| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
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