A missing ref

Co-authored-by: Andreas Fabri <[email protected]>
CGAL · Sep 12, 2023 · b2c6cec · b2c6cec
1 parent ed521e0
commit b2c6cec
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Mesh_3/include/CGAL/Polyhedral_complex_mesh_domain_3.h b/Mesh_3/include/CGAL/Polyhedral_complex_mesh_domain_3.h
@@ -525,7 +525,7 @@ class Polyhedral_complex_mesh_domain_3
     }
 #define CGAL_USE_ALL_INTERSECTIONS 0
 #if CGAL_USE_ALL_INTERSECTIONS
-    boost::optional<AABB_primitive_id> shoot_a_ray_2(const Ray_3 ray) const {
+    boost::optional<AABB_primitive_id> shoot_a_ray_2(const Ray_3& ray) const {
       const Point_3& p = ray.source();
       typedef typename AABB_tree::
         template Intersection_and_primitive_id<Ray_3>::Type Inter_and_prim;