#include <LookupTable2d.h>

Public Member Functions
double	binValue (const unsigned ix, const unsigned iy) const
double	closest (double x, double y) const
const std::vector< double > &	data () const
	LookupTable2d (unsigned nx, double xmin, double xmax, unsigned ny, double ymin, double ymax, const std::vector< double > &data)
unsigned	nx () const
unsigned	ny () const
double	xmax () const
double	xmin () const
double	xstep () const
double	ymax () const
double	ymin () const
double	ystep () const
Private Member Functions
	LookupTable2d ()
Private Attributes
double	bwx_
double	bwy_
std::vector< double >	data_
unsigned	nx_
unsigned	ny_
double	xmax_
double	xmin_
double	ymax_
double	ymin_

Detailed Description

Definition at line 7 of file LookupTable2d.h.

Constructor & Destructor Documentation

fftjetcms::LookupTable2d::LookupTable2d	(	unsigned	nx,
		double	xmin,
		double	xmax,
		unsigned	ny,
		double	ymin,
		double	ymax,
		const std::vector< double > &	data
	)

Definition at line 7 of file LookupTable2d.cc.

References data_, nx_, ny_, xmax_, xmin_, ymax_, and ymin_.

        : data_(data),
          nx_(nx),
          ny_(ny),
          xmin_(xmin),
          xmax_(xmax),
          ymin_(ymin),
          ymax_(ymax),
          bwx_((xmax - xmin)/nx),
          bwy_((ymax - ymin)/ny)
    {
        assert(nx_);
        assert(ny_);
        assert(xmin_ < xmax_);
        assert(ymin_ < ymax_);
        assert(data_.size() == nx_*ny_);
    }

fftjetcms::LookupTable2d::LookupTable2d ( ) [private]

Member Function Documentation

double fftjetcms::LookupTable2d::binValue	(	const unsigned	ix,
		const unsigned	iy
	)		const `[inline]`

Definition at line 23 of file LookupTable2d.h.

References data_, and ny_.

            {return data_.at(ix*ny_ + iy);}

double fftjetcms::LookupTable2d::closest	(	double	x,
		double	y
	)		const

Definition at line 27 of file LookupTable2d.cc.

References bwx_, bwy_, data_, nx_, ny_, xmax_, xmin_, ymax_, and ymin_.

Referenced by fftjetcms::EtaAndPtLookupPeakSelector::operator()().

    {
        const unsigned ix = x <= xmin_ ? 0U : x >= xmax_-bwx_/2.0 ? nx_ - 1U : 
            static_cast<unsigned>((x - xmin_)/bwx_);
        const unsigned iy = y <= ymin_ ? 0U : y >= ymax_-bwy_/2.0 ? ny_ - 1U : 
            static_cast<unsigned>((y - ymin_)/bwy_);
        return data_[ix*ny_ + iy];
    }