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25 // 25 //
26 // G4PhysicsVector <<
27 // 26 //
28 // Class description: << 27 // $Id: G4PhysicsVector.hh,v 1.25 2009/11/04 11:32:43 vnivanch Exp $
>> 28 // GEANT4 tag $Name: geant4-09-03 $
29 // 29 //
30 // A physics vector which has values of energy << 30 //
31 // and other physics values of a particle in m << 31 //---------------------------------------------------------------
32 // range of energy, momentum, etc. << 32 // GEANT 4 class header file
33 // This class serves as the base class for a v << 33 //
34 // energy scale, for example like 'log', 'line << 34 // G4PhysicsVector.hh
35 << 35 //
36 // Authors: << 36 // Class description:
37 // - 02 Dec. 1995, G.Cosmo: Structure created << 37 //
38 // - 03 Mar. 1996, K.Amako: Implemented the 1s << 38 // A physics vector which has values of energy-loss, cross-section,
39 // Revisions: << 39 // and other physics values of a particle in matter in a given
40 // - 11 Nov. 2000, H.Kurashige: Use STL vector << 40 // range of the energy, momentum, etc.
41 // ------------------------------------------- << 41 // This class serves as the base class for a vector having various
42 #ifndef G4PhysicsVector_hh << 42 // energy scale, for example like 'log', 'linear', 'free', etc.
43 #define G4PhysicsVector_hh 1 << 43
>> 44 // History:
>> 45 // 02 Dec. 1995, G.Cosmo : Structure created based on object model
>> 46 // 03 Mar. 1996, K.Amako : Implemented the 1st version
>> 47 // 27 Apr. 1996, K.Amako : Cache mechanism added
>> 48 // 01 Jul. 1996, K.Amako : Now GetValue not virtual
>> 49 // 21 Sep. 1996, K.Amako : Added [] and () operators
>> 50 // 11 Nov. 2000, H.Kurashige : Use STL vector for dataVector and binVector
>> 51 // 09 Mar. 2001, H.Kurashige : Added G4PhysicsVectorType & Store/Retrieve()
>> 52 // 02 Apr. 2008, A.Bagulya : Added SplineInterpolation() and SetSpline()
>> 53 // 11 May 2009, V.Ivanchenko : Added ComputeSecondDerivatives
>> 54 // 19 Jun. 2009, V.Ivanchenko : Removed hidden bin
>> 55 //
>> 56 //---------------------------------------------------------------
>> 57
>> 58 #ifndef G4PhysicsVector_h
>> 59 #define G4PhysicsVector_h 1
44 60
45 #include <fstream> <<
46 #include <iostream> <<
47 #include <vector> 61 #include <vector>
>> 62 #include "globals.hh"
>> 63 #include "G4ios.hh"
>> 64 #include <iostream>
>> 65 #include <fstream>
48 66
49 #include "G4Log.hh" <<
50 #include "G4PhysicsVectorType.hh" 67 #include "G4PhysicsVectorType.hh"
51 #include "G4ios.hh" <<
52 #include "globals.hh" <<
53 68
54 class G4PhysicsVector << 69 class G4PhysicsVector
55 { 70 {
56 public: << 71 public:
57 // Default constructor - vector will be fill << 72
58 // Free vector may be filled via InsertValue << 73 G4PhysicsVector(G4bool spline = false);
59 explicit G4PhysicsVector(G4bool spline = fal << 74 // constructor
60 << 75 // This class is an abstract class with pure virtual method of
61 // Copy constructor and assignment operator << 76 // virtual size_t FindBinLocation(G4double theEnergy) const
62 G4PhysicsVector(const G4PhysicsVector&) = de << 77 // So, default constructor is not supposed to be invoked explicitly
63 G4PhysicsVector& operator=(const G4PhysicsVe << 78
64 << 79 G4PhysicsVector(const G4PhysicsVector&);
65 // not used operators << 80 G4PhysicsVector& operator=(const G4PhysicsVector&);
