move code to internal/experimental and example to test

also update test that was no longer compiling

Polygon_mesh_processing/examples/Polygon_mesh_processing/CMakeLists.txt

@@ -85,7 +85,6 @@ create_single_source_cgal_program( "detect_features_example.cpp" )
 create_single_source_cgal_program( "manifoldness_repair_example.cpp" )
 create_single_source_cgal_program( "repair_polygon_soup_example.cpp" )
 create_single_source_cgal_program( "mesh_smoothing_example.cpp")
-create_single_source_cgal_program( "clean_degeneracies.cpp" )
 
 if(OpenMesh_FOUND)
 create_single_source_cgal_program( "compute_normals_example_OM.cpp" )

Polygon_mesh_processing/include/CGAL/Polygon_mesh_processing/internal/remove_degeneracies.h

@@ -324,6 +324,8 @@ bool should_flip(typename boost::graph_traits<TriangleMesh>::edge_descriptor e,
 
 } // namespace internal
 
+namespace experimental {
+
 // @todo check what to use as priority queue with removable elements, set might not be optimal
 template <typename FaceRange, typename TriangleMesh, typename NamedParameters>
 bool remove_almost_degenerate_faces(const FaceRange& face_range,
@@ -704,6 +706,7 @@ bool remove_almost_degenerate_faces(TriangleMesh& tmesh,
                                         CGAL::parameters::all_default());
 }
 
+} // namespace experimental
 } // namespace Polygon_mesh_processing
 } // namespace CGAL
 

Polygon_mesh_processing/test/Polygon_mesh_processing/CMakeLists.txt

@@ -95,6 +95,7 @@ endif()
   create_single_source_cgal_program("remove_degeneracies_test.cpp")
   create_single_source_cgal_program("test_pmp_manifoldness.cpp")
   create_single_source_cgal_program("test_mesh_smoothing.cpp")
+  create_single_source_cgal_program("test_remove_caps_needles.cpp")
 
   if( TBB_FOUND )
     CGAL_target_use_TBB(test_pmp_distance)

Polygon_mesh_processing/test/Polygon_mesh_processing/test_remove_caps_needles.cpp

@@ -3,7 +3,7 @@
 
 #include <CGAL/Polygon_mesh_processing/self_intersections.h>
 #include <fstream>
-#include <CGAL/Polygon_mesh_processing/remove_degeneracies.h>
+#include <CGAL/Polygon_mesh_processing/internal/remove_degeneracies.h>
 
 #include <iostream>
 #include <vector>
@@ -32,8 +32,10 @@ int main(int argc, char** argv)
   if (PMP::does_self_intersect(mesh))
     std::cout << "Input mesh has self-intersections\n";
 
-  PMP::remove_almost_degenerate_faces(mesh);
-
+  PMP::experimental::remove_almost_degenerate_faces(mesh,
+                                                    std::cos(160. / 180 * CGAL_PI),
+                                                    4,
+                                                    0.14);
   std::ofstream out("cleaned_mesh.off");
   out << std::setprecision(17) << mesh;