Foundation; either version 3, or (at your option)
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2008-07-16 01:23:23 +02:00
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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2009-04-09 17:00:19 +02:00
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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2008-07-16 01:23:23 +02:00
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2009-04-09 17:00:19 +02:00
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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2008-07-16 01:23:23 +02:00
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/** @file include/chrono
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* This is a Standard C++ Library header.
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*/
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#ifndef _GLIBCXX_CHRONO
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#define _GLIBCXX_CHRONO 1
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#pragma GCC system_header
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#ifndef __GXX_EXPERIMENTAL_CXX0X__
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2010-02-10 20:14:33 +01:00
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# include <bits/c++0x_warning.h>
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2008-07-16 01:23:23 +02:00
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#else
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#ifdef _GLIBCXX_INCLUDE_AS_TR1
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# error C++0x header cannot be included from TR1 header
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#endif
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#include <ratio>
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#include <type_traits>
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#include <limits>
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#include <ctime>
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#ifdef _GLIBCXX_USE_C99_STDINT_TR1
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2010-11-02 03:35:28 +01:00
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namespace std
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2008-07-16 01:23:23 +02:00
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{
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2009-02-21 01:45:21 +01:00
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/**
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* @defgroup chrono Time
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* @ingroup utilities
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*
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* Classes and functions for time.
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* @{
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*/
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/** @namespace std::chrono
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* @brief ISO C++ 0x entities sub namespace for time and date.
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*/
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2008-07-16 01:23:23 +02:00
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namespace chrono
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{
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template<typename _Rep, typename _Period = ratio<1>>
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struct duration;
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template<typename _Clock, typename _Duration = typename _Clock::duration>
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struct time_point;
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}
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// 20.8.2.3 specialization of common_type (for duration)
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template<typename _Rep1, typename _Period1, typename _Rep2, typename _Period2>
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struct common_type<chrono::duration<_Rep1, _Period1>,
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2010-11-02 03:35:28 +01:00
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chrono::duration<_Rep2, _Period2>>
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2008-07-16 01:23:23 +02:00
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{
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typedef chrono::duration<typename common_type<_Rep1, _Rep2>::type,
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2010-11-02 03:35:28 +01:00
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ratio<__static_gcd<_Period1::num, _Period2::num>::value,
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(_Period1::den / __static_gcd<_Period1::den, _Period2::den>::value)
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* _Period2::den>> type;
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2008-07-16 01:23:23 +02:00
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};
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2010-11-02 03:35:28 +01:00
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2008-07-16 01:23:23 +02:00
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// 20.8.2.3 specialization of common_type (for time_point)
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template<typename _Clock, typename _Duration1, typename _Duration2>
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struct common_type<chrono::time_point<_Clock, _Duration1>,
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2010-11-02 03:35:28 +01:00
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chrono::time_point<_Clock, _Duration2>>
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2008-07-16 01:23:23 +02:00
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{
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2010-11-02 03:35:28 +01:00
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typedef chrono::time_point<_Clock,
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typename common_type<_Duration1, _Duration2>::type> type;
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2008-07-16 01:23:23 +02:00
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};
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2010-11-02 03:35:28 +01:00
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namespace chrono
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2008-07-16 01:23:23 +02:00
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{
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2009-02-21 01:45:21 +01:00
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// Primary template for duration_cast impl.
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2008-07-16 01:23:23 +02:00
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template<typename _ToDuration, typename _CF, typename _CR,
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2010-11-02 03:35:28 +01:00
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bool _NumIsOne = false, bool _DenIsOne = false>
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2008-07-16 01:23:23 +02:00
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struct __duration_cast_impl
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{
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2010-11-02 03:35:28 +01:00
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template<typename _Rep, typename _Period>
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static constexpr _ToDuration
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__cast(const duration<_Rep, _Period>& __d)
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{
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return _ToDuration(static_cast<
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typename _ToDuration::rep>(static_cast<_CR>(__d.count())
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* static_cast<_CR>(_CF::num)
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/ static_cast<_CR>(_CF::den)));
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}
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2008-07-16 01:23:23 +02:00
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};
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template<typename _ToDuration, typename _CF, typename _CR>
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struct __duration_cast_impl<_ToDuration, _CF, _CR, true, true>
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{
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2010-11-02 03:35:28 +01:00
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template<typename _Rep, typename _Period>
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static constexpr _ToDuration
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__cast(const duration<_Rep, _Period>& __d)
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{
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return _ToDuration(
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static_cast<typename _ToDuration::rep>(__d.count()));
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}
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2008-07-16 01:23:23 +02:00
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};
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template<typename _ToDuration, typename _CF, typename _CR>
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struct __duration_cast_impl<_ToDuration, _CF, _CR, true, false>
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{
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2010-11-02 03:35:28 +01:00
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template<typename _Rep, typename _Period>
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static constexpr _ToDuration
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__cast(const duration<_Rep, _Period>& __d)
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{
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return _ToDuration(static_cast<typename _ToDuration::rep>(
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static_cast<_CR>(__d.count()) / static_cast<_CR>(_CF::den)));
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}
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2008-07-16 01:23:23 +02:00
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};
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template<typename _ToDuration, typename _CF, typename _CR>
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struct __duration_cast_impl<_ToDuration, _CF, _CR, false, true>
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{
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2010-11-02 03:35:28 +01:00
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template<typename _Rep, typename _Period>
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static constexpr _ToDuration
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__cast(const duration<_Rep, _Period>& __d)
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{
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return _ToDuration(static_cast<typename _ToDuration::rep>(
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static_cast<_CR>(__d.count()) * static_cast<_CR>(_CF::num)));
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}
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2008-07-16 01:23:23 +02:00
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};
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chrono (struct __common_rep_type): New.
2009-10-31 Paolo Carlini <paolo.carlini@oracle.com>
* include/std/chrono (struct __common_rep_type): New.
