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duration.h
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/******************************************************************************
The MIT License(MIT)
Embedded Template Library.
https://github.com/ETLCPP/etl
https://www.etlcpp.com
Copyright(c) 2023 John Wellbelove
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files(the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions :
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
******************************************************************************/
#ifndef ETL_IN_CHRONO_H
#error DO NOT DIRECTLY INCLUDE THIS FILE. USE CHRONO.H
#endif
#include "../../limits.h"
#include "../../ratio.h"
#include "../../static_assert.h"
#include "../../type_traits.h"
#include <string.h>
namespace etl
{
namespace chrono
{
namespace private_chrono
{
// Helper to find the greatest common divisor
template <intmax_t Value1, intmax_t Value2>
struct gcd
{
static ETL_CONSTANT intmax_t value = gcd<Value2, Value1 % Value2>::value;
};
template <intmax_t Value1>
struct gcd<Value1, 0>
{
static ETL_CONSTANT intmax_t value = Value1;
};
// Helper to find the least common multiple
template <intmax_t Value1, intmax_t Value2>
struct lcm
{
static ETL_CONSTANT intmax_t value = (Value1 / gcd<Value1, Value2>::value) * Value2;
};
} // namespace private_chrono
//***********************************************************************
//***********************************************************************
template <typename TRep>
struct duration_values
{
//***********************************************************************
ETL_NODISCARD
static ETL_CONSTEXPR TRep zero() ETL_NOEXCEPT
{
return TRep(0);
}
//***********************************************************************
ETL_NODISCARD
static ETL_CONSTEXPR14 TRep min() ETL_NOEXCEPT
{
return etl::numeric_limits<TRep>::min();
}
//***********************************************************************
ETL_NODISCARD
static ETL_CONSTEXPR14 TRep max() ETL_NOEXCEPT
{
return etl::numeric_limits<TRep>::max();
}
};
template <typename TRep, typename TPeriod>
class duration;
template <typename TToDuration, typename TRep, typename TPeriod>
ETL_CONSTEXPR14 TToDuration duration_cast(const etl::chrono::duration<TRep, TPeriod>& d) ETL_NOEXCEPT;
//***********************************************************************
//***********************************************************************
template <typename TRep, typename TPeriod = etl::ratio<1> >
class duration
{
public:
using rep = TRep;
using period = typename TPeriod::type;
//***********************************************************************
ETL_CONSTEXPR duration() ETL_NOEXCEPT
: value(0)
{
}
//***********************************************************************
ETL_CONSTEXPR14 duration(const etl::chrono::duration<TRep, TPeriod>& other) ETL_NOEXCEPT
: value(other.value)
{
}
//***********************************************************************
template <typename TRep2>
ETL_CONSTEXPR14 explicit duration(const TRep2& value_) ETL_NOEXCEPT
: value(static_cast<TRep>(value_))
{
}
//***********************************************************************
template < typename TRep2, typename TPeriod2, typename etl::enable_if<etl::ratio_divide<TPeriod2, TPeriod>::den == 1, int>::type = 0>
ETL_CONSTEXPR14 duration(const etl::chrono::duration<TRep2, TPeriod2>& other) ETL_NOEXCEPT
: value(etl::chrono::duration_cast<etl::chrono::duration<TRep, TPeriod> >(other).count())
{
ETL_STATIC_ASSERT(!(etl::is_integral<TRep>::value && etl::is_floating_point<TRep2>::value),
"Cannot convert duration from floating point to integral");
}
//***********************************************************************
ETL_CONSTEXPR14 etl::chrono::duration<TRep, TPeriod> operator=(const etl::chrono::duration<TRep, TPeriod>& other) ETL_NOEXCEPT
{
value = other.count();
return *this;
}
//***********************************************************************
template <typename TRep2, typename TPeriod2>
ETL_CONSTEXPR14 etl::chrono::duration<TRep, TPeriod> operator=(const etl::chrono::duration<TRep2, TPeriod2>& other) ETL_NOEXCEPT
{
value = etl::chrono::duration_cast<etl::chrono::duration<TRep, TPeriod> >(other).count();
return *this;
}
//***********************************************************************
ETL_CONSTEXPR14 TRep count() const ETL_NOEXCEPT
{
return value;
}
//***********************************************************************
