| 1234567891011121314151617181920212223242526272829303132333435363738 |
- /* Provides a simple example of using a date_generator, and simple
- * mathematical operatorations, to calculate the days since
- * New Years day of this year, and days until next New Years day.
- *
- * Expected results:
- * Adding together both durations will produce 365 (366 in a leap year).
- */
- #include "boost/date_time/gregorian/gregorian.hpp"
- #include <iostream>
- int
- main()
- {
-
- using namespace boost::gregorian;
- date today = day_clock::local_day();
- partial_date new_years_day(1,Jan);
- //Subtract two dates to get a duration
- days days_since_year_start = today - new_years_day.get_date(today.year());
- std::cout << "Days since Jan 1: " << days_since_year_start.days()
- << std::endl;
-
- days days_until_year_start = new_years_day.get_date(today.year()+1) - today;
- std::cout << "Days until next Jan 1: " << days_until_year_start.days()
- << std::endl;
- return 0;
- }
- /* Copyright 2001-2004: CrystalClear Software, Inc
- * http://www.crystalclearsoftware.com
- *
- * Subject to the Boost Software License, Version 1.0.
- * (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
- */
|
