Constant.h

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00001 #if !defined CONSTANT_H
00002 #define CONSTANT_H
00003 
00004 #include <string>
00005 using namespace std;
00006 
00007 namespace MATH_CONSTANT
00008 {
00009         static const double PI                                          = 3.1415926535897932384626433832795;
00010         static const double SQRT2                                       = 1.4142135623730950488016887242096;
00011 }
00012 
00013 namespace PHYSICAL_CONSTANT
00014 {
00015         static const double PLANCK_CONSTANT                     = 6.62617E-34;
00016         static const double CELERITY                            = 299792458.;
00017 }
00018 
00019 namespace MONO_CONSTANT
00020 {
00021         static const double THETA_BRAGG_CONSTANT                        = 12.39841857;
00022         static const double SI111_MAILLE_PARAMETER_CONSTANT     = 5.4309;
00023 }
00024 
00025 #endif
00026 

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