ETL_CONSTEXPR14 etl::common_type_t<duration> operator+() const ETL_NOEXCEPT
{
return etl::common_type_t<duration>(*this);
}
//***********************************************************************
ETL_CONSTEXPR14 etl::common_type_t<duration> operator-() const ETL_NOEXCEPT
{
return etl::common_type_t<duration>(-value);
}
//***********************************************************************
ETL_NODISCARD
static ETL_CONSTEXPR14 etl::chrono::duration<TRep, TPeriod> zero() ETL_NOEXCEPT
{
return etl::chrono::duration<TRep, TPeriod>(etl::chrono::duration_values<TRep>::zero());
}
//***********************************************************************
ETL_NODISCARD
static ETL_CONSTEXPR14 etl::chrono::duration<TRep, TPeriod> min() ETL_NOEXCEPT
{
return etl::chrono::duration<TRep, TPeriod>(etl::chrono::duration_values<TRep>::min());
}
//***********************************************************************
ETL_NODISCARD
static ETL_CONSTEXPR14 etl::chrono::duration<TRep, TPeriod> max() ETL_NOEXCEPT
{
return etl::chrono::duration<TRep, TPeriod>(etl::chrono::duration_values<TRep>::max());
}
//***********************************************************************
ETL_NODISCARD ETL_CONSTEXPR14 etl::chrono::duration<TRep, TPeriod> absolute() const ETL_NOEXCEPT
{
return etl::chrono::duration<TRep, TPeriod>(value < 0 ? -value : value);
}
//***********************************************************************
ETL_CONSTEXPR14 duration& operator++() ETL_NOEXCEPT
{
++value;
return *this;
}
//***********************************************************************
ETL_CONSTEXPR14 duration operator++(int) ETL_NOEXCEPT
{
duration temp(*this);
++value;
return temp;
}
//***********************************************************************
ETL_CONSTEXPR14 duration& operator--() ETL_NOEXCEPT
{
--value;
return *this;
}
//***********************************************************************
ETL_CONSTEXPR14 duration operator--(int) ETL_NOEXCEPT
{
duration temp(*this);
--value;
return temp;
}
//***********************************************************************
ETL_CONSTEXPR14 duration& operator+=(const duration<TRep, TPeriod>& d) ETL_NOEXCEPT
{
value += d.count();
return *this;
}
//***********************************************************************
ETL_CONSTEXPR14 duration& operator-=(const duration<TRep, TPeriod>& d) ETL_NOEXCEPT
{
value -= d.count();
return *this;
}
//***********************************************************************
ETL_CONSTEXPR14 duration& operator*=(const TRep& r) ETL_NOEXCEPT
{
value *= r;
return *this;
}
//***********************************************************************
ETL_CONSTEXPR14 duration& operator/=(const TRep& r) ETL_NOEXCEPT
{
value /= r;
return *this;
}
//***********************************************************************
ETL_CONSTEXPR14 duration& operator%=(const TRep& r) ETL_NOEXCEPT
{
value %= r;
return *this;
}
//***********************************************************************
ETL_CONSTEXPR14 duration& operator%=(const duration<TRep, TPeriod>& d) ETL_NOEXCEPT
{
value %= d.count();
return *this;
}
//***********************************************************************
//***********************************************************************
template <typename TRep2, typename TPeriod2>
ETL_CONSTEXPR14 int compare(const duration<TRep2, TPeriod2>& other) const ETL_NOEXCEPT
{
// Determine the common type of the two durations.
using common_duration = typename etl::common_type< etl::chrono::duration<TRep, TPeriod>, etl::chrono::duration<TRep2, TPeriod2>>::type;
common_duration lhs_converted = etl::chrono::duration_cast<common_duration>(*this);
common_duration rhs_converted = etl::chrono::duration_cast<common_duration>(other);
if (lhs_converted.count() < rhs_converted.count())
return -1;
if (lhs_converted.count() > rhs_converted.count())
return 1;
return 0;
}
private:
TRep value;
};
//***********************************************************************
//***********************************************************************
#if (ETL_USING_64BIT_TYPES)
#if (INT_MAX >= INT32_MAX)
using nanoseconds = etl::chrono::duration<int64_t, etl::nano>;
using microseconds = etl::chrono::duration<int64_t, etl::micro>;
#endif
using milliseconds = etl::chrono::duration<int64_t, etl::milli>;
using seconds = etl::chrono::duration<int64_t, etl::ratio<1U>>;
#else
#if (INT_MAX >= INT32_MAX)
using nanoseconds = etl::chrono::duration<int32_t, etl::nano>;
