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chrono: Use typedefs.

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2010-11-02  Benjamin Kosnik  <bkoz@redhat.com>

	* include/std/chrono: Use typedefs.
	* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Adjust
	line numbers.
	* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Same.
	* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Same.
	* testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Same.

From-SVN: r166229
This commit is contained in:
Benjamin Kosnik 2010-11-03 01:59:07 +00:00 committed by Benjamin Kosnik
parent 298cee0100
commit 16684e9c0d
6 changed files with 139 additions and 111 deletions
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9
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,12 @@
2010-11-02 Benjamin Kosnik <bkoz@redhat.com>
* include/std/chrono: Use typedefs.
* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Adjust
line numbers.
* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Same.
* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Same.
* testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Same.
2010-11-02 Paolo Carlini <paolo.carlini@oracle.com>
* include/c_global/cmath (fpclassify, isfinite, isinf, isnan,

232
libstdc++-v3/include/std/chrono
View File

@ -60,7 +60,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
template<typename _Rep, typename _Period = ratio<1>>
struct duration;
template<typename _Clock, typename _Duration = typename _Clock::duration>
template<typename _Clock, typename _Dur = typename _Clock::duration>
struct time_point;
}
@ -69,71 +69,81 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
struct common_type<chrono::duration<_Rep1, _Period1>,
chrono::duration<_Rep2, _Period2>>
{
typedef chrono::duration<typename common_type<_Rep1, _Rep2>::type,
ratio<__static_gcd<_Period1::num, _Period2::num>::value,
(_Period1::den / __static_gcd<_Period1::den, _Period2::den>::value)
* _Period2::den>> type;
private:
typedef __static_gcd<_Period1::num, _Period2::num> __gcd_num;
typedef __static_gcd<_Period1::den, _Period2::den> __gcd_den;
typedef typename common_type<_Rep1, _Rep2>::type __cr;
typedef ratio<__gcd_num::value,
(_Period1::den / __gcd_den::value) * _Period2::den> __r;
public:
typedef chrono::duration<__cr, __r> type;
};
// 20.8.2.3 specialization of common_type (for time_point)
template<typename _Clock, typename _Duration1, typename _Duration2>
struct common_type<chrono::time_point<_Clock, _Duration1>,
chrono::time_point<_Clock, _Duration2>>
template<typename _Clock, typename _Dur1, typename _Dur2>
struct common_type<chrono::time_point<_Clock, _Dur1>,
chrono::time_point<_Clock, _Dur2>>
{
typedef chrono::time_point<_Clock,
typename common_type<_Duration1, _Duration2>::type> type;
private:
typedef typename common_type<_Dur1, _Dur2>::type __ct;
public:
typedef chrono::time_point<_Clock, __ct> type;
};
namespace chrono
{
// Primary template for duration_cast impl.
template<typename _ToDuration, typename _CF, typename _CR,
template<typename _ToDur, typename _CF, typename _CR,
bool _NumIsOne = false, bool _DenIsOne = false>
struct __duration_cast_impl
{
template<typename _Rep, typename _Period>
static constexpr _ToDuration
static constexpr _ToDur
__cast(const duration<_Rep, _Period>& __d)
{
return _ToDuration(static_cast<
typename _ToDuration::rep>(static_cast<_CR>(__d.count())
typedef typename _ToDur::rep __to_rep;
return _ToDur(static_cast<__to_rep>(static_cast<_CR>(__d.count())
* static_cast<_CR>(_CF::num)
/ static_cast<_CR>(_CF::den)));
}
};
template<typename _ToDuration, typename _CF, typename _CR>
struct __duration_cast_impl<_ToDuration, _CF, _CR, true, true>
template<typename _ToDur, typename _CF, typename _CR>
struct __duration_cast_impl<_ToDur, _CF, _CR, true, true>
{
template<typename _Rep, typename _Period>
static constexpr _ToDuration
static constexpr _ToDur
__cast(const duration<_Rep, _Period>& __d)
{
return _ToDuration(
static_cast<typename _ToDuration::rep>(__d.count()));
typedef typename _ToDur::rep __to_rep;
return _ToDur(static_cast<__to_rep>(__d.count()));
}
};
template<typename _ToDuration, typename _CF, typename _CR>
struct __duration_cast_impl<_ToDuration, _CF, _CR, true, false>
