//
//  main.cpp
//  Boost_Test_1
//
//  Created by Arthur B Coleman on 12/7/15.
//  Copyright © 2015 Arthur Coleman. All rights reserved.
//

#include <boost/chrono/chrono.hpp>
#include <boost/type_traits.hpp>

#include <iostream>

using namespace boost::chrono;


void explore_limits()
{
    typedef duration<long long, boost::ratio_multiply<boost::ratio<24*3652425,10000>,
    hours::period>::type> Years;
#ifdef BOOST_CHRONO_HAS_CLOCK_STEADY
    steady_clock::time_point t1( Years(250));
    steady_clock::time_point t2(-Years(250));
#else
    system_clock::time_point t1( Years(250));
    system_clock::time_point t2(-Years(250));
#endif
    // nanosecond resolution is likely to overflow.  "up cast" to microseconds.
    //   The "up cast" trades precision for range.
    microseconds d = time_point_cast<microseconds>(t1) - time_point_cast<microseconds>(t2);
    std::cout << d.count() << " microseconds\n";
}


int main()
{
    explore_limits();
    return 0;
}