| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // G4PhysicsLinearVector class implementation <<
27 // 26 //
28 // Authors: << 27 // $Id: G4PhysicsLinearVector.cc,v 1.18 2010-05-28 05:13:43 kurasige Exp $
29 // - 02 Dec. 1995, G.Cosmo: Structure created << 28 // GEANT4 tag $Name: not supported by cvs2svn $
30 // - 03 Mar. 1996, K.Amako: Implemented the 1s << 29 //
31 // Revisions: << 30 //
32 // - 11 Nov. 2000, H.Kurashige: Use STL vector << 31 //--------------------------------------------------------------------
33 // ------------------------------------------- << 32 // GEANT 4 class implementation file
>> 33 //
>> 34 // G4PhysicsLinearVector.cc
>> 35 //
>> 36 // 15 Feb 1996 - K.Amako : 1st version
>> 37 // 19 Jun 2009 - V.Ivanchenko : removed hidden bin
>> 38 //
>> 39 //--------------------------------------------------------------------
34 40
35 #include "G4PhysicsLinearVector.hh" 41 #include "G4PhysicsLinearVector.hh"
36 42
37 // ------------------------------------------- << 43 G4PhysicsLinearVector::G4PhysicsLinearVector()
38 G4PhysicsLinearVector::G4PhysicsLinearVector(G << 44 : G4PhysicsVector()
39 : G4PhysicsVector(spline) <<
40 { 45 {
41 type = T_G4PhysicsLinearVector; 46 type = T_G4PhysicsLinearVector;
42 } 47 }
43 48
44 // ------------------------------------------- << 49 G4PhysicsLinearVector::G4PhysicsLinearVector(size_t theNbin)
45 G4PhysicsLinearVector::G4PhysicsLinearVector(G << 50 : G4PhysicsVector()
46 s <<
47 : G4PhysicsVector(spline) <<
48 { 51 {
49 numberOfNodes = Nbin + 1; << 52 type = T_G4PhysicsLinearVector;
50 if (Nbin < 1 || Emin >= Emax) << 53
51 { << 54 numberOfNodes = theNbin + 1;
52 G4ExceptionDescription ed; << 55 dataVector.reserve(numberOfNodes);
53 ed << "G4PhysicsLinearVector with wrong pa << 56 binVector.reserve(numberOfNodes);
54 << " Emin= " << Emin << " Emax= " << Em << 57
55 G4Exception("G4PhysicsLinearVector::G4Phys << 58 for (size_t i=0; i<numberOfNodes; i++)
56 FatalException, ed, "theNbins <<
57 } <<
58 if (numberOfNodes < 2) <<
59 { 59 {
60 numberOfNodes = 2; << 60 binVector.push_back(0.0);
>> 61 dataVector.push_back(0.0);
61 } 62 }
>> 63 }
>> 64
>> 65 G4PhysicsLinearVector::G4PhysicsLinearVector(G4double theEmin,
>> 66 G4double theEmax, size_t theNbin)
>> 67 : G4PhysicsVector()
>> 68 {
62 type = T_G4PhysicsLinearVector; 69 type = T_G4PhysicsLinearVector;
63 70
64 binVector.resize(numberOfNodes); << 71 dBin = (theEmax-theEmin)/theNbin;
65 dataVector.resize(numberOfNodes, 0.0); << 72 baseBin = theEmin/dBin;
66 binVector[0] = Emin; << 73
67 binVector[numberOfNodes - 1] = Emax; << 74 numberOfNodes = theNbin + 1;
68 Initialise(); << 75 dataVector.reserve(numberOfNodes);
69 if (2 < numberOfNodes) << 76 binVector.reserve(numberOfNodes);
70 { << 77
71 for(std::size_t i = 1; i <= idxmax; ++i) << 78 binVector.push_back(theEmin);
>> 79 dataVector.push_back(0.0);
>> 80
>> 81 for (size_t i=1; i<numberOfNodes-1; i++)
72 { 82 {
73 binVector[i] = edgeMin + i / invdBin; << 83 binVector.push_back( theEmin + i*dBin );
>> 84 dataVector.push_back(0.0);
74 } 85 }
>> 86 binVector.push_back(theEmax);
>> 87 dataVector.push_back(0.0);
>> 88
>> 89 edgeMin = binVector[0];
>> 90 edgeMax = binVector[numberOfNodes-1];
>> 91
>> 92 }
>> 93
>> 94 G4PhysicsLinearVector::~G4PhysicsLinearVector(){}
>> 95
>> 96 G4bool G4PhysicsLinearVector::Retrieve(std::ifstream& fIn, G4bool ascii)
>> 97 {
>> 98 G4bool success = G4PhysicsVector::Retrieve(fIn, ascii);
>> 99 if (success)
>> 100 {
>> 101 G4double theEmin = binVector[0];
>> 102 dBin = binVector[1]-theEmin;
>> 103 baseBin = theEmin/dBin;
75 } 104 }
>> 105 return success;
76 } 106 }
77 107
78 // ------------------------------------------- << 108 void G4PhysicsLinearVector::ScaleVector(G4double factorE, G4double factorV)
79 void G4PhysicsLinearVector::Initialise() <<
80 { 109 {
81 idxmax = numberOfNodes - 2; << 110 G4PhysicsVector::ScaleVector(factorE, factorV);
82 edgeMin = binVector[0]; << 111 G4double theEmin = binVector[0];
83 edgeMax = binVector[numberOfNodes - 1]; << 112 dBin = binVector[1]-theEmin;
84 invdBin = (idxmax + 1) / (edgeMax - edgeMin) << 113 baseBin = theEmin/dBin;
85 } 114 }
86 115
87 // ------------------------------------------- << 116
>> 117 size_t G4PhysicsLinearVector::FindBinLocation(G4double theEnergy) const
>> 118 {
>> 119 // For G4PhysicsLinearVector, FindBinLocation is implemented using
>> 120 // a simple arithmetic calculation.
>> 121 //
>> 122 // Because this is a virtual function, it is accessed through a
>> 123 // pointer to the G4PhyiscsVector object for most usages. In this
>> 124 // case, 'inline' will not be invoked. However, there is a possibility
>> 125 // that the user access to the G4PhysicsLinearVector object directly and
>> 126 // not through pointers or references. In this case, the 'inline' will
>> 127 // be invoked. (See R.B.Murray, "C++ Strategies and Tactics", Chap.6.6)
>> 128
>> 129 return size_t( theEnergy/dBin - baseBin );
>> 130 }
88 131