G4ParticleLargerBeta.hh

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// $Id: G4ParticleLargerBeta.hh 70080 2013-05-22 22:46:28Z mkelsey $
//
// 20100112  M. Kelsey -- Add additional operator() which uses pointers,
//    also fix bug which returns wrong result
// 20110415  M. Kelsey -- Add additional operator() for G4CascadParticle
// 20130522  M. Kelsey -- Long-standing error: should be ">", not ">="

#ifndef G4ParticleLargerBeta_h
#define G4ParticleLargerBeta_h

#include "G4CascadParticle.hh"
#include "G4InuclElementaryParticle.hh"

#ifdef G4CASCADE_DEBUG_SORT
#include "G4ios.hh"
#endif

class G4ParticleLargerBeta {
public:
  G4bool operator() (const G4InuclElementaryParticle& part1,
         const G4InuclElementaryParticle& part2) {
#ifdef G4CASCADE_DEBUG_SORT
    G4cout << "part1 @ " << &part1 << ": " << part1
     << "part2 @ " << &part2 << ": " << part2
     << G4endl;
#endif
    return (part1.getMomModule()/part1.getEnergy() >
      part2.getMomModule()/part2.getEnergy()
      );
  }
 
  G4bool operator() (const G4InuclElementaryParticle* part1,
         const G4InuclElementaryParticle* part2) {
    return (part1 && part2 && operator()(*part1, *part2));
  }

  G4bool operator() (const G4CascadParticle& part1,
         const G4CascadParticle& part2) {
    return (operator()(part1.getParticle(), part2.getParticle()));
  }

  G4bool operator() (const G4CascadParticle* part1,
         const G4CascadParticle* part2) {
    return (part1 && part2 && operator()(*part1, *part2));
  }
};

#endif  /* G4ParticleLargerBeta_h */