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diff --git a/3rdParty/Boost/boost/date_time/date_duration_types.hpp b/3rdParty/Boost/boost/date_time/date_duration_types.hpp
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+++ b/3rdParty/Boost/boost/date_time/date_duration_types.hpp
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+#ifndef DATE_DURATION_TYPES_HPP___
+#define DATE_DURATION_TYPES_HPP___
+
+/* Copyright (c) 2004 CrystalClear Software, Inc.
+ * 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: 2008-02-27 15:00:24 -0500 (Wed, 27 Feb 2008) $
+ */
+                                                                                
+#include <boost/date_time/int_adapter.hpp>
+#include <boost/date_time/special_defs.hpp>
+#include <boost/date_time/date_duration.hpp>
+
+namespace boost {
+namespace date_time {
+
+
+  //! Additional duration type that represents a number of n*7 days
+  template <class duration_config>
+  class weeks_duration : public date_duration<duration_config> {
+  public:
+    weeks_duration(typename duration_config::impl_type w) 
+      : date_duration<duration_config>(w * 7) {}
+    weeks_duration(special_values sv) 
+      : date_duration<duration_config>(sv) {}
+  };
+
+  // predeclare
+  template<class t>
+  class years_duration;
+
+  //! additional duration type that represents a logical month
+  /*! A logical month enables things like: "date(2002,Mar,2) + months(2) -> 
+   * 2002-May2". If the date is a last day-of-the-month, the result will 
+   * also be a last-day-of-the-month.
+   */
+  template<class base_config>
+  class months_duration 
+  {
+    private:
+      typedef typename base_config::int_rep int_rep;
+      typedef typename int_rep::int_type int_type;
+      typedef typename base_config::date_type date_type;
+      typedef typename date_type::duration_type duration_type;
+      typedef typename base_config::month_adjustor_type month_adjustor_type;
+      typedef months_duration<base_config> months_type;
+      typedef years_duration<base_config> years_type;
+    public:
+      months_duration(int_rep num) : _m(num) {}
+      months_duration(special_values sv) : _m(sv) 
+      {
+        _m = int_rep::from_special(sv);
+      }
+      int_rep number_of_months() const { return _m; }
+      //! returns a negative duration
+      duration_type get_neg_offset(const date_type& d) const
+      {
+        month_adjustor_type m_adj(_m.as_number());
+        return duration_type(m_adj.get_neg_offset(d));
+      }
+      duration_type get_offset(const date_type& d) const
+      {
+        month_adjustor_type m_adj(_m.as_number());
+        return duration_type(m_adj.get_offset(d));
+      }
+      bool operator==(const months_type& rhs) const
+      {
+        return(_m == rhs._m);
+      }
+      bool operator!=(const months_type& rhs) const
+      {
+        return(_m != rhs._m);
+      }
+      months_type operator+(const months_type& rhs)const
+      {
+        return months_type(_m + rhs._m);
+      }
+      months_type& operator+=(const months_type& rhs)
+      {
+        _m = _m + rhs._m;
+        return *this;
+      }
+      months_type operator-(const months_type& rhs)const
+      {
+        return months_type(_m - rhs._m);
+      }
+      months_type& operator-=(const months_type& rhs)
+      {
+        _m = _m - rhs._m;
+        return *this;
+      }
+      months_type operator*(const int_type rhs)const
+      {
+        return months_type(_m * rhs);
+      }
+      months_type& operator*=(const int_type rhs)
+      {
+        _m = _m * rhs;
+        return *this;
+      }
+      months_type operator/(const int_type rhs)const
+      {
+        return months_type(_m / rhs);
+      }
+      months_type& operator/=(const int_type rhs)
+      {
+        _m = _m / rhs;
+        return *this;
+      }
+      months_type operator+(const years_type& y)const
+      {
+        return months_type(y.number_of_years() * 12 + _m);
+      }
+      months_type& operator+=(const years_type& y)
+      {
+        _m = y.number_of_years() * 12 + _m;
+        return *this;
+      }
+      months_type operator-(const years_type& y) const
+      {
+        return months_type(_m - y.number_of_years() * 12);
+      }
+      months_type& operator-=(const years_type& y)
+      {
+        _m = _m - y.number_of_years() * 12;
+        return *this;
+      }
+
+      //
+      friend date_type operator+(const date_type& d, const months_type& m)
+      {
+        return d + m.get_offset(d);
+      }
+      friend date_type operator+=(date_type& d, const months_type& m)
+      {
+        return d += m.get_offset(d);
+      }
+      friend date_type operator-(const date_type& d, const months_type& m)
+      {
+        // get_neg_offset returns a negative duration, so we add
+        return d + m.get_neg_offset(d);
+      }
+      friend date_type operator-=(date_type& d, const months_type& m)
+      {
+        // get_neg_offset returns a negative duration, so we add
+        return d += m.get_neg_offset(d);
+      }
+        
+    private:
+      int_rep _m;
+  };
+
+  //! additional duration type that represents a logical year
+  /*! A logical year enables things like: "date(2002,Mar,2) + years(2) -> 
+   * 2004-Mar-2". If the date is a last day-of-the-month, the result will 
+   * also be a last-day-of-the-month (ie date(2001-Feb-28) + years(3) ->
+   * 2004-Feb-29).
