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center_only_iter.hh
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26 
27 #ifndef MLN_TOPO_CENTER_ONLY_ITER_HH
28 # define MLN_TOPO_CENTER_ONLY_ITER_HH
29 
36 
37 # include <mln/topo/internal/complex_relative_iterator_base.hh>
38 # include <mln/topo/face.hh>
39 
40 
41 namespace mln
42 {
43 
44  namespace topo
45  {
46 
47  // Forward declaration.
48  template <unsigned D> class face;
49 
50 
51  /*----------------------------.
52  | topo::center_only_iter<D>. |
53  `----------------------------*/
54 
73  template <unsigned D>
75  : public internal::forward_complex_relative_iterator_base< topo::face<D>,
76  algebraic_face<D>,
77  center_only_iter<D> >
78  {
79  // Tech note: we use topo::face to help g++-2.95.
80  private:
81  typedef center_only_iter<D> self_;
82  typedef internal::forward_complex_relative_iterator_base< topo::face<D>,
84  self_ > super_;
85 
86  public:
90  template <typename Fref>
91  center_only_iter(const Fref& f_ref);
93 
95  void update_adj_faces_();
96  };
97 
98 
99 
100 # ifndef MLN_INCLUDE_ONLY
101 
102  /*----------------------------.
103  | topo::center_only_iter<D>. |
104  `----------------------------*/
105 
106  template <unsigned D>
107  inline
109  {
110  }
111 
112  template <unsigned D>
113  template <typename Fref>
114  inline
115  center_only_iter<D>::center_only_iter(const Fref& f_ref)
116  : super_(f_ref)
117  {
118  }
119 
120  template <unsigned D>
121  inline
122  void
123  center_only_iter<D>::update_adj_faces_()
124  {
125  mln_precondition(this->c_);
126  this->adj_faces_.clear();
127  this->adj_faces_.push_back(make_algebraic_face(*this->c_, true));
128  }
129 
130 # endif // ! MLN_INCLUDE_ONLY
131 
132  } // end of namespace mln::topo
133 
134 } // end of namespace mln
135 
136 #endif // ! MLN_TOPO_CENTER_ONLY_ITER_HH