libstdc++
Namespaces | Classes | Macros | Typedefs | Functions | Variables
Time
Utilities
Collaboration diagram for Time:

Namespaces

namespace  std::chrono
 
namespace  std::literals::chrono_literals
 

Classes

struct  std::common_type< chrono::duration< _Rep, _Period > >
 
struct  std::common_type< chrono::duration< _Rep, _Period >, chrono::duration< _Rep, _Period > >
 
struct  std::common_type< chrono::duration< _Rep1, _Period1 >, chrono::duration< _Rep2, _Period2 > >
 
struct  std::common_type< chrono::time_point< _Clock, _Duration > >
 
struct  std::common_type< chrono::time_point< _Clock, _Duration >, chrono::time_point< _Clock, _Duration > >
 
struct  std::common_type< chrono::time_point< _Clock, _Duration1 >, chrono::time_point< _Clock, _Duration2 > >
 
struct  std::chrono::duration< _Rep, _Period >
 
struct  std::chrono::duration_values< _Rep >
 
struct  std::chrono::_V2::steady_clock
 
struct  std::chrono::_V2::system_clock
 
struct  std::chrono::time_point< _Clock, _Dur >
 
struct  std::chrono::treat_as_floating_point< _Rep >
 

Macros

#define __cpp_lib_chrono
 
#define _GLIBCXX_CHRONO_INT64_T
 

Typedefs

using std::chrono::high_resolution_clock = system_clock
 
using std::chrono::hours = duration< int64_t, ratio< 3600 > >
 
using std::chrono::microseconds = duration< int64_t, micro >
 
using std::chrono::milliseconds = duration< int64_t, milli >
 
using std::chrono::minutes = duration< int64_t, ratio< 60 > >
 
using std::chrono::nanoseconds = duration< int64_t, nano >
 
using std::chrono::seconds = duration< int64_t >
 

Functions

template<typename _Rep , typename _Period >
constexpr enable_if_t< numeric_limits< _Rep >::is_signed, duration< _Rep, _Period > > std::chrono::abs (duration< _Rep, _Period > __d)
 
template<typename _ToDur , typename _Rep , typename _Period >
constexpr __enable_if_is_duration< _ToDur > std::chrono::ceil (const duration< _Rep, _Period > &__d)
 
template<typename _ToDur , typename _Clock , typename _Dur >
constexpr enable_if_t< __is_duration< _ToDur >::value, time_point< _Clock, _ToDur > > std::chrono::ceil (const time_point< _Clock, _Dur > &__tp)
 
template<typename _ToDur , typename _Rep , typename _Period >
constexpr __enable_if_is_duration< _ToDur > std::chrono::duration_cast (const duration< _Rep, _Period > &__d)
 
template<typename _ToDur , typename _Rep , typename _Period >
constexpr __enable_if_is_duration< _ToDur > std::chrono::floor (const duration< _Rep, _Period > &__d)
 
template<typename _ToDur , typename _Clock , typename _Dur >
constexpr enable_if_t< __is_duration< _ToDur >::value, time_point< _Clock, _ToDur > > std::chrono::floor (const time_point< _Clock, _Dur > &__tp)
 
template<typename _ToDur , typename _Rep , typename _Period >
constexpr enable_if_t< __and_< __is_duration< _ToDur >, __not_< treat_as_floating_point< typename _ToDur::rep > > >::value, _ToDur > std::chrono::round (const duration< _Rep, _Period > &__d)
 
template<typename _ToDur , typename _Clock , typename _Dur >
constexpr enable_if_t< __and_< __is_duration< _ToDur >, __not_< treat_as_floating_point< typename _ToDur::rep > > >::value, time_point< _Clock, _ToDur > > std::chrono::round (const time_point< _Clock, _Dur > &__tp)
 
template<typename _ToDur , typename _Clock , typename _Dur >
constexpr enable_if< __is_duration< _ToDur >::value, time_point< _Clock, _ToDur > >::type std::chrono::time_point_cast (const time_point< _Clock, _Dur > &__t)
 

Variables

template<typename _Rep >
constexpr bool std::chrono::treat_as_floating_point_v
 
template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 >
constexpr common_type< duration< _Rep1, _Period1 >, duration< _Rep2, _Period2 > >::type operator+ (const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__rhs)
 
template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 >
constexpr common_type< duration< _Rep1, _Period1 >, duration< _Rep2, _Period2 > >::type operator- (const duration< _Rep1, _Period1 > &__lhs, const duration< _Rep2, _Period2 > &__rhs)
 
template<typename _Rep1 , typename _Period , typename _Rep2 >
constexpr duration< __common_rep_t< _Rep1, _Rep2 >, _Period > operator* (const duration< _Rep1, _Period > &__d, const _Rep2 &__s)
 
template<typename _Rep1 , typename _Rep2 , typename _Period >
constexpr duration< __common_rep_t< _Rep2, _Rep1 >, _Period > operator* (const _Rep1 &__s, const duration< _Rep2, _Period > &__d)
 
template<typename _Clock , typename _Dur1 , typename _Rep2 , typename _Period2 >
constexpr time_point< _Clock, typename common_type< _Dur1, duration< _Rep2, _Period2 > >::type > operator+ (const time_point< _Clock, _Dur1 > &__lhs, const duration< _Rep2, _Period2 > &__rhs)
 
template<typename _Rep1 , typename _Period1 , typename _Clock , typename _Dur2 >
constexpr time_point< _Clock, typename common_type< duration< _Rep1, _Period1 >, _Dur2 >::type > operator+ (const duration< _Rep1, _Period1 > &__lhs, const time_point< _Clock, _Dur2 > &__rhs)
 
template<typename _Clock , typename _Dur1 , typename _Rep2 , typename _Period2 >
constexpr time_point< _Clock, typename common_type< _Dur1, duration< _Rep2, _Period2 > >::type > operator- (const time_point< _Clock, _Dur1 > &__lhs, const duration< _Rep2, _Period2 > &__rhs)
 
template<typename _Clock , typename _Dur1 , typename _Dur2 >
constexpr common_type< _Dur1, _Dur2 >::type operator- (const time_point< _Clock, _Dur1 > &__lhs, const time_point< _Clock, _Dur2 > &__rhs)
 

Detailed Description

Classes and functions for time.

