Units.h

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#ifndef AMPGEN_UNITS_H
#define AMPGEN_UNITS_H 1
#include "AmpGen/enum.h"
 
namespace AmpGen {
  static const double TeV = 1000;
  static const double GeV = 1;
  static const double MeV = 0.001;
  static const double KeV = 0.001 * 0.001;
  static const double eV = 0.001 * 0.001 * 0.001;
 
  static const double ms = 1000 * 1000;
  static const double us = 1000;
  static const double ns = 1;
  static const double ps = 0.001;
  static const double fs = 0.001 * 0.001;
 
  static const double mm = 1.0;
  static const double um = 0.001;
  static const double nm = 0.001 * 0.001;
  declare_enum(Units, TeV, GeV, MeV, KeV, eV, ms, us, ns, ps, fs);
  double to_double(const Units &unit);
}
#endif