(duration_cast(const duration<>&),
duration<>::duration(const _Rep2&),
duration<>::duration(const duration<>&),
operator*(const duration<>&, const _Rep2&),
operator*(const _Rep1&, const duration<>&),
operator/(const duration<>&, const _Rep2&),
time_point_cast(const time_point<>&)): Implement resolution of
DR 1177 ([Ready] in Santa Cruz), change to not participate to
overload resolution if the constraints are not met.
* testsuite/20_util/duration/cons/1_neg.cc: Adjust dg-errors.
* testsuite/20_util/duration/cons/dr974.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Adjust
dg-error line numbers.
* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
From-SVN: r153787
2009-11-01 01:35:40 +01:00
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template<typename _Tp>
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struct __is_duration
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: std::false_type
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{ };
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template<typename _Rep, typename _Period>
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struct __is_duration<duration<_Rep, _Period>>
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: std::true_type
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{ };
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2009-02-21 01:45:21 +01:00
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/// duration_cast
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2008-07-16 01:23:23 +02:00
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template<typename _ToDuration, typename _Rep, typename _Period>
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2010-11-02 03:35:28 +01:00
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inline constexpr typename enable_if<__is_duration<_ToDuration>::value,
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chrono (struct __common_rep_type): New.
2009-10-31 Paolo Carlini <paolo.carlini@oracle.com>
* include/std/chrono (struct __common_rep_type): New.
(duration_cast(const duration<>&),
duration<>::duration(const _Rep2&),
duration<>::duration(const duration<>&),
operator*(const duration<>&, const _Rep2&),
operator*(const _Rep1&, const duration<>&),
operator/(const duration<>&, const _Rep2&),
time_point_cast(const time_point<>&)): Implement resolution of
DR 1177 ([Ready] in Santa Cruz), change to not participate to
overload resolution if the constraints are not met.
* testsuite/20_util/duration/cons/1_neg.cc: Adjust dg-errors.
* testsuite/20_util/duration/cons/dr974.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Adjust
dg-error line numbers.
* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
From-SVN: r153787
2009-11-01 01:35:40 +01:00
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_ToDuration>::type
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2008-07-16 01:23:23 +02:00
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duration_cast(const duration<_Rep, _Period>& __d)
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{
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2010-11-02 03:35:28 +01:00
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typedef typename
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ratio_divide<_Period, typename _ToDuration::period>::type __cf;
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typedef typename
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common_type<typename _ToDuration::rep, _Rep, intmax_t>::type __cr;
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2008-07-16 01:23:23 +02:00
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2010-11-02 03:35:28 +01:00
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return __duration_cast_impl<_ToDuration, __cf, __cr,
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__cf::num == 1, __cf::den == 1>::__cast(__d);
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2008-07-16 01:23:23 +02:00
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}
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2009-02-21 01:45:21 +01:00
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/// treat_as_floating_point
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2008-07-16 01:23:23 +02:00
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template<typename _Rep>
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2009-07-21 16:48:47 +02:00
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struct treat_as_floating_point
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2008-07-16 01:23:23 +02:00
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: is_floating_point<_Rep>
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{ };
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2009-02-21 01:45:21 +01:00
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/// duration_values
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2008-07-16 01:23:23 +02:00
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template<typename _Rep>
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struct duration_values
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{
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2010-11-02 03:35:28 +01:00
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static constexpr _Rep
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zero()
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{ return _Rep(0); }
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static constexpr _Rep
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max()
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{ return numeric_limits<_Rep>::max(); }
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static constexpr _Rep
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min()
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{ return numeric_limits<_Rep>::min(); }
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2008-07-16 01:23:23 +02:00
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};
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2008-07-31 21:37:21 +02:00
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template<typename T>
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struct __is_ratio
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: std::false_type
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{ };
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template<intmax_t _Num, intmax_t _Den>
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struct __is_ratio<ratio<_Num, _Den>>
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: std::true_type
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{ };
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2008-07-16 09:01:23 +02:00
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/// duration
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2008-07-16 01:23:23 +02:00
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template<typename _Rep, typename _Period>
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struct duration
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{
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2010-11-02 03:35:28 +01:00
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typedef _Rep rep;
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typedef _Period period;
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2008-07-31 21:37:21 +02:00
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static_assert(!__is_duration<_Rep>::value, "rep cannot be a duration");
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2010-11-02 03:35:28 +01:00
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static_assert(__is_ratio<_Period>::value,
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2008-07-31 21:37:21 +02:00
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"period must be a specialization of ratio");
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2010-11-02 03:35:28 +01:00
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static_assert(_Period::num > 0, "period must be positive");
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// 20.8.3.1 construction / copy / destroy
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constexpr duration() : __r() { }
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template<typename _Rep2, typename = typename
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chrono (struct __common_rep_type): New.
2009-10-31 Paolo Carlini <paolo.carlini@oracle.com>
* include/std/chrono (struct __common_rep_type): New.
(duration_cast(const duration<>&),
duration<>::duration(const _Rep2&),
duration<>::duration(const duration<>&),
operator*(const duration<>&, const _Rep2&),
operator*(const _Rep1&, const duration<>&),
operator/(const duration<>&, const _Rep2&),
time_point_cast(const time_point<>&)): Implement resolution of
DR 1177 ([Ready] in Santa Cruz), change to not participate to
overload resolution if the constraints are not met.
* testsuite/20_util/duration/cons/1_neg.cc: Adjust dg-errors.
* testsuite/20_util/duration/cons/dr974.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Adjust
dg-error line numbers.
* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
From-SVN: r153787
2009-11-01 01:35:40 +01:00
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enable_if<is_convertible<_Rep2, rep>::value
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&& (treat_as_floating_point<rep>::value
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|| !treat_as_floating_point<_Rep2>::value)>::type>
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2010-11-02 03:35:28 +01:00
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constexpr explicit duration(const _Rep2& __rep)
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: __r(static_cast<rep>(__rep)) { }
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2008-07-16 01:23:23 +02:00
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2010-11-02 03:35:28 +01:00
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template<typename _Rep2, typename _Period2, typename = typename
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enable_if<treat_as_floating_point<rep>::value
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chrono (struct __common_rep_type): New.
