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1 // 1 //
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24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // G4PhysicsLinearVector class implementation <<
27 // 26 //
28 // Authors: << 27 // $Id$
29 // - 02 Dec. 1995, G.Cosmo: Structure created << 28 //
30 // - 03 Mar. 1996, K.Amako: Implemented the 1s << 29 //
31 // Revisions: << 30 //--------------------------------------------------------------------
32 // - 11 Nov. 2000, H.Kurashige: Use STL vector << 31 // GEANT 4 class implementation file
33 // ------------------------------------------- << 32 //
>> 33 // G4PhysicsLinearVector.cc
>> 34 //
>> 35 // 15 Feb 1996 - K.Amako : 1st version
>> 36 // 19 Jun 2009 - V.Ivanchenko : removed hidden bin
>> 37 //
>> 38 //--------------------------------------------------------------------
34 39
35 #include "G4PhysicsLinearVector.hh" 40 #include "G4PhysicsLinearVector.hh"
36 41
37 // ------------------------------------------- << 42 G4PhysicsLinearVector::G4PhysicsLinearVector()
38 G4PhysicsLinearVector::G4PhysicsLinearVector(G << 43 : G4PhysicsVector()
39 : G4PhysicsVector(spline) <<
40 { 44 {
41 type = T_G4PhysicsLinearVector; 45 type = T_G4PhysicsLinearVector;
42 } 46 }
43 47
44 // ------------------------------------------- << 48 G4PhysicsLinearVector::G4PhysicsLinearVector(size_t theNbin)
45 G4PhysicsLinearVector::G4PhysicsLinearVector(G << 49 : G4PhysicsVector()
46 s <<
47 : G4PhysicsVector(spline) <<
48 { 50 {
49 numberOfNodes = Nbin + 1; << 51 type = T_G4PhysicsLinearVector;
50 if (Nbin < 1 || Emin >= Emax) << 52
51 { << 53 numberOfNodes = theNbin + 1;
52 G4ExceptionDescription ed; << 54 dataVector.reserve(numberOfNodes);
53 ed << "G4PhysicsLinearVector with wrong pa << 55 binVector.reserve(numberOfNodes);
54 << " Emin= " << Emin << " Emax= " << Em << 56
55 G4Exception("G4PhysicsLinearVector::G4Phys << 57 for (size_t i=0; i<numberOfNodes; i++)
56 FatalException, ed, "theNbins <<
57 } <<
58 if (numberOfNodes < 2) <<
59 { 58 {
60 numberOfNodes = 2; << 59 binVector.push_back(0.0);
>> 60 dataVector.push_back(0.0);
61 } 61 }
>> 62 }
>> 63
>> 64 G4PhysicsLinearVector::G4PhysicsLinearVector(G4double theEmin,
>> 65 G4double theEmax, size_t theNbin)
>> 66 : G4PhysicsVector()
>> 67 {
62 type = T_G4PhysicsLinearVector; 68 type = T_G4PhysicsLinearVector;
63 69
64 binVector.resize(numberOfNodes); << 70 dBin = (theEmax-theEmin)/theNbin;
65 dataVector.resize(numberOfNodes, 0.0); << 71 baseBin = theEmin/dBin;
66 binVector[0] = Emin; << 72
67 binVector[numberOfNodes - 1] = Emax; << 73 numberOfNodes = theNbin + 1;
68 Initialise(); << 74 dataVector.reserve(numberOfNodes);
69 if (2 < numberOfNodes) << 75 binVector.reserve(numberOfNodes);
70 { << 76
71 for(std::size_t i = 1; i <= idxmax; ++i) << 77 binVector.push_back(theEmin);
>> 78 dataVector.push_back(0.0);
>> 79
>> 80 for (size_t i=1; i<numberOfNodes-1; i++)
72 { 81 {
73 binVector[i] = edgeMin + i / invdBin; << 82 binVector.push_back( theEmin + i*dBin );
>> 83 dataVector.push_back(0.0);
74 } 84 }
>> 85 binVector.push_back(theEmax);
>> 86 dataVector.push_back(0.0);
>> 87
>> 88 edgeMin = binVector[0];
>> 89 edgeMax = binVector[numberOfNodes-1];
>> 90
>> 91 }
>> 92
>> 93 G4PhysicsLinearVector::~G4PhysicsLinearVector(){}
>> 94
>> 95 G4bool G4PhysicsLinearVector::Retrieve(std::ifstream& fIn, G4bool ascii)
>> 96 {
>> 97 G4bool success = G4PhysicsVector::Retrieve(fIn, ascii);
>> 98 if (success)
>> 99 {
>> 100 G4double theEmin = binVector[0];
>> 101 dBin = binVector[1]-theEmin;
>> 102 baseBin = theEmin/dBin;
75 } 103 }
>> 104 return success;
76 } 105 }
77 106
78 // ------------------------------------------- << 107 void G4PhysicsLinearVector::ScaleVector(G4double factorE, G4double factorV)
79 void G4PhysicsLinearVector::Initialise() <<
80 { 108 {
81 idxmax = numberOfNodes - 2; << 109 G4PhysicsVector::ScaleVector(factorE, factorV);
82 edgeMin = binVector[0]; << 110 G4double theEmin = binVector[0];
83 edgeMax = binVector[numberOfNodes - 1]; << 111 dBin = binVector[1]-theEmin;
84 invdBin = (idxmax + 1) / (edgeMax - edgeMin) << 112 baseBin = theEmin/dBin;
85 } 113 }
86 114
87 // ------------------------------------------- << 115
>> 116 size_t G4PhysicsLinearVector::FindBinLocation(G4double theEnergy) const
>> 117 {
>> 118 // For G4PhysicsLinearVector, FindBinLocation is implemented using
>> 119 // a simple arithmetic calculation.
>> 120 //
>> 121 // Because this is a virtual function, it is accessed through a
>> 122 // pointer to the G4PhyiscsVector object for most usages. In this
>> 123 // case, 'inline' will not be invoked. However, there is a possibility
>> 124 // that the user access to the G4PhysicsLinearVector object directly and
>> 125 // not through pointers or references. In this case, the 'inline' will
>> 126 // be invoked. (See R.B.Murray, "C++ Strategies and Tactics", Chap.6.6)
>> 127
>> 128 return size_t( theEnergy/dBin - baseBin );
>> 129 }
88 130