#include <geant4/tree/geant4-10.6-release/source/processes/hadronic/models/util/include/G4PolynomialPDF.hh>

Collaboration diagram for G4PolynomialPDF:

Public Member Functions
	G4PolynomialPDF (size_t n=0, const double *coeffs=nullptr, G4double x1=0, G4double x2=1)

	~G4PolynomialPDF ()

void	SetNCoefficients (size_t n)

size_t	GetNCoefficients () const

void	SetCoefficients (const std::vector< G4double > &v)

G4double	GetCoefficient (size_t i) const

void	SetCoefficient (size_t i, G4double value, bool doSimplify)

void	SetCoefficients (size_t n, const G4double *coeffs)

void	Simplify ()

void	SetDomain (G4double x1, G4double x2)

void	Normalize ()

G4double	Evaluate (G4double x, G4int ddxPower=0)

G4double	GetRandomX ()

void	SetTolerance (G4double tolerance)

G4double	GetX (G4double p, G4double x1, G4double x2, G4int ddxPower=0, G4double guess=1.e99, G4bool bisect=true)

G4double	EvalInverseCDF (G4double p)

G4double	Bisect (G4double p, G4double x1, G4double x2)

void	Dump ()

Protected Member Functions
G4bool	HasNegativeMinimum (G4double x1, G4double x2)

Protected Attributes
G4double	fX1

G4double	fX2

std::vector< G4double >	fCoefficients

G4bool	fChanged

G4double	fTolerance

G4int	fVerbose

Detailed Description

Definition at line 49 of file G4PolynomialPDF.hh.

View newest version in sPHENIX GitHub at line 49 of file G4PolynomialPDF.hh

Constructor & Destructor Documentation

G4PolynomialPDF::G4PolynomialPDF	(	size_t	n = `0`,
		const double *	coeffs = `nullptr`,
		G4double	x1 = `0`,
		G4double	x2 = `1`
	)

Definition at line 43 of file G4PolynomialPDF.cc.

View newest version in sPHENIX GitHub at line 43 of file G4PolynomialPDF.cc

References SetCoefficients(), and SetNCoefficients().

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G4PolynomialPDF::~G4PolynomialPDF ( )

Definition at line 51 of file G4PolynomialPDF.cc.

View newest version in sPHENIX GitHub at line 51 of file G4PolynomialPDF.cc

Member Function Documentation

G4double G4PolynomialPDF::Bisect	(	G4double	p,
		G4double	x1,
		G4double	x2
	)

Definition at line 392 of file G4PolynomialPDF.cc.

View newest version in sPHENIX GitHub at line 392 of file G4PolynomialPDF.cc

References Evaluate(), fX1, fX2, GetX(), x1, and z.

Referenced by GetX().

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void G4PolynomialPDF::Dump ( )

Definition at line 401 of file G4PolynomialPDF.cc.

View newest version in sPHENIX GitHub at line 401 of file G4PolynomialPDF.cc

References fX1, fX2, G4cout, G4endl, GetCoefficient(), and GetNCoefficients().

Referenced by Normalize().

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G4double G4PolynomialPDF::EvalInverseCDF ( G4double p )

inline

Definition at line 102 of file G4PolynomialPDF.hh.

View newest version in sPHENIX GitHub at line 102 of file G4PolynomialPDF.hh

References fX1, fX2, and GetX().

Referenced by GetRandomX().

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G4double G4PolynomialPDF::Evaluate	(	G4double	x,
		G4int	ddxPower = `0`
	)

Evaluate f(x) ddxPower = -1: f = CDF ddxPower = 0: f = PDF ddxPower = 1: f = (d/dx) PDF ddxPower = 2: f = (d2/dx2) PDF

Definition at line 131 of file G4PolynomialPDF.cc.

View newest version in sPHENIX GitHub at line 131 of file G4PolynomialPDF.cc

References f, fVerbose, fX1, G4cout, G4endl, GetCoefficient(), GetNCoefficients(), and x.

Referenced by Bisect(), and HasNegativeMinimum().