using microseconds = etl::chrono::duration<int32_t, etl::micro>;
#endif
using milliseconds = etl::chrono::duration<int32_t, etl::milli>;
using seconds = etl::chrono::duration<int32_t, etl::ratio<1U>>;
#endif
using minutes = etl::chrono::duration<int32_t, etl::ratio<60U>>;
using hours = etl::chrono::duration<int32_t, etl::ratio<3600U>>;
using days = etl::chrono::duration<int32_t, etl::ratio<86400U>>;
using weeks = etl::chrono::duration<int32_t, etl::ratio<604800U>>;
using months = etl::chrono::duration<int32_t, etl::ratio<2629746U>>;
using years = etl::chrono::duration<int32_t, etl::ratio<31556952U>>;
//***********************************************************************
//***********************************************************************
template <typename TToDuration, typename TRep, typename TPeriod>
ETL_CONSTEXPR14 TToDuration duration_cast(const etl::chrono::duration<TRep, TPeriod>& d) ETL_NOEXCEPT
{
using from_rep = TRep;
using from_period = TPeriod;
using to_rep = typename TToDuration::rep;
using to_period = typename TToDuration::period;
using ratio_divide_t = typename etl::ratio_divide<from_period, to_period>;
using common_t = typename etl::common_type<from_rep, to_rep, intmax_t>::type;
common_t ct_count = static_cast<common_t>(d.count());
common_t ct_num = static_cast<common_t>(ratio_divide_t::type::num);
common_t ct_den = static_cast<common_t>(ratio_divide_t::type::den);
if ETL_IF_CONSTEXPR ((from_period::num == to_period::num) && (from_period::den == to_period::den))
{
return TToDuration(static_cast<to_rep>(d.count()));
}
else if ETL_IF_CONSTEXPR (ratio_divide_t::num == 1)
{
return TToDuration(static_cast<to_rep>(ct_count / ct_den));
}
else if ETL_IF_CONSTEXPR (ratio_divide_t::den == 1)
{
return TToDuration(static_cast<to_rep>(ct_count * ct_num));
}
else
{
return TToDuration(static_cast<to_rep>((ct_count * ct_num) / ct_den));
}
}
} // namespace chrono
//*************************************************************************
//*************************************************************************
#if ETL_USING_8BIT_TYPES
template <typename TRep, typename TPeriod>
struct hash<etl::chrono::duration<TRep, TPeriod> >
{
ETL_CONSTEXPR14 size_t operator()(const etl::chrono::duration<TRep, TPeriod>& d) const ETL_NOEXCEPT
{
uint8_t buffer[sizeof(TRep) + sizeof(intmax_t) + sizeof(intmax_t)];
TRep value = d.count();
intmax_t num = TPeriod::num;
intmax_t den = TPeriod::den;
memcpy(buffer, &value, sizeof(TRep));
memcpy(buffer + sizeof(TRep), &num, sizeof(intmax_t));
memcpy(buffer + sizeof(TRep) + sizeof(intmax_t), &den, sizeof(intmax_t));
return etl::private_hash::generic_hash<size_t>(buffer, buffer + sizeof(TRep) + sizeof(intmax_t) + sizeof(intmax_t));
}
};
#endif
//***********************************************************************
//***********************************************************************
template <typename TRep1, typename TPeriod1, typename TRep2, typename TPeriod2>
struct common_type<etl::chrono::duration<TRep1, TPeriod1>, etl::chrono::duration<TRep2, TPeriod2>>
{
private:
using value_type = typename etl::common_type<TRep1, TRep2>::type;
using period_type = etl::ratio< etl::chrono::private_chrono::gcd<TPeriod1::num, TPeriod2::num>::value,
etl::chrono::private_chrono::lcm<TPeriod1::den, TPeriod2::den>::value>;
public:
using type = etl::chrono::duration<value_type, period_type>;
};
//***********************************************************************
//***********************************************************************
template <typename TRep1, typename TPeriod1, typename TRep2, typename TPeriod2>
ETL_CONSTEXPR14 bool operator==(const etl::chrono::duration<TRep1, TPeriod1>& lhs, const etl::chrono::duration<TRep2, TPeriod2>& rhs) ETL_NOEXCEPT
{
using common_t = typename etl::common_type<etl::chrono::duration<TRep1, TPeriod1>, etl::chrono::duration<TRep2, TPeriod2> >::type;
common_t l = etl::chrono::duration_cast<common_t>(lhs);
common_t r = etl::chrono::duration_cast<common_t>(rhs);
return l.count() == r.count();
}
//***********************************************************************
//***********************************************************************
template <typename TRep1, typename TPeriod1, typename TRep2, typename TPeriod2>
ETL_CONSTEXPR14 bool operator!=(const etl::chrono::duration<TRep1, TPeriod1>& lhs, const etl::chrono::duration<TRep2, TPeriod2>& rhs) ETL_NOEXCEPT
{
return !(lhs == rhs);
}
