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Geant4/processes/electromagnetic/lowenergy/src/G4LinLogLogInterpolation.cc

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Diff markup

Differences between /processes/electromagnetic/lowenergy/src/G4LinLogLogInterpolation.cc (Version 11.3.0) and /processes/electromagnetic/lowenergy/src/G4LinLogLogInterpolation.cc (Version 8.0)


  1 //                                                  1 //
  2 // *******************************************      2 // ********************************************************************
  3 // * License and Disclaimer                    <<   3 // * DISCLAIMER                                                       *
  4 // *                                                4 // *                                                                  *
  5 // * The  Geant4 software  is  copyright of th <<   5 // * The following disclaimer summarizes all the specific disclaimers *
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  7 // * conditions of the Geant4 Software License <<   7 // * govern, are listed with their locations in:                      *
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  9 // * include a list of copyright holders.      << 
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 11 // * Neither the authors of this software syst     10 // * Neither the authors of this software system, nor their employing *
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 13 // * work  make  any representation or  warran     12 // * work  make  any representation or  warranty, express or implied, *
 14 // * regarding  this  software system or assum     13 // * regarding  this  software system or assume any liability for its *
 15 // * use.  Please see the license in the file  <<  14 // * use.                                                             *
 16 // * for the full disclaimer and the limitatio << 
 17 // *                                               15 // *                                                                  *
 18 // * This  code  implementation is the result  <<  16 // * This  code  implementation is the  intellectual property  of the *
 19 // * technical work of the GEANT4 collaboratio <<  17 // * GEANT4 collaboration.                                            *
 20 // * By using,  copying,  modifying or  distri <<  18 // * By copying,  distributing  or modifying the Program (or any work *
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 22 // * use  in  resulting  scientific  publicati <<  20 // * statement, and all its terms.                                    *
 23 // * acceptance of all terms of the Geant4 Sof << 
 24 // *******************************************     21 // ********************************************************************
 25 //                                                 22 //
 26 //                                                 23 //
 27 // Author:  Vladimir Ivanchenko (Vladimir.Ivan     24 // Author:  Vladimir Ivanchenko (Vladimir.Ivantchenko@cern.ch)
 28 //                                                 25 //
 29 // History:                                        26 // History:
 30 // -----------                                     27 // -----------
 31 // 29 May 2002   VI        Created                 28 // 29 May 2002   VI        Created
 32 //                                                 29 //
 33 // -------------------------------------------     30 // -------------------------------------------------------------------
 34                                                    31 
 35 #include "G4LinLogLogInterpolation.hh"             32 #include "G4LinLogLogInterpolation.hh"
 36                                                    33 
 37 // Constructor                                     34 // Constructor
 38                                                    35 
 39 G4LinLogLogInterpolation::G4LinLogLogInterpola     36 G4LinLogLogInterpolation::G4LinLogLogInterpolation()
 40 { }                                                37 { }
 41                                                    38 
 42 // Destructor                                      39 // Destructor
 43                                                    40 
 44 G4LinLogLogInterpolation::~G4LinLogLogInterpol     41 G4LinLogLogInterpolation::~G4LinLogLogInterpolation()
 45 { }                                                42 { }
 46                                                    43 
 47 G4VDataSetAlgorithm* G4LinLogLogInterpolation:     44 G4VDataSetAlgorithm* G4LinLogLogInterpolation::Clone() const 
 48 { return new G4LinLogLogInterpolation; }           45 { return new G4LinLogLogInterpolation; }
 49                                                    46 
 50                                                    47 
 51 G4double G4LinLogLogInterpolation::Calculate(G     48 G4double G4LinLogLogInterpolation::Calculate(G4double x, G4int bin, 
 52             const G4DataVector& points,            49             const G4DataVector& points, 
 53             const G4DataVector& data) const        50             const G4DataVector& data) const
 54 {                                                  51 {
 55   //G4cout << "G4LinLogLogInterpolation is per <<  52   G4int nBins = data.size() - 1;
 56   G4int nBins = G4int(data.size() - 1);        << 
