chrono (duration<>::operator%=, operator%): Add, per DR 934.
2009-07-21 Paolo Carlini <paolo.carlini@oracle.com> * include/std/chrono (duration<>::operator%=, operator%): Add, per DR 934. * testsuite/20_util/duration/arithmetic/dr934-1.cc: New. * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise. * include/std/chrono (operator/): Simplify implementation. From-SVN: r149856
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@ -1,3 +1,12 @@
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2009-07-21 Paolo Carlini <paolo.carlini@oracle.com>
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* include/std/chrono (duration<>::operator%=, operator%):
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Add, per DR 934.
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* testsuite/20_util/duration/arithmetic/dr934-1.cc: New.
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* testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
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* include/std/chrono (operator/): Simplify implementation.
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2009-07-20 Benjamin Kosnik <bkoz@redhat.com>
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* doc/xml/manual/intro.xml: Escape '&', validate.
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@ -211,7 +211,7 @@ namespace std
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duration() = default;
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template<typename _Rep2>
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explicit duration(_Rep2 const& __rep)
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explicit duration(const _Rep2& __rep)
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: __r(static_cast<rep>(__rep))
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{
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static_assert(is_convertible<_Rep2,rep>::value
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@ -297,6 +297,25 @@ namespace std
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return *this;
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}
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// DR 934.
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template<typename _Rep2 = rep>
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typename enable_if<!treat_as_floating_point<_Rep2>::value,
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duration&>::type
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operator%=(const rep& __rhs)
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{
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__r %= __rhs;
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return *this;
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}
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template<typename _Rep2 = rep>
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typename enable_if<!treat_as_floating_point<_Rep2>::value,
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duration&>::type
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operator%=(const duration& __d)
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{
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__r %= __d.count();
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return *this;
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}
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// 20.8.3.4 special values
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// TODO: These should be constexprs.
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static const duration
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@ -352,43 +371,46 @@ namespace std
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operator*(const _Rep2& __s, const duration<_Rep1, _Period>& __d)
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{ return __d * __s; }
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template<typename _Tp, typename _Up, typename _Ep = void>
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struct __division_impl;
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template<typename _Rep1, typename _Period, typename _Rep2>
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struct __division_impl<duration<_Rep1, _Period>, _Rep2,
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typename enable_if<!__is_duration<_Rep2>::value>::type>
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inline duration<typename common_type<_Rep1, typename
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enable_if<!__is_duration<_Rep2>::value, _Rep2>::type>::type, _Period>
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operator/(const duration<_Rep1, _Period>& __d, const _Rep2& __s)
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{
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typedef typename common_type<_Rep1, _Rep2>::type __cr;
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typedef
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duration<typename common_type<_Rep1, _Rep2>::type, _Period> __rt;
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static __rt
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__divide(const duration<_Rep1, _Period>& __d, const _Rep2& __s)
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{ return duration<__cr, _Period>(__d) /= __s; }
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};
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return duration<__cr, _Period>(__d) /= __s;
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}
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template<typename _Rep1, typename _Period1,
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typename _Rep2, typename _Period2>
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struct __division_impl<duration<_Rep1, _Period1>,
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duration<_Rep2, _Period2>>
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inline typename common_type<_Rep1, _Rep2>::type
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operator/(const duration<_Rep1, _Period1>& __lhs,
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const duration<_Rep2, _Period2>& __rhs)
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{
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typedef typename common_type<duration<_Rep1, _Period1>,
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duration<_Rep2, _Period2>>::type __ct;
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typedef typename common_type<_Rep1, _Rep2>::type __rt;
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return __ct(__lhs).count() / __ct(__rhs).count();
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}
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static __rt
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__divide(const duration<_Rep1, _Period1>& __lhs,
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const duration<_Rep2, _Period2>& __rhs)
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{ return __ct(__lhs).count() / __ct(__rhs).count(); }
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};
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template<typename _Rep, typename _Period, typename _Up>
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inline typename __division_impl<duration<_Rep, _Period>, _Up>::__rt
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operator/(const duration<_Rep, _Period>& __d, const _Up& __u)
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// DR 934.
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template<typename _Rep1, typename _Period, typename _Rep2>
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inline duration<typename common_type<_Rep1, typename
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enable_if<!__is_duration<_Rep2>::value, _Rep2>::type>::type, _Period>
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operator%(const duration<_Rep1, _Period>& __d, const _Rep2& __s)
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{
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return
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__division_impl<duration<_Rep, _Period>, _Up>::__divide(__d, __u);
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typedef typename common_type<_Rep1, _Rep2>::type __cr;
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return duration<__cr, _Period>(__d) %= __s;
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}
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template<typename _Rep1, typename _Period1,
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typename _Rep2, typename _Period2>
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inline typename common_type<duration<_Rep1, _Period1>,
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duration<_Rep2, _Period2>>::type
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operator%(const duration<_Rep1, _Period1>& __lhs,
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const duration<_Rep2, _Period2>& __rhs)
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{
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typedef typename common_type<duration<_Rep1, _Period1>,
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duration<_Rep2, _Period2>>::type __ct;
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return __ct(__lhs) %= __rhs;
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}
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// comparisons
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@ -0,0 +1,48 @@
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// { dg-do compile }
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// { dg-options "-std=gnu++0x" }
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// { dg-require-cstdint "" }
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// Copyright (C) 2009 Free Software Foundation
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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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// Free Software Foundation; either version 3, or (at your option)
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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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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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#include <chrono>
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class ClockTime
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{
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typedef std::chrono::hours hours;
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typedef std::chrono::minutes minutes;
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typedef std::chrono::seconds seconds;
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public:
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hours hours_;
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minutes minutes_;
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seconds seconds_;
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template<typename Rep, typename Period>
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explicit
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ClockTime(const std::chrono::duration<Rep, Period>& d)
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: hours_ (std::chrono::duration_cast<hours> (d)),
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minutes_(std::chrono::duration_cast<minutes>(d % hours(1))),
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seconds_(std::chrono::duration_cast<seconds>(d % minutes(1))) { }
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};
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// DR 934.
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void test01()
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{
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std::chrono::duration<int> d;
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ClockTime ct(d);
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}
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@ -0,0 +1,54 @@
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// { dg-options "-std=gnu++0x" }
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// { dg-require-cstdint "" }
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// Copyright (C) 2009 Free Software Foundation
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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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// Free Software Foundation; either version 3, or (at your option)
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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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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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#include <chrono>
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#include <testsuite_hooks.h>
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// DR 934.
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void
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test01()
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{
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bool test __attribute__((unused)) = true;
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using namespace std::chrono;
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const duration<int> d0(17);
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duration<int> d3(d0);
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d3 %= 5;
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VERIFY( d3.count() == 2 );
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const duration<int> d4(7);
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duration<int> d5(d0);
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d5 %= d4;
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VERIFY( d5.count() == 3 );
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const duration<int> d6 = d0 % 6;
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VERIFY( d6.count() == 5 );
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const duration<int> d7(11);
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const duration<int> d8 = d0 % d7;
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VERIFY( d8.count() == 6 );
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}
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int
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main()
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{
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test01();
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return 0;
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}
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