Index: touches.hpp
===================================================================
--- touches.hpp	(revision 85862)
+++ touches.hpp	(working copy)
@@ -81,6 +81,15 @@
     return has_touch;
 }
 
+template <typename Geometry, typename Tag = typename tag<Geometry>::type>
+struct should_reverse { static const bool value = false; };
+template <typename Geometry>
+struct should_reverse<Geometry, geometry::polygon_tag> { static const bool value = geometry::point_order<Geometry>::value != clockwise; };
+template <typename Geometry>
+struct should_reverse<Geometry, geometry::ring_tag> { static const bool value = geometry::point_order<Geometry>::value != clockwise; };
+template <typename Geometry>
+struct should_reverse<Geometry, geometry::multi_polygon_tag> { static const bool value = geometry::point_order<typename boost::range_value<Geometry>::type>::value != clockwise; };
+
 }}
 
 /*!
@@ -164,7 +173,8 @@
     detail::get_turns::no_interrupt_policy policy;
     boost::geometry::get_turns
             <
-                false, false,
+                detail::touches::should_reverse<Geometry1>::value,
+                detail::touches::should_reverse<Geometry2>::value,
                 detail::overlay::assign_null_policy
             >(geometry1, geometry2, turns, policy);