RGEvolutor Class Reference

A class for the RG evolutor of the Wilson coefficients. More...

#include <RGEvolutor.h>

Inheritance diagram for RGEvolutor:

Detailed Description

A class for the RG evolutor of the Wilson coefficients.

Author

HEPfit Collaboration

Copyright

GNU General Public License

Definition at line 24 of file RGEvolutor.h.

Public Member Functions
gslpp::matrix< double > *	Evol (orders order)
	Evolution matrix set at a fixed order of QCD coupling. More...
gslpp::matrix< double > *	Evol (orders_qed order_qed)
	Evolution matrix set at a fixed order of Electroweak coupling. More...
gslpp::matrix< double > **	getEvol () const
double	getM () const
	Retrieve the upper scale of the Wilson Coefficients. More...
	RGEvolutor (unsigned int dim, schemes scheme, orders order)
	constructor More...
	RGEvolutor (unsigned int dim, schemes scheme, orders order, orders_qed order_qed)
	constructor More...
void	setEvol (const gslpp::matrix< double > &m, orders order_i)
void	setEvol (const gslpp::matrix< double > &m, orders_qed order_qed_i)
void	setEvol (unsigned int i, unsigned int j, double x, orders order_i)
void	setEvol (unsigned int i, unsigned int j, double x, orders order_i, orders_qed order_qed)
void	setM (double M)
	Sets the upper scale for the running of the Wilson Coefficients. More...
void	setMu (double mu)
	Sets the lower scale for the running of the Wilson Coefficients. More...
void	setScales (double mu, double M)
	Sets the upper and lower scale for the running of the Wilson Coefficients. More...
virtual	~RGEvolutor ()
	destructor More...
Public Member Functions inherited from WilsonTemplate< gslpp::matrix< double > >
double	getMu () const
orders	getOrder () const
orders_qed	getOrder_qed () const
schemes	getScheme () const
unsigned int	getSize () const
virtual void	resetCoefficient ()
void	setScheme (schemes scheme)
	WilsonTemplate (const WilsonTemplate< gslpp::matrix< double > > &orig)
	WilsonTemplate (unsigned int dim, schemes scheme_i, orders order_i, orders_qed order_qed_i=NO_QED)
virtual	~WilsonTemplate ()

Protected Attributes
double	M
Protected Attributes inherited from WilsonTemplate< gslpp::matrix< double > >
gslpp::matrix< double > *	elem [MAXORDER_QED+1]
double	mu
orders	order
orders_qed	order_qed
schemes	scheme
unsigned int	size

Additional Inherited Members
Protected Member Functions inherited from WilsonTemplate< gslpp::matrix< double > >
gslpp::matrix< double > *	Elem (orders order) const
gslpp::matrix< double > *	Elem (orders_qed order_qed) const
void	setElem (const gslpp::matrix< double > &v, orders order_i)
void	setElem (const gslpp::matrix< double > &v, orders_qed order_qed_i)

Constructor & Destructor Documentation

RGEvolutor() [1/2]

RGEvolutor::RGEvolutor	(	unsigned int	dim,
		schemes	scheme,
		orders	order
	)

constructor

Parameters

[in]	dim	dimension of the operator basis
[in]	scheme	renormalizations scheme
[in]	order	order of QCD coupling

Definition at line 10 of file RGEvolutor.cpp.

: WilsonTemplate<gslpp::matrix<double> >(dim, scheme, order)
{}

RGEvolutor() [2/2]

RGEvolutor::RGEvolutor	(	unsigned int	dim,
		schemes	scheme,
		orders	order,
		orders_qed	order_qed
	)

constructor

Parameters

[in]	dim	dimension of the operator basis
[in]	scheme	renormalizations scheme
[in]	order	order of QCD coupling
[in]	order_qed	order of Electroweak coupling

Definition at line 14 of file RGEvolutor.cpp.

: WilsonTemplate<gslpp::matrix<double> >(dim, scheme, order, order_qed)
{}

~RGEvolutor()

RGEvolutor::~RGEvolutor ( )

virtual

destructor

Definition at line 18 of file RGEvolutor.cpp.

{}

Member Function Documentation

Evol() [1/2]

gslpp::matrix< double > * RGEvolutor::Evol

(

orders

order

)

Evolution matrix set at a fixed order of QCD coupling.

Parameters

[in]

order

order of QCD coupling

Returns

The RGE evolution matrix at a fixed order of QCD coupling

Definition at line 103 of file RGEvolutor.cpp.

{
    return Elem(order);
}

Evol() [2/2]

gslpp::matrix< double > * RGEvolutor::Evol

(

orders_qed

order_qed

)

Evolution matrix set at a fixed order of Electroweak coupling.

