Gabriele Cosmo
76 lines
3.1 KiB
C++
76 lines
3.1 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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#include "G4ILawCommonTruncatedExp.hh"
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#include "G4Track.hh"
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#include "G4BOptnForceCommonTruncatedExp.hh"
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#include "G4BiasingProcessInterface.hh"
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G4ILawCommonTruncatedExp::G4ILawCommonTruncatedExp(G4String name)
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: G4VBiasingInteractionLaw(name),
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fExpInteractionLaw("expLawFor"+name)
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{}
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G4ILawCommonTruncatedExp::~G4ILawCommonTruncatedExp()
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{}
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G4double G4ILawCommonTruncatedExp::ComputeEffectiveCrossSectionAt(G4double distance) const
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{
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return fExpInteractionLaw.ComputeEffectiveCrossSectionAt( distance ) * fSelectedProcessXSfraction;
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}
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G4double G4ILawCommonTruncatedExp::ComputeNonInteractionProbabilityAt(G4double distance) const
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{
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G4double niProba = fExpInteractionLaw.ComputeNonInteractionProbabilityAt( distance );
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if ( niProba <= 0.0 )
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{
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G4ExceptionDescription ed;
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ed << " Negative probability for `" << GetName() << "' p = " << niProba << " distance = " << distance << " !!! " << G4endl;
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G4Exception(" G4ILawCommonTruncatedExp::ComputeNonInteractionProbabilityAt(...)",
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"BIAS.GEN.08",
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JustWarning,
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ed);
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}
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return niProba;
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}
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G4double G4ILawCommonTruncatedExp::SampleInteractionLength()
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{
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fInteractionDistance = fExpInteractionLaw.SampleInteractionLength();
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return fInteractionDistance;
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}
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G4double G4ILawCommonTruncatedExp::UpdateInteractionLengthForStep(G4double truePathLength)
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{
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fInteractionDistance = fExpInteractionLaw.UpdateInteractionLengthForStep(truePathLength);
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return fInteractionDistance;
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}
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