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morpho/plus.hh
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26 
27 #ifndef MLN_MORPHO_PLUS_HH
28 # define MLN_MORPHO_PLUS_HH
29 
37 # include <mln/data/compare.hh>
38 # include <mln/logical/or.hh>
39 # include <mln/arith/plus.hh>
40 
41 
42 namespace mln
43 {
44 
45  namespace morpho
46  {
47 
53  template <typename I, typename J>
54  mln_concrete(I) plus(const Image<I>& lhs, const Image<J>& rhs);
55 
56 
57 # ifndef MLN_INCLUDE_ONLY
58 
59  namespace impl
60  {
61 
62  // Binary => morphology on sets.
63 
64  template <typename I, typename J>
65  inline
66  mln_concrete(I) plus_(trait::image::kind::logic,
67  const I& lhs, const J& rhs)
68  {
69  return logical::or_(lhs, rhs);
70  }
71 
72  // Otherwise => morphology on functions.
73 
74  template <typename I, typename J>
75  inline
76  mln_concrete(I) plus_(trait::image::kind::any,
77  const I& lhs, const J& rhs)
78  {
79  return arith::plus<mln_value(I)>(lhs, rhs);
80  }
81 
82  } // end of namespace mln::morpho::impl
83 
84 
85  // Facades.
86 
87  template <typename I, typename J>
88  inline
89  mln_concrete(I) plus(const Image<I>& lhs, const Image<J>& rhs)
90  {
91  mln_trace("morpho::plus");
92  mln_precondition(exact(rhs).domain() == exact(lhs).domain());
93 
94  mln_concrete(I) output = impl::plus_(mln_trait_image_kind(I)(),
95  exact(lhs), exact(rhs));
96 
97  return output;
98  }
99 
100 # endif // ! MLN_INCLUDE_ONLY
101 
102  } // end of namespace mln::morpho
103 
104 } // end of namespace mln
105 
106 
107 #endif // ! MLN_MORPHO_PLUS_HH