2009-10-31 Paolo Carlini <paolo.carlini@oracle.com>
* include/std/chrono (struct __common_rep_type): New.
(duration_cast(const duration<>&),
duration<>::duration(const _Rep2&),
duration<>::duration(const duration<>&),
operator*(const duration<>&, const _Rep2&),
operator*(const _Rep1&, const duration<>&),
operator/(const duration<>&, const _Rep2&),
time_point_cast(const time_point<>&)): Implement resolution of
DR 1177 ([Ready] in Santa Cruz), change to not participate to
overload resolution if the constraints are not met.
* testsuite/20_util/duration/cons/1_neg.cc: Adjust dg-errors.
* testsuite/20_util/duration/cons/dr974.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Adjust
dg-error line numbers.
* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
From-SVN: r153787
2009-11-01 01:35:40 +01:00
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|| (ratio_divide<_Period2, period>::type::den == 1
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&& !treat_as_floating_point<_Rep2>::value)>::type>
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2010-11-02 03:35:28 +01:00
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constexpr duration(const duration<_Rep2, _Period2>& __d)
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: __r(duration_cast<duration>(__d).count()) { }
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2008-07-16 01:23:23 +02:00
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2008-07-31 21:37:21 +02:00
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~duration() = default;
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duration(const duration&) = default;
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duration& operator=(const duration&) = default;
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2010-11-02 03:35:28 +01:00
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// 20.8.3.2 observer
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constexpr rep
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count() const
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{ return __r; }
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// 20.8.3.3 arithmetic
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constexpr duration
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operator+() const
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{ return *this; }
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constexpr duration
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operator-() const
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{ return duration(-__r); }
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duration&
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operator++()
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{
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++__r;
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return *this;
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}
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duration
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operator++(int)
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{ return duration(__r++); }
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duration&
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operator--()
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{
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--__r;
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return *this;
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}
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duration
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operator--(int)
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{ return duration(__r--); }
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duration&
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operator+=(const duration& __d)
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|
|
|
{
|
|
|
|
__r += __d.count();
|
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
|
|
|
duration&
|
|
|
|
operator-=(const duration& __d)
|
|
|
|
{
|
|
|
|
__r -= __d.count();
|
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
|
|
|
duration&
|
|
|
|
operator*=(const rep& __rhs)
|
|
|
|
{
|
|
|
|
__r *= __rhs;
|
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
|
|
|
duration&
|
|
|
|
operator/=(const rep& __rhs)
|
|
|
|
{
|
|
|
|
__r /= __rhs;
|
|
|
|
return *this;
|
|
|
|
}
|
2008-07-16 01:23:23 +02:00
|
|
|
|
2009-07-21 16:48:47 +02:00
|
|
|
// DR 934.
|
|
|
|
template<typename _Rep2 = rep>
|
|
|
|
typename enable_if<!treat_as_floating_point<_Rep2>::value,
|
|
|
|
duration&>::type
|
|
|
|
operator%=(const rep& __rhs)
|
|
|
|
{
|
|
|
|
__r %= __rhs;
|
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
|
|
|
template<typename _Rep2 = rep>
|
|
|
|
typename enable_if<!treat_as_floating_point<_Rep2>::value,
|
|
|
|
duration&>::type
|
|
|
|
operator%=(const duration& __d)
|
|
|
|
{
|
|
|
|
__r %= __d.count();
|
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
2010-11-02 03:35:28 +01:00
|
|
|
// 20.8.3.4 special values
|
|
|
|
static constexpr duration
|
|
|
|
zero()
|
|
|
|
{ return duration(duration_values<rep>::zero()); }
|
|
|
|
|
|
|
|
static constexpr duration
|
|
|
|
min()
|
|
|
|
{ return duration(duration_values<rep>::min()); }
|
2008-07-16 01:23:23 +02:00
|
|
|
|
2010-11-02 03:35:28 +01:00
|
|
|
static constexpr duration
|
|
|
|
max()
|
|
|
|
{ return duration(duration_values<rep>::max()); }
|
2009-07-21 16:48:47 +02:00
|
|
|
|
|
|
|
private:
|
2010-11-02 03:35:28 +01:00
|
|
|
rep __r;
|
2008-07-16 01:23:23 +02:00
|
|
|
};
|
|
|
|
|
|
|
|
template<typename _Rep1, typename _Period1,
|
2010-11-02 03:35:28 +01:00
|
|
|
typename _Rep2, typename _Period2>
|
|
|
|
inline typename common_type<duration<_Rep1, _Period1>,
|
|
|
|
duration<_Rep2, _Period2>>::type
|
|
|
|
operator+(const duration<_Rep1, _Period1>& __lhs,
|
|
|
|
const duration<_Rep2, _Period2>& __rhs)
|
2008-07-16 01:23:23 +02:00
|
|
|
{
|
2010-11-02 03:35:28 +01:00
|
|
|
typedef typename common_type<duration<_Rep1, _Period1>,
|
|
|
|
duration<_Rep2, _Period2>>::type __ct;
|
|
|
|
return __ct(__lhs) += __rhs;
|
2008-07-16 01:23:23 +02:00
|
|
|
}
|
|
|
|
|
2010-11-02 03:35:28 +01:00
|
|
|
template<typename _Rep1, typename _Period1,
|
|
|
|
typename _Rep2, typename _Period2>
|
|
|
|
inline typename common_type<duration<_Rep1, _Period1>,
|
|
|
|
duration<_Rep2, _Period2>>::type
|
|
|
|
operator-(const duration<_Rep1, _Period1>& __lhs,
|
|
|
|
const duration<_Rep2, _Period2>& __rhs)
|
2008-07-16 01:23:23 +02:00
|
|
|
{
|
2010-11-02 03:35:28 +01:00
|
|
|
typedef typename common_type<duration<_Rep1, _Period1>,
|
|
|
|
duration<_Rep2, _Period2>>::type __ct;
|
|
|
|
return __ct(__lhs) -= __rhs;
|
2008-07-16 01:23:23 +02:00
|
|
|
}
|
|
|
|
|
chrono (struct __common_rep_type): New.