template<typename _ToDur, typename _CF, typename _CR>
struct __duration_cast_impl<_ToDur, _CF, _CR, true, false>
{
template<typename _Rep, typename _Period>
static constexpr _ToDuration
static constexpr _ToDur
__cast(const duration<_Rep, _Period>& __d)
{
return _ToDuration(static_cast<typename _ToDuration::rep>(
typedef typename _ToDur::rep __to_rep;
return _ToDur(static_cast<__to_rep>(
static_cast<_CR>(__d.count()) / static_cast<_CR>(_CF::den)));
}
};
template<typename _ToDuration, typename _CF, typename _CR>
struct __duration_cast_impl<_ToDuration, _CF, _CR, false, true>
template<typename _ToDur, typename _CF, typename _CR>
struct __duration_cast_impl<_ToDur, _CF, _CR, false, true>
{
template<typename _Rep, typename _Period>
static constexpr _ToDuration
static constexpr _ToDur
__cast(const duration<_Rep, _Period>& __d)
{
return _ToDuration(static_cast<typename _ToDuration::rep>(
typedef typename _ToDur::rep __to_rep;
return _ToDur(static_cast<__to_rep>(
static_cast<_CR>(__d.count()) * static_cast<_CR>(_CF::num)));
}
};
@ -149,18 +159,20 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
{ };
/// duration_cast
template<typename _ToDuration, typename _Rep, typename _Period>
inline constexpr typename enable_if<__is_duration<_ToDuration>::value,
_ToDuration>::type
template<typename _ToDur, typename _Rep, typename _Period>
inline constexpr typename enable_if<__is_duration<_ToDur>::value,
_ToDur>::type
duration_cast(const duration<_Rep, _Period>& __d)
{
typedef typename
ratio_divide<_Period, typename _ToDuration::period>::type __cf;
typedef typename
common_type<typename _ToDuration::rep, _Rep, intmax_t>::type __cr;
return __duration_cast_impl<_ToDuration, __cf, __cr,
__cf::num == 1, __cf::den == 1>::__cast(__d);
typedef typename _ToDur::period __to_period;
typedef typename _ToDur::rep __to_rep;
typedef ratio_divide<_Period, __to_period> __r_div;
typedef typename __r_div::type __cf;
typedef typename common_type<__to_rep, _Rep, intmax_t>::type
__cr;
typedef __duration_cast_impl<_ToDur, __cf, __cr,
__cf::num == 1, __cf::den == 1> __dc;
return __dc::__cast(__d);
}
/// treat_as_floating_point
@ -200,8 +212,8 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
template<typename _Rep, typename _Period>
struct duration
{
typedef _Rep rep;
typedef _Period period;
typedef _Rep rep;
typedef _Period period;
static_assert(!__is_duration<_Rep>::value, "rep cannot be a duration");
static_assert(__is_ratio<_Period>::value,
@ -336,8 +348,9 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
operator+(const duration<_Rep1, _Period1>& __lhs,
const duration<_Rep2, _Period2>& __rhs)
{
typedef typename common_type<duration<_Rep1, _Period1>,
duration<_Rep2, _Period2>>::type __ct;
typedef duration<_Rep1, _Period1> __dur1;
typedef duration<_Rep2, _Period2> __dur2;
typedef typename common_type<__dur1,__dur2>::type __ct;
return __ct(__lhs) += __rhs;
}
@ -348,8 +361,9 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
operator-(const duration<_Rep1, _Period1>& __lhs,
const duration<_Rep2, _Period2>& __rhs)
{
typedef typename common_type<duration<_Rep1, _Period1>,
duration<_Rep2, _Period2>>::type __ct;
typedef duration<_Rep1, _Period1> __dur1;
typedef duration<_Rep2, _Period2> __dur2;
typedef typename common_type<__dur1,__dur2>::type __ct;
return __ct(__lhs) -= __rhs;
}
@ -366,7 +380,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
inline duration<typename __common_rep_type<_Rep1, _Rep2>::type, _Period>
operator*(const duration<_Rep1, _Period>& __d, const _Rep2& __s)
{
typedef typename common_type<_Rep1, _Rep2>::type __cr;
typedef typename common_type<_Rep1, _Rep2>::type __cr;
return duration<__cr, _Period>(__d) *= __s;
}
@ -380,7 +394,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
enable_if<!__is_duration<_Rep2>::value, _Rep2>::type>::type, _Period>
operator/(const duration<_Rep1, _Period>& __d, const _Rep2& __s)
{
typedef typename common_type<_Rep1, _Rep2>::type __cr;
typedef typename common_type<_Rep1, _Rep2>::type __cr;
return duration<__cr, _Period>(__d) /= __s;
}
@ -390,8 +404,9 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
operator/(const duration<_Rep1, _Period1>& __lhs,
const duration<_Rep2, _Period2>& __rhs)
{
typedef typename common_type<duration<_Rep1, _Period1>,
duration<_Rep2, _Period2>>::type __ct;
typedef duration<_Rep1, _Period1> __dur1;
typedef duration<_Rep2, _Period2> __dur2;
typedef typename common_type<__dur1,__dur2>::type __ct;
return __ct(__lhs).count() / __ct(__rhs).count();
}
@ -401,7 +416,7 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
enable_if<!__is_duration<_Rep2>::value, _Rep2>::type>::type, _Period>
operator%(const duration<_Rep1, _Period>& __d, const _Rep2& __s)
{
typedef typename common_type<_Rep1, _Rep2>::type __cr;
typedef typename common_type<_Rep1, _Rep2>::type __cr;
return duration<__cr, _Period>(__d) %= __s;
}
@ -412,8 +427,9 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
operator%(const duration<_Rep1, _Period1>& __lhs,
const duration<_Rep2, _Period2>& __rhs)
{
typedef typename common_type<duration<_Rep1, _Period1>,
duration<_Rep2, _Period2>>::type __ct;
typedef duration<_Rep1, _Period1> __dur1;
typedef duration<_Rep2, _Period2> __dur2;
typedef typename common_type<__dur1,__dur2>::type __ct;
return __ct(__lhs) %= __rhs;
}
@ -424,8 +440,9 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
operator==(const duration<_Rep1, _Period1>& __lhs,
const duration<_Rep2, _Period2>& __rhs)
{
typedef typename common_type<duration<_Rep1, _Period1>,
duration<_Rep2, _Period2>>::type __ct;
typedef duration<_Rep1, _Period1> __dur1;
typedef duration<_Rep2, _Period2> __dur2;
typedef typename common_type<__dur1,__dur2>::type __ct;
return __ct(__lhs).count() == __ct(__rhs).count();
}
@ -435,8 +452,9 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
operator<(const duration<_Rep1, _Period1>& __lhs,
const duration<_Rep2, _Period2>& __rhs)
{
typedef typename common_type<duration<_Rep1, _Period1>,
duration<_Rep2, _Period2>>::type __ct;
typedef duration<_Rep1, _Period1> __dur1;
typedef duration<_Rep2, _Period2> __dur2;
typedef typename common_type<__dur1,__dur2>::type __ct;
return __ct(__lhs).count() < __ct(__rhs).count();
}
@ -487,13 +505,13 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
typedef duration<int, ratio<3600>> hours;
/// time_point
template<typename _Clock, typename _Duration>
template<typename _Clock, typename _Dur>
struct time_point
{
typedef _Clock clock;
typedef _Duration duration;
typedef typename duration::rep rep;
typedef typename duration::period period;
typedef _Clock clock;
typedef _Dur duration;
typedef typename duration::rep rep;
typedef typename duration::period period;
constexpr time_point() : __d(duration::zero())
{ }
@ -503,8 +521,8 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
{ }
// conversions
template<typename _Duration2>
constexpr time_point(const time_point<clock, _Duration2>& __t)
template<typename _Dur2>
constexpr time_point(const time_point<clock, _Dur2>& __t)
: __d(__t.time_since_epoch())
{ }
@ -542,84 +560,84 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
};
/// time_point_cast
template<typename _ToDuration, typename _Clock, typename _Duration>
inline constexpr typename enable_if<__is_duration<_ToDuration>::value,
time_point<_Clock, _ToDuration>>::type
time_point_cast(const time_point<_Clock, _Duration>& __t)
template<typename _ToDur, typename _Clock, typename _Dur>
inline constexpr typename enable_if<__is_duration<_ToDur>::value,
time_point<_Clock, _ToDur>>::type
time_point_cast(const time_point<_Clock, _Dur>& __t)
{
return time_point<_Clock, _ToDuration>(
duration_cast<_ToDuration>(__t.time_since_epoch()));
typedef time_point<_Clock, _ToDur> __time_point;
return __time_point(duration_cast<_ToDur>(__t.time_since_epoch()));
}
template<typename _Clock, typename _Duration1,
template<typename _Clock, typename _Dur1,
typename _Rep2, typename _Period2>
inline time_point<_Clock,
typename common_type<_Duration1, duration<_Rep2, _Period2>>::type>
operator+(const time_point<_Clock, _Duration1>& __lhs,
typename common_type<_Dur1, duration<_Rep2, _Period2>>::type>
operator+(const time_point<_Clock, _Dur1>& __lhs,
const duration<_Rep2, _Period2>& __rhs)
{
typedef time_point<_Clock,
typename common_type<_Duration1,
duration<_Rep2, _Period2>>::type> __ct;
return __ct(__lhs) += __rhs;
typedef duration<_Rep2, _Period2> __dur2;
typedef typename common_type<_Dur1,__dur2>::type __ct;
typedef time_point<_Clock, __ct> __time_point;
return __time_point(__lhs) += __rhs;
}
