[fast-csg] Ditch ExactLazyNumbersVisitor (superseded by CorefinementV…

…isitor)

src/geometry/cgal/cgalutils-corefine.cc

@@ -5,55 +5,6 @@
 
 namespace CGALUtils {
 
-#if FAST_CSG_KERNEL_IS_LAZY
-
-/*! Visitor that forces exact numbers for the vertices of all the faces created during corefinement.
- */
-template <typename TriangleMesh>
-struct ExactLazyNumbersVisitor
-  : public PMP::Corefinement::Default_visitor<TriangleMesh> {
-  using GT = boost::graph_traits<TriangleMesh>;
-  using face_descriptor = typename GT::face_descriptor;
-  using halfedge_descriptor = typename GT::halfedge_descriptor;
-  using vertex_descriptor = typename GT::vertex_descriptor;
-
-#if CGAL_VERSION_NR >= CGAL_VERSION_NUMBER(5, 4, 0)
-  void new_vertex_added(std::size_t /*i_id*/, vertex_descriptor v, const TriangleMesh& tm) {
-    auto& pt = tm.point(v);
-    CGAL::exact(pt.x());
-    CGAL::exact(pt.y());
-    CGAL::exact(pt.z());
-  }
-#else
-  face_descriptor split_face;
-  std::vector<face_descriptor> created_faces;
-
-  void before_subface_creations(face_descriptor f_split, TriangleMesh& tm)
-  {
-    split_face = f_split;
-    created_faces.clear();
-  }
-
-  void after_subface_creations(TriangleMesh& mesh)
-  {
-    for (auto& fi : created_faces) {
-      CGAL::Vertex_around_face_iterator<TriangleMesh> vbegin, vend;
-      for (boost::tie(vbegin, vend) = vertices_around_face(mesh.halfedge(fi), mesh); vbegin != vend;
-           ++vbegin) {
-        auto& v = mesh.point(*vbegin);
-        CGAL::exact(v.x());
-        CGAL::exact(v.y());
-        CGAL::exact(v.z());
-      }
-    }
-    created_faces.clear();
-  }
-  void after_subface_created(face_descriptor fi, TriangleMesh& tm) { created_faces.push_back(fi); }
-#endif // if CGAL_VERSION_NR >= CGAL_VERSION_NUMBER(5, 4, 0)
-};
-
-#endif// FAST_CSG_KERNEL_IS_LAZY
-
 #define COREFINEMENT_FUNCTION(functionName, cgalFunctionName) \
         template <class TriangleMesh> \
         bool functionName(TriangleMesh &lhs, TriangleMesh &rhs, TriangleMesh &out) \