This represents a bivariate polynomial and provides some functionality for it. More...

#include <pcl/common/bivariate_polynomial.h>

Public Member Functions
	BivariatePolynomialT (int new_degree=0)
	Constructor.
	BivariatePolynomialT (const BivariatePolynomialT &other)
	Copy constructor.
	~BivariatePolynomialT ()
	Destructor.
BivariatePolynomialT &	operator= (const BivariatePolynomialT &other)
	= operator
void	setDegree (int new_degree)
	Initialize members to default values.
unsigned int	getNoOfParameters () const
	How many parameters has a bivariate polynomial with this degree.
real	getValue (real x, real y) const
	Calculate the value of the polynomial at the given point.
void	calculateGradient (bool forceRecalc=false)
	Calculate the gradient of this polynomial If forceRecalc is false, it will do nothing when the gradient already exists.
void	getValueOfGradient (real x, real y, real &gradX, real &gradY)
	Calculate the value of the gradient at the given point.
void	findCriticalPoints (std::vector< real > &x_values, std::vector< real > &y_values, std::vector< int > &types) const
	Returns critical points of the polynomial.
void	writeBinary (std::ostream &os) const
	write as binary to a stream
void	writeBinary (const char *filename) const
	write as binary into a file
void	readBinary (std::istream &os)
	read binary from a stream
void	readBinary (const char *filename)
	read binary from a file

Static Public Member Functions
static unsigned int	getNoOfParametersFromDegree (int n)
	How many parameters has a bivariate polynomial of the given degree.

Public Attributes
int	degree {0}
real *	parameters {nullptr}
BivariatePolynomialT< real > *	gradient_x {nullptr}
BivariatePolynomialT< real > *	gradient_y {nullptr}

Protected Member Functions
void	memoryCleanUp ()
	Delete all members.
void	deepCopy (const BivariatePolynomialT< real > &other)
	Create a deep copy of the given polynomial.

Detailed Description

template<typename real>
class pcl::BivariatePolynomialT< real >

This represents a bivariate polynomial and provides some functionality for it.

Author: Bastian Steder

Definition at line 53 of file bivariate_polynomial.h.

Constructor & Destructor Documentation

◆ BivariatePolynomialT() [1/2]

template<typename real>

pcl::BivariatePolynomialT< real >::BivariatePolynomialT ( int new_degree = 0 )

Constructor.

Definition at line 55 of file bivariate_polynomial.hpp.

References setDegree().

Referenced by BivariatePolynomialT().

◆ BivariatePolynomialT() [2/2]

template<typename real>

pcl::BivariatePolynomialT< real >::BivariatePolynomialT ( const BivariatePolynomialT< real > & other )

Copy constructor.

Definition at line 62 of file bivariate_polynomial.hpp.

References BivariatePolynomialT(), and deepCopy().

◆ ~BivariatePolynomialT()

template<typename real>

pcl::BivariatePolynomialT< real >::~BivariatePolynomialT ( )

Destructor.

Definition at line 69 of file bivariate_polynomial.hpp.

References memoryCleanUp().

Member Function Documentation

◆ calculateGradient()

template<typename real>

void pcl::BivariatePolynomialT< real >::calculateGradient ( bool forceRecalc = false )

Calculate the gradient of this polynomial If forceRecalc is false, it will do nothing when the gradient already exists.

Definition at line 139 of file bivariate_polynomial.hpp.

References degree, gradient_x, gradient_y, and parameters.

Referenced by getValueOfGradient().

◆ deepCopy()

template<typename real>

void pcl::BivariatePolynomialT< real >::deepCopy ( const BivariatePolynomialT< real > & other )

protected

Create a deep copy of the given polynomial.

Definition at line 106 of file bivariate_polynomial.hpp.

References degree, getNoOfParameters(), gradient_x, gradient_y, memoryCleanUp(), and parameters.

Referenced by BivariatePolynomialT(), and pcl::BivariatePolynomialT< double >::operator=().

◆ findCriticalPoints()

template<typename real>

void pcl::BivariatePolynomialT< real >::findCriticalPoints	(	std::vector< real > &	x_values,
		std::vector< real > &	y_values,
		std::vector< int > &	types ) const