2009-10-31 Paolo Carlini <paolo.carlini@oracle.com>
* include/std/chrono (struct __common_rep_type): New.
(duration_cast(const duration<>&),
duration<>::duration(const _Rep2&),
duration<>::duration(const duration<>&),
operator*(const duration<>&, const _Rep2&),
operator*(const _Rep1&, const duration<>&),
operator/(const duration<>&, const _Rep2&),
time_point_cast(const time_point<>&)): Implement resolution of
DR 1177 ([Ready] in Santa Cruz), change to not participate to
overload resolution if the constraints are not met.
* testsuite/20_util/duration/cons/1_neg.cc: Adjust dg-errors.
* testsuite/20_util/duration/cons/dr974.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Adjust
dg-error line numbers.
* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
From-SVN: r153787
2009-11-01 01:35:40 +01:00
|
|
|
template<typename _Rep1, typename _Rep2, bool =
|
|
|
|
is_convertible<_Rep2,
|
|
|
|
typename common_type<_Rep1, _Rep2>::type>::value>
|
|
|
|
struct __common_rep_type { };
|
|
|
|
|
|
|
|
template<typename _Rep1, typename _Rep2>
|
|
|
|
struct __common_rep_type<_Rep1, _Rep2, true>
|
2010-11-02 03:35:28 +01:00
|
|
|
{ typedef typename common_type<_Rep1, _Rep2>::type type; };
|
chrono (struct __common_rep_type): New.
2009-10-31 Paolo Carlini <paolo.carlini@oracle.com>
* include/std/chrono (struct __common_rep_type): New.
(duration_cast(const duration<>&),
duration<>::duration(const _Rep2&),
duration<>::duration(const duration<>&),
operator*(const duration<>&, const _Rep2&),
operator*(const _Rep1&, const duration<>&),
operator/(const duration<>&, const _Rep2&),
time_point_cast(const time_point<>&)): Implement resolution of
DR 1177 ([Ready] in Santa Cruz), change to not participate to
overload resolution if the constraints are not met.
* testsuite/20_util/duration/cons/1_neg.cc: Adjust dg-errors.
* testsuite/20_util/duration/cons/dr974.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Adjust
dg-error line numbers.
* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
From-SVN: r153787
2009-11-01 01:35:40 +01:00
|
|
|
|
2008-07-16 01:23:23 +02:00
|
|
|
template<typename _Rep1, typename _Period, typename _Rep2>
|
chrono (struct __common_rep_type): New.
2009-10-31 Paolo Carlini <paolo.carlini@oracle.com>
* include/std/chrono (struct __common_rep_type): New.
(duration_cast(const duration<>&),
duration<>::duration(const _Rep2&),
duration<>::duration(const duration<>&),
operator*(const duration<>&, const _Rep2&),
operator*(const _Rep1&, const duration<>&),
operator/(const duration<>&, const _Rep2&),
time_point_cast(const time_point<>&)): Implement resolution of
DR 1177 ([Ready] in Santa Cruz), change to not participate to
overload resolution if the constraints are not met.
* testsuite/20_util/duration/cons/1_neg.cc: Adjust dg-errors.
* testsuite/20_util/duration/cons/dr974.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Adjust
dg-error line numbers.
* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
From-SVN: r153787
2009-11-01 01:35:40 +01:00
|
|
|
inline duration<typename __common_rep_type<_Rep1, _Rep2>::type, _Period>
|
2008-07-16 01:23:23 +02:00
|
|
|
operator*(const duration<_Rep1, _Period>& __d, const _Rep2& __s)
|
|
|
|
{
|
2010-11-02 03:35:28 +01:00
|
|
|
typedef typename common_type<_Rep1, _Rep2>::type __cr;
|
|
|
|
return duration<__cr, _Period>(__d) *= __s;
|
2008-07-16 01:23:23 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
template<typename _Rep1, typename _Period, typename _Rep2>
|
chrono (struct __common_rep_type): New.
2009-10-31 Paolo Carlini <paolo.carlini@oracle.com>
* include/std/chrono (struct __common_rep_type): New.
(duration_cast(const duration<>&),
duration<>::duration(const _Rep2&),
duration<>::duration(const duration<>&),
operator*(const duration<>&, const _Rep2&),
operator*(const _Rep1&, const duration<>&),
operator/(const duration<>&, const _Rep2&),
time_point_cast(const time_point<>&)): Implement resolution of
DR 1177 ([Ready] in Santa Cruz), change to not participate to
overload resolution if the constraints are not met.
* testsuite/20_util/duration/cons/1_neg.cc: Adjust dg-errors.
* testsuite/20_util/duration/cons/dr974.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Adjust
dg-error line numbers.
* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
From-SVN: r153787
2009-11-01 01:35:40 +01:00
|
|
|
inline duration<typename __common_rep_type<_Rep2, _Rep1>::type, _Period>
|
|
|
|
operator*(const _Rep1& __s, const duration<_Rep2, _Period>& __d)
|
2008-07-16 01:23:23 +02:00
|
|
|
{ return __d * __s; }
|
2010-11-02 03:35:28 +01:00
|
|
|
|
2008-07-16 01:23:23 +02:00
|
|
|
template<typename _Rep1, typename _Period, typename _Rep2>
|
chrono (struct __common_rep_type): New.
2009-10-31 Paolo Carlini <paolo.carlini@oracle.com>
* include/std/chrono (struct __common_rep_type): New.
