ePDF::xDistributions Class Reference

The "xDistribution" class. More...

#include <xdistributions.h>

Public Member Functions
	xDistributions (YAML::Node const &config)
	The "xDistribution" constructor. More...
	~xDistributions ()
	The "xDistribution" destructor. More...
std::vector< double >	Evolve (double const &x, double const &Q)
	Function that returns the PDFs in x space. More...
std::vector< double >	integrand (double const &y) const
	Interfaces to the integrand functions according to the path chosen to perform the inverse Mellin transform. More...
std::vector< double >	talbot (double const &y) const
std::vector< double >	straight (double const &y) const
std::vector< double >	trapezoid (double const &a, double const &b) const
	Integrators functions. More...
std::vector< double >	gauss (double const &a, double const &b) const
std::vector< double >	gaussGSL (double const &a, double const &b)
std::vector< std::complex< double > >	Moments (std::complex< double > const &N, double const &Q) const
	Function that returns the N-th (complex) moment of PDFs. More...
void	SetParameters (evol_params const &p)
	Function that sets the parameter structure externally. More...

Private Attributes
const std::string	_contour
const std::string	_integrator
const double	_eps
evol_params	_p
gsl_integration_workspace *	_w

Detailed Description

The "xDistribution" class.

Constructor & Destructor Documentation

xDistributions()

ePDF::xDistributions::xDistributions

(

YAML::Node const &

config

)

The "xDistribution" constructor.

Parameters

config

the YAML:Node with the parameters

~xDistributions()

ePDF::xDistributions::~xDistributions

(

)

The "xDistribution" destructor.

Member Function Documentation

Evolve()

std::vector<double> ePDF::xDistributions::Evolve	(	double const &	x,
		double const &	Q
	)

Function that returns the PDFs in x space.

Parameters

x	Bjorken x
Q	the final scale

gauss()

std::vector<double> ePDF::xDistributions::gauss	(	double const &	a,
		double const &	b
	)		const

gaussGSL()

std::vector<double> ePDF::xDistributions::gaussGSL	(	double const &	a,
		double const &	b
	)

integrand()

std::vector<double> ePDF::xDistributions::integrand

(

double const &

y

)

const

Interfaces to the integrand functions according to the path chosen to perform the inverse Mellin transform.

Moments()

std::vector<std::complex<double> > ePDF::xDistributions::Moments	(	std::complex< double > const &	N,
		double const &	Q
	)		const

Function that returns the N-th (complex) moment of PDFs.

Parameters

N	moment
Q	the final scale

SetParameters()

void ePDF::xDistributions::SetParameters ( evol_params const &  p )

inline

Function that sets the parameter structure externally.

Parameters

p	the input structure

straight()

std::vector<double> ePDF::xDistributions::straight

(

double const &

y

)

const

talbot()

std::vector<double> ePDF::xDistributions::talbot

(

double const &

y

)

const

trapezoid()

std::vector<double> ePDF::xDistributions::trapezoid	(	double const &	a,
		double const &	b
	)		const

Integrators functions.

Member Data Documentation

_contour

const std::string ePDF::xDistributions::_contour

private

_eps

const double ePDF::xDistributions::_eps

private

_integrator

const std::string ePDF::xDistributions::_integrator

private

_p

evol_params ePDF::xDistributions::_p

private

_w

gsl_integration_workspace* ePDF::xDistributions::_w

private

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

• /Users/vbertone/Codes/ePDF/inc/ePDF/xdistributions.h