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+#ifndef POSIX_TIME_CONFIG_HPP___
+#define POSIX_TIME_CONFIG_HPP___
+
+/* Copyright (c) 2002,2003,2005 CrystalClear Software, Inc.
+ * Use, modification and distribution is 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)
+ * Author: Jeff Garland, Bart Garst
+ * $Date: 2009-06-04 07:52:28 -0400 (Thu, 04 Jun 2009) $
+ */
+
+#include <cstdlib> //for MCW 7.2 std::abs(long long)
+#include <boost/limits.hpp>
+#include <boost/cstdint.hpp>
+#include <boost/config/no_tr1/cmath.hpp>
+#include <boost/date_time/time_duration.hpp>
+#include <boost/date_time/time_resolution_traits.hpp>
+#include <boost/date_time/gregorian/gregorian_types.hpp>
+#include <boost/date_time/wrapping_int.hpp>
+#include <boost/date_time/compiler_config.hpp>
+
+namespace boost {
+namespace posix_time {
+
+//Remove the following line if you want 64 bit millisecond resolution time
+//#define BOOST_GDTL_POSIX_TIME_STD_CONFIG
+
+#ifdef BOOST_DATE_TIME_POSIX_TIME_STD_CONFIG
+ // set up conditional test compilations
+#define BOOST_DATE_TIME_HAS_MILLISECONDS
+#define BOOST_DATE_TIME_HAS_MICROSECONDS
+#define BOOST_DATE_TIME_HAS_NANOSECONDS
+ typedef date_time::time_resolution_traits<boost::date_time::time_resolution_traits_adapted64_impl, boost::date_time::nano,
+ 1000000000, 9 > time_res_traits;
+#else
+ // set up conditional test compilations
+#define BOOST_DATE_TIME_HAS_MILLISECONDS
+#define BOOST_DATE_TIME_HAS_MICROSECONDS
+#undef BOOST_DATE_TIME_HAS_NANOSECONDS
+ typedef date_time::time_resolution_traits<
+ boost::date_time::time_resolution_traits_adapted64_impl, boost::date_time::micro,
+ 1000000, 6 > time_res_traits;
+
+
+// #undef BOOST_DATE_TIME_HAS_MILLISECONDS
+// #undef BOOST_DATE_TIME_HAS_MICROSECONDS
+// #undef BOOST_DATE_TIME_HAS_NANOSECONDS
+// typedef date_time::time_resolution_traits<boost::int64_t, boost::date_time::tenth,
+// 10, 0 > time_res_traits;
+
+#endif
+
+
+ //! Base time duration type
+ /*! \ingroup time_basics
+ */
+ class time_duration :
+ public date_time::time_duration<time_duration, time_res_traits>
+ {
+ public:
+ typedef time_res_traits rep_type;
+ typedef time_res_traits::day_type day_type;
+ typedef time_res_traits::hour_type hour_type;
+ typedef time_res_traits::min_type min_type;
+ typedef time_res_traits::sec_type sec_type;
+ typedef time_res_traits::fractional_seconds_type fractional_seconds_type;
+ typedef time_res_traits::tick_type tick_type;
+ typedef time_res_traits::impl_type impl_type;
+ time_duration(hour_type hour,
+ min_type min,
+ sec_type sec,
+ fractional_seconds_type fs=0) :
+ date_time::time_duration<time_duration, time_res_traits>(hour,min,sec,fs)
+ {}
+ time_duration() :
+ date_time::time_duration<time_duration, time_res_traits>(0,0,0)
+ {}
+ //! Construct from special_values
+ time_duration(boost::date_time::special_values sv) :
+ date_time::time_duration<time_duration, time_res_traits>(sv)
+ {}
+ //Give duration access to ticks constructor -- hide from users
+ friend class date_time::time_duration<time_duration, time_res_traits>;
+ private:
+ explicit time_duration(impl_type tick_count) :
+ date_time::time_duration<time_duration, time_res_traits>(tick_count)
+ {}
+ };
+
+#ifdef BOOST_DATE_TIME_POSIX_TIME_STD_CONFIG
+
+ //! Simple implementation for the time rep
+ struct simple_time_rep
+ {
+ typedef gregorian::date date_type;
+ typedef time_duration time_duration_type;
+ simple_time_rep(date_type d, time_duration_type tod) :
+ day(d),
+ time_of_day(tod)
+ {
+ // make sure we have sane values for date & time
+ if(!day.is_special() && !time_of_day.is_special()){
+ if(time_of_day >= time_duration_type(24,0,0)) {
+ while(time_of_day >= time_duration_type(24,0,0)) {
+ day += date_type::duration_type(1);
+ time_of_day -= time_duration_type(24,0,0);
+ }
+ }
+ else if(time_of_day.is_negative()) {
+ while(time_of_day.is_negative()) {
+ day -= date_type::duration_type(1);
+ time_of_day += time_duration_type(24,0,0);
+ }
+ }
+ }
+ }
+ date_type day;
+ time_duration_type time_of_day;
+ bool is_special()const
+ {
+ return(is_pos_infinity() || is_neg_infinity() || is_not_a_date_time());
+ }
+ bool is_pos_infinity()const
+ {
+ return(day.is_pos_infinity() || time_of_day.is_pos_infinity());
+ }
+ bool is_neg_infinity()const
+ {
+ return(day.is_neg_infinity() || time_of_day.is_neg_infinity());
+ }
+ bool is_not_a_date_time()const
+ {
+ return(day.is_not_a_date() || time_of_day.is_not_a_date_time());
+ }
+ };
+
+ class posix_time_system_config
+ {
+ public:
+ typedef simple_time_rep time_rep_type;
+ typedef gregorian::date date_type;
+ typedef gregorian::date_duration date_duration_type;
+ typedef time_duration time_duration_type;
+ typedef time_res_traits::tick_type int_type;
+ typedef time_res_traits resolution_traits;
+#if (defined(BOOST_DATE_TIME_NO_MEMBER_INIT)) //help bad compilers
+#else
+ BOOST_STATIC_CONSTANT(boost::int64_t, tick_per_second = 1000000000);
+#endif
+ };
+
+#else
+
+ class millisec_posix_time_system_config
+ {
+ public:
+ typedef boost::int64_t time_rep_type;
+ //typedef time_res_traits::tick_type time_rep_type;
+ typedef gregorian::date date_type;
+ typedef gregorian::date_duration date_duration_type;
+ typedef time_duration time_duration_type;
+ typedef time_res_traits::tick_type int_type;
+ typedef time_res_traits::impl_type impl_type;
+ typedef time_res_traits resolution_traits;
+#if (defined(BOOST_DATE_TIME_NO_MEMBER_INIT)) //help bad compilers
+#else
+ BOOST_STATIC_CONSTANT(boost::int64_t, tick_per_second = 1000000);
+#endif
+ };
+
+#endif
+
+} }//namespace posix_time
+
+
+#endif
+
+