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data/abs.hh
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25 
26 #ifndef MLN_DATA_ABS_HH
27 # define MLN_DATA_ABS_HH
28 
35 # include <mln/fun/v2v/abs.hh>
36 # include <mln/data/apply.hh>
37 # include <mln/data/transform.hh>
38 
39 
40 namespace mln
41 {
42 
43  namespace data
44  {
45 
46 
52  template <typename I, typename O>
53  void abs(const Image<I>& input, Image<O>& output);
54 
55 
60  template <typename I>
61  void abs_inplace(Image<I>& input);
62 
63 
64 # ifndef MLN_INCLUDE_ONLY
65 
66  template <typename I, typename O>
67  inline
68  void abs(const Image<I>& input, Image<O>& output)
69  {
70  trace::entering("data::abs");
71 
72  mln_precondition(exact(input).domain() == exact(output).domain());
73  exact(output) = data::transform(input, fun::v2v::abs<mln_value(I)>());
74 
75  trace::exiting("data::abs");
76  }
77 
78  template <typename I>
79  inline
80  void abs_inplace(Image<I>& input)
81  {
82  trace::entering("data::abs_inplace");
83 
84  mln_precondition(exact(input).is_valid());
85  data::apply(input, fun::v2v::abs<mln_value(I)>());
86 
87  trace::exiting("data::abs_inplace");
88  }
89 
90 # endif // ! MLN_INCLUDE_ONLY
91 
92  } // end of namespace mln::data
93 
94 } // end of namespace mln
95 
96 
97 #endif // ! MLN_DATA_ABS_HH