(duration_cast(const duration<>&),
duration<>::duration(const _Rep2&),
duration<>::duration(const duration<>&),
operator*(const duration<>&, const _Rep2&),
operator*(const _Rep1&, const duration<>&),
operator/(const duration<>&, const _Rep2&),
time_point_cast(const time_point<>&)): Implement resolution of
DR 1177 ([Ready] in Santa Cruz), change to not participate to
overload resolution if the constraints are not met.
* testsuite/20_util/duration/cons/1_neg.cc: Adjust dg-errors.
* testsuite/20_util/duration/cons/dr974.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Adjust
dg-error line numbers.
* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
From-SVN: r153787
2009-11-01 01:35:40 +01:00
|
|
|
inline duration<typename __common_rep_type<_Rep1, typename
|
2009-07-21 16:48:47 +02:00
|
|
|
enable_if<!__is_duration<_Rep2>::value, _Rep2>::type>::type, _Period>
|
|
|
|
operator/(const duration<_Rep1, _Period>& __d, const _Rep2& __s)
|
2008-07-16 01:23:23 +02:00
|
|
|
{
|
2009-07-21 16:48:47 +02:00
|
|
|
typedef typename common_type<_Rep1, _Rep2>::type __cr;
|
|
|
|
return duration<__cr, _Period>(__d) /= __s;
|
|
|
|
}
|
2008-07-16 01:23:23 +02:00
|
|
|
|
2009-07-21 16:48:47 +02:00
|
|
|
template<typename _Rep1, typename _Period1,
|
|
|
|
typename _Rep2, typename _Period2>
|
|
|
|
inline typename common_type<_Rep1, _Rep2>::type
|
2010-11-02 03:35:28 +01:00
|
|
|
operator/(const duration<_Rep1, _Period1>& __lhs,
|
|
|
|
const duration<_Rep2, _Period2>& __rhs)
|
2008-07-16 01:23:23 +02:00
|
|
|
{
|
2010-11-02 03:35:28 +01:00
|
|
|
typedef typename common_type<duration<_Rep1, _Period1>,
|
|
|
|
duration<_Rep2, _Period2>>::type __ct;
|
|
|
|
return __ct(__lhs).count() / __ct(__rhs).count();
|
2009-07-21 16:48:47 +02:00
|
|
|
}
|
2008-07-16 01:23:23 +02:00
|
|
|
|
2009-07-21 16:48:47 +02:00
|
|
|
// DR 934.
|
|
|
|
template<typename _Rep1, typename _Period, typename _Rep2>
|
chrono (struct __common_rep_type): New.
2009-10-31 Paolo Carlini <paolo.carlini@oracle.com>
* include/std/chrono (struct __common_rep_type): New.
(duration_cast(const duration<>&),
duration<>::duration(const _Rep2&),
duration<>::duration(const duration<>&),
operator*(const duration<>&, const _Rep2&),
operator*(const _Rep1&, const duration<>&),
operator/(const duration<>&, const _Rep2&),
time_point_cast(const time_point<>&)): Implement resolution of
DR 1177 ([Ready] in Santa Cruz), change to not participate to
overload resolution if the constraints are not met.
* testsuite/20_util/duration/cons/1_neg.cc: Adjust dg-errors.
* testsuite/20_util/duration/cons/dr974.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Adjust
dg-error line numbers.
* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
From-SVN: r153787
2009-11-01 01:35:40 +01:00
|
|
|
inline duration<typename __common_rep_type<_Rep1, typename
|
2009-07-21 16:48:47 +02:00
|
|
|
enable_if<!__is_duration<_Rep2>::value, _Rep2>::type>::type, _Period>
|
|
|
|
operator%(const duration<_Rep1, _Period>& __d, const _Rep2& __s)
|
2008-07-16 01:23:23 +02:00
|
|
|
{
|
2009-07-21 16:48:47 +02:00
|
|
|
typedef typename common_type<_Rep1, _Rep2>::type __cr;
|
|
|
|
return duration<__cr, _Period>(__d) %= __s;
|
2008-07-16 01:23:23 +02:00
|
|
|
}
|
2009-07-21 16:48:47 +02:00
|
|
|
|
|
|
|
template<typename _Rep1, typename _Period1,
|
|
|
|
typename _Rep2, typename _Period2>
|
2010-11-02 03:35:28 +01:00
|
|
|
inline typename common_type<duration<_Rep1, _Period1>,
|
|
|
|
duration<_Rep2, _Period2>>::type
|
|
|
|
operator%(const duration<_Rep1, _Period1>& __lhs,
|
|
|
|
const duration<_Rep2, _Period2>& __rhs)
|
2009-07-21 16:48:47 +02:00
|
|
|
{
|
2010-11-02 03:35:28 +01:00
|
|
|
typedef typename common_type<duration<_Rep1, _Period1>,
|
|
|
|
duration<_Rep2, _Period2>>::type __ct;
|
|
|
|
return __ct(__lhs) %= __rhs;
|
2009-07-21 16:48:47 +02:00
|
|
|
}
|
|
|
|
|
2008-07-16 01:23:23 +02:00
|
|
|
// comparisons
|
|
|
|
template<typename _Rep1, typename _Period1,
|
2010-11-02 03:35:28 +01:00
|
|
|
typename _Rep2, typename _Period2>
|
|
|
|
inline constexpr bool
|
|
|
|
operator==(const duration<_Rep1, _Period1>& __lhs,
|
|
|
|
const duration<_Rep2, _Period2>& __rhs)
|
2008-07-16 01:23:23 +02:00
|
|
|
{
|
2010-11-02 03:35:28 +01:00
|
|
|
typedef typename common_type<duration<_Rep1, _Period1>,
|
|
|
|
duration<_Rep2, _Period2>>::type __ct;
|
|
|
|
return __ct(__lhs).count() == __ct(__rhs).count();
|
2008-07-16 01:23:23 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
template<typename _Rep1, typename _Period1,
|
2010-11-02 03:35:28 +01:00
|
|
|
typename _Rep2, typename _Period2>
|
|
|
|
inline constexpr bool
|
|
|
|
operator<(const duration<_Rep1, _Period1>& __lhs,
|
|
|
|
const duration<_Rep2, _Period2>& __rhs)
|
2008-07-16 01:23:23 +02:00
|
|
|
{
|
2010-11-02 03:35:28 +01:00
|
|
|
typedef typename common_type<duration<_Rep1, _Period1>,
|
|
|
|
duration<_Rep2, _Period2>>::type __ct;
|
|
|
|
return __ct(__lhs).count() < __ct(__rhs).count();
|
2008-07-16 01:23:23 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
template<typename _Rep1, typename _Period1,
|
2010-11-02 03:35:28 +01:00
|
|
|
typename _Rep2, typename _Period2>
|
|
|
|
inline constexpr bool
|
|
|
|
operator!=(const duration<_Rep1, _Period1>& __lhs,
|
|
|
|
const duration<_Rep2, _Period2>& __rhs)
|
2008-07-16 01:23:23 +02:00
|
|
|
{ return !(__lhs == __rhs); }
|
|
|
|
|
|
|
|
template<typename _Rep1, typename _Period1,
|
2010-11-02 03:35:28 +01:00
|
|
|
typename _Rep2, typename _Period2>
|
|
|
|
inline constexpr bool
|
|
|
|
operator<=(const duration<_Rep1, _Period1>& __lhs,
|
|
|
|
const duration<_Rep2, _Period2>& __rhs)
|
2008-07-16 01:23:23 +02:00
|
|
|
{ return !(__rhs < __lhs); }
|
|
|
|
|
|
|
|
template<typename _Rep1, typename _Period1,
|
2010-11-02 03:35:28 +01:00
|
|
|
typename _Rep2, typename _Period2>
|
|
|
|
inline constexpr bool
|
|
|
|
operator>(const duration<_Rep1, _Period1>& __lhs,
|
|
|
|
const duration<_Rep2, _Period2>& __rhs)
|
2008-07-16 01:23:23 +02:00
|
|
|
{ return __rhs < __lhs; }
|
|
|
|
|
2010-11-02 03:35:28 +01:00
|
|
|
template<typename _Rep1, typename _Period1,
|
|
|
|
typename _Rep2, typename _Period2>
|
|
|
|
inline constexpr bool
|
|
|
|
operator>=(const duration<_Rep1, _Period1>& __lhs,
|
|
|
|
const duration<_Rep2, _Period2>& __rhs)
|
2008-07-16 01:23:23 +02:00
|
|
|
{ return !(__lhs < __rhs); }
|
|
|
|
|
2009-02-21 01:45:21 +01:00
|
|
|
/// nanoseconds
|
2010-11-02 03:35:28 +01:00
|
|
|
typedef duration<int64_t, nano> nanoseconds;
|
