C++ date_duration_type类代码示例

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本文整理汇总了C++中date_duration_type类的典型用法代码示例。如果您正苦于以下问题：C++ date_duration_type类的具体用法？C++ date_duration_type怎么用？C++ date_duration_type使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了date_duration_type类的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: subtract_days

 static time_rep_type subtract_days(const time_rep_type& base,
                                    const date_duration_type& dd)
 {
   if(base.is_special() || dd.is_special()) {
     return(time_rep_type(base.get_rep() - dd.get_rep()));
   }
   else{
     return time_rep_type(base.time_count() - (dd.days() * time_rep_type::frac_sec_per_day()));
   }
 }

开发者ID:AlexS2172，项目名称:IVRMstandard，代码行数:10，代码来源:time_system_counted.hpp

示例2: utc_to_local

 template<class time_type>
 class c_local_adjustor {
 public:
   typedef typename time_type::time_duration_type time_duration_type;
   typedef typename time_type::date_type date_type;
   typedef typename date_type::duration_type date_duration_type;
   //! Convert a utc time to local time
   static time_type utc_to_local(const time_type& t)
   {
     date_type time_t_start_day(1970,1,1);
     time_type time_t_start_time(time_t_start_day,time_duration_type(0,0,0));
     if (t < time_t_start_time) {
       boost::throw_exception(std::out_of_range("Cannot convert dates prior to Jan 1, 1970"));
       BOOST_DATE_TIME_UNREACHABLE_EXPRESSION(return time_t_start_time); // should never reach
     }
     date_duration_type dd = t.date() - time_t_start_day;
     time_duration_type td = t.time_of_day();
     std::time_t t2 = dd.days()*86400 + td.hours()*3600 + td.minutes()*60 + td.seconds();
     std::tm tms, *tms_ptr;
     tms_ptr = c_time::localtime(&t2, &tms);
     date_type d(static_cast<unsigned short>(tms_ptr->tm_year + 1900),
                 static_cast<unsigned short>(tms_ptr->tm_mon + 1),
                 static_cast<unsigned short>(tms_ptr->tm_mday));
     time_duration_type td2(tms_ptr->tm_hour,
                            tms_ptr->tm_min,
                            tms_ptr->tm_sec,
                            t.time_of_day().fractional_seconds());
     
     return time_type(d,td2);
   }
 };

开发者ID:SokolovaCo，项目名称:Alfa-stock，代码行数:31，代码来源:c_local_time_adjustor.hpp

示例3: utc_to_local

 template<class time_type>
 class c_local_adjustor {
 public:
   typedef typename time_type::time_duration_type time_duration_type;
   typedef typename time_type::date_type date_type;
   typedef typename date_type::duration_type date_duration_type;
   //! Convert a utc time to local time
   static time_type utc_to_local(const time_type& t)
   {
     date_type time_t_start_day(1970,1,1);
     time_type time_t_start_time(time_t_start_day,time_duration_type(0,0,0));
     if (t < time_t_start_time) {
       boost::throw_exception(std::out_of_range("Cannot convert dates prior to Jan 1, 1970"));
       BOOST_DATE_TIME_UNREACHABLE_EXPRESSION(return time_t_start_time); // should never reach
     }
     date_duration_type dd = t.date() - time_t_start_day;
     time_duration_type td = t.time_of_day();
     uint64_t t2 = static_cast<uint64_t>(dd.days())*86400 +
                   static_cast<uint64_t>(td.hours())*3600 +
                   static_cast<uint64_t>(td.minutes())*60 +
                   td.seconds();
     // detect y2038 issue and throw instead of proceed with bad time
     std::time_t tv = boost::numeric_cast<std::time_t>(t2);
     std::tm tms, *tms_ptr;
     tms_ptr = c_time::localtime(&tv, &tms);
     date_type d(static_cast<unsigned short>(tms_ptr->tm_year + 1900),
                 static_cast<unsigned short>(tms_ptr->tm_mon + 1),
                 static_cast<unsigned short>(tms_ptr->tm_mday));
     time_duration_type td2(tms_ptr->tm_hour,
                            tms_ptr->tm_min,
                            tms_ptr->tm_sec,

开发者ID:ASMlover，项目名称:study，代码行数:31，代码来源:c_local_time_adjustor.hpp

示例4: utc_to_local

 template<class time_type>
 class c_local_adjustor {
 public:
   typedef typename time_type::time_duration_type time_duration_type;
   typedef typename time_type::date_type date_type;
   typedef typename date_type::duration_type date_duration_type;
   //! Convert a utc time to local time
   static time_type utc_to_local(const time_type& t)
   {
     date_type time_t_start_day(1970,1,1);
     time_type time_t_start_time(time_t_start_day,time_duration_type(0,0,0));
     if (t < time_t_start_time) {
       boost::throw_exception(std::out_of_range("Cannot convert dates prior to Jan 1, 1970"));
       BOOST_DATE_TIME_UNREACHABLE_EXPRESSION(return time_t_start_time); // should never reach
     }
     date_duration_type dd = t.date() - time_t_start_day;
     time_duration_type td = t.time_of_day();
     std::time_t t2 = static_cast<std::time_t>(dd.days())*86400 +
                      static_cast<std::time_t>(td.hours())*3600 +
                      static_cast<std::time_t>(td.minutes())*60 +
                      td.seconds();
     std::tm tms, *tms_ptr;
     tms_ptr = c_time::localtime(&t2, &tms);
     date_type d(static_cast<unsigned short>(tms_ptr->tm_year + 1900),
                 static_cast<unsigned short>(tms_ptr->tm_mon + 1),
                 static_cast<unsigned short>(tms_ptr->tm_mday));
     time_duration_type td2(tms_ptr->tm_hour,
                            tms_ptr->tm_min,
                            tms_ptr->tm_sec,
                            t.time_of_day().fractional_seconds());

开发者ID:imos，项目名称:icfpc2015，代码行数:30，代码来源:c_local_time_adjustor.hpp

注：本文中的date_duration_type类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。