1 //--------------------------------------------------------------------------
4 // This software is part of the EvtGen package developed jointly
5 // for the BaBar and CLEO collaborations. If you use all or part
6 // of it, please give an appropriate acknowledgement.
8 // Copyright Information: See EvtGen/COPYRIGHT
9 // Copyright (C) 1998 Caltech, UCSB
11 // Module: EvtConst.cc
13 // Description: Routines to handle numerical constants in EvtGen
15 // Modification history:
17 // DJL/RYD August 8, 1998 Module created
19 //------------------------------------------------------------------------
21 #include "EvtGenBase/EvtPatches.hh"
22 #include "EvtGenBase/EvtConst.hh"
24 const double EvtConst::pi = 3.14159265358979323846;
25 const double EvtConst::twoPi = 2*pi;
26 const double EvtConst::radToDegrees = 180./pi;
28 const double EvtConst::c = 2.99792458E11; // mm/sec