Parameters

[in]

order_qed

order of Electroweak coupling

Returns

The RGE evolution matrix at a fixed order of Electroweak coupling

Definition at line 108 of file RGEvolutor.cpp.

{
    return Elem(order_qed);
}

getEvol()

gslpp::matrix< double > ** RGEvolutor::getEvol

(

)

const

Returns

Definition at line 75 of file RGEvolutor.cpp.

{
    return (gslpp::matrix<double>**) elem;
}

getM()

double RGEvolutor::getM

(

)

const

Retrieve the upper scale of the Wilson Coefficients.

Returns

M The scale of the Wilson Coefficients set by the model

Definition at line 80 of file RGEvolutor.cpp.

{
    return M;
}

setEvol() [1/4]

void RGEvolutor::setEvol	(	const gslpp::matrix< double > &	m,
		orders	order_i
	)

Parameters

[in]	m	Evolution matrix
[in]	order_i	order of QCD coupling

Definition at line 65 of file RGEvolutor.cpp.

{
    setElem(m, order_i);
}

setEvol() [2/4]

void RGEvolutor::setEvol	(	const gslpp::matrix< double > &	m,
		orders_qed	order_qed_i
	)

Parameters

[in]	m
[in]	order_qed_i	order of Electroweak coupling

Definition at line 70 of file RGEvolutor.cpp.

{
    setElem(m, order_qed_i);
}

setEvol() [3/4]

void RGEvolutor::setEvol	(	unsigned int	i,
		unsigned int	j,
		double	x,
		orders	order_i
	)

Parameters

[in]	i
[in]	j
[in]	x
[in]	order_i	order of QCD coupling

Definition at line 21 of file RGEvolutor.cpp.

{    
    if (i > size || j > size) {
        std::stringstream out;
        out << i << " " << j;
        throw std::runtime_error("RGEvolutor::setEvol(): matrix indices " + out.str() + " out of range"); 
    }
    if (order_i > order) {
        std::stringstream out;
        out << order_i;
        throw std::runtime_error("RGEvolutor::setEvol(): order " + out.str() +" not implemented "); 
    }
    (*elem[order_i])(i,j) = x;   
}

setEvol() [4/4]

void RGEvolutor::setEvol	(	unsigned int	i,
		unsigned int	j,
		double	x,
		orders	order_i,
		orders_qed	order_qed
	)

Parameters

[in]	i
[in]	j
[in]	x
[in]	order_i	order of QCD coupling
[in]	order_qed	order of Electroweak coupling

Definition at line 36 of file RGEvolutor.cpp.

{    
    if (i > size || j > size) {
        std::stringstream out;
        out << i << " " << j;
        throw std::runtime_error("RGEvolutor::setEvol(): matrix indices " + out.str() + " out of range"); 
    }
    if (order_i > order) {
        std::stringstream out;
        out << order_i;
        throw std::runtime_error("RGEvolutor::setEvol(): order " + out.str() +" not implemented "); 
    }
    (*elem[order_i])(i,j) = x;
    
    if (order_qed != NO_QED){
    if (i > size || j > size) {
        std::stringstream out;
        out << i << " " << j;
        throw std::runtime_error("RGEvolutor::setEvol(): matrix indices " + out.str() + " out of range"); 
    }
    if (order_qed_i > order_qed) {
        std::stringstream out;
        out << order_i;
        throw std::runtime_error("RGEvolutor::setEvol(): order " + out.str() +" not implemented "); 
    }
    (*elem[order_qed_i])(i,j) = x;
    }
}

setM()

void RGEvolutor::setM

(

double

M

)

Sets the upper scale for the running of the Wilson Coefficients.

Parameters

[in]

M

Upper RGE running scale

Definition at line 93 of file RGEvolutor.cpp.

{
    setScales(mu, M);
}

setMu()

void RGEvolutor::setMu ( double  mu )

virtual

Sets the lower scale for the running of the Wilson Coefficients.

Parameters

[in]

mu

Lower RGE running scale

Reimplemented from WilsonTemplate< gslpp::matrix< double > >.

Definition at line 98 of file RGEvolutor.cpp.

{
    setScales(mu, M);
}

setScales()

void RGEvolutor::setScales	(	double	mu,
		double	M
	)

Sets the upper and lower scale for the running of the Wilson Coefficients.

Parameters

[in]	mu	Lower RGE running scale
[in]	M	Upper RGE running scale

Definition at line 85 of file RGEvolutor.cpp.

{
    this->M = M;
    this->mu = mu;
    resetCoefficient();
    *(elem[LO]) = gslpp::matrix<double>::Id(size);
}

Member Data Documentation

M

double RGEvolutor::M

protected

Definition at line 142 of file RGEvolutor.h.

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

• RGEvolutor.h
• RGEvolutor.cpp