#include <G4PolynomialPDF.hh>

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)

void	SetCoefficients (size_t n, const G4double *coeffs)

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

Detailed Description

Definition 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 44 of file G4PolynomialPDF.cc.

References SetCoefficients(), and SetNCoefficients().

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G4PolynomialPDF::~G4PolynomialPDF ( )

inline

Definition at line 54 of file G4PolynomialPDF.hh.

Member Function Documentation

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

Definition at line 334 of file G4PolynomialPDF.cc.

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

Referenced by GetX().

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void G4PolynomialPDF::Dump ( )

Definition at line 343 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 98 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 109 of file G4PolynomialPDF.cc.

References 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 60 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.

References fCoefficients.

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

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G4double G4PolynomialPDF::GetRandomX ( )

Definition at line 181 of file G4PolynomialPDF.cc.

References EvalInverseCDF(), fChanged, 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 194 of file G4PolynomialPDF.cc.

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

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

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

protected

Definition at line 142 of file G4PolynomialPDF.cc.

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

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 81 of file G4PolynomialPDF.cc.

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

Referenced by GetRandomX().

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

Definition at line 52 of file G4PolynomialPDF.cc.

References fChanged, and fCoefficients.

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.

References fCoefficients.

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

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

Definition at line 59 of file G4PolynomialPDF.cc.

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

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

Definition at line 69 of file G4PolynomialPDF.cc.

References fChanged, fX1, fX2, G4cout, and G4endl.

void G4PolynomialPDF::SetNCoefficients ( size_t n )

inline

Definition 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 84 of file G4PolynomialPDF.hh.

References fTolerance, and tolerance.

Member Data Documentation

G4bool G4PolynomialPDF::fChanged

protected

Definition at line 110 of file G4PolynomialPDF.hh.

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

std::vector<G4double> G4PolynomialPDF::fCoefficients

protected

Definition at line 109 of file G4PolynomialPDF.hh.

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

G4double G4PolynomialPDF::fTolerance

protected

Definition at line 111 of file G4PolynomialPDF.hh.

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

G4double G4PolynomialPDF::fX1

protected

Definition at line 107 of file G4PolynomialPDF.hh.

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

G4double G4PolynomialPDF::fX2

protected

Definition at line 108 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:

geant4.10.02.p02/source/processes/hadronic/models/util/include/G4PolynomialPDF.hh
geant4.10.02.p02/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