GHepFlags.h

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//____________________________________________________________________________
/*!
 
\class    genie::GHepFlag
 
\brief    An enumeration of event flags. Each represents a physical condition
          or a computational error. If any is set the event would be marked as
          unphysical.
 
\author   Costas Andreopoulos <c.andreopoulos \at cern.ch>
          University of Liverpool
 
\created  May 06, 2004
 
\cpright  Copyright (c) 2003-2025, The GENIE Collaboration
          For the full text of the license visit http://copyright.genie-mc.org
*/
//____________________________________________________________________________
 
#ifndef _GHEP_FLAGS_H_
#define _GHEP_FLAGS_H_
 
namespace genie {
 
  typedef enum EGHepFlag {
 
     kGenericErr      = 0,
     kPauliBlock      = 1,
     kBelowThrNRF     = 2,
     kBelowThrERF     = 3,
     kKineGenErr      = 4,
     kHadroSysGenErr  = 5,
     kLeptoGenErr     = 6,
     kDecayErr        = 7
 
  } GHepFlag_t;
 
class GHepFlags {
 
 public:
  //__________________________________________________________________________
  static const char * Describe(GHepFlag_t flag)
  {
     switch (flag) {
     case kGenericErr :
            return "Generic error";
            break;
     case kPauliBlock :
            return "Pauli-blocked event";
            break;
     case kBelowThrNRF :
            return "E<Ethr in hit nucleon rest frame";
            break;
     case kBelowThrERF :
            return "E<Ethr in hit e- rest frame";
            break;
     case kKineGenErr :
            return "Generic error in kinematic generation";
            break;
     case kHadroSysGenErr :
            return "Generic error in f/s hadronic system generation";
            break;
     case kLeptoGenErr :
            return "Generic error in f/s lepton generation";
            break;
     case kDecayErr :
            return "Generic error during unstable particle decay";
            break;
     default:
            return "Unknown GHEP flag";
            break;
     }
     return "Unknown GHEP flag";
  }
  //__________________________________________________________________________
  static unsigned int NFlags(void) { return 16; }
  //__________________________________________________________________________
};
 
}        // genie namespace
 
#endif   // _GHEP_FLAGS_H_