//***********************************************************************
//***********************************************************************
template <typename TRep1, typename TPeriod1, typename TRep2, typename TPeriod2>
ETL_CONSTEXPR14 bool operator<(const etl::chrono::duration<TRep1, TPeriod1>& lhs, const etl::chrono::duration<TRep2, TPeriod2>& rhs) ETL_NOEXCEPT
{
using common_t = typename etl::common_type<etl::chrono::duration<TRep1, TPeriod1>, etl::chrono::duration<TRep2, TPeriod2> >::type;
common_t l = etl::chrono::duration_cast<common_t>(lhs);
common_t r = etl::chrono::duration_cast<common_t>(rhs);
return l.count() < r.count();
}
//***********************************************************************
//***********************************************************************
template <typename TRep1, typename TPeriod1, typename TRep2, typename TPeriod2>
ETL_CONSTEXPR14 bool operator<=(const etl::chrono::duration<TRep1, TPeriod1>& lhs, const etl::chrono::duration<TRep2, TPeriod2>& rhs) ETL_NOEXCEPT
{
return !(rhs < lhs);
}
//***********************************************************************
//***********************************************************************
template <typename TRep1, typename TPeriod1, typename TRep2, typename TPeriod2>
ETL_CONSTEXPR14 bool operator>(const etl::chrono::duration<TRep1, TPeriod1>& lhs, const etl::chrono::duration<TRep2, TPeriod2>& rhs) ETL_NOEXCEPT
{
return rhs < lhs;
}
//***********************************************************************
//***********************************************************************
template <typename TRep1, typename TPeriod1, typename TRep2, typename TPeriod2>
ETL_CONSTEXPR14 bool operator>=(const etl::chrono::duration<TRep1, TPeriod1>& lhs, const etl::chrono::duration<TRep2, TPeriod2>& rhs) ETL_NOEXCEPT
{
return !(lhs < rhs);
}
//***********************************************************************
//***********************************************************************
#if ETL_USING_CPP20
template <typename TRep1, typename TPeriod1, typename TRep2, typename TPeriod2>
[[nodiscard]]
constexpr auto operator<=>(const etl::chrono::duration<TRep1, TPeriod1>& lhs, const etl::chrono::duration<TRep2, TPeriod2>& rhs) ETL_NOEXCEPT
{
using common_t = typename etl::common_type<etl::chrono::duration<TRep1, TPeriod1>, etl::chrono::duration<TRep2, TPeriod2> >::type;
common_t l = etl::chrono::duration_cast<common_t>(lhs);
common_t r = etl::chrono::duration_cast<common_t>(rhs);
return (l.count() <=> r.count());
}
#endif
//***********************************************************************
//***********************************************************************
template <typename TRep1, typename TPeriod1, typename TRep2, typename TPeriod2>
ETL_CONSTEXPR14 typename etl::common_type<etl::chrono::duration<TRep1, TPeriod1>, etl::chrono::duration<TRep2, TPeriod2> >::type
operator+(const etl::chrono::duration<TRep1, TPeriod1>& lhs, const etl::chrono::duration<TRep2, TPeriod2>& rhs) ETL_NOEXCEPT
{
// Determine the common type of the two durations.
using common_duration = typename etl::common_type<etl::chrono::duration<TRep1, TPeriod1>, etl::chrono::duration<TRep2, TPeriod2>>::type;
// Convert both durations to the common type.
common_duration lhs_converted = etl::chrono::duration_cast<common_duration>(lhs);
common_duration rhs_converted = etl::chrono::duration_cast<common_duration>(rhs);
// Return the sum of the two converted durations.
return common_duration(lhs_converted.count() + rhs_converted.count());
}
//***********************************************************************
//***********************************************************************
template <typename TRep1, typename TPeriod1, typename TRep2, typename TPeriod2>
ETL_CONSTEXPR14 typename etl::common_type<etl::chrono::duration<TRep1, TPeriod1>, etl::chrono::duration<TRep2, TPeriod2> >::type
operator-(const etl::chrono::duration<TRep1, TPeriod1>& lhs, const etl::chrono::duration<TRep2, TPeriod2>& rhs) ETL_NOEXCEPT
{
// Determine the common type of the two durations.
using common_duration = typename etl::common_type<etl::chrono::duration<TRep1, TPeriod1>, etl::chrono::duration<TRep2, TPeriod2>>::type;
// Convert both durations to the common type.
common_duration lhs_converted = etl::chrono::duration_cast<common_duration>(lhs);
common_duration rhs_converted = etl::chrono::duration_cast<common_duration>(rhs);
// Return the difference of the two converted durations.
