tetl 0.1.0
Embedded Template Library
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abs.hpp
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1// SPDX-License-Identifier: BSL-1.0
2
3#ifndef TETL_CHRONO_ABS_HPP
4#define TETL_CHRONO_ABS_HPP
5
6#include <etl/_chrono/duration_cast.hpp>
7#include <etl/_chrono/time_point_cast.hpp>
8#include <etl/_limits/numeric_limits.hpp>
9#include <etl/_type_traits/is_arithmetic.hpp>
10
11namespace etl::chrono {
12
17template <typename R, typename P>
18 requires(numeric_limits<R>::is_signed)
19constexpr auto abs(duration<R, P> d) noexcept(is_arithmetic_v<R>) -> duration<R, P>
20{
21 return d < duration<R, P>::zero() ? duration<R, P>::zero() - d : d;
22}
23
24} // namespace etl::chrono
25
26#endif // TETL_CHRONO_ABS_HPP
duration_cast.hpp
etl::chrono::abs
constexpr auto abs(duration< R, P > d) noexcept(is_arithmetic_v< R >) -> duration< R, P >
Returns the absolute value of the duration d. Specifically, if d >= d.zero(), return d,...
Definition abs.hpp:19
is_arithmetic.hpp
etl::chrono
Definition abs.hpp:11
etl::is_arithmetic_v
constexpr bool is_arithmetic_v
Definition is_arithmetic.hpp:21
numeric_limits.hpp
etl::chrono::duration
Class template etl::chrono::duration represents a time interval.
Definition duration.hpp:31
etl::chrono::duration::zero
static constexpr auto zero() noexcept -> duration
Returns a zero-length duration.
Definition duration.hpp:100
etl::numeric_limits::is_signed
static constexpr bool is_signed
Definition numeric_limits.hpp:28
time_point_cast.hpp