2009-02-21 01:45:21 +01:00
|
|
|
|
|
|
|
/// microseconds
|
2010-11-02 03:35:28 +01:00
|
|
|
typedef duration<int64_t, micro> microseconds;
|
2009-02-21 01:45:21 +01:00
|
|
|
|
|
|
|
/// milliseconds
|
2010-11-02 03:35:28 +01:00
|
|
|
typedef duration<int64_t, milli> milliseconds;
|
|
|
|
|
2009-02-21 01:45:21 +01:00
|
|
|
/// seconds
|
2010-11-02 03:35:28 +01:00
|
|
|
typedef duration<int64_t> seconds;
|
2009-02-21 01:45:21 +01:00
|
|
|
|
|
|
|
/// minutes
|
2010-11-02 03:35:28 +01:00
|
|
|
typedef duration<int, ratio< 60>> minutes;
|
2009-02-21 01:45:21 +01:00
|
|
|
|
|
|
|
/// hours
|
2010-11-02 03:35:28 +01:00
|
|
|
typedef duration<int, ratio<3600>> hours;
|
2008-07-16 01:23:23 +02:00
|
|
|
|
2008-07-16 09:01:23 +02:00
|
|
|
/// time_point
|
2008-07-16 01:23:23 +02:00
|
|
|
template<typename _Clock, typename _Duration>
|
2008-07-16 09:01:23 +02:00
|
|
|
struct time_point
|
2008-07-16 01:23:23 +02:00
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{
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2010-11-02 03:35:28 +01:00
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typedef _Clock clock;
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typedef _Duration duration;
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typedef typename duration::rep rep;
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typedef typename duration::period period;
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2008-07-16 09:01:23 +02:00
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2010-11-02 03:35:28 +01:00
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constexpr time_point() : __d(duration::zero())
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2008-07-16 09:01:23 +02:00
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{ }
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2010-11-02 03:35:28 +01:00
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constexpr explicit time_point(const duration& __dur)
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: __d(__dur)
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2008-07-16 09:01:23 +02:00
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{ }
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// conversions
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template<typename _Duration2>
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2010-11-02 03:35:28 +01:00
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constexpr time_point(const time_point<clock, _Duration2>& __t)
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2008-07-16 09:01:23 +02:00
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: __d(__t.time_since_epoch())
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{ }
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// observer
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2010-11-02 03:35:28 +01:00
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constexpr duration
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2008-07-16 09:01:23 +02:00
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time_since_epoch() const
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{ return __d; }
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2010-11-02 03:35:28 +01:00
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2008-07-16 09:01:23 +02:00
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// arithmetic
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time_point&
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operator+=(const duration& __dur)
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{
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__d += __dur;
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return *this;
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}
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2010-11-02 03:35:28 +01:00
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2008-07-16 09:01:23 +02:00
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time_point&
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operator-=(const duration& __dur)
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{
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__d -= __dur;
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return *this;
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}
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2010-11-02 03:35:28 +01:00
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2008-07-16 09:01:23 +02:00
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// special values
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2010-11-02 03:35:28 +01:00
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static constexpr time_point
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2008-07-16 09:01:23 +02:00
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min()
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{ return time_point(duration::min()); }
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2010-11-02 03:35:28 +01:00
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static constexpr time_point
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2008-07-16 09:01:23 +02:00
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max()
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{ return time_point(duration::max()); }
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2010-11-02 03:35:28 +01:00
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2008-07-16 09:01:23 +02:00
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private:
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duration __d;
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};
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2010-11-02 03:35:28 +01:00
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2009-02-21 01:45:21 +01:00
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/// time_point_cast
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2008-07-16 01:23:23 +02:00
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template<typename _ToDuration, typename _Clock, typename _Duration>
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2010-11-02 03:35:28 +01:00
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inline constexpr typename enable_if<__is_duration<_ToDuration>::value,
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chrono (struct __common_rep_type): New.
