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/*
fuzzylite (R), a fuzzy logic control library in C++.
Copyright (C) 2010-2017 FuzzyLite Limited. All rights reserved.
Author: Juan Rada-Vilela, Ph.D. <jcrada@fuzzylite.com>
This file is part of fuzzylite.
fuzzylite is free software: you can redistribute it and/or modify it under
the terms of the FuzzyLite License included with the software.
You should have received a copy of the FuzzyLite License along with
fuzzylite. If not, see <http://www.fuzzylite.com/license/>.
fuzzylite is a registered trademark of FuzzyLite Limited.
*/
#ifndef FL_WEIGHTEDDEFUZZIFIER_H
#define FL_WEIGHTEDDEFUZZIFIER_H
#include "fl/defuzzifier/Defuzzifier.h"
namespace fl {
class Activated;
/**
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.
@author Juan Rada-Vilela, Ph.D.
@since 5.0
*/
class FL_API WeightedDefuzzifier : public Defuzzifier {
public:
/**The Type enum indicates the type of the WeightedDefuzzifier based
the terms included in the fuzzy set.*/
enum Type {
/**Automatic: Automatically inferred from the terms */
Automatic,
/**TakagiSugeno: Manually set to TakagiSugeno (or Inverse Tsukamoto)*/
TakagiSugeno,
/**Tsukamoto: Manually set to Tsukamoto*/
Tsukamoto
};
/**
Returns a string representation of the given type
@param type is the type of a defuzzifier
@return a string representation of the given type
*/
static std::string typeName(Type type);
private:
Type _type;
public:
explicit WeightedDefuzzifier(Type type = Automatic);
explicit WeightedDefuzzifier(const std::string& type);
virtual ~WeightedDefuzzifier() FL_IOVERRIDE;
FL_DEFAULT_COPY_AND_MOVE(WeightedDefuzzifier)
/**
Sets the type of the weighted defuzzifier
@param type is the type of the weighted defuzzifier
*/
void setType(Type type);
/**
Gets the type of the weighted defuzzifier
@return the type of the weighted defuzzifier
*/
Type getType() const;
/**
Returns a string representation of the type of the defuzzifier
@return a string representation of the type of the defuzzifier
*/
virtual std::string getTypeName() const;
/**
Infers the type of the defuzzifier based on the given term. If the
given term is Constant, Linear or Function, then the type is
TakagiSugeno; otherwise, the type is Tsukamoto
@param term is the given term
@return the inferred type of the defuzzifier based on the given term
*/
virtual Type inferType(const Term* term) const;
};
}
#endif /* FL_WEIGHTEDDEFUZZIFIER_H */
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