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take.hh
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25 
26 #ifndef MLN_ACCU_TAKE_HH
27 # define MLN_ACCU_TAKE_HH
28 
32 
33 # include <mln/core/concept/accumulator.hh>
34 # include <mln/core/concept/image.hh>
35 # include <mln/util/pix.hh>
36 
37 // FIXME: to be removed? Seems to duplicate data::compute and
38 // set::compute. Moreover it does not work...
39 
40 namespace mln
41 {
42 
43  namespace accu
44  {
45 
47 
56  template <typename A, typename I>
57  void take(const Image<I>& input, Accumulator<A>& a);
58 
59 
60  // FIXME: Overload for point sets.
61 
62 
63 # ifndef MLN_INCLUDE_ONLY
64 
65  namespace impl
66  {
67 
68  template <typename A, typename I>
69  inline
70  void take(const Image<I>& input_, A& a)
71  {
72  const I& input = exact(input_);
73  mln_piter(I) p(input.domain());
74  for_all(p)
75  a.take(make::pix(input, p));
76  }
77 
78  // FIXME: We need an impl for pixels of fastest images.
79 
80  } // end of namespace mln::accu::impl
81 
82 
83  // Facade.
84 
85  template <typename A, typename I>
86  inline
87  void take(const Image<I>& input, Accumulator<A>& a)
88  {
89  mln_precondition(exact(input).is_valid());
90  impl::take(exact(input), exact(a));
91  }
92 
93 # endif // ! MLN_INCLUDE_ONLY
94 
95  } // end of namespace mln::accu
96 
97 } // end of namespace mln
98 
99 
100 #endif // ! MLN_ACCU_TAKE_HH