 57   G4double value = 0.;                             53   G4double value = 0.;
 58   if (x < points[0])                               54   if (x < points[0])
 59     {                                              55     {
 60       value = 0.;                                  56       value = 0.;
 61     }                                              57     }
 62   else if (bin < nBins)                            58   else if (bin < nBins)
 63     {                                              59     {
 64       G4double e1 = points[bin];                   60       G4double e1 = points[bin];
 65       G4double e2 = points[bin+1];                 61       G4double e2 = points[bin+1];
 66       G4double d1 = data[bin];                     62       G4double d1 = data[bin];
 67       G4double d2 = data[bin+1];                   63       G4double d2 = data[bin+1];
 68       if(d1 > 0.0 && d2 > 0.0) {                   64       if(d1 > 0.0 && d2 > 0.0) {
 69         value = (std::log10(d1)*std::log10(e2/     65         value = (std::log10(d1)*std::log10(e2/x) + std::log10(d2)*std::log10(x/e1)) / std::log10(e2/e1);
 70         value = std::pow(10.,value);               66         value = std::pow(10.,value);
 71       } else {                                     67       } else {
 72         value = (d1*std::log10(e2/x) + d2*std:     68         value = (d1*std::log10(e2/x) + d2*std::log10(x/e1)) / std::log10(e2/e1);
 73       }                                            69       }
 74     }                                              70     }
 75   else                                             71   else
 76     {                                              72     {
 77       value = data[nBins];                         73       value = data[nBins];
 78     }                                              74     }
 79                                                    75 
 80   return value;                                << 
 81 }                                              << 
 82                                                << 
 83 G4double G4LinLogLogInterpolation::Calculate(G << 
 84             const G4DataVector& points,        << 
 85                                           cons << 
 86                                           cons << 
 87             const G4DataVector& log_data) cons << 
 88 {                                              << 
 89   //G4cout << "G4LinLogLogInterpolation is per << 
 90   G4int nBins = G4int(data.size() - 1);        << 
 91   G4double value = 0.;                         << 
 92   G4double log_x = std::log10(x);              << 
 93   if (x < points[0])                           << 
 94     {                                          << 
 95       value = 0.;                              << 
 96     }                                          << 
 97   else if (bin < nBins)                        << 
 98     {                                          << 
 99       G4double e1 = points[bin];               << 
100       G4double e2 = points[bin+1];             << 
101       G4double d1 = data[bin];                 << 
102       G4double d2 = data[bin+1];               << 
103       G4double log_e1 = log_points[bin];       << 
104       G4double log_e2 = log_points[bin+1];     << 
105       G4double log_d1 = log_data[bin];         << 
106       G4double log_d2 = log_data[bin+1];       << 
107       //G4cout << "x = " << x << " , log_x = " << 
108       //G4cout << "e1 = " << e1 << " , d1 = "  << 
109       //G4cout << "e2 = " << e2 << " , d2 = "  << 
110       //G4cout << "log_e1 = " << log_e1 << " , << 
111       //G4cout << "log_e2 = " << log_e2 << " , << 
112       if (d1 > 0.0 && d2 > 0.0)                << 
113        {                                       << 
114          // Values e1, e2, d1 and d2 are the l << 
115          // original energy and data values. S << 
116          // on loagarithmic data should be equ << 
117          value = log_d1 + (log_d2 - log_d1)*(l << 
118                                                << 
119          //G4cout << "Case of normal log-log i << 
120          //G4cout << "Temp log interpolated va << 
121                                                << 
122          // Delogarithmize to obtain interpola << 
123          value = std::pow(10.,value);          << 
124                                                << 
125          //G4cout << "Final Interpolated value << 
126        }                                       << 
127      else                                      << 
128        {                                       << 
129         // Case of semi log-log interpolation  << 
130         //G4cout << "G4LinLogLogInterpolation  << 
131         if (e1 == 0.0) e1 = 1e-300;            << 
132         if (e2 == 0.0) e2 = 1e-300;            << 
133         value = d1 + (d2 - d1)*(log_x - log_e1 << 
134         //G4cout << "LinLogInterpolation: Fina << 
135        }                                       << 
136     }                                          << 
137   else                                         << 
138     {                                          << 
139       value = data[nBins];                     << 
140     }                                          << 
141   return value;                                    76   return value;
142 }                                                  77 }
143                                                    78