mirror of https://github.com/CGAL/cgal
161 lines
4.4 KiB
C++
161 lines
4.4 KiB
C++
// Copyright (c) 2009 INRIA Sophia-Antipolis (France),
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//
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// This file is part of CGAL (www.cgal.org); you may redistribute it under
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// the terms of the Q Public License version 1.0.
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// See the file LICENSE.QPL distributed with CGAL.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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//
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// Author(s) : Samuel Hornus
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#ifndef CGAL_TRIANGULATION_SIMPLEX_H
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#define CGAL_TRIANGULATION_SIMPLEX_H
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#include <CGAL/Pure_complex_ds_simplex.h>
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#include <CGAL/Iterator_project.h>
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#include <CGAL/Default.h>
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namespace CGAL {
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struct No_simplex_data {};
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template< class PCTraits, typename Data_ = No_simplex_data, class TDSSimplex = Default >
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class Pure_complex_simplex : public Default::Get<TDSSimplex, Pure_complex_ds_simplex<> >::type
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{
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// The default type for TDSSimplex is Pure_complex_ds_simplex<> :
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typedef typename Default::Get<TDSSimplex, Pure_complex_ds_simplex<> >::type
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Base;
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typedef Pure_complex_simplex<PCTraits, Data_, TDSSimplex> Self;
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public:
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typedef Data_ Data;
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typedef typename Base::Vertex_handle Vertex_handle;
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typedef typename Base::Vertex_const_handle Vertex_const_handle;
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typedef typename Base::Vertex_handle_const_iterator Vertex_handle_const_iterator;
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typedef typename Base::Simplex_const_handle Simplex_const_handle;
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typedef typename PCTraits::Point_d Point;
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typedef typename PCTraits::Point_d Point_d;
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private: // DATA MEMBERS
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Data data_;
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public:
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using Base::vertices_begin;
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using Base::vertices_end;
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template< class TDS2 >
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struct Rebind_TDS
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{
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typedef typename Base::template Rebind_TDS<TDS2>::Other TDSSimplex2;
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typedef Pure_complex_simplex<PCTraits, Data_, TDSSimplex2> Other;
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};
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Pure_complex_simplex(const int d)
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: Base(d), data_() {}
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template< typename T >
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Pure_complex_simplex(const int d, const T & t)
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: Base(d), data_(t) {}
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Pure_complex_simplex(const Self & s)
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: Base(s), data_(s.data_) {}
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Point circumcenter() const
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{
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PCTraits pct;
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Vertex_handle_const_iterator vhit = vertices_begin();
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while( vhit != vertices_end() )
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{
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if( *vhit == Vertex_const_handle() )
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{
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CGAL_warning_msg(false, "too few points; can not compute circumcenter.");
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return Point();
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}
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++vhit;
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}
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return pct.center_of_sphere_d_object()(points_begin(), points_end());
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}
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const Data & data() const
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{
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return data_;
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}
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Data & data()
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{
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return data_;
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}
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struct Point_from_vertex_handle
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{
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typedef Vertex_handle argument_type;
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typedef Point result_type;
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result_type & operator()(argument_type & x) const
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{
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return x->point();
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}
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const result_type & operator()(const argument_type & x) const
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{
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return x->point();
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}
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};
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typedef CGAL::Iterator_project<Vertex_handle_const_iterator, Point_from_vertex_handle,
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const Point &, const Point *> Point_const_iterator;
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Point_const_iterator points_begin() const
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{ return Point_const_iterator(Base::vertices_begin()); }
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Point_const_iterator points_end() const
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{ return Point_const_iterator(Base::vertices_end()); }
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};
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// FUNCTIONS THAT ARE NOT MEMBER FUNCTIONS:
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std::istream &
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operator>>(std::istream & is, No_simplex_data &)
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{
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return is;
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}
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std::ostream &
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operator<<(std::ostream & os, const No_simplex_data & nd)
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{
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return os;
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}
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template < typename TDS, typename Data, typename SSP >
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std::ostream &
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operator<<(std::ostream & O, const Pure_complex_simplex<TDS, Data, SSP> & s)
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{
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/*if( is_ascii(O) )
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{
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// os << '\n';
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}
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else {}*/
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O << s.data();
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return O;
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}
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template < typename TDS, typename Data, typename SSP >
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std::istream &
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operator>>(std::istream & I, Pure_complex_simplex<TDS, Data, SSP> & s)
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{
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/*if( is_ascii(I) )
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{}
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else {}*/
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I >> s.data();
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return I;
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}
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} //namespace CGAL
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#endif // CGAL_TRIANGULATION_SIMPLEX_H
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