66 G4PhysicsVector(const G4PhysicsVector&&) = d << 81 // Copy constructor and assignment operator.
67 G4PhysicsVector& operator=(const G4PhysicsVe << 82
68 G4bool operator==(const G4PhysicsVector& rig << 83 public: // with description
69 G4bool operator!=(const G4PhysicsVector& rig << 84
70 << 85 virtual ~G4PhysicsVector();
71 virtual ~G4PhysicsVector() = default; << 86 // destructor
72 << 87
73 // Get the cross-section/energy-loss value c << 88 inline G4double Value(G4double theEnergy);
74 // given energy. An appropriate interpolatio << 89 // Get the cross-section/energy-loss value corresponding to the
75 // the value. Consumer code gets changed ind << 90 // given energy. An appropriate interpolation is used to calculate
76 // for the next call to save CPU for bin loc << 91 // the value.
77 inline G4double Value(const G4double energy, << 92
78 << 93 inline G4double GetValue(G4double theEnergy, G4bool& isOutRange);
79 // Get the cross-section/energy-loss value c << 94 // Obolete method to get value, isOutRange is not used anymore.
80 // given energy. An appropriate interpolatio << 95 // This method is kept for the compatibility reason.
81 // the value. This method should be used if << 96
82 // kept in the user code. << 97 G4int operator==(const G4PhysicsVector &right) const ;
83 inline G4double Value(const G4double energy) << 98 G4int operator!=(const G4PhysicsVector &right) const ;
84 << 99
85 // Obsolete method to get value, 'isOutRange << 100 inline G4double operator[](const size_t binNumber) const ;
86 // This method is kept for the compatibility << 101 // Returns simply the value in the bin specified by 'binNumber'
87 inline G4double GetValue(const G4double ener << 102 // of the dataVector. The boundary check will not be done.
88 << 103
89 // Same as the Value() method above but spec << 104 inline G4double operator()(const size_t binNumber) const ;
90 // Note, unlike the general Value() method a << 105 // Returns simply the value in the bin specified by 'binNumber'
91 // properly only for G4PhysicsLogVector. << 106 // of the dataVector. The boundary check will not be Done.
92 inline G4double LogVectorValue(const G4doubl << 107
93 const G4doubl << 108 inline void PutValue(size_t index, G4double theValue);
94 << 109 // Put 'theValue' into the bin specified by 'binNumber'.
95 // Same as the Value() method above but spec << 110 // Take note that the 'index' starts from '0'.
96 // with logarithmic seach of bin number << 111 // To fill the vector, you have beforehand to construct a vector
97 inline G4double LogFreeVectorValue(const G4d << 112 // by the constructor with Emin, Emax, Nbin. 'theValue' should
98 const G4d << 113 // be the crosssection/energyloss value corresponding to the
99 << 114 // energy of the index. You can get this energy by the next method
100 // Returns the value for the specified index << 115 // or by the old method GetLowEdgeEnergy().
101 // The boundary check will not be done << 116
102 inline G4double operator[](const std::size_t << 117 void ScaleVector(G4double factorE, G4double factorV);
103 inline G4double operator()(const std::size_t << 118 // Scale all values of the vector and second derivatives
104 << 119 // by factorV, energies by vectorE. This method may be applied
105 // Put data into the vector at 'index' posit << 120 // for example after Retrieve a vector from an external file to
106 // Take note that the 'index' starts from '0 << 121 // convert values into Geant4 units
107 // It is assumed that energies are already f << 122
108 inline void PutValue(const std::size_t index << 123 inline G4double Energy(size_t index) const;
109 << 124 // Returns simply the value in the energy specified by 'index'
110 // Returns the value in the energy specified << 125 // of the energy vector. The boundary check will not be done.
111 // of the energy vector. The boundary check << 126 // Use this function when you fill physis vector by PutValue().
