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25 // 25 //
26 // G4PhysicsVector <<
27 // 26 //
28 // Class description: <<
29 // 27 //
30 // A physics vector which has values of energy << 28 //
31 // and other physics values of a particle in m << 29 //---------------------------------------------------------------
32 // range of energy, momentum, etc. << 30 // GEANT 4 class header file
33 // This class serves as the base class for a v << 31 //
34 // energy scale, for example like 'log', 'line << 32 // G4PhysicsVector.hh
35 << 33 //
36 // Authors: << 34 // Class description:
37 // - 02 Dec. 1995, G.Cosmo: Structure created << 35 //
38 // - 03 Mar. 1996, K.Amako: Implemented the 1s << 36 // A physics vector which has values of energy-loss, cross-section,
39 // Revisions: << 37 // and other physics values of a particle in matter in a given
40 // - 11 Nov. 2000, H.Kurashige: Use STL vector << 38 // range of the energy, momentum, etc.
41 // ------------------------------------------- << 39 // This class serves as the base class for a vector having various
42 #ifndef G4PhysicsVector_hh << 40 // energy scale, for example like 'log', 'linear', 'free', etc.
43 #define G4PhysicsVector_hh 1 << 41
>> 42 // History:
>> 43 // 02 Dec. 1995, G.Cosmo : Structure created based on object model
>> 44 // 03 Mar. 1996, K.Amako : Implemented the 1st version
>> 45 // 27 Apr. 1996, K.Amako : Cache mechanism added
>> 46 // 01 Jul. 1996, K.Amako : Now GetValue not virtual
>> 47 // 21 Sep. 1996, K.Amako : Added [] and () operators
>> 48 // 11 Nov. 2000, H.Kurashige : Use STL vector for dataVector and binVector
>> 49 // 09 Mar. 2001, H.Kurashige : Added G4PhysicsVectorType & Store/Retrieve()
>> 50 // 02 Apr. 2008, A.Bagulya : Added SplineInterpolation() and SetSpline()
>> 51 // 11 May 2009, V.Ivanchenko : Added ComputeSecondDerivatives
>> 52 // 19 Jun. 2009, V.Ivanchenko : Removed hidden bin
>> 53 // 22 Dec. 2009 H.Kurashige : Use pointers to G4PVDataVector
>> 54 // 04 May. 2010 H.Kurashige : Use G4PhysicsVectorCache
>> 55 // 28 May 2010 H.Kurashige : Stop using pointers to G4PVDataVector
>> 56 // 16 Aug. 2011 H.Kurashige : Add dBin, baseBin and verboseLevel
>> 57 // 02 Oct. 2013 V.Ivanchenko : FindBinLocation method become inlined;
>> 58 // instead of G4Pow G4Log is used
>> 59 //---------------------------------------------------------------
>> 60
>> 61 #ifndef G4PhysicsVector_h
>> 62 #define G4PhysicsVector_h 1
44 63
45 #include <fstream> <<
46 #include <iostream> 64 #include <iostream>
>> 65 #include <fstream>
47 #include <vector> 66 #include <vector>
48 67
49 #include "G4Log.hh" <<
50 #include "G4PhysicsVectorType.hh" <<
51 #include "G4ios.hh" <<
52 #include "globals.hh" 68 #include "globals.hh"
>> 69 #include "G4ios.hh"
>> 70 #include "G4PhysicsVectorType.hh"
>> 71 #include "G4Log.hh"
>> 72
>> 73 typedef std::vector<G4double> G4PVDataVector;
53 74
54 class G4PhysicsVector << 75 class G4PhysicsVector
55 { 76 {
56 public: << 77 public:// with description
57 // Default constructor - vector will be fill << 78
58 // Free vector may be filled via InsertValue << 79 explicit G4PhysicsVector(G4bool spline = false);
59 explicit G4PhysicsVector(G4bool spline = fal << 80 // default constructor - vector will be filled via Retrieve() method
60 << 81
61 // Copy constructor and assignment operator << 82 G4PhysicsVector(const G4PhysicsVector&);
