ThirdOrderPoly Class Reference

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

#include <mathfunc.h>

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 override
void	setFromSamples (float y0, float y1, float y2, float y3)
Public Member Functions inherited from MathFunction< float, float >
float	getNDValue (const float *pos) const override
int	getNrDim () const override
Public Member Functions inherited from MathFunctionND< RT, PT >
virtual	~MathFunctionND ()
virtual RT	getNDValue (const PT *) const =0

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.

<>

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

inlineoverridevirtual

Implements MathFunction< float, float >.

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