112 // Use this when compute cross-section, dEdx << 127
113 // before filling the vector by PutValue(). << 128 virtual G4double GetLowEdgeEnergy(size_t binNumber) const;
114 inline G4double Energy(const std::size_t ind << 129 // Obsolete method
115 inline G4double GetLowEdgeEnergy(const std:: << 130 // Get the energy value at the low edge of the specified bin.
116 << 131 // Take note that the 'binNumber' starts from '0'.
117 // Returns the energy of the first and the l << 132 // This value should be defined before the call.
118 inline G4double GetMinEnergy() const; << 133 // The boundary check will not be done.
119 inline G4double GetMaxEnergy() const; << 134
120 << 135 inline size_t GetVectorLength() const;
121 // Returns the data of the first and the las << 136 // Get the toal length (bin number) of the vector.
122 // If the vector is empty returns zeros. << 137
123 inline G4double GetMinValue() const; << 138 void FillSecondDerivatives();
124 inline G4double GetMaxValue() const; << 139 // Initialise second derivatives for spline keeping
125 << 140 // 3d derivative continues - default algorithm
126 // Get the total length of the vector << 141
127 inline std::size_t GetVectorLength() const; << 142 void ComputeSecDerivatives();
128 << 143 // Initialise second derivatives for spline using algorithm
129 // Computes the lower index the energy bin i << 144 // which garantee only 1st derivative continues
130 // in case of vectors with equal bin widths << 145 // Warning: this method should be called when the vector
131 // Note, that no check on the boundary is pe << 146 // is already filled
132 inline std::size_t ComputeLogVectorBin(const << 147
133 << 148 void ComputeSecondDerivatives(G4double firstPointDerivative,
134 // Get physics vector type. << 149 G4double endPointDerivative);
135 inline G4PhysicsVectorType GetType() const; << 150 // Initialise second derivatives for spline using
136 << 151 // user defined 1st derivatives at edge points
137 // True if using spline interpolation. << 152 // Warning: this method should be called when the vector
138 inline G4bool GetSpline() const; << 153 // is already filled
139 << 154
140 // Define verbosity level. << 155 inline G4bool IsFilledVectorExist() const;
141 inline void SetVerboseLevel(G4int value); << 156 // Is non-empty physics vector already exist?
142 << 157
143 // Find energy using linear interpolation fo << 158 inline void PutComment(const G4String& theComment);
144 // filled by cumulative probability function << 159 // Put a comment to the G4PhysicsVector. This may help to check
145 // Assuming that vector is already filled. << 160 // whether your are accessing to the one you want.
146 inline G4double FindLinearEnergy(const G4dou << 161
147 << 162 inline const G4String& GetComment() const;
148 // Find low edge index of a bin for given en << 163 // Retrieve the comment of the G4PhysicsVector.
149 // Min value 0, max value idxmax. << 164
150 std::size_t FindBin(const G4double energy, s << 165 inline G4PhysicsVectorType GetType() const;
151 << 166 // Get physics vector type
152 // Scale all values of the vector by factorV << 167
153 // AFter this method FillSecondDerivatives(. << 168 inline void SetSpline(G4bool);
154 // This method may be applied for example af << 169 // Activate/deactivate Spline interpolation.
155 // from an external file to convert values i << 170
156 void ScaleVector(const G4double factorE, con << 171 virtual G4bool Store(std::ofstream& fOut, G4bool ascii=false);
157 << 172 virtual G4bool Retrieve(std::ifstream& fIn, G4bool ascii=false);
158 // This method should be called when the vec << 173 // To store/retrieve persistent data to/from file streams.
