Function re_unit

src/include/utils/utils.hpp:134–147

\brief re-unit the time \param time the time \return the re-unit time

/// \param time the time
/// \return the re-unit time
inline time_with_unit re_unit(time_with_unit time){
    time = cast_to_us(time);
    float time_us = time.first;
    std::string time_unit = time.second;
    if (time_us > 1000000){
        time_us /= 1000000;
        time_unit = "s";
    }
    else if (time_us > 1000){
        time_us /= 1000;
        time_unit = "ms";
    }
    return std::make_pair(time_us, time_unit);
}

} // end of namespace time_utils