Numerical::MultipleRoots< Instance > Class Template Reference

#include <multipleroots.h>

List of all members.

Public Types
typedef double(Instance::*	pFun )(double x) const
	Callback function.
Public Member Functions
	MultipleRoots (Instance const *p2Inst, pFun F, pFun G, pFun H, double Tol=sqrt(DBL_EPSILON), double Gamma=0.001)
void	Solve (double A, double B, Array< double > &R, bool Single=false) const
	Solve for all roots (R) in [A,B].
double	NRoots (double a, double b) const
	Computes the number of roots in [a,b].
void	SetTol (double Tol)
	Error tolerance.
void	SetGam (double Gam)
	Small positive constant.
void	SetQuadError (double Err)
	Quadrature Error tolerance.
int	Ncalls () const
	Number of calls to NRoots function.
int	Mcalls () const
	Number of calls to M(x) function.
void	ResetNcalls ()
	Reset the number of calls to NRoots function.
void	ResetMcalls ()
	Reset the number of calls to M(x) function.

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Detailed Description

template<typename Instance>
class Numerical::MultipleRoots< Instance >

Find all roots for F(x)=0 inside [A,B]. Examples:

• ttmultipleroots.cpp Test multipler roots solver

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Member Typedef Documentation

template<typename Instance >

typedef double(Instance::* Numerical::MultipleRoots< Instance >::pFun)(double x) const

Callback function.

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Constructor & Destructor Documentation

template<typename Instance >

Numerical::MultipleRoots< Instance >::MultipleRoots	(	Instance const *	p2Inst,
		pFun	F,
		pFun	G,
		pFun	H,
		double	Tol = sqrt(DBL_EPSILON),
		double	Gamma = 0.001
	)		[inline]

Constructor.

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Member Function Documentation

template<typename Instance >

int Numerical::MultipleRoots< Instance >::Mcalls

(

)

const [inline]

Number of calls to M(x) function.

template<typename Instance >

int Numerical::MultipleRoots< Instance >::Ncalls

(

)

const [inline]

Number of calls to NRoots function.

template<typename Instance >

double Numerical::MultipleRoots< Instance >::NRoots	(	double	a,
		double	b
	)		const [inline]

Computes the number of roots in [a,b].

template<typename Instance >

void Numerical::MultipleRoots< Instance >::ResetMcalls

(

)

[inline]

Reset the number of calls to M(x) function.

template<typename Instance >

void Numerical::MultipleRoots< Instance >::ResetNcalls

(

)

[inline]

Reset the number of calls to NRoots function.

template<typename Instance >

void Numerical::MultipleRoots< Instance >::SetGam

(

double

Gam

)

[inline]

Small positive constant.

template<typename Instance >

void Numerical::MultipleRoots< Instance >::SetQuadError

(

double

Err

)

[inline]

Quadrature Error tolerance.

template<typename Instance >

void Numerical::MultipleRoots< Instance >::SetTol

(

double

Tol

)

[inline]

Error tolerance.

template<typename Instance >

void Numerical::MultipleRoots< Instance >::Solve	(	double	A,
		double	B,
		Array< double > &	R,
		bool	Single = false
	)		const [inline]

Solve for all roots (R) in [A,B].

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

• /home/dorival/mechsys/lib/numerical/multipleroots.h