159 // There are 3 types of second derivative co << 174
160 // fSplineSimple - 2d derivative cont << 175 friend std::ostream& operator<<(std::ostream&, const G4PhysicsVector&);
161 // fSplineBase - 3d derivative cont << 176
162 // fSplineFixedEdges - 3d derivatives con << 177 protected:
163 // derivatives are fi << 178
164 void FillSecondDerivatives(const G4SplineTyp << 179 virtual size_t FindBinLocation(G4double theEnergy) const=0;
165 const G4double di << 180 // Find the bin# in which theEnergy belongs - pure virtual function
166 const G4double di << 181
167 << 182 void DeleteData();
168 // This method can be applied if both energy << 183 void CopyData(const G4PhysicsVector& vec);
169 // grow monotonically, for example, if in th << 184 // Internal methods for allowing copy of objects
170 // cumulative probability density function i << 185
171 G4double GetEnergy(const G4double value) con << 186 protected:
172 << 187
173 // To store/retrieve persistent data to/from << 188 typedef std::vector<G4double> G4PVDataVector;
174 G4bool Store(std::ofstream& fOut, G4bool asc << 189
175 G4bool Retrieve(std::ifstream& fIn, G4bool a << 190 G4PhysicsVectorType type; // The type of PhysicsVector (enumerator)
176 << 191
177 // Print vector << 192 G4double edgeMin; // Energy of first point
178 friend std::ostream& operator<<(std::ostream << 193 G4double edgeMax; // Energy of the last point
179 void DumpValues(G4double unitE = 1.0, G4doub << 194
180 << 195 size_t numberOfNodes;
181 protected: << 196
182 << 197 G4double lastEnergy; // Cache the last input value
183 // The default implements a free vector init << 198 G4double lastValue; // Cache the last output value
184 virtual void Initialise(); << 199 size_t lastBin; // Cache the last bin location
185 << 200
186 void PrintPutValueError(std::size_t index, G << 201 G4PVDataVector dataVector; // Vector to keep the crossection/energyloss
187 const G4String& text << 202 G4PVDataVector binVector; // Vector to keep energy
188 << 203 G4PVDataVector secDerivative; // Vector to keep second derivatives
189 private: << 204
190 << 205 private:
191 void ComputeSecDerivative0(); << 206
192 void ComputeSecDerivative1(); << 207 G4bool SplinePossible();
193 void ComputeSecDerivative2(const G4double fi << 208
194 const G4double en << 209 inline G4double LinearInterpolation();
195 // Internal methods for computing of spline << 210 // Linear interpolation function
196 << 211 inline G4double SplineInterpolation();
197 // Linear or spline interpolation. << 212 // Spline interpolation function
198 inline G4double Interpolation(const std::siz <<
199 const G4double <<
200 <<
201 // Assuming (edgeMin <= energy <= edgeMax). <<
202 inline std::size_t LogBin(const G4double ene <<
203 inline std::size_t BinaryBin(const G4double <<
204 inline std::size_t GetBin(const G4double ene <<
205 <<
206 protected: <<
207 <<
208 G4double edgeMin = 0.0; // Energy of first <<
209 G4double edgeMax = 0.0; // Energy of the la <<
210 <<
211 G4double invdBin = 0.0; // 1/Bin width for <<
212 G4double logemin = 0.0; // used only for lo <<
213 <<
214 G4double iBin1 = 0.0; // 1/Bin width for sc <<
215 G4double lmin1 = 0.0; // used for log searc <<
216 <<
217 G4int verboseLevel = 0; <<
218 std::size_t idxmax = 0; <<
219 std::size_t imax1 = 0; <<
220 std::size_t numberOfNodes = 0; <<
221 std::size_t nLogNodes = 0; <<
222 <<
223 G4PhysicsVectorType type = T_G4PhysicsFreeVe <<
224 // The type of PhysicsVector (enumerator) <<
225 <<
226 std::vector<G4double> binVector; // ene <<
227 std::vector<G4double> dataVector; // cro <<
228 std::vector<G4double> secDerivative; // sec <<
229 std::vector<std::size_t> scale; // log <<
230 213
231 private: << 214 inline void Interpolation();
232 215
233 G4bool useSpline = false; << 216 G4String comment;
>> 217 G4bool useSpline;
234 }; 218 };
235 219
236 #include "G4PhysicsVector.icc" 220 #include "G4PhysicsVector.icc"
237 221
238 #endif 222 #endif
239 223