return common_duration(lhs_converted.count() - rhs_converted.count());
}
//***********************************************************************
//***********************************************************************
template <typename TRep1, typename TPeriod1, typename TRep2>
ETL_CONSTEXPR14 typename enable_if< !etl::is_specialization<TRep2, etl::chrono::duration>::value,
etl::chrono::duration<typename etl::common_type<TRep1, TRep2>::type, TPeriod1>>::type
operator*(const etl::chrono::duration<TRep1, TPeriod1>& lhs, const TRep2& rhs) ETL_NOEXCEPT
{
using common_rep = typename etl::common_type<TRep1, TRep2>::type;
using result_duration = etl::chrono::duration<common_rep, TPeriod1>;
// Multiply the count of the duration by the scalar value
return result_duration(static_cast<common_rep>(lhs.count()) * static_cast<common_rep>(rhs));
}
//***********************************************************************
//***********************************************************************
template <typename TRep1, typename TRep2, typename TPeriod2>
ETL_CONSTEXPR14 etl::chrono::duration<typename etl::common_type<TRep1, TRep2>::type, TPeriod2>
operator*(const TRep1& lhs, const etl::chrono::duration<TRep2, TPeriod2>& rhs) ETL_NOEXCEPT
{
using common_rep = typename etl::common_type<TRep1, TRep2>::type;
using result_duration = etl::chrono::duration<common_rep, TPeriod2>;
// Multiply the count of the duration by the scalar value
return result_duration(static_cast<common_rep>(rhs.count()) * static_cast<common_rep>(lhs));
}
//***********************************************************************
//***********************************************************************
template <typename TRep1, typename TPeriod1, typename TRep2>
ETL_CONSTEXPR14 typename enable_if< !etl::is_specialization<TRep2, etl::chrono::duration>::value,
etl::chrono::duration<typename etl::common_type<TRep1, TRep2>::type, TPeriod1>>::type
operator/(const etl::chrono::duration<TRep1, TPeriod1>& lhs, const TRep2& rhs) ETL_NOEXCEPT
{
using common_rep = typename etl::common_type<TRep1, TRep2>::type;
using result_duration = etl::chrono::duration<common_rep, TPeriod1>;
// Divide the count of the duration by the scalar value
return result_duration(static_cast<common_rep>(lhs.count()) / static_cast<common_rep>(rhs));
}
//***********************************************************************
//***********************************************************************
template <typename TRep1, typename TPeriod1, typename TRep2, typename TPeriod2>
ETL_CONSTEXPR14 typename etl::common_type<TRep1, TRep2>::type operator/(const etl::chrono::duration<TRep1, TPeriod1>& lhs,
const etl::chrono::duration<TRep2, TPeriod2>& rhs) ETL_NOEXCEPT
{
// Determine the common type of the two durations.
using common_duration = typename etl::common_type<etl::chrono::duration<TRep1, TPeriod1>, etl::chrono::duration<TRep2, TPeriod2>>::type;
common_duration lhs_converted = etl::chrono::duration_cast<common_duration>(lhs);
common_duration rhs_converted = etl::chrono::duration_cast<common_duration>(rhs);
return typename etl::common_type<TRep1, TRep2>::type(lhs_converted.count() / rhs_converted.count());
}
//***********************************************************************
//***********************************************************************
template <typename TRep1, typename TPeriod1, typename TRep2>
ETL_CONSTEXPR14 etl::chrono::duration<typename etl::common_type<TRep1, TRep2>::type, TPeriod1>
operator%(const etl::chrono::duration<TRep1, TPeriod1>& lhs, const TRep2& rhs) ETL_NOEXCEPT
{
using common_rep = typename etl::common_type<TRep1, TRep2>::type;
using common_dur = etl::chrono::duration<common_rep, TPeriod1>;
// Mod the count of the duration by the scalar value
return common_dur(static_cast<common_rep>(lhs.count()) % rhs);
}
//***********************************************************************
//***********************************************************************
template <typename TRep1, typename TPeriod1, typename TRep2, typename TPeriod2>
ETL_CONSTEXPR14 typename etl::common_type<etl::chrono::duration<TRep1, TPeriod1>, etl::chrono::duration<TRep2, TPeriod2>>::type
operator%(const etl::chrono::duration<TRep1, TPeriod1>& lhs, const etl::chrono::duration<TRep2, TPeriod2>& rhs) ETL_NOEXCEPT
{
// Determine the common type of the two durations.
