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v2v/norm.hh
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25 
26 #ifndef MLN_FUN_V2V_NORM_HH
27 # define MLN_FUN_V2V_NORM_HH
28 
34 
35 // FIXME: Move to mln/fun/x2v/?
36 
37 # include <mln/core/concept/function.hh>
38 
39 # include <mln/norm/all.hh>
40 
41 
42 namespace mln
43 {
44 
45  namespace fun
46  {
47 
48  namespace v2v
49  {
50 
56  template <typename V, typename R>
57  struct l1_norm : public Function_v2v< l1_norm<V, R> >
58  {
59  typedef R result;
60  R operator()(const V& v) const;
61  };
62 
68  template <typename V, typename R>
69  struct l2_norm : public Function_v2v< l2_norm<V, R> >
70  {
71  typedef R result;
72  R operator()(const V& v) const;
73  };
74 
80  template <typename V, typename R>
81  struct linfty_norm : public Function_v2v< linfty_norm<V, R> >
82  {
83  typedef R result;
84  R operator()(const V& v) const;
85  };
86 
87 
88 # ifndef MLN_INCLUDE_ONLY
89 
90  template <typename V, typename R>
91  inline
92  R
93  l1_norm<V, R>::operator()(const V& v) const
94  {
95  return mln::norm::l1 (v);
96  }
97 
98  template <typename V, typename R>
99  inline
100  R
101  l2_norm<V, R>::operator()(const V& v) const
102  {
103  return mln::norm::l2 (v);
104  }
105 
106  template <typename V, typename R>
107  inline
108  R
109  linfty_norm<V, R>::operator()(const V& v) const
110  {
111  return mln::norm::linfty (v);
112  }
113 
114 # endif // ! MLN_INCLUDE_ONLY
115 
116  } // end of namespace mln::fun::v2v
117 
118  } // end of namespace mln::fun
119 
120 } // end of namespace mln
121 
122 
123 #endif // ! MLN_FUN_V2V_NORM_HH