/* ****************************************************************************
 * Copyright 2019 Open Systems Development BV                                 *
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#include <chrono>
#include <type_traits>

// function std::chrono::ceil is added in the c++17 standard.
// Added implementation from https://en.cppreference.com/w/cpp/chrono/duration/ceil
// to this compatibility header. The header only defines this implementation when
// the c++ compiler is used with an older standard.

#if !defined __cpp_lib_chrono || __cpp_lib_chrono < 201611

namespace std {
namespace chrono {

template <class T>
struct is_duration : std::false_type
{
};
template <class Rep, class Period>
struct is_duration<
    std::chrono::duration<Rep, Period>> : std::true_type
{
};

template <class To, class Rep, class Period,
    class = typename enable_if<is_duration<To>{}>::type>
To ceil(const std::chrono::duration<Rep, Period>& d)
{
    To t = std::chrono::duration_cast<To>(d);
    if (t < d)
    {
        return t + To{ 1 };
    }

    // or else...
    return t;
}

}       // End namespace chrono
}       // End namespace std

#endif