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自由（liberty）无非就是这样一种承诺：每个人将会得到一种保障，保障我们可以与
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"Black Ice" <yg-boost-users_at_[hidden]> 写入消息新闻
:av2tmo$42o$1_at_main.gmane.org...
> boost version 2002-01-02
> VC 7.1 Final Beta
> "error C2668: 'abs' : ambiguous call to overloaded function" when compile
> following code. The same code can be built successfully in vc6.
> Any suggestion are appreciated.
>
> #define DATE_TIME_INLINE
> #define BOOST_DATE_TIME_POSIX_TIME_STD_CONFIG
>
> #include <iostream>
> #include <string>
> using namespace std;
>
> #include <boost/date_time/gregorian/gregorian.hpp>
> #include <boost/date_time/posix_time/posix_time.hpp>
>
> using namespace boost::gregorian;
> using namespace boost::posix_time;
>
> void testDateTime2()
> {
>  date d(2002, Nov, 1); //an arbitrary date
>  ptime t1(d, hours(5) + nanosec(100));//date + time of day offset
>  ptime t2 = t1 - minutes(4)+seconds(2);
>  ptime now = second_clock::local_time(); //use the clock
>  //Get the date part out of the time
>  date today = now.date();
>  date tommorrow = today + date_duration(1);
>  ptime tommorrow_start(tommorrow); //midnight
>
>  cout << "d is " << to_iso_extended_string(d) << endl;
>  cout << "t1 is " << to_iso_extended_string(t1) << endl;
>  cout << "t2 is " << to_iso_extended_string(t2) << endl;
>  cout << "now is " << to_iso_extended_string(now) << endl;
>  cout << "today is " << to_iso_extended_string(today) << endl;
>  cout << "tommorrow is " << to_iso_extended_string(tommorrow) << endl;
>  cout << "tommorrow_start is " << to_iso_extended_string(tommorrow_start)
<<
> endl;
>
>  //starting at current time iterator adds by one hour
>  time_iterator titr(now,hours(1));
>  for (; titr < tommorrow_start; ++titr) {
>   cout << to_iso_extended_string(*titr) << endl;
>  }
> }
>
>
> --
> /*******************/
> 自由（liberty）无非就是这样一种承诺：每个人将会得到一种保障，保障我们可以
与
> 权威、多数、流俗及舆论的影响相抗衡。
> /*******************/
>
>
>
>
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