Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/torture/pr46383.C @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 84e7813d76e9 |
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// { dg-do compile } // { dg-additional-options "-Wno-return-type" } namespace std { template<class,class>struct pair{}; template<typename _Tp> struct _Vector_base { struct _Vector_impl { _Tp* _M_start; _Tp* _M_finish; _Tp* _M_end_of_storage; }; _Vector_impl _M_impl; }; template<typename _Tp > struct vector : _Vector_base<_Tp> { vector(const vector& __x); }; } namespace boost { struct G{}; template <class T, class U > struct modable2 : G { }; } namespace CGAL { struct Rep { }; struct Handle { Handle() ; Handle(const Handle& x) ; Rep* PTR; }; template <typename ET_> class Lazy_exact_nt : Handle , boost::modable2< Lazy_exact_nt<ET_>, int > , boost::modable2< Lazy_exact_nt<ET_>, double > { }; struct CC_iterator { }; struct Triangulation_data_structure_3 { typedef CC_iterator Vertex_handle; typedef CC_iterator Cell_handle; typedef std::pair<Cell_handle, int> Facet; }; template < class GT, class Tds_ > struct Triangulation_3 { typedef Tds_ Tds; typedef typename GT::Point_3 Point; typedef typename Tds::Facet Facet; typedef typename Tds::Vertex_handle Vertex_handle; enum Locate_type { VERTEX=0, EDGE, FACET, CELL, OUTSIDE_CONVEX_HULL, OUTSIDE_AFFINE_HULL }; Tds _tds; bool is_infinite(const Facet & f) const ; }; template < class Gt, class Tds_ > struct Delaunay_triangulation_3 : public Triangulation_3<Gt, Tds_> { }; namespace Surface_mesher { enum Verbose_flag { VERBOSE, NOT_VERBOSE }; } enum Mesher_level_conflict_status { NO_CONFLICT = 0, CONFLICT_BUT_ELEMENT_CAN_BE_RECONSIDERED, CONFLICT_AND_ELEMENT_SHOULD_BE_DROPPED }; struct Null_mesher_level { template <typename P, typename Z> Mesher_level_conflict_status test_point_conflict_from_superior(P, Z) ; }; template < class Tr, class Derived, class Element, class Previous, class Triangulation_traits > struct Mesher_level { typedef Tr Triangulation; typedef typename Triangulation::Point Point; typedef typename Triangulation::Vertex_handle Vertex_handle; typedef typename Triangulation_traits::Zone Zone; typedef Previous Previous_level; Derived& derived() { return static_cast<Derived&>(*this); } Previous& previous_level; Mesher_level(Previous_level& previous) : previous_level(previous) { } Vertex_handle insert(Point p, Zone& z) ; // { dg-warning "used but never defined" } Zone conflicts_zone(const Point& p, Element e) ; // { dg-warning "used but never defined" } Element get_next_element() ; // { dg-warning "used but never defined" } template <class Mesh_visitor> void before_insertion(Element& e, const Point& p, Zone& zone, Mesh_visitor visitor) { visitor.before_insertion(e, p, zone); } template <class Mesh_visitor> void after_insertion(Vertex_handle vh, Mesh_visitor visitor) { derived().after_insertion_impl(vh); } template <class Mesh_visitor> void after_no_insertion(const Element& e, const Point& p, Zone& zone, Mesh_visitor visitor) { visitor.after_no_insertion(e, p, zone); } template <class Mesh_visitor> void refine(Mesh_visitor visitor) { Element e = get_next_element(); const Mesher_level_conflict_status result = try_to_refine_element(e, visitor); } template <class Mesh_visitor> Mesher_level_conflict_status try_to_refine_element(Element e, Mesh_visitor visitor) { Point p ; Zone zone = conflicts_zone(p, e); const Mesher_level_conflict_status result = test_point_conflict(p, zone); before_insertion(e, p, zone, visitor); Vertex_handle v = insert(p, zone); after_insertion(v, visitor); after_no_insertion(e, p, zone, visitor); } Mesher_level_conflict_status test_point_conflict(const Point& p, Zone& zone) { return previous_level.test_point_conflict_from_superior(p, zone); } }; struct Null_mesh_visitor { template <typename E, typename P, typename Z> void before_insertion(E, P, Z) const {} template <typename E, typename P, typename Z> void after_no_insertion(E, P, Z) const {} }; template <class Tr> struct Triangulation_ref_impl { Triangulation_ref_impl(Tr& t); }; template <typename Tr> struct Triangulation_mesher_level_traits_3 : public Triangulation_ref_impl<Tr> { typedef typename Tr::Facet Facet; Triangulation_mesher_level_traits_3(Tr& t) : Triangulation_ref_impl<Tr>(t) { } struct Zone { typedef std::vector<int*> Cells; typedef std::vector<Facet> Facets; typedef typename Tr::Locate_type Locate_type; Locate_type locate_type; Cells cells; Facets boundary_facets; Facets internal_facets; }; }; namespace Surface_mesher { namespace details { template <typename Base> struct Triangulation_generator { typedef typename Base::Complex_2_in_triangulation_3 C2T3; typedef typename C2T3::Triangulation Triangulation; typedef Triangulation Type; typedef Type type; }; template <typename Base> struct Facet_generator { typedef typename Triangulation_generator<Base>::type Tr; typedef typename Tr::Facet Type; typedef Type type; }; template <typename Base, typename Self, typename Element, typename PreviousLevel = Null_mesher_level> struct Mesher_level_generator { typedef typename Base::Complex_2_in_triangulation_3 C2T3; typedef typename C2T3::Triangulation Triangulation; typedef Triangulation_mesher_level_traits_3<Triangulation> Tr_m_l_traits_3; typedef Mesher_level <Triangulation, Self, Element, PreviousLevel, Tr_m_l_traits_3> Type; }; } template < class C2T3, class Surface_, class SurfaceMeshTraits, class Criteria_ > struct Surface_mesher_base : public Triangulation_mesher_level_traits_3<typename C2T3::Triangulation> { typedef C2T3 Complex_2_in_triangulation_3; typedef Surface_ Surface; typedef SurfaceMeshTraits Surface_mesh_traits; typedef Criteria_ Criteria; typedef typename C2T3::Triangulation Tr; typedef typename Tr::Vertex_handle Vertex_handle; typedef typename Tr::Facet Facet; Surface_mesher_base (C2T3& co, const Surface& s, const Surface_mesh_traits& mesh_traits, const Criteria& c) : Triangulation_mesher_level_traits_3<Tr>(co.triangulation()), c2t3(co), tr(co.triangulation()), surf(s), meshtraits(mesh_traits), criteria(c) { } C2T3& c2t3; Tr& tr; const Surface& surf; const Surface_mesh_traits& meshtraits; const Criteria& criteria; void after_insertion_impl(const Vertex_handle& v) { after_insertion_handle_opposite_facet (Facet ()); after_insertion_handle_incident_facet (Facet ()); } void after_insertion_handle_incident_facet (const Facet& f) { tr.is_infinite(f) ; new_facet<false>(f); } template <bool remove_from_complex_if_not_in_restricted_Delaunay> void new_facet (const Facet& f) ; // { dg-warning "used but never defined" } void after_insertion_handle_opposite_facet (const Facet& f) { after_insertion_handle_incident_facet (f); } }; template < typename Base, typename Element = typename details::Facet_generator<Base>::type, typename PreviousLevel = Null_mesher_level, Verbose_flag verbose = NOT_VERBOSE > struct Surface_mesher : public Base , public