A class for 3rd order polynomials on the form: a x^3 + b x^2 + c x + d. More...

Inheritance diagram for ThirdOrderPoly:

Public Member Functions
	ThirdOrderPoly (float a_=0, float b_=0, float c_=0, float d_=0)

void	setFromSamples (float y0, float y1, float y2, float y3)

float	getValue (float pos) const

SecondOrderPoly *	createDerivative () const

int	getExtremePos (float &pos0, float &pos1) const

Public Member Functions inherited from MathFunction< RT, PT >
virtual RT	getNDValue (const PT *pos) const

virtual int	getNrDim () const

virtual RT	getValue (PT) const =0

Public Member Functions inherited from MathFunctionND< RT, PT >
virtual	~MathFunctionND ()

Detailed Description

A class for 3rd order polynomials on the form: a x^3 + b x^2 + c x + d.

Constructor & Destructor Documentation

ThirdOrderPoly::ThirdOrderPoly	(	float	a_ = `0`,
		float	b_ = `0`,
		float	c_ = `0`,
		float	d_ = `0`
	)

inline

SecondOrderPoly* ThirdOrderPoly::createDerivative ( ) const

inline

int ThirdOrderPoly::getExtremePos	(	float &	pos0,
		float &	pos1
	)		const

inline

float ThirdOrderPoly::getValue ( float pos ) const

inline

void ThirdOrderPoly::setFromSamples	(	float	y0,
		float	y1,
		float	y2,
		float	y3
	)

inline

Fits the polynomial through the points. The points are considered to be sampled with y0 at x=-1 and y3 at x=2

float ThirdOrderPoly::a

float ThirdOrderPoly::b

float ThirdOrderPoly::c

float ThirdOrderPoly::d