LookupTable2d.h

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#ifndef RecoJets_FFTJetAlgorithms_LookupTable2d_h
#define RecoJets_FFTJetAlgorithms_LookupTable2d_h
 
#include <vector>
 
namespace fftjetcms {
  class LookupTable2d {
  public:
    LookupTable2d(
        unsigned nx, double xmin, double xmax, unsigned ny, double ymin, double ymax, const std::vector<double>& data);
    LookupTable2d() = delete;
 
    inline const std::vector<double>& data() const { return data_; }
    inline unsigned nx() const { return nx_; }
    inline unsigned ny() const { return ny_; }
    inline double xmin() const { return xmin_; }
    inline double xmax() const { return xmax_; }
    inline double ymin() const { return ymin_; }
    inline double ymax() const { return ymax_; }
    inline double xstep() const { return bwx_; }
    inline double ystep() const { return bwy_; }
    inline double binValue(const unsigned ix, const unsigned iy) const { return data_.at(ix * ny_ + iy); }
 
    double closest(double x, double y) const;
 
  private:
    std::vector<double> data_;
    unsigned nx_;
    unsigned ny_;
    double xmin_;
    double xmax_;
    double ymin_;
    double ymax_;
    double bwx_;
    double bwy_;
  };
}  // namespace fftjetcms
 
#endif  // RecoJets_FFTJetAlgorithms_LookupTable2d_h