time_util.h

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#ifndef GUL17_TIME_UTIL_H_
#define GUL17_TIME_UTIL_H_
 
#include <chrono>
#include <thread>
 
#include "gul17/internal.h"
#include "gul17/Trigger.h"
 
namespace gul17 {
 
inline std::chrono::steady_clock::time_point tic()
{
    return std::chrono::steady_clock::now();
}
 
template<class TimeUnitType = std::chrono::duration<double>>
auto toc(std::chrono::steady_clock::time_point t0)
{
    return std::chrono::duration_cast<TimeUnitType>(tic() - t0).count();
}
 
template< class Rep, class Period >
bool sleep(const std::chrono::duration<Rep, Period>& duration, const Trigger& trg)
{
    return !trg.wait_for(duration);
}
 
inline bool sleep(double seconds, const Trigger &trg)
{
    return sleep(std::chrono::duration<double>{ seconds }, trg);
}
 
template< class Rep, class Period >
bool sleep(const std::chrono::duration<Rep, Period>& duration)
{
    std::this_thread::sleep_for(duration);
    return true;
}
 
inline bool sleep(double seconds)
{
    return sleep(std::chrono::duration<double>{ seconds });
}
 
 
} // namespace gul17
 
#endif