FFTJetAlgorithms/interface/LookupTable2d.h

0001 #ifndef RecoJets_FFTJetAlgorithms_LookupTable2d_h
0002 #define RecoJets_FFTJetAlgorithms_LookupTable2d_h
0003
0004 #include <vector>
0005
0006 namespace fftjetcms {
0007   class LookupTable2d {
0008   public:
0009     LookupTable2d(
0010         unsigned nx, double xmin, double xmax, unsigned ny, double ymin, double ymax, const std::vector<double>& data);
0011     LookupTable2d() = delete;
0012
0013     inline const std::vector<double>& data() const { return data_; }
0014     inline unsigned nx() const { return nx_; }
0015     inline unsigned ny() const { return ny_; }
0016     inline double xmin() const { return xmin_; }
0017     inline double xmax() const { return xmax_; }
0018     inline double ymin() const { return ymin_; }
0019     inline double ymax() const { return ymax_; }
0020     inline double xstep() const { return bwx_; }
0021     inline double ystep() const { return bwy_; }
0022     inline double binValue(const unsigned ix, const unsigned iy) const { return data_.at(ix * ny_ + iy); }
0023
0024     double closest(double x, double y) const;
0025
0026   private:
0027     std::vector<double> data_;
0028     unsigned nx_;
0029     unsigned ny_;
0030     double xmin_;
0031     double xmax_;
0032     double ymin_;
0033     double ymax_;
0034     double bwx_;
0035     double bwy_;
0036   };
0037 }  // namespace fftjetcms
0038
0039 #endif  // RecoJets_FFTJetAlgorithms_LookupTable2d_h