Template implementation. More...

Classes
class	Activated
	The Activated class is a special Term that contains pointers to the necessary information of a term that has been activated as part of the Antecedent of a Rule. More...

class	Activation
	The Activation class is the abstract class for RuleBlock activation methods. More...

class	ActivationFactory
	The ActivationFactory class is a ConstructionFactory of Activation methods for RuleBlocks. More...

class	Aggregated
	The Aggregated class is a special Term that stores a fuzzy set with the Activated terms from the Antecedents of a Rule, thereby serving mainly as the fuzzy output value of the OutputVariables. More...

class	Antecedent
	The Antecedent class is an expression tree that represents and evaluates the antecedent of a Rule. More...

class	Any
	The Any class is a special Hedge that always returns `1.0`. More...

class	Bell
	The Bell class is an extended Term that represents the generalized bell curve membership function. More...

class	Benchmark
	The Benchmark class is designed to evaluate the performance of an Engine. More...

class	Binary
	The Binary class is an edge Term that represents the binary membership function. More...

class	Bisector
	The Bisector class is an IntegralDefuzzifier that computes the bisector of a fuzzy set represented in a Term. More...

class	Centroid
	The Centroid class is an IntegralDefuzzifier that computes the centroid of a fuzzy set represented in a Term. More...

class	CloningFactory
	The CloningFactory class is the base class for a factory whose objects are created from a registered object by calling the `clone()` method. More...

class	Complexity
	The Complexity class is used throughout the library to estimate the computational cost of the different components of the library. More...

class	Concave
	The Concave class is an edge Term that represents the concave membership function. More...

class	Consequent
	The Consequent class is a proposition set that represents and evaluates the consequent of a Rule. More...

class	Console
	The Console class is a command-line tool that helps to utilize the `fuzzylite` library. More...

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

class	ConstructionFactory
	The ConstructionFactory class is the base class for a factory whose objects are created from a registered ConstructionFactory::Constructor. More...

class	Cosine
	The Cosine class is an extended Term that represents the cosine membership function. More...

class	CppExporter
	The CppExporter class is an Exporter that translates an Engine and its components to the `C++` programming language using the `fuzzylite` library. More...

class	Defuzzifier
	The Defuzzifier class is the abstract class for defuzzifiers. More...

class	DefuzzifierFactory
	The DefuzzifierFactory class is a ConstructionFactory of Defuzzifiers. More...

class	Discrete
	The Discrete class is a basic Term that represents a discrete membership function. More...

class	Engine
	The Engine class is the core class of the library as it groups the necessary components of a fuzzy logic controller. More...

class	Exception
	The Exception class is the only type of exception that is utilized throughout the library. More...

class	Exporter
	The Exporter class is the abstract class for exporters to translate an Engine into different formats. More...

class	Expression
	The Expression class is the base class to build an expression tree. More...

class	FactoryManager
	The FactoryManager class is a central class grouping different factories of objects, together with a singleton instance to access each of the factories throughout the library. More...

class	FclExporter
	The FclExporter class is an Exporter that translates an Engine and its components to the Fuzzy Control Language specification. More...

class	FclImporter
	The FclImporter class is an Importer that configures an Engine and its components utilizing the Fuzzy Control Language specification. More...

class	First
	The First class is a RuleBlock Activation method that activates the first \(n\) rules whose activation degrees are greater than or equal to the given threshold. More...

class	FisExporter
	The FisExporter class is an Exporter that translates an Engine and its components into the Fuzzy Inference System format for Matlab or Octave. More...

class	FisImporter
	The FisImporter class is an Importer that configures an Engine and its components from utilizing the Fuzzy Inference System format for Matlab or Octave. More...

class	FL_IFINAL
	The Extremely class is a Hedge located fifth in the ordered set (Not, Seldom, Somewhat, Very, Extremely, Any). More...

class	FldExporter
	The FldExporter class is an Exporter that evaluates an Engine and exports its input values and output values to the FuzzyLite Dataset (FLD) format, see http://www.fuzzylite.com/fll-fld for more information. More...

class	FllExporter
	The FllExporter class is an Exporter that translates an Engine and its components to the FuzzyLite Language (FLL), see http://www.fuzzylite.com/fll-fld for more information. More...

class	FllImporter
	The FllImporter class is an Importer that configures an Engine and its components utilizing the FuzzyLite Language (FLL), see http://www.fuzzylite.com/fll-fld for more information. More...

class	Function
	The Function class is a polynomial Term that represents a generic function \( f : x \mapsto f(x) \). More...

class	FunctionFactory
	The FunctionFactory class is a CloningFactory of operators and functions utilized by the Function term. More...

class	fuzzylite
	The fuzzylite class contains global settings and information about the library. More...

class	Gaussian
	The Gaussian class is an extended Term that represents the Gaussian curve membership function. More...

class	GaussianProduct
	The GaussianProduct class is an extended Term that represents the two-sided Gaussian membership function. More...

class	General
	The General class is a RuleBlock Activation method that activates every rule following the order in which the rules were added to the rule block. More...

class	Hedge
	The Hedge class is the abstract class for hedges. More...

class	HedgeFactory
	The HedgeFactory class is a ConstructionFactory of Hedges. More...

class	Highest
	The Highest class is a RuleBlock Activation method that activates a given number of rules with highest activation degrees in descending order. More...

class	Importer
	The Importer class is the abstract class for importers to configure an Engine and its components from different text formats. More...

class	InputVariable
	The InputVariable class is a Variable that represents an input of the fuzzy logic controller. More...

class	IntegralDefuzzifier
	The IntegralDefuzzifier class is the base class for defuzzifiers which integrate over the fuzzy set. More...

class	JavaExporter
	The JavaExporter class is an Exporter that translates an Engine and its components to the `Java` programming language using the `jfuzzylite` library. More...

class	LargestOfMaximum
	The LargestOfMaximum class is an IntegralDefuzzifier that computes the largest value of the maximum membership function of a fuzzy set represented in a Term. More...

class	Last
	The Last class is a RuleBlock Activation method that activates the last \(n\) rules whose activation degrees are greater than or equal to the given threshold. More...

class	Linear
	The Linear class is a linear polynomial Term expressed as \(f(x)= \mathbf{c}\mathbf{v}+k = \sum_i c_iv_i + k\), where variable \(x\) is not utilized, \(\mathbf{v}\) is a vector of values from the input variables, \(\mathbf{c}\) is a vector of coefficients, and \(k\) is a constant. More...

class	Lowest
	The Lowest class is a RuleBlock Activation method that activates a given number of rules with lowest activation degrees in ascending order. More...

class	MeanOfMaximum
	The MeanOfMaximum class is an IntegralDefuzzifier that computes the mean value of the maximum membership function of a fuzzy set represented in a Term. More...

class	Norm
	The Norm class is the abstract class for norms. More...

class	Operation
	The Operation class contains methods for numeric operations, string manipulation, and other functions, all of which are also accessible via fl::Op. More...

class	OutputVariable
	The OutputVariable class is a Variable that represents an output of the fuzzy logic controller. More...

class	PiShape
	The PiShape class is an extended Term that represents the Pi-shaped curve membership function. More...

class	Proportional
	The Proportional class is a RuleBlock Activation method that activates the rules utilizing activation degrees proportional to the activation degrees of the other rules, thus the sum of the activation degrees is equal to one. More...

class	Ramp
	The Ramp class is an edge Term that represents the ramp membership function. More...

class	Rectangle
	The Rectangle class is a basic Term that represents the rectangle membership function. More...

class	RScriptExporter
	The RScriptExporter class is an Exporter that creates an R script to plot one or more surfaces of an engine for two input variables and any number of output variables. More...

class	Rule
	The Rule class is a conditional statement that contributes to the control of an Engine. More...

class	RuleBlock
	The RuleBlock class contains a set of Rules and fuzzy logic operators required to control an Engine. More...

class	Sigmoid
	The Sigmoid class is an edge Term that represents the sigmoid membership function. More...

class	SigmoidDifference
	The SigmoidDifference class is an extended Term that represents the difference between two sigmoidal membership functions. More...

class	SigmoidProduct
	The SigmoidProduct class is an extended Term that represents the product of two sigmoidal membership functions. More...

class	SmallestOfMaximum
	The SmallestOfMaximum class is an IntegralDefuzzifier that computes the smallest value of the maximum membership function of a fuzzy set represented in a Term. More...

class	SNorm
	The SNorm class is the base class for all S-Norms, and it is utilized as the disjunction fuzzy logic operator and as the aggregation (or `accumulation` in versions 5.0 and earlier) fuzzy logic operator. More...

