Derived class from Expression to implement the Null operator (zero). More...

#include <expression.h>

Inheritance diagram for apfel::Null:

Public Member Functions
	Null ()

Public Member Functions inherited from apfel::Expression
virtual	~Expression ()=default

void	SetExternalVariable (double const &extvar) const
	Function that sets the value of a possible external variable.

double	eta () const
	Function that returns the value of the scaling parameter eta.

	Expression (double const &eta=1)
	The "Expression" constructor.

virtual double	Regular (double const &) const
	Virtual regular term.

virtual double	Singular (double const &) const
	Virtual singular term.

virtual double	Local (double const &) const
	Virtual local term.

virtual double	LocalPP (double const &) const
	Virtual local term for principal-valued integrals a la ERBL with singularity at x = 1, i.e. corresponding to the ++-prescription.

virtual double	SingularPV (double const &) const
	Virtual singular term for principal-valued integrals in the DGLAP region (i.e. with pole in x in the interval (0,1)).

virtual double	LocalPV (double const &) const
	Virtual local term for principal-valued integrals a la DGLAP with singularity in the interval (0,1).

Additional Inherited Members
Protected Attributes inherited from apfel::Expression
double	_extvar
	External kinematic variable.

double const	_eta
	Scaling parameter.

Detailed Description

Derived class from Expression to implement the Null operator (zero).

Constructor & Destructor Documentation

apfel::Null::Null ( )

inline

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