From e15cbf41a4bdf1034bd3f8d98fd00ec95b1d60ee Mon Sep 17 00:00:00 2001
From: Menelaos Karavelas <menelaos.karavelas@gmail.com>
Date: Thu, 29 May 2014 14:53:51 +0300
Subject: [PATCH] [strategies] make default_strategy class commutative with
 respect to the order of the geometry tags

---
 .../cartesian/distance_projected_point.hpp       | 14 ++++++++++++++
 .../cartesian/distance_pythagoras_point_box.hpp  | 12 ++++++++++++
 .../spherical/distance_cross_track.hpp           | 16 ++++++++++++++++
 3 files changed, 42 insertions(+)

diff --git a/include/boost/geometry/strategies/cartesian/distance_projected_point.hpp b/include/boost/geometry/strategies/cartesian/distance_projected_point.hpp
index 25179ba21..5bcad4fee 100644
--- a/include/boost/geometry/strategies/cartesian/distance_projected_point.hpp
+++ b/include/boost/geometry/strategies/cartesian/distance_projected_point.hpp
@@ -251,6 +251,20 @@ struct default_strategy
     > type;
 };
 
+template <typename PointOfSegment, typename Point, typename Strategy>
+struct default_strategy
+    <
+        segment_tag, point_tag, PointOfSegment, Point,
+        cartesian_tag, cartesian_tag, Strategy
+    >
+{
+    typedef typename default_strategy
+        <
+            point_tag, segment_tag, Point, PointOfSegment,
+            cartesian_tag, cartesian_tag, Strategy
+        >::type type;
+};
+
 
 } // namespace services
 #endif // DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
diff --git a/include/boost/geometry/strategies/cartesian/distance_pythagoras_point_box.hpp b/include/boost/geometry/strategies/cartesian/distance_pythagoras_point_box.hpp
index 6b05ff014..af55415f8 100644
--- a/include/boost/geometry/strategies/cartesian/distance_pythagoras_point_box.hpp
+++ b/include/boost/geometry/strategies/cartesian/distance_pythagoras_point_box.hpp
@@ -322,6 +322,18 @@ struct default_strategy
     typedef pythagoras_point_box<> type;
 };
 
+template <typename Box, typename Point>
+struct default_strategy
+    <
+        box_tag, point_tag, Box, Point, cartesian_tag, cartesian_tag
+    >
+{
+    typedef typename default_strategy
+        <
+            point_tag, box_tag, Point, Box, cartesian_tag, cartesian_tag
+        >::type type;
+};
+
 
 } // namespace services
 #endif // DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
diff --git a/include/boost/geometry/strategies/spherical/distance_cross_track.hpp b/include/boost/geometry/strategies/spherical/distance_cross_track.hpp
index 87fac4811..6ffa4ff7c 100644
--- a/include/boost/geometry/strategies/spherical/distance_cross_track.hpp
+++ b/include/boost/geometry/strategies/spherical/distance_cross_track.hpp
@@ -306,6 +306,22 @@ struct default_strategy
 };
 
 
+template <typename PointOfSegment, typename Point, typename Strategy>
+struct default_strategy
+    <
+        segment_tag, point_tag, PointOfSegment, Point,
+        spherical_equatorial_tag, spherical_equatorial_tag,
+        Strategy
+    >
+{
+    typedef typename default_strategy
+        <
+            point_tag, segment_tag, Point, PointOfSegment,
+            spherical_equatorial_tag, spherical_equatorial_tag,
+            Strategy
+        >::type type;
+};
+
 
 } // namespace services
 #endif // DOXYGEN_NO_STRATEGY_SPECIALIZATIONS