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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_CENTROID_H
+#define FL_CENTROID_H
+
+#include "fl/defuzzifier/IntegralDefuzzifier.h"
+
+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());
+        virtual ~Centroid() FL_IOVERRIDE;
+        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 */