fl::Constant Class Reference

The Constant class is a (zero) polynomial Term that represents a constant value \( f(x) = k \). More...

#include <Constant.h>

Inheritance diagram for fl::Constant:

Collaboration diagram for fl::Constant:

Public Member Functions
	Constant (const std::string &name="", scalar value=fl::nan)
virtual	~Constant () FL_IOVERRIDE
virtual std::string	className () const FL_IOVERRIDE
	Returns the name of the class of the term. More...
virtual std::string	parameters () const FL_IOVERRIDE
	Returns the parameters of the term. More...
virtual void	configure (const std::string &parameters) FL_IOVERRIDE
	Configures the term with the parameters. More...
virtual Complexity	complexity () const FL_IOVERRIDE
	Computes the estimated complexity of evaluating the membership function. More...
virtual scalar	membership (scalar x) const FL_IOVERRIDE
	Computes the membership function evaluated at \(x\). More...
virtual void	setValue (scalar value)
	Sets the constant value. More...
virtual scalar	getValue () const
	Gets the constant value. More...
virtual Constant *	clone () const FL_IOVERRIDE
	Creates a clone of the term. More...
Public Member Functions inherited from fl::Term
	Term (const std::string &name="", scalar height=1.0)
virtual	~Term ()
virtual void	setName (const std::string &name)
	Sets the name of the term. More...
virtual std::string	getName () const
	Gets the name of the term. More...
virtual void	setHeight (scalar height)
	Sets the height of the term. More...
virtual scalar	getHeight () const
	Gets the height of the term. More...
virtual std::string	toString () const
	Returns the representation of the term in the FuzzyLite Language. More...
virtual void	updateReference (const Engine *engine)
	Updates the references (if any) to point to the current engine (useful when cloning engines or creating terms within Importer objects. More...

Static Public Member Functions
static Term *	constructor ()

Additional Inherited Members
Protected Attributes inherited from fl::Term
scalar	_height

Detailed Description

The Constant class is a (zero) polynomial Term that represents a constant value \( f(x) = k \).

Author

Juan Rada-Vilela, Ph.D.

See also

Term

Variable

Since

4.0

Definition at line 33 of file Constant.h.

Constructor & Destructor Documentation

Constant()

fl::Constant::Constant ( const std::string &  name = "", scalar  value = fl::nan  )

explicit

~Constant()

virtual fl::Constant::~Constant ( )

virtual

Member Function Documentation

className()

virtual std::string fl::Constant::className ( ) const

virtual

Returns the name of the class of the term.

Returns

the name of the class of the term

Implements fl::Term.

clone()

virtual Constant* fl::Constant::clone ( ) const

virtual

Creates a clone of the term.

Returns

a clone of the term

Implements fl::Term.

complexity()

virtual Complexity fl::Constant::complexity ( ) const

virtual

Computes the estimated complexity of evaluating the membership function.

Returns

the estimated complexity of evaluating the membership function

Implements fl::Term.

configure()

virtual void fl::Constant::configure ( const std::string &  parameters )

virtual

Configures the term with the parameters.

Parameters

parameters

as "value"

Implements fl::Term.

constructor()

static Term* fl::Constant::constructor ( )

static

getValue()

virtual scalar fl::Constant::getValue ( ) const

virtual

Gets the constant value.

Returns

the constant value

membership()

virtual scalar fl::Constant::membership ( scalar  x ) const

virtual

Computes the membership function evaluated at \(x\).

Parameters

x	is irrelevant

Returns

\(c\), where \(c\) is the constant value

Implements fl::Term.

parameters()

virtual std::string fl::Constant::parameters ( ) const

virtual

Returns the parameters of the term.

Returns

"value"

Implements fl::Term.

setValue()

virtual void fl::Constant::setValue ( scalar  value )

virtual

Sets the constant value.

Parameters

value

is the constant value

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

• fuzzylite/fl/term/Constant.h