+   */
+  template<class base_config>
+  class years_duration 
+  {
+    private:
+      typedef typename base_config::int_rep int_rep;
+      typedef typename int_rep::int_type int_type;
+      typedef typename base_config::date_type date_type;
+      typedef typename date_type::duration_type duration_type;
+      typedef typename base_config::month_adjustor_type month_adjustor_type;
+      typedef years_duration<base_config> years_type;
+      typedef months_duration<base_config> months_type;
+    public:
+      years_duration(int_rep num) : _y(num) {}
+      years_duration(special_values sv) : _y(sv) 
+      {
+        _y = int_rep::from_special(sv);
+      }
+      int_rep number_of_years() const { return _y; }
+      //! returns a negative duration
+      duration_type get_neg_offset(const date_type& d) const
+      {
+        month_adjustor_type m_adj(_y.as_number() * 12);
+        return duration_type(m_adj.get_neg_offset(d));
+      }
+      duration_type get_offset(const date_type& d) const
+      {
+        month_adjustor_type m_adj(_y.as_number() * 12);
+        return duration_type(m_adj.get_offset(d));
+      }
+      bool operator==(const years_type& rhs) const
+      {
+        return(_y == rhs._y);
+      }
+      bool operator!=(const years_type& rhs) const
+      {
+        return(_y != rhs._y);
+      }
+      years_type operator+(const years_type& rhs)const
+      {
+        return years_type(_y + rhs._y);
+      }
+      years_type& operator+=(const years_type& rhs)
+      {
+        _y = _y + rhs._y;
+        return *this;
+      }
+      years_type operator-(const years_type& rhs)const
+      {
+        return years_type(_y - rhs._y);
+      }
+      years_type& operator-=(const years_type& rhs)
+      {
+        _y = _y - rhs._y;
+        return *this;
+      }
+      years_type operator*(const int_type rhs)const
+      {
+        return years_type(_y * rhs);
+      }
+      years_type& operator*=(const int_type rhs)
+      {
+        _y = _y * rhs;
+        return *this;
+      }
+      years_type operator/(const int_type rhs)const
+      {
+        return years_type(_y / rhs);
+      }
+      years_type& operator/=(const int_type rhs)
+      {
+        _y = _y / rhs;
+        return *this;
+      }
+      months_type operator+(const months_type& m) const
+      {
+        return(months_type(_y * 12 + m.number_of_months()));
+      }
+      months_type operator-(const months_type& m) const
+      {
+        return(months_type(_y * 12 - m.number_of_months()));
+      }
+
+      //
+      friend date_type operator+(const date_type& d, const years_type& y)
+      {
+        return d + y.get_offset(d);
+      }
+      friend date_type operator+=(date_type& d, const years_type& y)
+      {
+        return d += y.get_offset(d);
+      }
+      friend date_type operator-(const date_type& d, const years_type& y)
+      {
+        // get_neg_offset returns a negative duration, so we add
+        return d + y.get_neg_offset(d);
+      }
+      friend date_type operator-=(date_type& d, const years_type& y)
+      {
+        // get_neg_offset returns a negative duration, so we add
+        return d += y.get_neg_offset(d);
+      }
+
+    private:
+      int_rep _y;
+  };
+
+}} // namespace boost::date_time
+
+#endif // DATE_DURATION_TYPES_HPP___