Cov2f.h

Go to the documentation of this file.

// AUTOMATICALLY GENERATED FILE - DO NOT EDIT
 
#ifndef EICD_Cov2f_H
#define EICD_Cov2f_H
 
#include <ostream>
 
#ifdef PODIO_JSON_OUTPUT
#include "nlohmann/json.hpp"
#endif
 
namespace eicd {
 
 
class Cov2f {
public:
  float xx{};
  float yy{};
  float xy{};
 
 Cov2f() : xx{0}, yy{0}, xy{0} {}
 Cov2f(double vx, double vy, double vxy = 0)
 : xx{static_cast<float>(vx)}, yy{static_cast<float>(vy)}, xy{static_cast<float>(vxy)} {}
 float operator()(unsigned i, unsigned j) const {
 // diagonal
 if (i == j) {
 return *(&xx + i);
 }
 // off-diagonal
 // we have as options (0, 1), and (1, 0)
 // note that, starting from xy, we find the correct element at (i+j+1)/2)
 return *(&xy + (i + j + 1) / 2);
 }
 
 
};
 
inline std::ostream& operator<<(std::ostream& o, const eicd::Cov2f& value) {
  o << value.xx << " ";
  o << value.yy << " ";
  o << value.xy << " ";
 
  return o;
}
 
#ifdef PODIO_JSON_OUTPUT
inline void to_json(nlohmann::json& j, const Cov2f& value) {
  j = nlohmann::json{
  {"xx", value.xx}
  ,{"yy", value.yy}
  ,{"xy", value.xy}
  };
}
#endif
 
} // namespace eicd
 
 
#endif