2009-10-31 Paolo Carlini <paolo.carlini@oracle.com>
* include/std/chrono (struct __common_rep_type): New.
(duration_cast(const duration<>&),
duration<>::duration(const _Rep2&),
duration<>::duration(const duration<>&),
operator*(const duration<>&, const _Rep2&),
operator*(const _Rep1&, const duration<>&),
operator/(const duration<>&, const _Rep2&),
time_point_cast(const time_point<>&)): Implement resolution of
DR 1177 ([Ready] in Santa Cruz), change to not participate to
overload resolution if the constraints are not met.
* testsuite/20_util/duration/cons/1_neg.cc: Adjust dg-errors.
* testsuite/20_util/duration/cons/dr974.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Adjust
dg-error line numbers.
* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
From-SVN: r153787
2009-11-01 01:35:40 +01:00
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time_point<_Clock, _ToDuration>>::type
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2008-07-16 01:23:23 +02:00
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time_point_cast(const time_point<_Clock, _Duration>& __t)
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{
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2010-11-02 03:35:28 +01:00
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return time_point<_Clock, _ToDuration>(
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duration_cast<_ToDuration>(__t.time_since_epoch()));
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2008-07-16 01:23:23 +02:00
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}
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template<typename _Clock, typename _Duration1,
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2010-11-02 03:35:28 +01:00
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typename _Rep2, typename _Period2>
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inline time_point<_Clock,
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typename common_type<_Duration1, duration<_Rep2, _Period2>>::type>
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operator+(const time_point<_Clock, _Duration1>& __lhs,
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const duration<_Rep2, _Period2>& __rhs)
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2008-07-16 01:23:23 +02:00
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{
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2010-11-02 03:35:28 +01:00
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typedef time_point<_Clock,
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typename common_type<_Duration1,
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duration<_Rep2, _Period2>>::type> __ct;
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return __ct(__lhs) += __rhs;
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2008-07-16 01:23:23 +02:00
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}
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template<typename _Rep1, typename _Period1,
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2010-11-02 03:35:28 +01:00
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typename _Clock, typename _Duration2>
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inline time_point<_Clock,
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typename common_type<duration<_Rep1, _Period1>, _Duration2>::type>
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operator+(const duration<_Rep1, _Period1>& __lhs,
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const time_point<_Clock, _Duration2>& __rhs)
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2008-07-16 01:23:23 +02:00
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{ return __rhs + __lhs; }
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template<typename _Clock, typename _Duration1,
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2010-11-02 03:35:28 +01:00
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typename _Rep2, typename _Period2>
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inline time_point<_Clock,
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typename common_type<_Duration1, duration<_Rep2, _Period2>>::type>
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operator-(const time_point<_Clock, _Duration1>& __lhs,
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const duration<_Rep2, _Period2>& __rhs)
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2008-07-16 01:23:23 +02:00
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{ return __lhs + (-__rhs); }
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template<typename _Clock, typename _Duration1, typename _Duration2>
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inline typename common_type<_Duration1, _Duration2>::type
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2010-11-02 03:35:28 +01:00
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operator-(const time_point<_Clock, _Duration1>& __lhs,
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const time_point<_Clock, _Duration2>& __rhs)
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2008-07-16 01:23:23 +02:00
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{ return __lhs.time_since_epoch() - __rhs.time_since_epoch(); }
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template<typename _Clock, typename _Duration1, typename _Duration2>
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2010-11-02 03:35:28 +01:00
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inline constexpr bool
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2008-07-16 01:23:23 +02:00
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operator==(const time_point<_Clock, _Duration1>& __lhs,
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2010-11-02 03:35:28 +01:00
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const time_point<_Clock, _Duration2>& __rhs)
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2008-07-16 01:23:23 +02:00
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{ return __lhs.time_since_epoch() == __rhs.time_since_epoch(); }
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template<typename _Clock, typename _Duration1, typename _Duration2>
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2010-11-02 03:35:28 +01:00
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inline constexpr bool
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2008-07-16 01:23:23 +02:00
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operator!=(const time_point<_Clock, _Duration1>& __lhs,
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2010-11-02 03:35:28 +01:00
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const time_point<_Clock, _Duration2>& __rhs)
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2008-07-16 01:23:23 +02:00
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{ return !(__lhs == __rhs); }
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template<typename _Clock, typename _Duration1, typename _Duration2>
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2010-11-02 03:35:28 +01:00
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inline constexpr bool
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2008-07-16 01:23:23 +02:00
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operator<(const time_point<_Clock, _Duration1>& __lhs,
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2010-11-02 03:35:28 +01:00
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const time_point<_Clock, _Duration2>& __rhs)
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2008-07-16 01:23:23 +02:00
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{ return __lhs.time_since_epoch() < __rhs.time_since_epoch(); }
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template<typename _Clock, typename _Duration1, typename _Duration2>
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2010-11-02 03:35:28 +01:00
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inline constexpr bool
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2008-07-16 01:23:23 +02:00
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operator<=(const time_point<_Clock, _Duration1>& __lhs,
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2010-11-02 03:35:28 +01:00
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const time_point<_Clock, _Duration2>& __rhs)
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2008-07-16 01:23:23 +02:00
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{ return !(__rhs < __lhs); }
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template<typename _Clock, typename _Duration1, typename _Duration2>
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2010-11-02 03:35:28 +01:00
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inline constexpr bool
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2008-07-16 01:23:23 +02:00
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operator>(const time_point<_Clock, _Duration1>& __lhs,
