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cw and ccw modified : %3 replaced by table

This commit is contained in:
Monique Teillaud 1998-09-17 08:52:42 +00:00
parent 320b70f5fc
commit c86b08b2ac
1 changed files with 31 additions and 12 deletions
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43
Packages/Triangulation_3/include/CGAL/Triangulation_ds_cell_3.h
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@ -36,13 +36,15 @@ class CGAL_Triangulation_ds_vertex;
template < class Vb, class Cb >
class CGAL_Triangulation_data_structure;
template < class Tds>
class CGAL_Triangulation_ds_iterator_base;
//template < class Tds>
//class CGAL_Triangulation_ds_iterator_base;
template < class Tds>
class CGAL_Triangulation_ds_cell_iterator;
template < class Tds>
class CGAL_Triangulation_ds_facet_iterator;
template < class Tds>
class CGAL_Triangulation_ds_edge_iterator;
template < class Tds>
class CGAL_Triangulation_ds_vertex_iterator;
template < class Vb, class Cb >
@ -51,12 +53,14 @@ class CGAL_Triangulation_ds_cell
{
friend class CGAL_Triangulation_data_structure<Vb,Cb>;
friend class CGAL_Triangulation_ds_iterator_base
<CGAL_Triangulation_data_structure<Vb,Cb> >;
// friend class CGAL_Triangulation_ds_iterator_base
// <CGAL_Triangulation_data_structure<Vb,Cb> >;
friend class CGAL_Triangulation_ds_cell_iterator
<CGAL_Triangulation_data_structure<Vb,Cb> >;
friend class CGAL_Triangulation_ds_facet_iterator
<CGAL_Triangulation_data_structure<Vb,Cb> >;
friend class CGAL_Triangulation_ds_edge_iterator
<CGAL_Triangulation_data_structure<Vb,Cb> >;
friend class CGAL_Triangulation_ds_vertex_iterator
<CGAL_Triangulation_data_structure<Vb,Cb> >;
@ -479,16 +483,31 @@ private:
// only for dimension 2
inline int ccw(int i) const
{
return (i+1) % 3;
}
// inline int ccw(int i) const
// {
// return (i+1) % 3;
// }
inline int cw(int i) const
{
return (i+2) % 3;
}
// inline int cw(int i) const
// {
// return (i+2) % 3;
// }
inline unsigned int ccw(const unsigned int i) const
{
CGAL_precondition( i== 0 || i == 1 || i==2 );
static const unsigned int tab_ccw[] = {1,2,0};
return tab_ccw[i];
}
inline unsigned int cw(const unsigned int i) const
{
CGAL_precondition( i== 0 || i == 1 || i==2 );
static const unsigned int tab_cw[] = {2,0,1};
return tab_cw[i];
}
void error_orient( Cell * n, int i) const
{
cerr << this->vertex(0)->point() << ", "