ThirdOrderPoly Class Reference

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)
SecondOrderPoly *	createDerivative () const
int	getExtremePos (float &pos0, float &pos1) const
float	getValue (float pos) const
void	setFromSamples (float y0, float y1, float y2, float y3)
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 ()

Public Attributes
float	a
float	b
float	c
float	d

Detailed Description

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

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Constructor & Destructor Documentation

ThirdOrderPoly()

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

inline

Member Function Documentation

createDerivative()

SecondOrderPoly* ThirdOrderPoly::createDerivative ( ) const

inline

getExtremePos()

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

inline

getValue()

float ThirdOrderPoly::getValue ( float  pos ) const

inline

setFromSamples()

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

Member Data Documentation

a

float ThirdOrderPoly::a

b

float ThirdOrderPoly::b

c

float ThirdOrderPoly::c

d

float ThirdOrderPoly::d