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The perturbation must not be used in is_valid().

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This commit is contained in:
Laurent Rineau
2010-03-11 09:40:53 +00:00
parent 2cec212fa0
commit c2d00a4274
1 changed files with 4 additions and 4 deletions
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Triangulation_2/include/CGAL/Constrained_Delaunay_triangulation_2.h
+4 -4
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@@ -103,7 +103,7 @@ public:
// FLIPS
bool is_flipable(Face_handle f, int i) const;
bool is_flipable(Face_handle f, int i, bool perturb = true) const;
void flip(Face_handle& f, int i);
void flip_around(Vertex_handle va);
void flip_around(List_vertices & new_vertices);
@@ -371,13 +371,13 @@ public:
template < class Gt, class Tds, class Itag >
bool
Constrained_Delaunay_triangulation_2<Gt,Tds,Itag>::
is_flipable(Face_handle f, int i) const
is_flipable(Face_handle f, int i, bool perturb) const
// determines if edge (f,i) can be flipped
{
Face_handle ni = f->neighbor(i);
if (is_infinite(f) || is_infinite(ni)) return false;
if (f->is_constrained(i)) return false;
return (side_of_oriented_circle(ni, f->vertex(i)->point(), true)
return (side_of_oriented_circle(ni, f->vertex(i)->point(), perturb)
== ON_POSITIVE_SIDE);
}
@@ -672,7 +672,7 @@ is_valid(bool verbose, int level) const
Finite_faces_iterator fit= finite_faces_begin();
for (; fit != finite_faces_end(); fit++) {
for(int i=0;i<3;i++) {
result = result && !is_flipable(fit,i);
result = result && !is_flipable(fit,i, false);
CGAL_triangulation_assertion( result );
}
}