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round.hh
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25 
26 #ifndef MLN_MATH_ROUND_HH
27 # define MLN_MATH_ROUND_HH
28 
32 
33 # include <cmath>
34 
35 # include <mln/core/concept/function.hh>
36 
37 
38 
39 namespace mln
40 {
41 
42  namespace math
43  {
44 
45 
46  template <typename R>
47  struct round : public Function_v2v< round<R> >
48  {
49  typedef R result;
50 
51  template <typename T>
52  result operator()(const T& v) const;
53 
54  };
55 
56 
57 # ifndef MLN_INCLUDE_ONLY
58 
59  template <typename R>
60  template <typename T>
61  inline
62  R round<R>::operator()(const T& v) const
63  {
64  return (long int)(v + 0.49999); // FIXME: !!!
65  }
66 
67 # endif // ! MLN_INCLUDE_ONLY
68 
69  } // end of namespace mln::math
70 
71 } // end of namespace mln
72 
73 
74 #endif // ! MLN_MATH_ROUND_HH