Gabriele Cosmo
89 lines
3.5 KiB
C++
89 lines
3.5 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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// G4PhysicsLogVector class implementation
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//
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// Authors:
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// - 02 Dec. 1995, G.Cosmo: Structure created based on object model
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// - 03 Mar. 1996, K.Amako: Implemented the 1st version
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// Revisions:
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// - 11 Nov. 2000, H.Kurashige : Use STL vector for dataVector and binVector
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// --------------------------------------------------------------------
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#include "G4PhysicsLogVector.hh"
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#include "G4Exp.hh"
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#include "G4Log.hh"
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// --------------------------------------------------------------------
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G4PhysicsLogVector::G4PhysicsLogVector(G4bool spline)
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: G4PhysicsVector(spline)
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{
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type = T_G4PhysicsLogVector;
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}
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// --------------------------------------------------------------------
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G4PhysicsLogVector::G4PhysicsLogVector(G4double Emin, G4double Emax,
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std::size_t Nbin, G4bool spline)
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: G4PhysicsVector(spline)
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{
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numberOfNodes = Nbin + 1;
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if(Nbin < 2 || Emin >= Emax || Emin <= 0.0)
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{
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G4ExceptionDescription ed;
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ed << "G4PhysicsLogVector with wrong parameters: theNbin= " << Nbin
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<< " Emin= " << Emin << " Emax= " << Emax;
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G4Exception("G4PhysicsLogVector::G4PhysicsLogVector()", "glob03",
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FatalException, ed, "Nbins should be > 1 and Emax > Emin > 0");
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}
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if(numberOfNodes < 3)
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{
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numberOfNodes = 3;
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}
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type = T_G4PhysicsLogVector;
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binVector.resize(numberOfNodes);
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dataVector.resize(numberOfNodes, 0.0);
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binVector[0] = Emin;
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binVector[numberOfNodes - 1] = Emax;
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Initialise();
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for(std::size_t i = 1; i <= idxmax; ++i)
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{
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binVector[i] = edgeMin*G4Exp(i / invdBin);
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}
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}
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// --------------------------------------------------------------------
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void G4PhysicsLogVector::Initialise()
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{
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idxmax = numberOfNodes - 2;
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edgeMin = binVector[0];
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edgeMax = binVector[numberOfNodes - 1];
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invdBin = (idxmax + 1) / G4Log(edgeMax/edgeMin);
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logemin = G4Log(edgeMin);
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}
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// --------------------------------------------------------------------
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