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1 // 2 // ******************************************************************** 3 // * License and Disclaimer * 4 // * * 5 // * The Geant4 software is copyright of the Copyright Holders of * 6 // * the Geant4 Collaboration. It is provided under the terms and * 7 // * conditions of the Geant4 Software License, included in the file * 8 // * LICENSE and available at http://cern.ch/geant4/license . These * 9 // * include a list of copyright holders. * 10 // * * 11 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitation of liability. * 17 // * * 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************************************** 25 // 26 27 #ifndef G4NoProcess_h 28 #define G4NoProcess_h 1 29 30 #include "G4VProcess.hh" 31 32 class G4NoProcess : public G4VProcess { 33 public: 34 35 G4NoProcess() : G4VProcess( "NoProcess", fGeneral ) {}; 36 37 virtual ~G4NoProcess() {}; 38 39 // This process should not be set to any particle 40 virtual G4bool IsApplicable(const G4ParticleDefinition&) override { return false; } 41 42 // no operations in any GPIL or DoIt 43 virtual G4double PostStepGetPhysicalInteractionLength( 44 const G4Track&, 45 G4double, 46 G4ForceCondition* 47 ) override { return -1.0; }; 48 49 virtual G4VParticleChange* PostStepDoIt( 50 const G4Track& , 51 const G4Step& 52 ) override {return nullptr;}; 53 54 virtual G4double AtRestGetPhysicalInteractionLength( 55 const G4Track& , 56 G4ForceCondition* 57 ) override { return -1.0; }; 58 59 virtual G4VParticleChange* AtRestDoIt( 60 const G4Track& , 61 const G4Step& 62 ) override {return nullptr;}; 63 64 virtual G4double AlongStepGetPhysicalInteractionLength( 65 const G4Track&, 66 G4double , 67 G4double , 68 G4double& , 69 G4GPILSelection* 70 ) override { return -1.0; }; 71 72 virtual G4VParticleChange* AlongStepDoIt( 73 const G4Track& , 74 const G4Step& 75 ) override {return nullptr;}; 76 77 private: 78 79 // hide copy constr and assignment operator as private 80 G4NoProcess(G4NoProcess&); 81 G4NoProcess& operator=(const G4NoProcess& right); 82 83 }; 84 85 #endif 86