Imported Upstream version 1.72.0

[platform/upstream/boost.git] / boost / geometry / strategies / spherical / envelope_box.hpp

diff --git a/boost/geometry/strategies/spherical/envelope_box.hpp b/boost/geometry/strategies/spherical/envelope_box.hpp
index b7fa2eb..2b26c62 100644 (file)
--- a/boost/geometry/strategies/spherical/envelope_box.hpp
+++ b/boost/geometry/strategies/spherical/envelope_box.hpp
@@ -34,6 +34,8 @@ namespace strategy { namespace envelope
 struct spherical_box
     : geometry::detail::envelope::envelope_box_on_spheroid
 {
+    typedef spherical_tag cs_tag;
+
     typedef strategy::expand::spherical_box box_expand_strategy_type;
 
     static inline box_expand_strategy_type get_box_expand_strategy()