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G4double G4PolynomialPDF::GetCoefficient ( size_t i ) const

inline

Definition at line 62 of file G4PolynomialPDF.hh.

View newest version in sPHENIX GitHub at line 62 of file G4PolynomialPDF.hh

References fCoefficients.

Referenced by Dump(), Evaluate(), GetX(), HasNegativeMinimum(), and Normalize().

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size_t G4PolynomialPDF::GetNCoefficients ( ) const

inline

Definition at line 58 of file G4PolynomialPDF.hh.

View newest version in sPHENIX GitHub at line 58 of file G4PolynomialPDF.hh

References fCoefficients.

Referenced by Dump(), Evaluate(), GetX(), HasNegativeMinimum(), Normalize(), and SetCoefficients().

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G4double G4PolynomialPDF::GetRandomX ( )

Definition at line 207 of file G4PolynomialPDF.cc.

View newest version in sPHENIX GitHub at line 207 of file G4PolynomialPDF.cc

References EvalInverseCDF(), fChanged, fVerbose, fX1, fX2, G4cout, G4endl, G4UniformRand, HasNegativeMinimum(), and Normalize().

Referenced by G4PolarizationTransition::GenerateGammaCosTheta().

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G4double G4PolynomialPDF::GetX	(	G4double	p,
		G4double	x1,
		G4double	x2,
		G4int	ddxPower = `0`,
		G4double	guess = `1.e99`,
		G4bool	bisect = `true`
	)

Find a value of X between x1 and x2 at which f(x) = p. ddxPower = -1: f = CDF ddxPower = 0: f = PDF ddxPower = 1: f = (d/dx) PDF Uses the Newton-Raphson method to find the zero of f(x) - p. If not found in range, returns the nearest boundary

Definition at line 223 of file G4PolynomialPDF.cc.

View newest version in sPHENIX GitHub at line 223 of file G4PolynomialPDF.cc

References a, b, Bisect(), c, f, fTolerance, fVerbose, fX1, fX2, G4cout, G4endl, GetCoefficient(), GetNCoefficients(), x1, and x2.

Referenced by Bisect(), EvalInverseCDF(), and HasNegativeMinimum().

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G4bool G4PolynomialPDF::HasNegativeMinimum	(	G4double	x1,
		G4double	x2
	)

protected

Definition at line 166 of file G4PolynomialPDF.cc.

View newest version in sPHENIX GitHub at line 166 of file G4PolynomialPDF.cc

References Evaluate(), fTolerance, fVerbose, fX2, G4cout, G4endl, GetCoefficient(), GetNCoefficients(), GetX(), x1, and x2.

Referenced by GetRandomX().

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void G4PolynomialPDF::Normalize ( )

Normalize PDF to 1 over domain fX1 to fX2. Double-check that the highest-order coefficient is non-zero.

Definition at line 100 of file G4PolynomialPDF.cc.

View newest version in sPHENIX GitHub at line 100 of file G4PolynomialPDF.cc

References Dump(), fCoefficients, fVerbose, fX1, fX2, G4cout, G4endl, GetCoefficient(), GetNCoefficients(), SetCoefficient(), Simplify(), and sum.

Referenced by GetRandomX().

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void G4PolynomialPDF::SetCoefficient	(	size_t	i,
		G4double	value,
		bool	doSimplify
	)

Definition at line 54 of file G4PolynomialPDF.cc.

View newest version in sPHENIX GitHub at line 54 of file G4PolynomialPDF.cc

References fChanged, fCoefficients, and Simplify().

Referenced by Normalize(), and SetCoefficients().

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void G4PolynomialPDF::SetCoefficients ( const std::vector< G4double > & v )

inline

Definition at line 59 of file G4PolynomialPDF.hh.

View newest version in sPHENIX GitHub at line 59 of file G4PolynomialPDF.hh

References fChanged, fCoefficients, Simplify(), and v.

Referenced by G4PolynomialPDF(), and G4PolarizationTransition::GenerateGammaCosTheta().