template<typename _Rep1, typename _Period1,
typename _Clock, typename _Duration2>
typename _Clock, typename _Dur2>
inline time_point<_Clock,
typename common_type<duration<_Rep1, _Period1>, _Duration2>::type>
typename common_type<duration<_Rep1, _Period1>, _Dur2>::type>
operator+(const duration<_Rep1, _Period1>& __lhs,
const time_point<_Clock, _Duration2>& __rhs)
const time_point<_Clock, _Dur2>& __rhs)
{ return __rhs + __lhs; }
template<typename _Clock, typename _Duration1,
template<typename _Clock, typename _Dur1,
typename _Rep2, typename _Period2>
inline time_point<_Clock,
typename common_type<_Duration1, duration<_Rep2, _Period2>>::type>
operator-(const time_point<_Clock, _Duration1>& __lhs,
typename common_type<_Dur1, duration<_Rep2, _Period2>>::type>
operator-(const time_point<_Clock, _Dur1>& __lhs,
const duration<_Rep2, _Period2>& __rhs)
{ return __lhs + (-__rhs); }
template<typename _Clock, typename _Duration1, typename _Duration2>
inline typename common_type<_Duration1, _Duration2>::type
operator-(const time_point<_Clock, _Duration1>& __lhs,
const time_point<_Clock, _Duration2>& __rhs)
template<typename _Clock, typename _Dur1, typename _Dur2>
inline typename common_type<_Dur1, _Dur2>::type
operator-(const time_point<_Clock, _Dur1>& __lhs,
const time_point<_Clock, _Dur2>& __rhs)
{ return __lhs.time_since_epoch() - __rhs.time_since_epoch(); }
template<typename _Clock, typename _Duration1, typename _Duration2>
template<typename _Clock, typename _Dur1, typename _Dur2>
inline constexpr bool
operator==(const time_point<_Clock, _Duration1>& __lhs,
const time_point<_Clock, _Duration2>& __rhs)
operator==(const time_point<_Clock, _Dur1>& __lhs,
const time_point<_Clock, _Dur2>& __rhs)
{ return __lhs.time_since_epoch() == __rhs.time_since_epoch(); }
template<typename _Clock, typename _Duration1, typename _Duration2>
template<typename _Clock, typename _Dur1, typename _Dur2>
inline constexpr bool
operator!=(const time_point<_Clock, _Duration1>& __lhs,
const time_point<_Clock, _Duration2>& __rhs)
operator!=(const time_point<_Clock, _Dur1>& __lhs,
const time_point<_Clock, _Dur2>& __rhs)
{ return !(__lhs == __rhs); }
template<typename _Clock, typename _Duration1, typename _Duration2>
template<typename _Clock, typename _Dur1, typename _Dur2>
inline constexpr bool
operator<(const time_point<_Clock, _Duration1>& __lhs,
const time_point<_Clock, _Duration2>& __rhs)
operator<(const time_point<_Clock, _Dur1>& __lhs,
const time_point<_Clock, _Dur2>& __rhs)
{ return __lhs.time_since_epoch() < __rhs.time_since_epoch(); }
template<typename _Clock, typename _Duration1, typename _Duration2>
template<typename _Clock, typename _Dur1, typename _Dur2>
inline constexpr bool
operator<=(const time_point<_Clock, _Duration1>& __lhs,
const time_point<_Clock, _Duration2>& __rhs)
operator<=(const time_point<_Clock, _Dur1>& __lhs,
const time_point<_Clock, _Dur2>& __rhs)
{ return !(__rhs < __lhs); }
template<typename _Clock, typename _Duration1, typename _Duration2>
template<typename _Clock, typename _Dur1, typename _Dur2>
inline constexpr bool
operator>(const time_point<_Clock, _Duration1>& __lhs,
const time_point<_Clock, _Duration2>& __rhs)
operator>(const time_point<_Clock, _Dur1>& __lhs,
const time_point<_Clock, _Dur2>& __rhs)
{ return __rhs < __lhs; }
template<typename _Clock, typename _Duration1, typename _Duration2>
template<typename _Clock, typename _Dur1, typename _Dur2>
inline constexpr bool
operator>=(const time_point<_Clock, _Duration1>& __lhs,
const time_point<_Clock, _Duration2>& __rhs)
operator>=(const time_point<_Clock, _Dur1>& __lhs,
const time_point<_Clock, _Dur2>& __rhs)
{ return !(__lhs < __rhs); }
/// system_clock
@ -650,16 +668,16 @@ _GLIBCXX_BEGIN_NAMESPACE(std)
static std::time_t
to_time_t(const time_point& __t)
{
return std::time_t(
duration_cast<chrono::seconds>(__t.time_since_epoch()).count());
return std::time_t(duration_cast<chrono::seconds>
(__t.time_since_epoch()).count());
}
static time_point
from_time_t(std::time_t __t)
{
return time_point_cast<system_clock::duration>(
chrono::time_point<system_clock, chrono::seconds>(
chrono::seconds(__t)));
typedef chrono::time_point<system_clock, seconds> __from;
return time_point_cast<system_clock::duration>
(__from(chrono::seconds(__t)));
}
};