62 G4PhysicsVector(const G4PhysicsVector&) = de << 83 G4PhysicsVector& operator=(const G4PhysicsVector&);
63 G4PhysicsVector& operator=(const G4PhysicsVe << 84 // Copy constructor and assignment operator.
64 << 85
65 // not used operators << 86 virtual ~G4PhysicsVector();
66 G4PhysicsVector(const G4PhysicsVector&&) = d << 87
67 G4PhysicsVector& operator=(const G4PhysicsVe << 88 G4double Value(G4double theEnergy, size_t& lastidx) const;
68 G4bool operator==(const G4PhysicsVector& rig << 89 // Get the cross-section/energy-loss value corresponding to the
69 G4bool operator!=(const G4PhysicsVector& rig << 90 // given energy. An appropriate interpolation is used to calculate
70 << 91 // the value. Consumer code got changed index and may reuse it
71 virtual ~G4PhysicsVector() = default; << 92 // for the next call to save CPU for bin location.
72 << 93
73 // Get the cross-section/energy-loss value c << 94 inline G4double Value(G4double theEnergy) const;
74 // given energy. An appropriate interpolatio << 95 // Get the cross-section/energy-loss value corresponding to the
75 // the value. Consumer code gets changed ind << 96 // given energy. An appropriate interpolation is used to calculate
76 // for the next call to save CPU for bin loc << 97 // the value. This method is kept for backward compatibility reason,
77 inline G4double Value(const G4double energy, << 98 // it should be used instead of the previous method if bin location
78 << 99 // cannot be kept thread safe
79 // Get the cross-section/energy-loss value c << 100
80 // given energy. An appropriate interpolatio << 101 inline G4double GetValue(G4double theEnergy, G4bool& isOutRange) const;
81 // the value. This method should be used if << 102 // Obsolete method to get value, isOutRange is not used anymore.
82 // kept in the user code. << 103 // This method is kept for the compatibility reason.
83 inline G4double Value(const G4double energy) << 104
84 << 105 G4bool operator==(const G4PhysicsVector &right) const ;
85 // Obsolete method to get value, 'isOutRange << 106 G4bool operator!=(const G4PhysicsVector &right) const ;
86 // This method is kept for the compatibility << 107
87 inline G4double GetValue(const G4double ener << 108 inline G4double operator[](const size_t index) const ;
88 << 109 // Returns the value for the specified index of the dataVector
89 // Same as the Value() method above but spec << 110 // The boundary check will not be done.
90 // Note, unlike the general Value() method a << 111
91 // properly only for G4PhysicsLogVector. << 112 inline G4double operator()(const size_t index) const ;
92 inline G4double LogVectorValue(const G4doubl << 113 // Returns the value for the specified index of the dataVector
93 const G4doubl << 114 // The boundary check will not be done.
94 << 115
95 // Same as the Value() method above but spec << 116 inline void PutValue(size_t index, G4double theValue);
96 // with logarithmic seach of bin number << 117 // Put 'theValue' into the dataVector specified by 'index'.
97 inline G4double LogFreeVectorValue(const G4d << 118 // Take note that the 'index' starts from '0'.
98 const G4d << 119 // To fill the vector, you have beforehand to construct a vector
99 << 120 // by the constructor with Emin, Emax, Nbin. 'theValue' should
100 // Returns the value for the specified index << 121 // be the crosssection/energyloss value corresponding to the
101 // The boundary check will not be done << 122 // energy of the index.
102 inline G4double operator[](const std::size_t << 123
103 inline G4double operator()(const std::size_t << 124 virtual void ScaleVector(G4double factorE, G4double factorV);
104 << 125 // Scale all values of the vector and second derivatives
105 // Put data into the vector at 'index' posit << 126 // by factorV, energies by vectorE. This method may be applied
106 // Take note that the 'index' starts from '0 << 127 // for example after Retrieve a vector from an external file to
107 // It is assumed that energies are already f << 128 // convert values into Geant4 units
108 inline void PutValue(const std::size_t index << 129
109 << 130 inline G4double Energy(size_t index) const;
110 // Returns the value in the energy specified << 131 // Returns the value in the energy specified by 'index'
111 // of the energy vector. The boundary check << 132 // of the energy vector. The boundary check will not be done.
