[833] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // |
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| 27 | // $Id: G4PhysicsOrderedFreeVector.cc,v 1.10 2006/06/29 19:04:20 gunter Exp $ |
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| 28 | // GEANT4 tag $Name: $ |
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| 29 | // |
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| 30 | //////////////////////////////////////////////////////////////////////// |
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| 31 | // PhysicsOrderedFreeVector Class Implementation |
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| 32 | //////////////////////////////////////////////////////////////////////// |
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| 33 | // |
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| 34 | // File: G4PhysicsOrderedFreeVector.cc |
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| 35 | // Version: 2.0 |
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| 36 | // Created: 1996-08-13 |
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| 37 | // Author: Juliet Armstrong |
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| 38 | // Updated: 1997-03-25 by Peter Gumplinger |
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| 39 | // > cosmetics (only) |
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| 40 | // 1998-11-11 by Peter Gumplinger |
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| 41 | // > initialize all data members of the base class in |
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| 42 | // derived class constructors |
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| 43 | // 2000-11-11 by H.Kurashige |
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| 44 | // > use STL vector for dataVector and binVector |
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| 45 | // mail: gum@triumf.ca |
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| 46 | // |
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| 47 | // |
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| 48 | //////////////////////////////////////////////////////////////////////// |
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| 49 | |
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| 50 | #include "G4PhysicsOrderedFreeVector.hh" |
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| 51 | |
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| 52 | ///////////////////////// |
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| 53 | // Class Implementation |
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| 54 | ///////////////////////// |
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| 55 | |
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| 56 | ///////////////// |
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| 57 | // Constructors |
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| 58 | ///////////////// |
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| 59 | |
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| 60 | G4PhysicsOrderedFreeVector::G4PhysicsOrderedFreeVector(G4double *Energies, |
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| 61 | G4double *Values, |
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| 62 | size_t VectorLength) |
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| 63 | { |
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| 64 | type = T_G4PhysicsOrderedFreeVector; |
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| 65 | |
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| 66 | lastBin = INT_MAX; |
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| 67 | |
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| 68 | lastEnergy = -DBL_MAX; |
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| 69 | lastValue = DBL_MAX; |
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| 70 | |
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| 71 | numberOfBin = VectorLength; |
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| 72 | |
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| 73 | for (size_t i = 0 ; i < VectorLength ; i++) |
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| 74 | { |
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| 75 | binVector.push_back(Energies[i]); |
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| 76 | dataVector.push_back(Values[i]); |
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| 77 | } |
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| 78 | edgeMin = binVector.front(); |
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| 79 | edgeMax = binVector.back(); |
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| 80 | } |
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| 81 | |
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| 82 | G4PhysicsOrderedFreeVector::G4PhysicsOrderedFreeVector() |
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| 83 | { |
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| 84 | type = T_G4PhysicsOrderedFreeVector; |
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| 85 | |
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| 86 | lastBin = INT_MAX; |
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| 87 | lastEnergy = -DBL_MAX; |
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| 88 | lastValue = DBL_MAX; |
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| 89 | |
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| 90 | edgeMin = 0.0; |
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| 91 | edgeMax = 0.0; |
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| 92 | numberOfBin = 0; |
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| 93 | } |
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| 94 | |
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| 95 | //////////////// |
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| 96 | // Destructors |
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| 97 | //////////////// |
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| 98 | |
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| 99 | G4PhysicsOrderedFreeVector::~G4PhysicsOrderedFreeVector() {} |
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| 100 | |
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| 101 | //////////// |
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| 102 | // Methods |
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| 103 | //////////// |
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| 104 | |
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| 105 | void |
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| 106 | G4PhysicsOrderedFreeVector::InsertValues(G4double energy, G4double value) |
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| 107 | { |
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| 108 | binVector.push_back(energy); |
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| 109 | dataVector.push_back(value); |
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| 110 | numberOfBin++; |
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| 111 | edgeMin = binVector.front(); |
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| 112 | edgeMax = binVector.back(); |
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| 113 | |
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| 114 | } |
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| 115 | |
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| 116 | G4double |
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| 117 | G4PhysicsOrderedFreeVector::GetLowEdgeEnergy(size_t binNumber) const |
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| 118 | { |
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| 119 | return binVector[binNumber]; |
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| 120 | } |
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| 121 | |
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| 122 | G4double |
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| 123 | G4PhysicsOrderedFreeVector::GetEnergy(G4double aValue) |
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| 124 | { |
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| 125 | |
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| 126 | if (aValue <= GetMinValue()) { |
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| 127 | return GetMinLowEdgeEnergy(); |
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| 128 | } else if (aValue >= GetMaxValue()) { |
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| 129 | return GetMaxLowEdgeEnergy(); |
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| 130 | } else { |
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| 131 | size_t closestBin = FindValueBinLocation(aValue); |
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| 132 | G4double theEnergy = LinearInterpolationOfEnergy(aValue, closestBin); |
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| 133 | |
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| 134 | return theEnergy; |
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| 135 | } |
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| 136 | } |
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| 137 | |
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| 138 | size_t |
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| 139 | G4PhysicsOrderedFreeVector::FindValueBinLocation(G4double aValue) |
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| 140 | { |
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| 141 | G4int n1 = 0; |
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| 142 | G4int n2 = numberOfBin/2; |
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| 143 | G4int n3 = numberOfBin - 1; |
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| 144 | while (n1 != n3 - 1) { |
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| 145 | if (aValue > dataVector[n2]) |
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| 146 | { n1 = n2; } |
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| 147 | else |
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| 148 | { n3 = n2; } |
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| 149 | n2 = n1 + (n3 - n1 + 1)/2; |
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| 150 | } |
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| 151 | return (size_t)n1; |
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| 152 | } |
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| 153 | |
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| 154 | G4double |
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| 155 | G4PhysicsOrderedFreeVector::LinearInterpolationOfEnergy(G4double aValue, |
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| 156 | size_t theLocBin) |
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| 157 | { |
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| 158 | G4double intplFactor = (aValue-dataVector[theLocBin]) |
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| 159 | / (dataVector[theLocBin+1]-dataVector[theLocBin]); // Interpolation factor |
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| 160 | |
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| 161 | return binVector[theLocBin] + |
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| 162 | ( binVector[theLocBin+1]-binVector[theLocBin] ) * intplFactor; |
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| 163 | } |
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