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25 //
26 // INCL++ intra-nuclear cascade model
27 // Alain Boudard, CEA-Saclay, France
28 // Joseph Cugnon, University of Liege, Belgium
29 // Jean-Christophe David, CEA-Saclay, France
30 // Pekka Kaitaniemi, CEA-Saclay, France, and Helsinki Institute of Physics, Finland
31 // Sylvie Leray, CEA-Saclay, France
32 // Davide Mancusi, CEA-Saclay, France
33 //
34 #define INCLXX_IN_GEANT4_MODE 1
35
36 #include "globals.hh"
37
38 /** \file G4INCLInterpolationTable.hh
39 * \brief Simple interpolation table
40 *
41 * \date 30 January 2014
42 * \author Davide Mancusi
43 */
44
45 #ifndef G4INCLINTERPOLATIONTABLE_HH_
46 #define G4INCLINTERPOLATIONTABLE_HH_
47
48 #include "G4INCLIFunction1D.hh"
49 #include <algorithm>
50 #include <functional>
51 #include <sstream>
52
53 namespace G4INCL {
54
55 /// \brief Interpolation node
56 class InterpolationNode {
57 public:
58 InterpolationNode(const G4double x0, const G4double y0, const G4double yPrime0) :
59 x(x0),
60 y(y0),
61 yPrime(yPrime0)
62 {}
63
64 virtual ~InterpolationNode() {}
65
66 G4bool operator<(const InterpolationNode &rhs) const {
67 return (x < rhs.x);
68 }
69
70 G4bool operator<=(const InterpolationNode &rhs) const {
71 return (x <= rhs.x);
72 }
73
74 G4bool operator>(const InterpolationNode &rhs) const {
75 return (x > rhs.x);
76 }
77
78 G4bool operator>=(const InterpolationNode &rhs) const {
79 return (x >= rhs.x);
80 }
81
82 G4double getX() const { return x; }
83 G4double getY() const { return y; }
84 G4double getYPrime() const { return yPrime; }
85
86 void setX(const G4double x0) { x=x0; }
87 void setY(const G4double y0) { y=y0; }
88 void setYPrime(const G4double yPrime0) { yPrime=yPrime0; }
89
90 std::string print() const {
91 std::stringstream message;
92 message << "x, y, yPrime: " << x << '\t' << y << '\t' << yPrime << '\n';
93 return message.str();
94 }
95
96 protected:
97 /// \brief abscissa
98 G4double x;
99 /// \brief function value
100 G4double y;
101 /// \brief function derivative
102 G4double yPrime;
103 };
104
105 /// \brief Class for interpolating the of a 1-dimensional function
106 class InterpolationTable : public IFunction1D {
107 public:
108 InterpolationTable(std::vector<G4double> const &x, std::vector<G4double> const &y);
109 virtual ~InterpolationTable() {}
110
111 std::size_t getNumberOfNodes() const { return nodes.size(); }
112
113 std::vector<G4double> getNodeAbscissae() const;
114
115 std::vector<G4double> getNodeValues() const;
116
117 G4double operator()(const G4double x) const;
118
119 std::string print() const;
120
121 protected:
122 InterpolationTable();
123
124 /// \brief Initialise the values of the node derivatives
125 void initDerivatives();
126
127 /// \brief Interpolating nodes
128 std::vector<InterpolationNode> nodes;
129
130 };
131
132 }
133
134 #endif // G4INCLINTERPOLATIONTABLE_HH_
135