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Merge pull request #5665 from GilesBathgate/Polyhedron_3_TDS_3-compare_handle_nullptr-GilesBathgate 

Polyhedron_3 and TDS_3 compare handle nullptr
This commit is contained in:
Laurent Rineau 2021-05-18 18:13:57 +02:00
parent 607dadcf2b b42bbded9b
commit bd98013623
4 changed files with 14 additions and 8 deletions
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14
Polyhedron/include/CGAL/Polyhedron_incremental_builder_3.h
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@ -402,7 +402,7 @@ protected:
CGAL_assertion( ! last_vertex);
HalfedgeDS_items_decorator<HDS> decorator;
Halfedge_handle e = get_vertex_to_edge_map( w);
if ( e != Halfedge_handle()) {
if ( e != nullptr) {
CGAL_assertion( e->vertex() == index_to_vertex_map[w]);
// check that the facet has no self intersections
if ( current_face != Face_handle()
@ -491,7 +491,7 @@ protected:
// Halfedge e points to a vertex w. Walk around w to find a hole
// in the facet structure. Report an error if none exist. Return
// the halfedge at this hole that points to the vertex w.
CGAL_assertion( e != Halfedge_handle());
CGAL_assertion( e != nullptr);
HalfedgeDS_items_decorator<HDS> decorator;
Halfedge_handle start_edge( e);
do {
@ -649,7 +649,7 @@ add_vertex_to_facet( std::size_t v2) {
Halfedge_handle hole = lookup_hole( v1);
if ( m_error)
return;
CGAL_assertion( hole != Halfedge_handle());
CGAL_assertion( hole != nullptr);
h2->opposite()->HBase::set_next( hole->next());
decorator.set_prev( hole->next(), h2->opposite());
hole->HBase::set_next( h1->opposite());
@ -689,7 +689,7 @@ add_vertex_to_facet( std::size_t v2) {
} while ( e->next() != prev && e != h1);
if ( e == h1) {
// disconnected facet complexes
if ( hole != Halfedge_handle()) {
if ( hole != nullptr) {
// The complex can be connected with
// the hole at hprime.
hprime->HBase::set_next( hole->next());
@ -763,8 +763,8 @@ test_facet_indices( std::vector< std::size_t> indices) {
// check if halfedge is already in the HDS and is not border halfedge
Halfedge_handle v = get_vertex_to_edge_map(indices[i]);
Vertex_handle w = index_to_vertex_map[indices[i+1]];
if ( v != Halfedge_handle()
&& get_vertex_to_edge_map(indices[i+1]) != Halfedge_handle()) {
if ( v != nullptr
&& get_vertex_to_edge_map(indices[i+1]) != nullptr) {
// cycle through halfedge-loop and find edge to indices[i+1]
Halfedge_handle vstart = v;
do {
@ -780,7 +780,7 @@ test_facet_indices( std::vector< std::size_t> indices) {
// tested for non-manifold halfedges already, we just need to check
// if the vertex indices[i] is not a closed manifold yet.
Halfedge_handle v = get_vertex_to_edge_map(indices[i]);
if ( v != Halfedge_handle()) {
if ( v != nullptr) {
Halfedge_handle vstart = v;
do {
v = v->next()->opposite();

4
STL_Extension/include/CGAL/In_place_list.h
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@ -86,6 +86,8 @@ namespace internal {
bool operator==( const Self& x) const { return node == x.node; }
bool operator!=( const Self& x) const { return node != x.node; }
bool operator==( std::nullptr_t) const { return node == nullptr; }
bool operator!=( std::nullptr_t) const { return node != nullptr; }
bool operator< ( const Self& x) const { return node< x.node; }
bool operator<=( const Self& x) const { return node<= x.node; }
bool operator> ( const Self& x) const { return node> x.node; }
@ -139,6 +141,8 @@ namespace internal {
bool operator==( const Self& x) const { return node == x.node; }
bool operator!=( const Self& x) const { return node != x.node; }
bool operator==( std::nullptr_t) const { return node == nullptr; }
bool operator!=( std::nullptr_t) const { return node != nullptr; }
bool operator< ( const Self& x) const { return node< x.node; }
bool operator<=( const Self& x) const { return node<= x.node; }
bool operator> ( const Self& x) const { return node> x.node; }

2
STL_Extension/include/CGAL/vector.h
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@ -109,6 +109,8 @@ public:
tmp += n;
return tmp.operator*();
}
bool operator==( std::nullptr_t) const { return ptr == nullptr; }
bool operator!=( std::nullptr_t) const { return ptr != nullptr; }
bool operator< ( const Self& i) const { return ( ptr < i.ptr); }
bool operator> ( const Self& i) const { return i < *this; }
bool operator<=( const Self& i) const { return !(i < *this); }

2
TDS_3/include/CGAL/Triangulation_data_structure_3.h
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@ -1924,7 +1924,7 @@ create_star_2(Vertex_handle v, Cell_handle c, int li )
// pnew is null at the first iteration
v1->set_cell(cnew);
//pnew->set_neighbor( cw(pnew->index(v1)), cnew );
if (pnew != Cell_handle()) { pnew->set_neighbor( 1, cnew );}
if (pnew != nullptr) { pnew->set_neighbor( 1, cnew );}
bound = cur;
i1 = ccw(i1);