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apply.hh
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26 
27 #ifndef MLN_DATA_APPLY_HH
28 # define MLN_DATA_APPLY_HH
29 
35 # include <mln/core/concept/image.hh>
36 # include <mln/core/concept/function.hh>
37 
38 // Specializations are in:
39 # include <mln/data/apply.spe.hh>
40 
41 
42 namespace mln
43 {
44 
45  namespace data
46  {
47 
63  template <typename I, typename F>
64  void apply(Image<I>& input, const Function_v2v<F>& f);
65 
66 
67 
68 # ifndef MLN_INCLUDE_ONLY
69 
70  namespace impl
71  {
72 
73  namespace generic
74  {
75 
76  template <typename I, typename F>
77  inline
78  void apply_(I& input, const F& f)
79  {
80  mln_trace("data::impl::generic::apply_");
81 
82  mln_piter(I) p(input.domain());
83  for_all(p)
84  input(p) = f(input(p));
85 
86  }
87 
88  } // end of namespace mln::data::impl::generic
89 
90  } // end of namespace mln::data::impl
91 
92 
93  // Facade.
94 
95  template <typename I, typename F>
96  inline
97  void apply(Image<I>& input, const Function_v2v<F>& f)
98  {
99  mln_trace("data::apply");
100 
101  mln_precondition(exact(input).is_valid());
102  impl::apply_(mln_trait_image_speed(I)(), exact(input),
103  exact(f));
104 
105  }
106 
107 # endif // ! MLN_INCLUDE_ONLY
108 
109  } // end of namespace mln::data
110 
111 } // end of namespace mln
112 
113 
114 #endif // ! MLN_DATA_APPLY_HH