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fun/v2b/threshold.hh
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25 
26 #ifndef MLN_FUN_V2B_THRESHOLD_HH
27 # define MLN_FUN_V2B_THRESHOLD_HH
28 
32 
33 # include <mln/core/concept/function.hh>
34 
35 
36 namespace mln
37 {
38 
39  namespace fun
40  {
41 
42  namespace v2b
43  {
44 
47  template <typename V>
48  struct threshold : public Function_v2b< threshold<V> >
49  {
50  typedef bool result;
51  bool operator()(const V& v) const;
52 
53  threshold(const V& a);
54  V a;
55  };
56 
57 
58 # ifndef MLN_INCLUDE_ONLY
59 
60  template <typename V>
61  inline
62  threshold<V>::threshold(const V& a)
63  : a(a)
64  {
65  }
66 
67  template <typename V>
68  inline
69  bool
70  threshold<V>::operator()(const V& v) const
71  {
72  return v >= a;
73  }
74 
75 # endif // ! MLN_INCLUDE_ONLY
76 
77  } // end of namespace mln::fun::v2b
78 
79  } // end of namespace mln::fun
80 
81 } // end of namespace mln
82 
83 
84 #endif // ! MLN_FUN_V2B_THRESHOLD_HH