[fix] boostorg#1076

(cherry picked from commit c1b8dbb)
Mitsuhiko-Matsukawa · Oct 24, 2022 · ff4dca3 · ff4dca3
1 parent ca14e78
commit ff4dca3
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/include/boost/geometry/algorithms/detail/overlay/get_distance_measure.hpp b/include/boost/geometry/algorithms/detail/overlay/get_distance_measure.hpp
@@ -103,7 +103,12 @@ struct get_distance_measure<CalculationType, cartesian_tag>
 
         auto const line = detail::make::make_infinite_line<CalculationType>(p1, p2);
         result_type result;
-        result.measure = arithmetic::side_value(line, p);
+		if (equals(p, p1) || equals(p, p2)) {
+			result.measure = 0;
+		}
+		else {
+			result.measure = arithmetic::side_value(line, p);
+		}
         return result;
     }
 };