using common_duration = typename etl::common_type<etl::chrono::duration<TRep1, TPeriod1>, etl::chrono::duration<TRep2, TPeriod2>>::type;
common_duration lhs_converted = etl::chrono::duration_cast<common_duration>(lhs);
common_duration rhs_converted = etl::chrono::duration_cast<common_duration>(rhs);
return common_duration(lhs_converted.count() % rhs_converted.count());
}
//***********************************************************************
//***********************************************************************
template <typename TToDuration, typename TRep, typename TPeriod>
ETL_CONSTEXPR14 typename etl::enable_if< etl::is_specialization<TToDuration, etl::chrono::duration>::value, TToDuration>::type
floor(const etl::chrono::duration<TRep, TPeriod>& d) ETL_NOEXCEPT
{
TToDuration result = etl::chrono::duration_cast<TToDuration>(d);
if (result > d)
{
--result;
}
return result;
}
//***********************************************************************
//***********************************************************************
template <typename TToDuration, typename TRep, typename TPeriod>
ETL_CONSTEXPR14 typename etl::enable_if< etl::is_specialization<TToDuration, etl::chrono::duration>::value, TToDuration>::type
ceil(const etl::chrono::duration<TRep, TPeriod>& d) ETL_NOEXCEPT
{
TToDuration result = etl::chrono::duration_cast<TToDuration>(d);
if (result < d)
{
++result;
}
return result;
}
//***********************************************************************
//***********************************************************************
template <typename TToDuration, typename TRep, typename TPeriod>
ETL_CONSTEXPR14 typename etl::enable_if< etl::is_specialization<TToDuration, etl::chrono::duration>::value, TToDuration>::type
round(const etl::chrono::duration<TRep, TPeriod>& d) ETL_NOEXCEPT
{
// Convert the input duration to the target duration type
TToDuration lower = floor<TToDuration>(d);
TToDuration upper = ceil<TToDuration>(lower + TToDuration(1));
auto lower_diff = d - lower;
auto upper_diff = upper - d;
if ((lower_diff < upper_diff) || ((lower_diff == upper_diff) && etl::is_even(lower.count())))
{
return lower;
}
else
{
return upper;
}
}
//***********************************************************************
//***********************************************************************
template <class TRep, class TPeriod, typename = etl::enable_if_t<etl::numeric_limits<TRep>::is_signed>>
ETL_CONSTEXPR14 etl::chrono::duration<TRep, TPeriod> abs(etl::chrono::duration<TRep, TPeriod> d) ETL_NOEXCEPT
{
return d.count() >= 0 ? +d : -d;
}
} // namespace etl
#if ETL_HAS_CHRONO_LITERALS_DURATION
namespace etl
{
inline namespace literals
{
inline namespace chrono_literals
{
//***********************************************************************
//***********************************************************************
#if ETL_USING_VERBOSE_CHRONO_LITERALS
inline ETL_CONSTEXPR14 etl::chrono::hours operator""_hours(unsigned long long h) ETL_NOEXCEPT
#else
inline ETL_CONSTEXPR14 etl::chrono::hours operator""_h(unsigned long long h) ETL_NOEXCEPT
#endif
{
return etl::chrono::hours(static_cast<etl::chrono::hours::rep>(h));
}
//***********************************************************************
//***********************************************************************
#if ETL_USING_VERBOSE_CHRONO_LITERALS
inline ETL_CONSTEXPR14 etl::chrono::duration<double, ratio<3600>> operator""_hours(long double h) ETL_NOEXCEPT
#else
inline ETL_CONSTEXPR14 etl::chrono::duration<double, ratio<3600>> operator""_h(long double h) ETL_NOEXCEPT
#endif
{
return etl::chrono::duration<double, ratio<3600>>(h);
}
//***********************************************************************
//***********************************************************************
#if ETL_USING_VERBOSE_CHRONO_LITERALS
inline ETL_CONSTEXPR14 etl::chrono::minutes operator""_minutes(unsigned long long m) ETL_NOEXCEPT
#else
inline ETL_CONSTEXPR14 etl::chrono::minutes operator""_min(unsigned long long m) ETL_NOEXCEPT
#endif
{
return etl::chrono::minutes(static_cast<etl::chrono::minutes::rep>(m));
}
//***********************************************************************
//***********************************************************************
#if ETL_USING_VERBOSE_CHRONO_LITERALS
inline ETL_CONSTEXPR14 etl::chrono::duration<double, ratio<60>> operator""_minutes(long double m) ETL_NOEXCEPT
