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neighb1d.hh
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26 
27 #ifndef MLN_CORE_ALIAS_NEIGHB1D_HH
28 # define MLN_CORE_ALIAS_NEIGHB1D_HH
29 
34 
35 # include <cmath>
36 # include <mln/core/neighb.hh>
37 # include <mln/core/alias/window1d.hh>
38 
39 
40 namespace mln
41 {
42 
101 
102  typedef neighb<window1d> neighb1d;
104 
105 
107 
118  const neighb1d& c2();
119 
120 
121 # ifndef MLN_INCLUDE_ONLY
122 
123  inline
124  const neighb1d& c2()
125  {
126  static neighb1d it;
127  if (it.size() == 0)
128  {
129  it.hook_win_()
130  .insert(dpoint1d(-1))
131  .insert(dpoint1d(+1));
132  }
133  return it;
134  }
135 
136 # endif // ! MLN_INCLUDE_ONLY
137 
138 } // end of namespace mln
139 
140 
141 #endif // ! MLN_CORE_ALIAS_NEIGHB1D_HH