include/Geant4/G4ParticleLargerEkin.hh

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
0009 // * include a list of copyright holders.                             *
0010 // *                                                                  *
0011 // * Neither the authors of this software system, nor their employing *
0012 // * institutes,nor the agencies providing financial support for this *
0013 // * work  make  any representation or  warranty, express or implied, *
0014 // * regarding  this  software system or assume any liability for its *
0015 // * use.  Please see the license in the file  LICENSE  and URL above *
0016 // * for the full disclaimer and the limitation of liability.         *
0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
0020 // * By using,  copying,  modifying or  distributing the software (or *
0021 // * any work based  on the software)  you  agree  to acknowledge its *
0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 //
0027 // Implements a *reverse* sorting: std::sort expects a less-than operator
0028 // which returns true if arg1<arg2.  This function returns true if arg1>=arg2.
0029 //
0030 // 20091125  M. Kelsey -- Add additional operator() which uses pointers
0031 // 20110415  M. Kelsey -- Add additional operator() for G4CascadParticle
0032 // 20130522  M. Kelsey -- Long-standing error: should be ">", not ">="
0033
0034 #ifndef G4PARTICLE_LARGER_EKIN_HH
0035 #define G4PARTICLE_LARGER_EKIN_HH
0036
0037 #include "G4CascadParticle.hh"
0038 #include "G4InuclElementaryParticle.hh"
0039
0040 #ifdef G4CASCADE_DEBUG_SORT
0041 #include "G4ios.hh"
0042 #endif
0043
0044 class G4ParticleLargerEkin {
0045 public:
0046   G4bool operator() (const G4InuclElementaryParticle& part1,
0047              const G4InuclElementaryParticle& part2) {
0048 #ifdef G4CASCADE_DEBUG_SORT
0049     G4cout << "part1 @ " << &part1 << ": " << part1
0050        << "part2 @ " << &part2 << ": " << part2
0051        << G4endl;
0052 #endif
0053     return (part1.getKineticEnergy() > part2.getKineticEnergy());
0054   }
0055
0056   G4bool operator() (const G4InuclElementaryParticle* part1,
0057              const G4InuclElementaryParticle* part2) {
0058     return (part1 && part2 && operator()(*part1, *part2));
0059   }
0060
0061   G4bool operator() (const G4CascadParticle& part1,
0062              const G4CascadParticle& part2) {
0063     return (operator()(part1.getParticle(), part2.getParticle()));
0064   }
0065
0066   G4bool operator() (const G4CascadParticle* part1,
0067              const G4CascadParticle* part2) {
0068     return (part1 && part2 && operator()(*part1, *part2));
0069   }
0070 };
0071
0072 #endif // G4PARTICLE_LARGER_EKIN_HH