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neighb1d.hh
1 // Copyright (C) 2007, 2008, 2009 EPITA Research and Development Laboratory (LRDE)
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25 
26 #ifndef MLN_CORE_ALIAS_NEIGHB1D_HH
27 # define MLN_CORE_ALIAS_NEIGHB1D_HH
28 
33 
34 # include <cmath>
35 # include <mln/core/neighb.hh>
36 # include <mln/core/alias/window1d.hh>
37 
38 
39 namespace mln
40 {
41 
46  //
48 
49 
51 
61  const neighb1d& c2();
62 
63 
64 # ifndef MLN_INCLUDE_ONLY
65 
66  inline
67  const neighb1d& c2()
68  {
69  static neighb1d it;
70  if (it.size() == 0)
71  {
72  it.hook_win_()
73  .insert(dpoint1d(-1))
74  .insert(dpoint1d(+1));
75  }
76  return it;
77  }
78 
79 # endif // ! MLN_INCLUDE_ONLY
80 
81 } // end of namespace mln
82 
83 
84 #endif // ! MLN_CORE_ALIAS_NEIGHB1D_HH