Added boost header

test/external/boost/polygon/point_traits.hpp

@@ -0,0 +1,35 @@
+/*
+  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_POINT_TRAITS_HPP
+#define BOOST_POLYGON_POINT_TRAITS_HPP
+
+#include "isotropy.hpp"
+
+namespace boost { namespace polygon{
+  template <typename T>
+  struct point_traits {
+    typedef typename T::coordinate_type coordinate_type;
+  
+    static inline coordinate_type get(const T& point, orientation_2d orient) {
+      return point.get(orient); 
+    }
+  };
+
+  template <typename T>
+  struct point_mutable_traits {
+    static inline void set(T& point, orientation_2d orient, typename point_traits<T>::coordinate_type value) {
+      point.set(orient, value); 
+    }
+    static inline T construct(typename point_traits<T>::coordinate_type x_value, typename point_traits<T>::coordinate_type y_value) {
+      return T(x_value, y_value); 
+    }
+  };
+}
+}
+#endif
+