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-rw-r--r--fuzzylite/fl/defuzzifier/Centroid.h48
1 files changed, 32 insertions, 16 deletions
diff --git a/fuzzylite/fl/defuzzifier/Centroid.h b/fuzzylite/fl/defuzzifier/Centroid.h
index 7510673..b056eac 100644
--- a/fuzzylite/fl/defuzzifier/Centroid.h
+++ b/fuzzylite/fl/defuzzifier/Centroid.h
@@ -1,25 +1,17 @@
/*
- Author: Juan Rada-Vilela, Ph.D.
- Copyright (C) 2010-2014 FuzzyLite Limited
- All rights reserved
+ 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 GNU Lesser General Public License as published by the Free
- Software Foundation, either version 3 of the License, or (at your option)
- any later version.
+ the terms of the FuzzyLite License included with the software.
- fuzzylite is distributed in the hope that it will be useful, but WITHOUT
- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
- for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with fuzzylite. If not, see <http://www.gnu.org/licenses/>.
-
- fuzzyliteâ„¢ is a trademark of FuzzyLite Limited.
+ 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_CENTROID_H
@@ -29,6 +21,16 @@
namespace fl {
+ /**
+ The Centroid class is an IntegralDefuzzifier that computes the centroid
+ of a fuzzy set represented in a Term.
+
+ @author Juan Rada-Vilela, Ph.D.
+ @see BiSector
+ @see IntegralDefuzzifier
+ @see Defuzzifier
+ @since 4.0
+ */
class FL_API Centroid : public IntegralDefuzzifier {
public:
explicit Centroid(int resolution = defaultResolution());
@@ -36,12 +38,26 @@ namespace fl {
FL_DEFAULT_COPY_AND_MOVE(Centroid)
virtual std::string className() const FL_IOVERRIDE;
+
+ virtual Complexity complexity(const Term* term) const FL_IOVERRIDE;
+
+ /**
+ Computes the centroid of a fuzzy set. The defuzzification process
+ integrates over the fuzzy set utilizing the boundaries given as
+ parameters. The integration algorithm is the midpoint rectangle
+ method (https://en.wikipedia.org/wiki/Rectangle_method).
+
+ @param term is the fuzzy set
+ @param minimum is the minimum value of the fuzzy set
+ @param maximum is the maximum value of the fuzzy set
+ @return the @f$x@f$-coordinate of the centroid of the fuzzy set
+ */
virtual scalar defuzzify(const Term* term,
scalar minimum, scalar maximum) const FL_IOVERRIDE;
virtual Centroid* clone() const FL_IOVERRIDE;
static Defuzzifier* constructor();
};
-
}
+
#endif /* FL_CENTROID_H */