details::Mesher_level_generator< Base, Surface_mesher<Base, Element, PreviousLevel, verbose>, Element, PreviousLevel >::Type { typedef typename Base::Complex_2_in_triangulation_3 C2T3; typedef typename Base::Surface Surface; typedef typename Base::Criteria Criteria; typedef typename Base::Surface_mesh_traits Surface_mesh_traits; typedef typename details::Mesher_level_generator< Base, Surface_mesher<Base, Element, PreviousLevel, verbose>, Element, PreviousLevel >::Type Mesher_lvl; using Mesher_lvl::refine; Null_mesher_level null_mesher_level; Null_mesh_visitor null_visitor; bool initialized; Surface_mesher(C2T3& c2t3, const Surface& surface, const Surface_mesh_traits& mesh_traits, const Criteria& criteria) : Base(c2t3, surface, mesh_traits, criteria), Mesher_lvl(null_mesher_level), initialized(false) { } void refine_mesh () { refine(null_visitor); } }; } template <typename Surface> struct Surface_mesh_traits_generator_3 { typedef typename Surface::Surface_mesher_traits_3 Type; typedef Type type; }; template < class Tr, typename Edge_info_ = void > struct Complex_2_in_triangulation_3 { typedef Tr Triangulation; Triangulation& triangulation(); }; template <class Tr> struct Surface_mesh_complex_2_in_triangulation_3 : public Complex_2_in_triangulation_3<Tr> { }; struct Non_manifold_tag {}; template < typename C2T3, typename SurfaceMeshTraits_3, typename Criteria, typename Tag > struct Make_surface_mesh_helper { typedef Surface_mesher::Surface_mesher_base< C2T3, typename SurfaceMeshTraits_3::Surface_3, SurfaceMeshTraits_3, Criteria> Mesher_base; }; template <typename C2T3, typename SurfaceMeshTraits_3, typename Criteria, typename Tag, Surface_mesher::Verbose_flag verbosity = Surface_mesher::NOT_VERBOSE > struct Surface_mesher_generator { typedef typename Make_surface_mesh_helper< C2T3, SurfaceMeshTraits_3, Criteria, Tag>::Mesher_base Mesher_base; typedef Surface_mesher::Surface_mesher< Mesher_base, typename Surface_mesher::details::Facet_generator<Mesher_base>::type, Null_mesher_level, verbosity> Mesher; typedef Mesher type; }; template <typename C2T3, typename SurfaceMeshTraits_3, typename Criteria> void make_surface_mesh(C2T3& c2t3, const typename SurfaceMeshTraits_3::Surface_3& surface, const SurfaceMeshTraits_3& surface_mesh_traits, const Criteria& criteria) { typedef typename Surface_mesher_generator< C2T3, SurfaceMeshTraits_3, Criteria, Non_manifold_tag, Surface_mesher::NOT_VERBOSE >::type Mesher; Mesher mesher(c2t3, surface, surface_mesh_traits, criteria); mesher.refine_mesh(); } template <class Kernel> struct Surface_mesh_triangulation_generator_3 { typedef CGAL::Triangulation_data_structure_3 Tds; typedef CGAL::Delaunay_triangulation_3<Kernel, Tds> Type; }; namespace Surface_mesher { namespace { struct Return_min { }; } template < class GT, class Surface, class Unused = Return_min > struct Implicit_surface_oracle_3 { typedef Surface Surface_3; }; } template< typename GT> struct Implicit_surface_3 { typedef GT Geom_traits; typedef Implicit_surface_3<Geom_traits > Self; typedef Surface_mesher::Implicit_surface_oracle_3< Geom_traits, Self> Surface_mesher_traits_3; }; } struct K { struct Point_3 { CGAL::Lazy_exact_nt<double> a[3]; }; }; typedef CGAL::Surface_mesh_triangulation_generator_3<K>::Type Tr; typedef CGAL::Surface_mesh_complex_2_in_triangulation_3<Tr> C2T3; typedef CGAL::Implicit_surface_3<K > Surface; typedef CGAL::Surface_mesh_traits_generator_3<Surface>::type Traits; void f() { C2T3 c2t3 ; CGAL::make_surface_mesh(c2t3, Surface(), Traits(), 3); }