Typedef Documentation

◆ high_resolution_clock

using std::chrono::_V2::high_resolution_clock = typedef system_clock

Highest-resolution clock.

This is the clock "with the shortest tick period." Alias to std::system_clock until higher-than-nanosecond definitions become feasible.

Definition at line 1163 of file std/chrono.

◆ hours

using std::chrono::hours = typedef duration< int64_t , ratio<3600> >

hours

Definition at line 831 of file std/chrono.

◆ microseconds

using std::chrono::microseconds = typedef duration< int64_t , micro>

microseconds

Definition at line 819 of file std/chrono.

◆ milliseconds

using std::chrono::milliseconds = typedef duration< int64_t , milli>

milliseconds

Definition at line 822 of file std/chrono.

◆ minutes

using std::chrono::minutes = typedef duration< int64_t , ratio< 60> >

minutes

Definition at line 828 of file std/chrono.

◆ nanoseconds

using std::chrono::nanoseconds = typedef duration< int64_t , nano>

nanoseconds

Definition at line 816 of file std/chrono.

◆ seconds

using std::chrono::seconds = typedef duration< int64_t >

seconds

Definition at line 825 of file std/chrono.

Function Documentation

◆ duration_cast()

template<typename _ToDur , typename _Rep , typename _Period >
constexpr __enable_if_is_duration<_ToDur> std::chrono::duration_cast ( const duration< _Rep, _Period > &  __d)
constexpr

duration_cast

Definition at line 254 of file std/chrono.

◆ operator*() [1/2]

template<typename _Rep1 , typename _Rep2 , typename _Period >
constexpr duration< __common_rep_t< _Rep2, _Rep1 >, _Period > operator* ( const _Rep1 &  __s,
const duration< _Rep2, _Period > &  __d 
)
related

Multiply a duration by a scalar value.

Definition at line 686 of file std/chrono.

◆ operator*() [2/2]

template<typename _Rep1 , typename _Period , typename _Rep2 >
constexpr duration< __common_rep_t< _Rep1, _Rep2 >, _Period > operator* ( const duration< _Rep1, _Period > &  __d,
const _Rep2 &  __s 
)
related

Multiply a duration by a scalar value.

Definition at line 676 of file std/chrono.

◆ operator+() [1/3]

template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 >
constexpr common_type< duration< _Rep1, _Period1 >, duration< _Rep2, _Period2 > >::type operator+ ( const duration< _Rep1, _Period1 > &  __lhs,
const duration< _Rep2, _Period2 > &  __rhs 
)
related

The sum of two durations.

Definition at line 633 of file std/chrono.

◆ operator+() [2/3]

template<typename _Rep1 , typename _Period1 , typename _Clock , typename _Dur2 >
constexpr time_point< _Clock, typename common_type< duration< _Rep1, _Period1 >, _Dur2 >::type > operator+ ( const duration< _Rep1, _Period1 > &  __lhs,
const time_point< _Clock, _Dur2 > &  __rhs 
)
related

Adjust a time point forwards by the given duration.

Definition at line 994 of file std/chrono.

◆ operator+() [3/3]

template<typename _Clock , typename _Dur1 , typename _Rep2 , typename _Period2 >
constexpr time_point< _Clock, typename common_type< _Dur1, duration< _Rep2, _Period2 > >::type > operator+ ( const time_point< _Clock, _Dur1 > &  __lhs,
const duration< _Rep2, _Period2 > &  __rhs 
)
related

Adjust a time point forwards by the given duration.

Definition at line 980 of file std/chrono.

◆ operator-() [1/3]

template<typename _Rep1 , typename _Period1 , typename _Rep2 , typename _Period2 >
constexpr common_type< duration< _Rep1, _Period1 >, duration< _Rep2, _Period2 > >::type operator- ( const duration< _Rep1, _Period1 > &  __lhs,
const duration< _Rep2, _Period2 > &  __rhs 
)
related

The difference between two durations.

Definition at line 647 of file std/chrono.

◆ operator-() [2/3]

template<typename _Clock , typename _Dur1 , typename _Rep2 , typename _Period2 >
constexpr time_point< _Clock, typename common_type< _Dur1, duration< _Rep2, _Period2 > >::type > operator- ( const time_point< _Clock, _Dur1 > &  __lhs,
const duration< _Rep2, _Period2 > &  __rhs 
)
related

Adjust a time point backwards by the given duration.

Definition at line 1008 of file std/chrono.

◆ operator-() [3/3]

template<typename _Clock , typename _Dur1 , typename _Dur2 >
constexpr common_type< _Dur1, _Dur2 >::type operator- ( const time_point< _Clock, _Dur1 > &  __lhs,
const time_point< _Clock, _Dur2 > &  __rhs 
)
related

The difference between two time points (as a duration)

Definition at line 1024 of file std/chrono.

◆ time_point_cast()

template<typename _ToDur , typename _Clock , typename _Dur >
constexpr enable_if<__is_duration<_ToDur>::value, time_point<_Clock, _ToDur> >::type std::chrono::time_point_cast ( const time_point< _Clock, _Dur > &  __t)
constexpr

time_point_cast

Definition at line 936 of file std/chrono.