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ninds.hh
1 // Copyright (C) 2007, 2008, 2009 EPITA Research and Development Laboratory (LRDE)
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25 
26 #ifndef MLN_GEOM_NINDS_HH
27 # define MLN_GEOM_NINDS_HH
28 
32 
33 # include <mln/geom/min_ind.hh>
34 # include <mln/geom/max_ind.hh>
35 
36 
37 namespace mln
38 {
39 
40  namespace geom
41  {
42 
44  template <typename I>
45  unsigned ninds(const Image<I>& ima);
46 
47 
48 # ifndef MLN_INCLUDE_ONLY
49 
50  template <typename I>
51  inline
52  unsigned ninds(const Image<I>& ima)
53  {
54  trace::entering("mln::geom::ninds");
55 
56  mln_precondition(exact(ima).is_valid());
57  unsigned ninds = geom::max_ind(ima) - geom::min_ind(ima) + 1;
58 
59  trace::exiting("mln::geom::ninds");
60  return ninds;
61  }
62 
63 # endif // ! MLN_INCLUDE_ONLY
64 
65  } // end of namespace mln::geom
66 
67 } // end of namespace mln
68 
69 
70 #endif // ! MLN_GEOM_NINDS_HH