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26 // 26 //
>> 27 // $Id: G4LinInterpolator.cc 70904 2013-06-07 10:34:25Z gcosmo $
27 // 28 //
28 // Author: Maria Grazia Pia (Maria.Grazia.Pia@ 29 // Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch)
29 // 30 //
30 // History: 31 // History:
31 // ----------- 32 // -----------
32 // 31 Jul 2001 MGP Created 33 // 31 Jul 2001 MGP Created
33 // 31 Jul 2008 MGP Revised and rename 34 // 31 Jul 2008 MGP Revised and renamed to G4LinInterpolator
34 // 35 //
35 // ------------------------------------------- 36 // -------------------------------------------------------------------
36 37
37 #include "G4LinInterpolator.hh" 38 #include "G4LinInterpolator.hh"
38 39
39 // Constructor 40 // Constructor
40 41
41 G4LinInterpolator::G4LinInterpolator() 42 G4LinInterpolator::G4LinInterpolator()
42 { } 43 { }
43 44
44 // Destructor 45 // Destructor
45 46
46 G4LinInterpolator::~G4LinInterpolator() 47 G4LinInterpolator::~G4LinInterpolator()
47 { } 48 { }
48 49
49 50
50 G4IInterpolator* G4LinInterpolator::Clone() co 51 G4IInterpolator* G4LinInterpolator::Clone() const
51 { return new G4LinInterpolator; } 52 { return new G4LinInterpolator; }
52 53
53 G4double G4LinInterpolator::Calculate(G4double 54 G4double G4LinInterpolator::Calculate(G4double x, G4int bin,
54 const G4DataVector& points, 55 const G4DataVector& points,
55 const G4DataVector& data) const 56 const G4DataVector& data) const
56 { 57 {
57 G4int nBins = G4int(data.size() - 1); << 58 G4int nBins = data.size() - 1;
58 G4double value = 0.; 59 G4double value = 0.;
59 if (x < points[0]) 60 if (x < points[0])
60 { 61 {
61 value = 0.; 62 value = 0.;
62 } 63 }
63 else if (bin < nBins) 64 else if (bin < nBins)
64 { 65 {
65 G4double e1 = points[bin]; 66 G4double e1 = points[bin];
66 G4double e2 = points[bin+1]; 67 G4double e2 = points[bin+1];
67 G4double d1 = data[bin]; 68 G4double d1 = data[bin];
68 G4double d2 = data[bin+1]; 69 G4double d2 = data[bin+1];
69 value = d1 + (d2 - d1)*(x - e1)/(e2 - e1 70 value = d1 + (d2 - d1)*(x - e1)/(e2 - e1);
70 } 71 }
71 else 72 else
72 { 73 {
73 value = data[nBins]; 74 value = data[nBins];
74 } 75 }
75 return value; 76 return value;
76 } 77 }
77 78