Added boost header

test/external/boost/polygon/interval_traits.hpp

@@ -0,0 +1,33 @@
+/*
+  Copyright 2008 Intel Corporation
+ 
+  Use, modification and distribution are subject to the Boost Software License,
+  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+  http://www.boost.org/LICENSE_1_0.txt).
+*/
+#ifndef BOOST_POLYGON_INTERVAL_TRAITS_HPP
+#define BOOST_POLYGON_INTERVAL_TRAITS_HPP
+namespace boost { namespace polygon{
+  template <typename T>
+  struct interval_traits {
+    typedef typename T::coordinate_type coordinate_type;
+
+    static inline coordinate_type get(const T& interval, direction_1d dir) {
+      return interval.get(dir); 
+    }
+  };
+
+  template <typename T>
+  struct interval_mutable_traits {
+    static inline void set(T& interval, direction_1d dir, typename interval_traits<T>::coordinate_type value) {
+      interval.set(dir, value); 
+    }
+    static inline T construct(typename interval_traits<T>::coordinate_type low_value, 
+                              typename interval_traits<T>::coordinate_type high_value) {
+      return T(low_value, high_value); 
+    }
+  };
+}
+}
+#endif
+