112 // Use this when compute cross-section, dEdx << 133 // Use this function when compute cross section or dEdx
113 // before filling the vector by PutValue(). << 134 // before filling the vector by PutValue(..).
114 inline G4double Energy(const std::size_t ind << 135
115 inline G4double GetLowEdgeEnergy(const std:: << 136 inline G4double GetMaxEnergy() const;
116 << 137 // Returns the energy of the last point of the vector
117 // Returns the energy of the first and the l << 138
118 inline G4double GetMinEnergy() const; << 139 G4double GetLowEdgeEnergy(size_t binNumber) const;
119 inline G4double GetMaxEnergy() const; << 140 // Obsolete method
120 << 141 // Get the energy value at the low edge of the specified bin.
121 // Returns the data of the first and the las << 142 // Take note that the 'binNumber' starts from '0'.
122 // If the vector is empty returns zeros. << 143 // The boundary check will not be done.
123 inline G4double GetMinValue() const; << 144
124 inline G4double GetMaxValue() const; << 145 inline size_t GetVectorLength() const;
125 << 146 // Get the total length of the vector.
126 // Get the total length of the vector << 147
127 inline std::size_t GetVectorLength() const; << 148 inline size_t FindBin(G4double energy, size_t idx) const;
128 << 149 // find low edge index of a bin for given energy
129 // Computes the lower index the energy bin i << 150 // min value 0, max value VectorLength-1
130 // in case of vectors with equal bin widths << 151 // idx is suggested bin number from user code
131 // Note, that no check on the boundary is pe << 152
132 inline std::size_t ComputeLogVectorBin(const << 153 void FillSecondDerivatives();
133 << 154 // Initialise second derivatives for spline keeping
134 // Get physics vector type. << 155 // 3d derivative continues - default algorithm
135 inline G4PhysicsVectorType GetType() const; << 156 // Warning: this method should be called when the vector
136 << 157 // is already filled
137 // True if using spline interpolation. << 158
138 inline G4bool GetSpline() const; << 159 void ComputeSecDerivatives();
139 << 160 // Initialise second derivatives for spline using algorithm
140 // Define verbosity level. << 161 // which garantee only 1st derivative continues
141 inline void SetVerboseLevel(G4int value); << 162 // Warning: this method should be called when the vector
142 << 163 // is already filled
143 // Find energy using linear interpolation fo << 164
144 // filled by cumulative probability function << 165 void ComputeSecondDerivatives(G4double firstPointDerivative,
145 // Assuming that vector is already filled. << 166 G4double endPointDerivative);
146 inline G4double FindLinearEnergy(const G4dou << 167 // Initialise second derivatives for spline using
147 << 168 // user defined 1st derivatives at edge points
148 // Find low edge index of a bin for given en << 169 // Warning: this method should be called when the vector
149 // Min value 0, max value idxmax. << 170 // is already filled
150 std::size_t FindBin(const G4double energy, s << 171
151 << 172 G4double FindLinearEnergy(G4double rand) const;
152 // Scale all values of the vector by factorV << 173 // Find energy using linear interpolation for vector
153 // AFter this method FillSecondDerivatives(. << 174 // filled by cumulative probability function
154 // This method may be applied for example af << 175 // value of rand should be between 0 and 1
155 // from an external file to convert values i << 176
156 void ScaleVector(const G4double factorE, con << 177 inline G4bool IsFilledVectorExist() const;
157 << 178 // Is non-empty physics vector already exist?
158 // This method should be called when the vec << 179
159 // There are 3 types of second derivative co << 180 inline G4PhysicsVectorType GetType() const;
160 // fSplineSimple - 2d derivative cont << 181 // Get physics vector type
161 // fSplineBase - 3d derivative cont << 182
162 // fSplineFixedEdges - 3d derivatives con << 183 inline void SetSpline(G4bool);
163 // derivatives are fi << 184 // Activate/deactivate Spline interpolation.
