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Geant4/global/management/include/G4Physics2DVector.icc

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  //
  // G4Physics2DVector inline implementation
  //
  // Author: Vladimir Ivanchenko, 25.09.2011
  // --------------------------------------------------------------------
  
  inline G4double G4Physics2DVector::Value(G4double x, G4double y) const
  {
    std::size_t idx = 0;
    std::size_t idy = 0;
    return Value(x, y, idx, idy);
  }
  
  inline void G4Physics2DVector::PutX(std::size_t idx, G4double val)
  {
    xVector[idx] = val;
  }
  
  inline void G4Physics2DVector::PutY(std::size_t idy, G4double val)
  {
    yVector[idy] = val;
  }
  
  inline void G4Physics2DVector::PutValue(std::size_t idx, std::size_t idy,
                                          G4double val)
  {
    (*(value[idy]))[idx] = val;
  }
  
  inline G4double G4Physics2DVector::GetX(std::size_t index) const
  {
    return xVector[index];
  }
  
  inline G4double G4Physics2DVector::GetY(std::size_t index) const
  {
    return yVector[index];
  }
  
  inline G4double G4Physics2DVector::GetValue(std::size_t idx,
                                              std::size_t idy) const
  {
    return (*(value[idy]))[idx];
  }
  
  inline G4double G4Physics2DVector::FindLinearX(G4double rand, G4double y) const
  {
    std::size_t idy = 0;
    return FindLinearX(rand, y, idy);
  }
  
  inline std::size_t G4Physics2DVector::GetLengthX() const
  {
    return numberOfXNodes;
  }
  
  inline std::size_t G4Physics2DVector::GetLengthY() const
  {
    return numberOfYNodes;
  }
  
  inline G4PhysicsVectorType G4Physics2DVector::GetType() const { return type; }
  
  inline void G4Physics2DVector::SetBicubicInterpolation(G4bool val)
  {
    useBicubic = val;
  }
  
  inline std::size_t G4Physics2DVector::FindBin(const G4double z,
                                                const G4PV2DDataVector& v,
                                                const std::size_t idx,
                                                const std::size_t idxmax) const
  {
    std::size_t id = idx;
    if(z <= v[1])
   {
     id = 0;
   }
   else if(z >= v[idxmax])
   {
     id = idxmax;
   }
   else if(idx > idxmax || z < v[idx] || z > v[idx + 1])
   {
     id = std::lower_bound(v.begin(), v.end(), z) - v.begin() - 1;
   }
   return id;
 }
 
 inline std::size_t G4Physics2DVector::FindBinLocationX(
   const G4double x, const std::size_t idx) const
 {
   return FindBin(x, xVector, idx, numberOfXNodes - 2);
 }
 
 inline std::size_t G4Physics2DVector::FindBinLocationY(
   const G4double y, const std::size_t idy) const
 {
   return FindBin(y, yVector, idy, numberOfYNodes - 2);
 }
 
 inline void G4Physics2DVector::SetVerboseLevel(G4int val)
 {
   verboseLevel = val;
 }
 
 inline G4double G4Physics2DVector::DerivativeX(std::size_t idx, std::size_t idy,
                                                G4double fac) const
 {
   std::size_t i1 = idx;
   if(i1 > 0)
   {
     --i1;
   }
   std::size_t i2 = idx;
   if(i2 + 1 < numberOfXNodes)
   {
     ++i2;
   }
   return fac * (GetValue(i2, idy) - GetValue(i1, idy)) / (GetX(i2) - GetX(i1));
 }
 
 inline G4double G4Physics2DVector::DerivativeY(std::size_t idx, std::size_t idy,
                                                G4double fac) const
 {
   std::size_t i1 = idy;
   if(i1 > 0)
   {
     --i1;
   }
   std::size_t i2 = idy;
   if(i2 + 1 < numberOfYNodes)
   {
     ++i2;
   }
   return fac * (GetValue(idx, i2) - GetValue(idx, i1)) / (GetY(i2) - GetY(i1));
 }
 
 inline G4double G4Physics2DVector::DerivativeXY(std::size_t idx,
                                                 std::size_t idy,
                                                 G4double fac) const
 {
   std::size_t i1 = idx;
   if(i1 > 0)
   {
     --i1;
   }
   std::size_t i2 = idx;
   if(i2 + 1 < numberOfXNodes)
   {
     ++i2;
   }
   std::size_t j1 = idy;
   if(j1 > 0)
   {
     --j1;
   }
   std::size_t j2 = idy;
   if(j2 + 1 < numberOfYNodes)
   {
     ++j2;
   }
   return fac *
          (GetValue(i2, j2) - GetValue(i1, j2) - GetValue(i2, j1) +
           GetValue(i1, j1)) /
          ((GetX(i2) - GetX(i1)) * (GetY(j2) - GetY(j1)));
 }