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math/diff_abs.hh
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26 
27 #ifndef MLN_MATH_DIFF_ABS_HH
28 # define MLN_MATH_DIFF_ABS_HH
29 
35 
36 
37 namespace mln
38 {
39 
40  namespace math
41  {
42 
43  template <typename T>
44  T diff_abs(const T& v1, const T& v2);
45 
46 
47 # ifndef MLN_INCLUDE_ONLY
48 
49  template <typename T>
50  inline
51  T diff_abs(const T& v1, const T& v2)
52  {
53  return v1 > v2 ? v1 - v2 : v2 - v1;
54  }
55 
56 # endif // ! MLN_INCLUDE_ONLY
57 
58  } // end of namespace mln::math
59 
60 } // end of namespace mln
61 
62 
63 #endif // ! MLN_MATH_DIFF_ABS_HH