class	SNormFactory
	The SNormFactory class is a ConstructionFactory of SNorms. More...

class	Spike
	The Spike class is an extended Term that represents the spike membership function. More...

class	SShape
	The SShape class is an edge Term that represents the S-shaped membership function. More...

class	Term
	The Term class is the abstract class for linguistic terms. More...

class	TermFactory
	The TermFactory class is a ConstructionFactory of Terms. More...

class	Threshold
	The Threshold class is a RuleBlock Activation method that activates the rules whose activation degrees satisfy the equation given by the comparison operator and the threshold, and deactivates the rules which do not satisfy the equation. More...

class	TNorm
	The TNorm class is the base class for T-Norms, and it is utilized as the conjunction fuzzy logic operator and as the implication (or `activation` in versions 5.0 and earlier) fuzzy logic operator. More...

class	TNormFactory
	The TNormFactory class is a ConstructionFactory of TNorms. More...

class	Trapezoid
	The Trapezoid class is a basic Term that represents the trapezoidal membership function. More...

class	Triangle
	The Triangle class is a basic Term that represents the triangular membership function. More...

class	Variable
	The Variable class is the base class for linguistic variables. More...

class	WeightedAverage
	The WeightedAverage class is a WeightedDefuzzifier that computes the weighted average of a fuzzy set represented in an Aggregated Term. More...

class	WeightedAverageCustom
	The (experimental) WeightedAverageCustom class is a WeightedDefuzzifier that computes the weighted average of a fuzzy set represented in an Aggregated Term utilizing the fuzzy operators for implication and aggregation to compute the weighted average. More...

class	WeightedDefuzzifier
	The WeightedDefuzzifier class is the base class for defuzzifiers which compute a weighted function on the fuzzy set without requiring to integrate over the fuzzy set. More...

class	WeightedSum
	The WeightedSum class is a WeightedDefuzzifier that computes the weighted sum of a fuzzy set represented in an Aggregated Term. More...

class	WeightedSumCustom
	The (experimental) WeightedSumCustom class is a WeightedDefuzzifier that computes the weighted sum of a fuzzy set represented in an Aggregated Term utilizing the fuzzy operators for implication and aggregation to compute the weighted sum. More...

class	ZShape
	The ZShape class is an edge Term that represents the Z-shaped membership function. More...

Typedefs
typedef double	scalar
	Represents floating-point values (typedef to float or double). More...

typedef Operation	Op
	A shortened type to refer to Operation. More...

Variables
const scalar nan	FL_IUNUSED_DECL = std::numeric_limits<scalar>::quiet_NaN()
	Represents the Not-A-Number scalar value. More...

const std::nullptr_t	null = nullptr
	Represents the `C++11` or `C++98` null pointer depending on whether the compilation flag `-DFL_CPP98` is set. More...

Detailed Description

Template implementation.

The fl namespace is the namespace where all the classes of the fuzzylite library are contained in.

Author: Juan Rada-Vilela, Ph.D.

Since: 4.0

Typedef Documentation

◆ Op

typedef Operation fl::Op

A shortened type to refer to Operation.

Definition at line 573 of file Operation.h.

◆ scalar

typedef double fl::scalar

Represents floating-point values (typedef to float or double).

Represents floating-point values as doubles.

Definition at line 114 of file fuzzylite.h.

Variable Documentation

◆ FL_IUNUSED_DECL

const scalar inf fl::FL_IUNUSED_DECL = std::numeric_limits<scalar>::quiet_NaN()

Represents the Not-A-Number scalar value.

Represents the infinity scalar value.

Definition at line 128 of file fuzzylite.h.

◆ null

const std::nullptr_t fl::null = nullptr

Represents the C++11 or C++98 null pointer depending on whether the compilation flag -DFL_CPP98 is set.

Definition at line 171 of file fuzzylite.h.

Referenced by fl::CloningFactory< Function::Element *>::cloneObject(), fl::CloningFactory< Function::Element *>::CloningFactory(), fl::ConstructionFactory< Activation *>::constructObject(), fl::ConstructionFactory< Activation *>::getConstructor(), fl::CloningFactory< Function::Element *>::getObject(), and fl::CloningFactory< Function::Element *>::operator=().

Classes

Typedefs