1 files changed, 14 insertions, 4 deletions
diff --git a/boost/geometry/algorithms/detail/overlay/get_clusters.hpp b/boost/geometry/algorithms/detail/overlay/get_clusters.hpp
index 1e612d6577..2747fa68ba 100644
--- a/boost/geometry/algorithms/detail/overlay/get_clusters.hpp
+++ b/boost/geometry/algorithms/detail/overlay/get_clusters.hpp
@@ -35,19 +35,29 @@ namespace detail { namespace overlay
 template <typename Tag = no_rescale_policy_tag, bool Integral = false>
 struct sweep_equal_policy
 {
+private:
+    template <typename T>
+    static inline T threshold()
+    {
+        // Points within some epsilons are considered as equal.
+        return T(100);
+    }
+public:
+    // Returns true if point are considered equal (within an epsilon)
     template <typename P>
     static inline bool equals(P const& p1, P const& p2)
     {
-        // Points within a kilo epsilon are considered as equal
-        return approximately_equals(p1, p2, 1000.0);
+        using coor_t = typename coordinate_type<P>::type;
+        return approximately_equals(p1, p2, threshold<coor_t>());
     }
 
     template <typename T>
     static inline bool exceeds(T value)
     {
         // This threshold is an arbitrary value
-        // as long as it is than the used kilo-epsilon
-        return value > 1.0e-3;
+        // as long as it is bigger than the used value above
+        T const limit = T(1) / threshold<T>();
+        return value > limit;
     }
 };