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void G4PolynomialPDF::SetCoefficients	(	size_t	n,
		const G4double *	coeffs
	)

Definition at line 63 of file G4PolynomialPDF.cc.

View newest version in sPHENIX GitHub at line 63 of file G4PolynomialPDF.cc

References fChanged, GetNCoefficients(), SetCoefficient(), SetNCoefficients(), and Simplify().

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void G4PolynomialPDF::SetDomain	(	G4double	x1,
		G4double	x2
	)

Definition at line 86 of file G4PolynomialPDF.cc.

View newest version in sPHENIX GitHub at line 86 of file G4PolynomialPDF.cc

References fChanged, fVerbose, fX1, fX2, G4cout, G4endl, x1, and x2.

void G4PolynomialPDF::SetNCoefficients ( size_t n )

inline

Definition at line 57 of file G4PolynomialPDF.hh.

View newest version in sPHENIX GitHub at line 57 of file G4PolynomialPDF.hh

References fChanged, and fCoefficients.

Referenced by G4PolynomialPDF(), and SetCoefficients().

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void G4PolynomialPDF::SetTolerance ( G4double tolerance )

inline

Definition at line 87 of file G4PolynomialPDF.hh.

View newest version in sPHENIX GitHub at line 87 of file G4PolynomialPDF.hh

References fTolerance.

void G4PolynomialPDF::Simplify ( )

Definition at line 74 of file G4PolynomialPDF.cc.

View newest version in sPHENIX GitHub at line 74 of file G4PolynomialPDF.cc

References fChanged, fCoefficients, fVerbose, G4cout, and G4endl.

Referenced by Normalize(), SetCoefficient(), and SetCoefficients().

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Member Data Documentation

G4bool G4PolynomialPDF::fChanged

protected

Definition at line 114 of file G4PolynomialPDF.hh.

View newest version in sPHENIX GitHub at line 114 of file G4PolynomialPDF.hh

Referenced by GetRandomX(), SetCoefficient(), SetCoefficients(), SetDomain(), SetNCoefficients(), and Simplify().

std::vector<G4double> G4PolynomialPDF::fCoefficients

protected

Definition at line 113 of file G4PolynomialPDF.hh.

View newest version in sPHENIX GitHub at line 113 of file G4PolynomialPDF.hh

Referenced by GetCoefficient(), GetNCoefficients(), Normalize(), SetCoefficient(), SetCoefficients(), SetNCoefficients(), and Simplify().

G4double G4PolynomialPDF::fTolerance

protected

Definition at line 115 of file G4PolynomialPDF.hh.

View newest version in sPHENIX GitHub at line 115 of file G4PolynomialPDF.hh

Referenced by GetX(), HasNegativeMinimum(), and SetTolerance().

G4int G4PolynomialPDF::fVerbose

protected

Definition at line 116 of file G4PolynomialPDF.hh.

View newest version in sPHENIX GitHub at line 116 of file G4PolynomialPDF.hh

Referenced by Evaluate(), GetRandomX(), GetX(), HasNegativeMinimum(), Normalize(), SetDomain(), and Simplify().

G4double G4PolynomialPDF::fX1

protected

Definition at line 111 of file G4PolynomialPDF.hh.

View newest version in sPHENIX GitHub at line 111 of file G4PolynomialPDF.hh

Referenced by Bisect(), Dump(), EvalInverseCDF(), Evaluate(), GetRandomX(), GetX(), Normalize(), and SetDomain().

G4double G4PolynomialPDF::fX2

protected

Definition at line 112 of file G4PolynomialPDF.hh.

View newest version in sPHENIX GitHub at line 112 of file G4PolynomialPDF.hh

Referenced by Bisect(), Dump(), EvalInverseCDF(), GetRandomX(), GetX(), HasNegativeMinimum(), Normalize(), and SetDomain().

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

geant4/tree/geant4-10.6-release/source/processes/hadronic/models/util/include/G4PolynomialPDF.hh
geant4/tree/geant4-10.6-release/source/processes/hadronic/models/util/src/G4PolynomialPDF.cc

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation