include/Geant4/G4Physics2DVector.icc

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0024 // ********************************************************************
0025 //
0026 // G4Physics2DVector inline implementation
0027 //
0028 // Author: Vladimir Ivanchenko, 25.09.2011
0029 // --------------------------------------------------------------------
0030
0031 inline G4double G4Physics2DVector::Value(G4double x, G4double y) const
0032 {
0033   std::size_t idx = 0;
0034   std::size_t idy = 0;
0035   return Value(x, y, idx, idy);
0036 }
0037
0038 inline void G4Physics2DVector::PutX(std::size_t idx, G4double val)
0039 {
0040   xVector[idx] = val;
0041 }
0042
0043 inline void G4Physics2DVector::PutY(std::size_t idy, G4double val)
0044 {
0045   yVector[idy] = val;
0046 }
0047
0048 inline void G4Physics2DVector::PutValue(std::size_t idx, std::size_t idy,
0049                                         G4double val)
0050 {
0051   (*(value[idy]))[idx] = val;
0052 }
0053
0054 inline G4double G4Physics2DVector::GetX(std::size_t index) const
0055 {
0056   return xVector[index];
0057 }
0058
0059 inline G4double G4Physics2DVector::GetY(std::size_t index) const
0060 {
0061   return yVector[index];
0062 }
0063
0064 inline G4double G4Physics2DVector::GetValue(std::size_t idx,
0065                                             std::size_t idy) const
0066 {
0067   return (*(value[idy]))[idx];
0068 }
0069
0070 inline G4double G4Physics2DVector::FindLinearX(G4double rand, G4double y) const
0071 {
0072   std::size_t idy = 0;
0073   return FindLinearX(rand, y, idy);
0074 }
0075
0076 inline std::size_t G4Physics2DVector::GetLengthX() const
0077 {
0078   return numberOfXNodes;
0079 }
0080
0081 inline std::size_t G4Physics2DVector::GetLengthY() const
0082 {
0083   return numberOfYNodes;
0084 }
0085
0086 inline G4PhysicsVectorType G4Physics2DVector::GetType() const { return type; }
0087
0088 inline void G4Physics2DVector::SetBicubicInterpolation(G4bool val)
0089 {
0090   useBicubic = val;
0091 }
0092
0093 inline std::size_t G4Physics2DVector::FindBin(const G4double z,
0094                                               const G4PV2DDataVector& v,
0095                                               const std::size_t idx,
0096                                               const std::size_t idxmax) const
0097 {
0098   std::size_t id = idx;
0099   if(z <= v[1])
0100   {
0101     id = 0;
0102   }
0103   else if(z >= v[idxmax])
0104   {
0105     id = idxmax;
0106   }
0107   else if(idx > idxmax || z < v[idx] || z > v[idx + 1])
0108   {
0109     id = std::lower_bound(v.begin(), v.end(), z) - v.begin() - 1;
0110   }
0111   return id;
0112 }
0113
0114 inline std::size_t G4Physics2DVector::FindBinLocationX(
0115   const G4double x, const std::size_t idx) const
0116 {
0117   return FindBin(x, xVector, idx, numberOfXNodes - 2);
0118 }
0119
0120 inline std::size_t G4Physics2DVector::FindBinLocationY(
0121   const G4double y, const std::size_t idy) const
0122 {
0123   return FindBin(y, yVector, idy, numberOfYNodes - 2);
0124 }
0125
0126 inline void G4Physics2DVector::SetVerboseLevel(G4int val)
0127 {
0128   verboseLevel = val;
0129 }
0130
0131 inline G4double G4Physics2DVector::DerivativeX(std::size_t idx, std::size_t idy,
0132                                                G4double fac) const
0133 {
0134   std::size_t i1 = idx;
0135   if(i1 > 0)
0136   {
0137     --i1;
0138   }
0139   std::size_t i2 = idx;
0140   if(i2 + 1 < numberOfXNodes)
0141   {
0142     ++i2;
0143   }
0144   return fac * (GetValue(i2, idy) - GetValue(i1, idy)) / (GetX(i2) - GetX(i1));
0145 }
0146
0147 inline G4double G4Physics2DVector::DerivativeY(std::size_t idx, std::size_t idy,
0148                                                G4double fac) const
0149 {
0150   std::size_t i1 = idy;
0151   if(i1 > 0)
0152   {
0153     --i1;
0154   }
0155   std::size_t i2 = idy;
0156   if(i2 + 1 < numberOfYNodes)
0157   {
0158     ++i2;
0159   }
0160   return fac * (GetValue(idx, i2) - GetValue(idx, i1)) / (GetY(i2) - GetY(i1));
0161 }
0162
0163 inline G4double G4Physics2DVector::DerivativeXY(std::size_t idx,
0164                                                 std::size_t idy,
0165                                                 G4double fac) const
0166 {
0167   std::size_t i1 = idx;
0168   if(i1 > 0)
0169   {
0170     --i1;
0171   }
0172   std::size_t i2 = idx;
0173   if(i2 + 1 < numberOfXNodes)
0174   {
0175     ++i2;
0176   }
0177   std::size_t j1 = idy;
0178   if(j1 > 0)
0179   {
0180     --j1;
0181   }
0182   std::size_t j2 = idy;
0183   if(j2 + 1 < numberOfYNodes)
0184   {
0185     ++j2;
0186   }
0187   return fac *
0188          (GetValue(i2, j2) - GetValue(i1, j2) - GetValue(i2, j1) +
0189           GetValue(i1, j1)) /
0190          ((GetX(i2) - GetX(i1)) * (GetY(j2) - GetY(j1)));
0191 }