pic::Polynomial Class Reference

#include <polynomial.hpp>

Public Member Functions
	Polynomial ()
	Polynomial. More...
	Polynomial (int nCoeff)
	Polynomial. More...
	Polynomial (float *coeff, int nCoeff)
	coeffnomial More...
	~Polynomial ()
void	computeAllCoeffPositive ()
	computeAllCoeffPositive More...
void	print ()
	print More...
std::string	toString ()
float *	getArray (float *ret)
	getArray More...
float	eval (float x)
	eval More...
float	dEval (float x)
	dEval More...
void	fit (std::vector< float > &x, std::vector< float > &y, int n)
	fit More...
void	normalForm ()
	normalForm More...
Polynomial	horner (float d, float &remainder)
	horner More...
bool	getRoots (float *x)
	getRoots More...
bool	getAllRoots (float *x)
	getAllRoots More...

Static Public Member Functions
static bool	getQuarticRoots (float *p, float *x)
	getQuarticRoots –> MANDATORY p[5] == 1.0 More...
static bool	getSecondOrderRoots (float a, float b, float c, float *x0, float *x1)
	getSecondOrderRoots solves second order equations, ax^2 + b x + c = 0 More...
static bool	getSecondOrderRootsS (float a, float b, float c, float *x0, float *x1)
	getSecondOrderRootsS solves second order equations, ax^2 + 2 b x + c = 0; i.e., 2 b is even! More...

Public Attributes
std::vector< float >	coeff
bool	all_coeff_positive

Constructor & Destructor Documentation

Polynomial() [1/3]

pic::Polynomial::Polynomial ( )

inline

Polynomial.

Polynomial() [2/3]

pic::Polynomial::Polynomial ( int  nCoeff )

inline

Polynomial.

Parameters

nCoeff

Polynomial() [3/3]

pic::Polynomial::Polynomial ( float *  coeff, int  nCoeff  )

inline

coeffnomial

Parameters

coeff
nCoeff

~Polynomial()

pic::Polynomial::~Polynomial ( )

inline

Member Function Documentation

computeAllCoeffPositive()

void pic::Polynomial::computeAllCoeffPositive ( )

inline

computeAllCoeffPositive

dEval()

float pic::Polynomial::dEval ( float  x )

inline

dEval

Parameters

t

Returns

eval()

float pic::Polynomial::eval ( float  x )

inline

eval

Parameters

x

Returns

fit()

void pic::Polynomial::fit ( std::vector< float > &  x, std::vector< float > &  y, int  n  )

inline

fit

Parameters

x
y
n

getAllRoots()

bool pic::Polynomial::getAllRoots ( float *  x )

inline

getAllRoots

Parameters

x

Returns

getArray()

float* pic::Polynomial::getArray ( float *  ret )

inline

getArray

Returns

getQuarticRoots()

static bool pic::Polynomial::getQuarticRoots ( float *  p, float *  x  )

inlinestatic

getQuarticRoots –> MANDATORY p[5] == 1.0

Parameters

p
x

Returns

getRoots()

bool pic::Polynomial::getRoots ( float *  x )

inline

getRoots

Parameters

x

Returns

getSecondOrderRoots()

static bool pic::Polynomial::getSecondOrderRoots ( float  a, float  b, float  c, float *  x0, float *  x1  )

inlinestatic

getSecondOrderRoots solves second order equations, ax^2 + b x + c = 0

Parameters

a	is the a coefficient
b	is the b coefficient
c	is the c coefficient
x0	is the first zero
x1	is the second zero

Returns

It returns true, if x0 and x1 have a real value, false otherwise

getSecondOrderRootsS()

static bool pic::Polynomial::getSecondOrderRootsS ( float  a, float  b, float  c, float *  x0, float *  x1  )

inlinestatic

getSecondOrderRootsS solves second order equations, ax^2 + 2 b x + c = 0; i.e., 2 b is even!

Parameters

a	is the a coefficient
b	is the b coefficient
c	is the c coefficient
x0	is the first zero
x1	is the second zero

Returns

It returns true, if x0 and x1 have a real value, false otherwise

horner()

Polynomial pic::Polynomial::horner ( float  d, float &  remainder  )

inline

horner

Parameters

d
remainder

Returns

normalForm()

void pic::Polynomial::normalForm ( )

inline

normalForm

print()

void pic::Polynomial::print ( )

inline

print

toString()

std::string pic::Polynomial::toString ( )

inline

Member Data Documentation

all_coeff_positive

bool pic::Polynomial::all_coeff_positive

coeff

std::vector<float> pic::Polynomial::coeff

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

• C:/Users/Francesco/Documents/GitHub/piccante/include/util/polynomial.hpp