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- // io_ex1.cpp ----------------------------------------------------------//
- // Copyright 2010 Howard Hinnant
- // Copyright 2010 Vicente J. Botet Escriba
- // Copyright (c) Microsoft Corporation 2014
- // Distributed under the Boost Software License, Version 1.0.
- // See http://www.boost.org/LICENSE_1_0.txt
- /*
- This code was adapted by Vicente J. Botet Escriba from Hinnant's html documentation.
- Many thanks to Howard for making his code available under the Boost license.
- */
- #include <iostream>
- #include <boost/chrono/config.hpp>
- #include <boost/chrono/chrono_io.hpp>
- #include <boost/chrono/system_clocks.hpp>
- #include <boost/chrono/thread_clock.hpp>
- #include <boost/chrono/process_cpu_clocks.hpp>
- int main()
- {
- using std::cout;
- using namespace boost;
- using namespace boost::chrono;
- cout << "milliseconds(1) = "
- << milliseconds(1) << '\n';
- cout << "milliseconds(3) + microseconds(10) = "
- << milliseconds(3) + microseconds(10) << '\n';
- cout << "hours(3) + minutes(10) = "
- << hours(3) + minutes(10) << '\n';
- typedef duration<long long, ratio<1, 2500000000ULL> > ClockTick;
- cout << "ClockTick(3) + nanoseconds(10) = "
- << ClockTick(3) + nanoseconds(10) << '\n';
- cout << "\nSet cout to use short names:\n";
- #if BOOST_CHRONO_VERSION==2
- cout << duration_fmt(duration_style::symbol);
- #else
- cout << duration_short;
- #endif
- cout << "milliseconds(3) + microseconds(10) = "
- << milliseconds(3) + microseconds(10) << '\n';
- cout << "hours(3) + minutes(10) = "
- << hours(3) + minutes(10) << '\n';
- cout << "ClockTick(3) + nanoseconds(10) = "
- << ClockTick(3) + nanoseconds(10) << '\n';
- cout << "\nsystem_clock::now() = " << system_clock::now() << '\n';
- #if defined _MSC_VER && _MSC_VER == 1700
- #else
- #if BOOST_CHRONO_VERSION==2
- cout << "\nsystem_clock::now() = " << time_fmt(chrono::timezone::local) << system_clock::now() << '\n';
- cout << "\nsystem_clock::now() = " << time_fmt(chrono::timezone::local,"%Y/%m/%d") << system_clock::now() << '\n';
- #endif
- #endif
- #ifdef BOOST_CHRONO_HAS_CLOCK_STEADY
- cout << "steady_clock::now() = " << steady_clock::now() << '\n';
- #endif
- #if BOOST_CHRONO_VERSION==2
- cout << "\nSet cout to use long names:\n" << duration_fmt(duration_style::prefix)
- << "high_resolution_clock::now() = " << high_resolution_clock::now() << '\n';
- #else
- cout << "\nSet cout to use long names:\n" << duration_long
- << "high_resolution_clock::now() = " << high_resolution_clock::now() << '\n';
- #endif
- #if defined(BOOST_CHRONO_HAS_THREAD_CLOCK)
- cout << "\nthread_clock::now() = " << thread_clock::now() << '\n';
- #endif
- #if defined(BOOST_CHRONO_HAS_PROCESS_CLOCKS)
- cout << "\nprocess_real_cpu_clock::now() = " << process_real_cpu_clock::now() << '\n';
- #if BOOST_PLAT_WINDOWS_DESKTOP
- cout << "\nprocess_user_cpu_clock::now() = " << process_user_cpu_clock::now() << '\n';
- cout << "\nprocess_system_cpu_clock::now() = " << process_system_cpu_clock::now() << '\n';
- cout << "\nprocess_cpu_clock::now() = " << process_cpu_clock::now() << '\n';
- #endif
- #endif
- return 0;
- }
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