diff -r 820b22e13ff1 -r 39c28ec933dd imgtools/imglib/boostlibrary/boost/date_time/time_iterator.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imgtools/imglib/boostlibrary/boost/date_time/time_iterator.hpp	Mon May 10 19:54:49 2010 +0100
@@ -0,0 +1,52 @@
+#ifndef DATE_TIME_TIME_ITERATOR_HPP___
+#define DATE_TIME_TIME_ITERATOR_HPP___
+
+/* Copyright (c) 2002,2003 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: 2008-02-27 15:00:24 -0500 (Wed, 27 Feb 2008) $
+ */
+
+
+namespace boost {
+namespace date_time {
+  
+
+  //! Simple time iterator skeleton class
+  template<class time_type>
+  class time_itr {
+  public:
+    typedef typename time_type::time_duration_type time_duration_type;
+    time_itr(time_type t, time_duration_type d) : current_(t), offset_(d) {};
+    time_itr& operator++() 
+    {
+      current_ = current_ + offset_;
+      return *this;
+    }
+    time_itr& operator--() 
+    {
+      current_ = current_ - offset_;
+      return *this;
+    }
+    time_type operator*() {return current_;};
+    time_type* operator->() {return &current_;};
+    bool operator<  (const time_type& t) {return current_ < t;};
+    bool operator<= (const time_type& t) {return current_ <= t;};
+    bool operator!=  (const time_type& t) {return current_ != t;};
+    bool operator== (const time_type& t) {return current_ == t;};
+    bool operator>  (const time_type& t) {return current_ > t;};
+    bool operator>= (const time_type& t) {return current_ >= t;};
+    
+  private:
+    time_type current_;
+    time_duration_type offset_;
+  };
+  
+
+  
+} }//namespace date_time
+
+
+#endif