std::chrono::abs(std::chrono::duration)

Since C++17

Header: <chrono>

Returns the absolute value of the duration d. Specifically, if d >= d.zero(), return d, otherwise return -d.

# Declarations

template< class Rep, class Period >
constexpr std::chrono::duration<Rep, Period> abs( std::chrono::duration<Rep, Period> d );

(since C++17)

# Parameters

# Return value

Absolute value of d.

# Example

#include <chrono>
#include <iostream>
 
int main()
{
    using namespace std::chrono;
 
    static_assert(abs(-42s) == std::chrono::abs(42s));
 
    std::cout << "abs(+3min) = " << abs(3min).count() << '\n'
              << "abs(-3min) = " << abs(-3min).count() << '\n';
}

# See also