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2010-11-02 03:35:28 +01:00
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const time_point<_Clock, _Duration2>& __rhs)
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2008-07-16 01:23:23 +02:00
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{ return __rhs < __lhs; }
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template<typename _Clock, typename _Duration1, typename _Duration2>
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2010-11-02 03:35:28 +01:00
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inline constexpr bool
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2008-07-16 01:23:23 +02:00
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operator>=(const time_point<_Clock, _Duration1>& __lhs,
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2010-11-02 03:35:28 +01:00
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const time_point<_Clock, _Duration2>& __rhs)
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2008-07-16 01:23:23 +02:00
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{ return !(__lhs < __rhs); }
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2008-07-16 09:01:23 +02:00
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/// system_clock
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2008-07-16 01:23:23 +02:00
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struct system_clock
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{
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2008-09-23 19:34:29 +02:00
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#ifdef _GLIBCXX_USE_CLOCK_REALTIME
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2010-11-02 03:35:28 +01:00
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typedef chrono::nanoseconds duration;
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2008-07-16 01:23:23 +02:00
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#elif defined(_GLIBCXX_USE_GETTIMEOFDAY)
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2010-11-02 03:35:28 +01:00
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typedef chrono::microseconds duration;
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2008-07-16 01:23:23 +02:00
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#else
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2010-11-02 03:35:28 +01:00
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typedef chrono::seconds duration;
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2008-07-16 01:23:23 +02:00
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#endif
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typedef duration::rep rep;
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typedef duration::period period;
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typedef chrono::time_point<system_clock, duration> time_point;
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2010-11-02 03:35:28 +01:00
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static_assert(system_clock::duration::min()
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< system_clock::duration::zero(),
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"a clock's minimum duration cannot be less than its epoch");
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2008-07-16 01:23:23 +02:00
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static const bool is_monotonic = false;
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static time_point
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condition_variable.cc (condition_variable, [...]): Mark throw()
* src/condition_variable.cc (condition_variable,
condition_variable_any constructors): Mark throw()
* src/hash.cc (operator() for long double, string, and wstring): Mark
throw ().
* src/strstream.cc (strstreambuf constructors, freeze, str, pcount,
_M_setup, rdbuf, str): Mark throw ().
* src/chrono.cc (new): Mark throw ().
* include/std/system_error (system_category, generic_category): Mark
throw () and const.
* include/std/chrono (now): Mark throw ().
* include/std/condition_variable (condition_variable,
~condition_variable, condition_variable_any,
~condition_variable_any): Mark throw ().
* include/std/mutex (mutex): Mark throw ().
* include/bits/stl_list.h (swap, transfer, reverse, hook, unhook): Mark
throw.
* include/bits/functional_hash.h (operator() on size_t): Mark pure and throw ().
* include/bits/locale_facets.tcc (__verify_grouping): Mark pure.
* include/bits/locale_classes.h (_S_initialize_once,
_S_clone_c_locale): Mark throw ().
(_S_get_c_name): Mark const and throw ().
(_M_id, _M_compare, _M_transform, _M_compare, _M_transform): Mark throw ().
* include/bits/locale_facets.h (__convert_to_v explicit instances):
Mark throw ().
(_M_convert_to_wmask, _M_initialize_ctype, _S_format_float): Mark throw ().
* include/bits/ios_base.h (_M_dispose_callbacks, _M_init, imbue,
ios_base): Mark throw ()
* include/bits/locale_facets_nonio.h (_M_put): Mark throw.
* include/backward/strstream (strstreambuf constructors): Mark throw ().
(str, freeze, _M_setupf): Mark throw ().
(pcount): Mark pure and throw ().
(rdbuf): Mark const and throw ().
From-SVN: r146328
2009-04-18 23:19:18 +02:00
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now() throw ();
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2008-07-16 01:23:23 +02:00
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// Map to C API
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static std::time_t
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to_time_t(const time_point& __t)
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{
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2010-11-02 03:35:28 +01:00
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return std::time_t(
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duration_cast<chrono::seconds>(__t.time_since_epoch()).count());
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2008-07-16 01:23:23 +02:00
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}
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static time_point
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from_time_t(std::time_t __t)
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2010-11-02 03:35:28 +01:00
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{
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return time_point_cast<system_clock::duration>(
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chrono::time_point<system_clock, chrono::seconds>(
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chrono::seconds(__t)));
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2008-07-16 01:23:23 +02:00
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}
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};
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2008-09-23 19:34:29 +02:00
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#ifdef _GLIBCXX_USE_CLOCK_MONOTONIC
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2009-02-21 01:45:21 +01:00
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/// monotonic_clock
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2008-09-23 19:34:29 +02:00
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struct monotonic_clock
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{
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typedef chrono::nanoseconds duration;
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typedef duration::rep rep;
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typedef duration::period period;
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typedef chrono::time_point<monotonic_clock, duration> time_point;
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static const bool is_monotonic = true;
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static time_point
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now();
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};
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#else
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typedef system_clock monotonic_clock;
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#endif
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2008-07-16 01:23:23 +02:00
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typedef system_clock high_resolution_clock;
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2009-02-21 01:45:21 +01:00
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} // namespace chrono
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// @} group chrono
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} // namespace std
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2008-07-16 01:23:23 +02:00
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#endif //_GLIBCXX_USE_C99_STDINT_TR1
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#endif //__GXX_EXPERIMENTAL_CXX0X__
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#endif //_GLIBCXX_CHRONO
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