From 56dfa3aa4a8d8005d54138072f4e5ff20b24f669 Mon Sep 17 00:00:00 2001
From: Sven Oesau <sven.oesau@geometryfactory.com>
Date: Wed, 13 Dec 2023 21:30:09 +0100
Subject: [PATCH] bug fix

---
 Kinetic_space_partition/include/CGAL/KSP/debug.h             | 4 ++--
 Kinetic_space_partition/include/CGAL/KSP_3/Data_structure.h  | 4 ++--
 Kinetic_space_partition/include/CGAL/KSP_3/FacePropagation.h | 2 +-
 Kinetic_space_partition/include/CGAL/KSP_3/Finalizer.h       | 2 +-
 Kinetic_space_partition/include/CGAL/KSP_3/Support_plane.h   | 4 ++--
 5 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/Kinetic_space_partition/include/CGAL/KSP/debug.h b/Kinetic_space_partition/include/CGAL/KSP/debug.h
index 89b0d75738c..03e3425f675 100644
--- a/Kinetic_space_partition/include/CGAL/KSP/debug.h
+++ b/Kinetic_space_partition/include/CGAL/KSP/debug.h
@@ -73,7 +73,7 @@ void dump_segmented_edges(const DS& data, const std::string tag = std::string())
   }
 
   for (const auto iedge : data.iedges()) {
-    CGAL_assertion(data.line_idx(iedge) != KSP::no_element());
+    CGAL_assertion(data.line_idx(iedge) != std::size_t(-1));
     *(out[data.line_idx(iedge)]) << "2 " << data.segment_3(iedge) << std::endl;
   }
 
@@ -1182,7 +1182,7 @@ void dump_cdt(
 
     const auto face = mesh.add_face(vertices);
     CGAL::Random rand(fit->info().index);
-    if (fit->info().index != KSP::no_element()) {
+    if (fit->info().index != std::size_t(-1)) {
       red[face]   = (unsigned char)(rand.get_int(32, 192));
       green[face] = (unsigned char)(rand.get_int(32, 192));
       blue[face]  = (unsigned char)(rand.get_int(32, 192));
diff --git a/Kinetic_space_partition/include/CGAL/KSP_3/Data_structure.h b/Kinetic_space_partition/include/CGAL/KSP_3/Data_structure.h
index 658f801ff20..d01bbfe9112 100644
--- a/Kinetic_space_partition/include/CGAL/KSP_3/Data_structure.h
+++ b/Kinetic_space_partition/include/CGAL/KSP_3/Data_structure.h
@@ -40,8 +40,8 @@ public:
   using Kernel = GeomTraits;
   using Intersection_kernel = IntersectionKernel;
 
-  using Support_plane = Support_plane<Kernel, Intersection_kernel>;
-  using Intersection_graph = Intersection_graph<Kernel, Intersection_kernel>;
+  using Support_plane = CGAL::KSP_3::internal::Support_plane<Kernel, Intersection_kernel>;
+  using Intersection_graph = CGAL::KSP_3::internal::Intersection_graph<Kernel, Intersection_kernel>;
   using Face_event = typename Support_plane::Face_event;
 
   using FT = typename Kernel::FT;
diff --git a/Kinetic_space_partition/include/CGAL/KSP_3/FacePropagation.h b/Kinetic_space_partition/include/CGAL/KSP_3/FacePropagation.h
index e59f6594b7f..4fc6fe910ad 100644
--- a/Kinetic_space_partition/include/CGAL/KSP_3/FacePropagation.h
+++ b/Kinetic_space_partition/include/CGAL/KSP_3/FacePropagation.h
@@ -44,7 +44,7 @@ private:
   using Direction_2 = typename Kernel::Direction_2;
   using Line_2 = typename Kernel::Line_2;
 
-  using Data_structure = Data_structure<Kernel, Intersection_kernel>;
+  using Data_structure = CGAL::KSP_3::internal::Data_structure<Kernel, Intersection_kernel>;
 
   using IVertex = typename Data_structure::IVertex;
   using IEdge = typename Data_structure::IEdge;
diff --git a/Kinetic_space_partition/include/CGAL/KSP_3/Finalizer.h b/Kinetic_space_partition/include/CGAL/KSP_3/Finalizer.h
index d8dcea9076f..b204c4fdccc 100644
--- a/Kinetic_space_partition/include/CGAL/KSP_3/Finalizer.h
+++ b/Kinetic_space_partition/include/CGAL/KSP_3/Finalizer.h
@@ -51,7 +51,7 @@ private:
 
   using From_exact = CGAL::Cartesian_converter<IntersectionKernel, Kernel>;
 
-  using Data_structure = Data_structure<Kernel, IntersectionKernel>;
+  using Data_structure = CGAL::KSP_3::internal::Data_structure<Kernel, IntersectionKernel>;
 
   using IVertex = typename Data_structure::IVertex;
   using IEdge = typename Data_structure::IEdge;
diff --git a/Kinetic_space_partition/include/CGAL/KSP_3/Support_plane.h b/Kinetic_space_partition/include/CGAL/KSP_3/Support_plane.h
index cae6c1ceecb..0681e13451e 100644
--- a/Kinetic_space_partition/include/CGAL/KSP_3/Support_plane.h
+++ b/Kinetic_space_partition/include/CGAL/KSP_3/Support_plane.h
@@ -53,7 +53,7 @@ public:
   using Triangle_2 = typename Kernel::Triangle_2;
 
   using Mesh = CGAL::Surface_mesh<Point_2>;
-  using Intersection_graph = Intersection_graph<Kernel, Intersection_kernel>;
+  using Intersection_graph = CGAL::KSP_3::internal::Intersection_graph<Kernel, Intersection_kernel>;
   using Bbox_2 = CGAL::Bbox_2;
 
   using IVertex = typename Intersection_graph::Vertex_descriptor;
@@ -218,7 +218,7 @@ public:
     CGAL_assertion(n != 0);
 
     m_data->k = 0;
-    m_data->plane = Plane_3(points[0], KSP::normalize(normal));
+    m_data->plane = Plane_3(points[0], KSP::internal::normalize(normal));
     m_data->exact_plane = to_exact(m_data->plane);
     m_data->is_bbox = is_bbox;
     m_data->distance_tolerance = 0;