#else
inline ETL_CONSTEXPR14 etl::chrono::duration<double, ratio<60>> operator""_min(long double m) ETL_NOEXCEPT
#endif
{
return etl::chrono::duration<double, ratio<60>>(m);
}
//***********************************************************************
//***********************************************************************
#if ETL_USING_VERBOSE_CHRONO_LITERALS
inline ETL_CONSTEXPR14 etl::chrono::seconds operator""_seconds(unsigned long long s) ETL_NOEXCEPT
#else
inline ETL_CONSTEXPR14 etl::chrono::seconds operator""_s(unsigned long long s) ETL_NOEXCEPT
#endif
{
return etl::chrono::seconds(static_cast<etl::chrono::seconds::rep>(s));
}
//***********************************************************************
//***********************************************************************
#if ETL_USING_VERBOSE_CHRONO_LITERALS
inline ETL_CONSTEXPR14 etl::chrono::duration<double> operator""_seconds(long double s) ETL_NOEXCEPT
#else
inline ETL_CONSTEXPR14 etl::chrono::duration<double> operator""_s(long double s) ETL_NOEXCEPT
#endif
{
return etl::chrono::duration<double>(s);
}
//***********************************************************************
//***********************************************************************
#if ETL_USING_VERBOSE_CHRONO_LITERALS
inline ETL_CONSTEXPR14 etl::chrono::milliseconds operator""_milliseconds(unsigned long long s) ETL_NOEXCEPT
#else
inline ETL_CONSTEXPR14 etl::chrono::milliseconds operator""_ms(unsigned long long s) ETL_NOEXCEPT
#endif
{
return etl::chrono::milliseconds(static_cast<etl::chrono::milliseconds::rep>(s));
}
//***********************************************************************
//***********************************************************************
#if ETL_USING_VERBOSE_CHRONO_LITERALS
inline ETL_CONSTEXPR14 etl::chrono::duration<double, milli> operator""_milliseconds(long double s) ETL_NOEXCEPT
#else
inline ETL_CONSTEXPR14 etl::chrono::duration<double, milli> operator""_ms(long double s) ETL_NOEXCEPT
#endif
{
return etl::chrono::duration<double, milli>(s);
}
#if (INT_MAX >= INT32_MAX)
//***********************************************************************
//***********************************************************************
#if ETL_USING_VERBOSE_CHRONO_LITERALS
inline ETL_CONSTEXPR14 etl::chrono::microseconds operator""_microseconds(unsigned long long s) ETL_NOEXCEPT
#else
inline ETL_CONSTEXPR14 etl::chrono::microseconds operator""_us(unsigned long long s) ETL_NOEXCEPT
#endif
{
return etl::chrono::microseconds(static_cast<etl::chrono::microseconds::rep>(s));
}
//***********************************************************************
//***********************************************************************
#if ETL_USING_VERBOSE_CHRONO_LITERALS
inline ETL_CONSTEXPR14 etl::chrono::duration<double, micro> operator""_microseconds(long double s) ETL_NOEXCEPT
#else
inline ETL_CONSTEXPR14 etl::chrono::duration<double, micro> operator""_us(long double s) ETL_NOEXCEPT
#endif
{
return etl::chrono::duration<double, micro>(s);
}
//***********************************************************************
//***********************************************************************
#if ETL_USING_VERBOSE_CHRONO_LITERALS
inline ETL_CONSTEXPR14 etl::chrono::nanoseconds operator""_nanoseconds(unsigned long long s) ETL_NOEXCEPT
#else
inline ETL_CONSTEXPR14 etl::chrono::nanoseconds operator""_ns(unsigned long long s) ETL_NOEXCEPT
#endif
{
return etl::chrono::nanoseconds(static_cast<etl::chrono::nanoseconds::rep>(s));
}
//***********************************************************************
//***********************************************************************
#if ETL_USING_VERBOSE_CHRONO_LITERALS
inline ETL_CONSTEXPR14 etl::chrono::duration<double, nano> operator""_nanoseconds(long double s) ETL_NOEXCEPT
#else
inline ETL_CONSTEXPR14 etl::chrono::duration<double, nano> operator""_ns(long double s) ETL_NOEXCEPT
#endif
{
return etl::chrono::duration<double, nano>(s);
}
#endif
} // namespace chrono_literals
} // namespace literals
} // namespace etl
#endif
etl::chrono::duration
duration
Definition duration.h:108
etl::chrono::duration::compare
ETL_CONSTEXPR14 int compare(const duration< TRep2, TPeriod2 > &other) const ETL_NOEXCEPT
Definition duration.h:293
etl::numeric_limits
Definition limits.h:1714
etl::chrono::nanoseconds
etl::chrono::duration< int64_t, etl::nano > nanoseconds
Duration types.
