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diff --git a/3rdParty/Boost/src/boost/date_time/gregorian/conversion.hpp b/3rdParty/Boost/src/boost/date_time/gregorian/conversion.hpp
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+++ b/3rdParty/Boost/src/boost/date_time/gregorian/conversion.hpp
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+#ifndef _GREGORIAN__CONVERSION_HPP___
+#define _GREGORIAN__CONVERSION_HPP___
+
+/* Copyright (c) 2004-2005 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: 2008-11-12 14:37:53 -0500 (Wed, 12 Nov 2008) $
+ */
+
+#include <string>
+#include <stdexcept>
+#include <boost/throw_exception.hpp>
+#include <boost/date_time/gregorian/gregorian_types.hpp>
+#include <boost/date_time/c_time.hpp>
+#if defined(USE_DATE_TIME_PRE_1_33_FACET_IO)
+#  if defined(BOOST_DATE_TIME_INCLUDE_LIMITED_HEADERS)
+#    include <boost/date_time/gregorian/formatters_limited.hpp>
+#  else
+#    include <boost/date_time/gregorian/formatters.hpp>
+#  endif // BOOST_DATE_TIME_INCLUDE_LIMITED_HEADERS
+#else
+#  include <sstream>
+#  include <boost/date_time/gregorian/gregorian_io.hpp>
+#endif // USE_DATE_TIME_PRE_1_33_FACET_IO
+
+namespace boost {
+
+namespace gregorian {
+
+
+  //! Converts a date to a tm struct. Throws out_of_range exception if date is a special value
+  inline
+  std::tm to_tm(const date& d) 
+  {
+    if(d.is_pos_infinity() || d.is_neg_infinity() || d.is_not_a_date()){
+      std::string s = "tm unable to handle date value of ";
+#if defined(USE_DATE_TIME_PRE_1_33_FACET_IO)
+      s += to_simple_string(d);
+#else
+      std::ostringstream ss;
+      ss << d;
+      s += ss.str();
+#endif // USE_DATE_TIME_PRE_1_33_FACET_IO
+      boost::throw_exception(std::out_of_range(s));
+    }
+    std::tm datetm;
+    boost::gregorian::date::ymd_type ymd = d.year_month_day();
+    datetm.tm_year = ymd.year-1900; 
+    datetm.tm_mon = ymd.month-1; 
+    datetm.tm_mday = ymd.day;
+    datetm.tm_wday = d.day_of_week();
+    datetm.tm_yday = d.day_of_year()-1;
+    datetm.tm_hour = datetm.tm_min = datetm.tm_sec = 0;
+    datetm.tm_isdst = -1; // negative because not enough info to set tm_isdst
+    return datetm;
+  }
+
+  //! Converts a tm structure into a date dropping the any time values.
+  inline
+  date date_from_tm(const std::tm& datetm) 
+  {
+    return date(static_cast<unsigned short>(datetm.tm_year+1900), 
+                static_cast<unsigned short>(datetm.tm_mon+1), 
+                static_cast<unsigned short>(datetm.tm_mday));
+  }
+  
+
+} } //namespace boost::gregorian
+
+
+
+
+#endif
+