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25 // 25 //
26 // INCL++ intra-nuclear cascade model 26 // INCL++ intra-nuclear cascade model
27 // Alain Boudard, CEA-Saclay, France 27 // Alain Boudard, CEA-Saclay, France
28 // Joseph Cugnon, University of Liege, Belgium 28 // Joseph Cugnon, University of Liege, Belgium
29 // Jean-Christophe David, CEA-Saclay, France 29 // Jean-Christophe David, CEA-Saclay, France
30 // Pekka Kaitaniemi, CEA-Saclay, France, and H 30 // Pekka Kaitaniemi, CEA-Saclay, France, and Helsinki Institute of Physics, Finland
31 // Sylvie Leray, CEA-Saclay, France 31 // Sylvie Leray, CEA-Saclay, France
32 // Davide Mancusi, CEA-Saclay, France 32 // Davide Mancusi, CEA-Saclay, France
33 // 33 //
34 #define INCLXX_IN_GEANT4_MODE 1 34 #define INCLXX_IN_GEANT4_MODE 1
35 35
36 #include "globals.hh" 36 #include "globals.hh"
37 37
38 /** \file G4INCLInvFInterpolationTable.cc 38 /** \file G4INCLInvFInterpolationTable.cc
39 * \brief Simple interpolation table for the i 39 * \brief Simple interpolation table for the inverse of a IFunction1D functor
40 * 40 *
41 * \date 17 July 2012 41 * \date 17 July 2012
42 * \author Davide Mancusi 42 * \author Davide Mancusi
43 */ 43 */
44 44
45 // #include <cassert> 45 // #include <cassert>
46 #include <algorithm> 46 #include <algorithm>
47 #include <functional> 47 #include <functional>
48 #include "G4INCLInvFInterpolationTable.hh" 48 #include "G4INCLInvFInterpolationTable.hh"
49 49
50 namespace G4INCL { 50 namespace G4INCL {
51 51
52 InvFInterpolationTable::InvFInterpolationTab 52 InvFInterpolationTable::InvFInterpolationTable(IFunction1D const &f, const unsigned int nNodes) {
53 // assert(nNodes>2); 53 // assert(nNodes>2);
54 54
55 const G4double x0 = f.getXMinimum(); 55 const G4double x0 = f.getXMinimum();
56 const G4double x1 = f.getXMaximum(); 56 const G4double x1 = f.getXMaximum();
57 57
58 // Build the nodes 58 // Build the nodes
59 G4double last = f(x0); 59 G4double last = f(x0);
60 InterpolationNode firstNode(last, x0, 0.); 60 InterpolationNode firstNode(last, x0, 0.);
61 nodes.push_back(firstNode); 61 nodes.push_back(firstNode);
62 //G4int skippedNodes = 0; << 62 // G4int skippedNodes = 0;
63 for(unsigned i = 1; i < nNodes; i++) { 63 for(unsigned i = 1; i < nNodes; i++) {
64 const G4double xi = x0 + i*(x1-x0)/((G4d 64 const G4double xi = x0 + i*(x1-x0)/((G4double)(nNodes-1));
65 // Make sure that the x vector is sorted 65 // Make sure that the x vector is sorted (corresponding to a monotonous
66 // function) 66 // function)
67 const G4double value = f(xi); 67 const G4double value = f(xi);
68 if(value <= last) { 68 if(value <= last) {
69 //++skippedNodes; << 69 // ++skippedNodes;
70 continue; 70 continue;
71 } 71 }
72 InterpolationNode node(value, xi, 0.); 72 InterpolationNode node(value, xi, 0.);
73 nodes.push_back(node); 73 nodes.push_back(node);
74 last = value; 74 last = value;
75 } 75 }
76 76
77 // assert(nNodes==nodes.size()+skippedNodes); 77 // assert(nNodes==nodes.size()+skippedNodes);
78 78
79 // Initialise the "derivative" values 79 // Initialise the "derivative" values
80 initDerivatives(); 80 initDerivatives();
81 } 81 }
82 82
83 } 83 }
84 84