Internal storage class for PDF data point grids. More...

#include <KnotArray.h>

Public Member Functions
size_t	size () const
	How many flavours are stored in the grid stored.

size_t	xsize () const
	How many x knots are there.

size_t	q2size () const
	How many q2 knots are there.

bool	empty () const
	Is this container empty?

size_t	ixbelow (double x) const
	find the largest grid index below given x, such that xknots[index] < x

size_t	iq2below (double q2) const
	find the largest grid index below given q2, such that q2knots[index] < q2

double	xf (int ix, int iq2, int ipid) const
	convenient accessor to the grid values

const double &	coeff (int ix, int iq2, int pid, int in) const
	convenient accessor to the polynomial coefficients, returns reference rather than value, to be able to read multiple adjacent at once

int	lookUpPid (size_t id) const
	accessor to the internal 'lookup table' for the pid's

double	xs (size_t id) const

double	logxs (size_t id) const

double	q2s (size_t id) const

double	logq2s (size_t id) const

size_t	shape (size_t id) const

bool	inRangeX (double x) const
	check if value within the boundaries of xknots

bool	inRangeQ2 (double q2) const
	check if value within the boundaries of q2knots

int	get_pid (int id) const

bool	has_pid (int id) const

void	initPidLookup ()

void	fillLogKnots ()

const std::vector< double > &	xs () const
	Const accessors to the internal data container.

const std::vector< double > &	logxs () const

const std::vector< double > &	q2s () const

const std::vector< double > &	logq2s () const

std::vector< double > &	setCoeffs ()
	Non const accessors for programmatic filling.

std::vector< double > &	setGrid ()

std::vector< double > &	setxknots ()

std::vector< double > &	setq2knots ()

std::vector< size_t > &	setShape ()

std::vector< int > &	setPids ()

Private Attributes
std::vector< size_t >	_shape

std::vector< double >	_grid

std::vector< double >	_coeffs

std::vector< int >	_pids

std::vector< int >	_lookup

std::vector< double >	_xs

std::vector< double >	_q2s

std::vector< double >	_logxs

std::vector< double >	_logq2s

Detailed Description

Internal storage class for PDF data point grids.

We use "array" to refer to the "raw" knot grid, while "grid" means a grid-based PDF. The "1F" means that this is a single-flavour array

The documentation for this class was generated from the following file:

/home/andy/proj/hep/lhapdf6/include/LHAPDF/KnotArray.h

Public Member Functions

Private Attributes

Detailed Description