2
libstdc++-v3/testsuite/20_util/duration/requirements/typedefs_neg1.cc
View File

@ -31,5 +31,5 @@ void test01()
test_type d;
}
// { dg-error "rep cannot be a duration" "" { target *-*-* } 206 }
// { dg-error "rep cannot be a duration" "" { target *-*-* } 218 }
// { dg-error "instantiated from here" "" { target *-*-* } 31 }

2
libstdc++-v3/testsuite/20_util/duration/requirements/typedefs_neg2.cc
View File

@ -32,6 +32,6 @@ void test01()
test_type d;
}
// { dg-error "must be a specialization of ratio" "" { target *-*-* } 207 }
// { dg-error "must be a specialization of ratio" "" { target *-*-* } 219 }
// { dg-error "instantiated from here" "" { target *-*-* } 32 }
// { dg-excess-errors "In instantiation of" }

2
libstdc++-v3/testsuite/20_util/duration/requirements/typedefs_neg3.cc
View File

@ -33,5 +33,5 @@ void test01()
test_type d;
}
// { dg-error "period must be positive" "" { target *-*-* } 209 }
// { dg-error "period must be positive" "" { target *-*-* } 221 }
// { dg-error "instantiated from here" "" { target *-*-* } 33 }

3
libstdc++-v3/testsuite/20_util/ratio/cons/cons_overflow_neg.cc
View File

@ -51,6 +51,7 @@ test04()
// { dg-error "instantiated from here" "" { target *-*-* } 46 }
// { dg-error "denominator cannot be zero" "" { target *-*-* } 153 }
// { dg-error "out of range" "" { target *-*-* } 154 }
// { dg-error "constant expression" "" { target *-*-* } 59 }
// { dg-error "non-constant expression" "" { target *-*-* } 59 }
// { dg-error "is not a constant expression" "" { target *-*-* } 59 }
// { dg-error "not a member" "" { target *-*-* } 162 }
// { dg-error "not a valid template argument" "" { target *-*-* } 164 }