164 void FillSecondDerivatives(const G4SplineTyp << 185
165 const G4double di << 186 G4bool Store(std::ofstream& fOut, G4bool ascii=false) const;
166 const G4double di << 187 virtual G4bool Retrieve(std::ifstream& fIn, G4bool ascii=false);
167 << 188 // To store/retrieve persistent data to/from file streams.
168 // This method can be applied if both energy << 189
169 // grow monotonically, for example, if in th << 190 friend std::ostream& operator<<(std::ostream&, const G4PhysicsVector&);
170 // cumulative probability density function i << 191 void DumpValues(G4double unitE=1.0, G4double unitV=1.0) const;
171 G4double GetEnergy(const G4double value) con << 192 // print vector
172 << 193
173 // To store/retrieve persistent data to/from << 194 inline void SetVerboseLevel(G4int value);
174 G4bool Store(std::ofstream& fOut, G4bool asc << 195
175 G4bool Retrieve(std::ifstream& fIn, G4bool a << 196 protected:
176 << 197
177 // Print vector << 198 void DeleteData();
178 friend std::ostream& operator<<(std::ostream << 199 void CopyData(const G4PhysicsVector& vec);
179 void DumpValues(G4double unitE = 1.0, G4doub << 200 // Internal methods for allowing copy of objects
180 << 201
181 protected: << 202 void PrintPutValueError(size_t index);
182 << 203
183 // The default implements a free vector init << 204 protected:
184 virtual void Initialise(); << 205
185 << 206 G4PhysicsVectorType type; // The type of PhysicsVector (enumerator)
186 void PrintPutValueError(std::size_t index, G << 207
187 const G4String& text << 208 G4double edgeMin; // Energy of first point
188 << 209 G4double edgeMax; // Energy of the last point
189 private: << 210
190 << 211 size_t numberOfNodes;
191 void ComputeSecDerivative0(); << 212
192 void ComputeSecDerivative1(); << 213 G4PVDataVector dataVector; // Vector to keep the crossection/energyloss
193 void ComputeSecDerivative2(const G4double fi << 214 G4PVDataVector binVector; // Vector to keep energy
194 const G4double en << 215 G4PVDataVector secDerivative; // Vector to keep second derivatives
195 // Internal methods for computing of spline << 216
196 << 217 private:
197 // Linear or spline interpolation. << 218
198 inline G4double Interpolation(const std::siz << 219 G4bool SplinePossible();
199 const G4double << 220
200 << 221 inline G4double LinearInterpolation(size_t idx, G4double energy) const;
201 // Assuming (edgeMin <= energy <= edgeMax). << 222 // Linear interpolation function
202 inline std::size_t LogBin(const G4double ene << 223 inline G4double SplineInterpolation(size_t idx, G4double energy) const;
203 inline std::size_t BinaryBin(const G4double << 224 // Spline interpolation function
204 inline std::size_t GetBin(const G4double ene << 225
205 << 226 inline G4double Interpolation(size_t idx, G4double energy) const;
206 protected: << 227
207 << 228 inline size_t FindBinLocation(G4double theEnergy) const;
208 G4double edgeMin = 0.0; // Energy of first << 229 // find low edge index of a bin for given energy
209 G4double edgeMax = 0.0; // Energy of the la << 230 // min value 0, max value VectorLength-1
210 << 231
211 G4double invdBin = 0.0; // 1/Bin width for << 232 G4bool useSpline;
212 G4double logemin = 0.0; // used only for lo << 233
213 << 234 protected:
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 <<
230 235
231 private: << 236 G4double dBin; // Bin width - useful only for fixed binning
>> 237 G4double baseBin; // Set this in constructor for performance
232 238
233 G4bool useSpline = false; << 239 G4int verboseLevel;
234 }; 240 };
235 241
236 #include "G4PhysicsVector.icc" 242 #include "G4PhysicsVector.icc"
237 243
238 #endif 244 #endif
239 245