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pi.hh
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2 // Laboratory (LRDE)
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26 
27 #ifndef MLN_MATH_PI_HH
28 # define MLN_MATH_PI_HH
29 
30 namespace mln
31 {
32 
33  namespace math
34  {
35 
38  extern const double pi;
39 
40 # ifndef MLN_INCLUDE_ONLY
41 
42 # ifndef MLN_WO_GLOBAL_VARS
43 
44  const double pi = 3.14159265358979323846;
45 
46 # endif // ! MLN_WO_GLOBAL_VARS
47 
48 # endif // ! MLN_INCLUDE_ONLY
49 
50  } // end of namespace mln::math
51 
52 } // end of namespace mln
53 
54 #endif // ! MLN_MATH_PI_HH