Definition duration.h:319
etl::chrono::duration_cast
ETL_CONSTEXPR14 TToDuration duration_cast(const etl::chrono::duration< TRep, TPeriod > &d) ETL_NOEXCEPT
duration_cast
Definition duration.h:343
etl::is_even
ETL_CONSTEXPR etl::enable_if< etl::is_integral< T >::value, bool >::type is_even(T value)
Definition binary.h:2188
type
limits.h
etl
Definition absolute.h:40
etl::operator==
ETL_CONSTEXPR14 bool operator==(const etl::array< T, SIZE > &lhs, const etl::array< T, SIZE > &rhs)
Definition array.h:1078
etl::ceil
ETL_CONSTEXPR14 etl::enable_if< etl::is_specialization< TToDuration, etl::chrono::duration >::value, TToDuration >::type ceil(const etl::chrono::duration< TRep, TPeriod > &d) ETL_NOEXCEPT
Rounds up a duration to the nearest higher precision.
Definition duration.h:647
etl::operator-
ETL_CONSTEXPR14 etl::circular_iterator< TIterator > operator-(etl::circular_iterator< TIterator > &lhs, typename etl::iterator_traits< TIterator >::difference_type offset)
Definition circular_iterator.h:675
etl::operator>
bool operator>(const etl::array< T, SIZE > &lhs, const etl::array< T, SIZE > &rhs)
Definition array.h:1130
etl::operator/
ETL_CONSTEXPR14 enable_if<!etl::is_specialization< TRep2, etl::chrono::duration >::value, etl::chrono::duration< typenameetl::common_type< TRep1, TRep2 >::type, TPeriod1 > >::type operator/(const etl::chrono::duration< TRep1, TPeriod1 > &lhs, const TRep2 &rhs) ETL_NOEXCEPT
Operator /.
Definition duration.h:570
etl::operator%
ETL_CONSTEXPR14 etl::chrono::duration< typename etl::common_type< TRep1, TRep2 >::type, TPeriod1 > operator%(const etl::chrono::duration< TRep1, TPeriod1 > &lhs, const TRep2 &rhs) ETL_NOEXCEPT
Operator %.
Definition duration.h:600
etl::abs
ETL_CONSTEXPR14 etl::chrono::duration< TRep, TPeriod > abs(etl::chrono::duration< TRep, TPeriod > d) ETL_NOEXCEPT
Returns the absolute value of a duration.
Definition duration.h:688
etl::operator>=
bool operator>=(const etl::array< T, SIZE > &lhs, const etl::array< T, SIZE > &rhs)
Definition array.h:1144
etl::floor
ETL_CONSTEXPR14 etl::enable_if< etl::is_specialization< TToDuration, etl::chrono::duration >::value, TToDuration >::type floor(const etl::chrono::duration< TRep, TPeriod > &d) ETL_NOEXCEPT
Rounds down a duration to the nearest lower precision.
Definition duration.h:630
etl::operator!=
ETL_CONSTEXPR14 bool operator!=(const etl::array< T, SIZE > &lhs, const etl::array< T, SIZE > &rhs)
Definition array.h:1090
etl::round
ETL_CONSTEXPR14 etl::enable_if< etl::is_specialization< TToDuration, etl::chrono::duration >::value, TToDuration >::type round(const etl::chrono::duration< TRep, TPeriod > &d) ETL_NOEXCEPT
Definition duration.h:665
etl::operator*
ETL_CONSTEXPR14 enable_if<!etl::is_specialization< TRep2, etl::chrono::duration >::value, etl::chrono::duration< typenameetl::common_type< TRep1, TRep2 >::type, TPeriod1 > >::type operator*(const etl::chrono::duration< TRep1, TPeriod1 > &lhs, const TRep2 &rhs) ETL_NOEXCEPT
Operator *.
Definition duration.h:541
etl::operator+
ETL_CONSTEXPR14 etl::circular_iterator< TIterator > operator+(etl::circular_iterator< TIterator > &lhs, typename etl::iterator_traits< TIterator >::difference_type offset)
Definition circular_iterator.h:662
etl::operator<
bool operator<(const etl::array< T, SIZE > &lhs, const etl::array< T, SIZE > &rhs)
Definition array.h:1103
etl::operator<=
bool operator<=(const etl::array< T, SIZE > &lhs, const etl::array< T, SIZE > &rhs)
Definition array.h:1117
ratio.h
string.h
etl::chrono::duration_values
duration_values
Definition duration.h:74
etl::chrono::private_chrono::gcd
Definition duration.h:51
etl::chrono::private_chrono::lcm
Definition duration.h:64
etl::type
etl::ratio
ratio
Definition ratio.h:52
type_traits.h