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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_INTEGRALDEFUZZIFIER_H
+#define FL_INTEGRALDEFUZZIFIER_H
+
+#include "fl/defuzzifier/Defuzzifier.h"
+
+namespace fl {
+
+    /**
+      The IntegralDefuzzifier class is the base class for defuzzifiers which integrate
+      over the fuzzy set.
+
+      @author Juan Rada-Vilela, Ph.D.
+      @since 4.0
+     */
+    class FL_API IntegralDefuzzifier : public Defuzzifier {
+    private:
+        static int _defaultResolution;
+
+        int _resolution;
+    public:
+        explicit IntegralDefuzzifier(int resolution = defaultResolution());
+        virtual ~IntegralDefuzzifier() FL_IOVERRIDE;
+        FL_DEFAULT_COPY_AND_MOVE(IntegralDefuzzifier)
+
+        /**
+          Sets the resolution of the defuzzifier. The resolution refers to the
+          number of divisions in which the range `[minimum,maximum]` is divided
+          in order to integrate the area under the curve
+
+          @param resolution is the resolution of the defuzzifier
+         */
+        virtual void setResolution(int resolution);
+        /**
+          Gets the resolution of the defuzzifier. The resolution refers to the
+          number of divisions in which the range `[minimum,maximum]` is divided
+          in order to integrate the area under the curve
+
+          @return the resolution of the defuzzifier
+         */
+        virtual int getResolution() const;
+
+        /**
+          Sets the default resolution for integral-based defuzzifiers
+          @param defaultResolution is the default resolution for integral-based defuzzifiers
+         */
+        static void setDefaultResolution(int defaultResolution);
+        /**
+          Gets the default resolution for integral-based defuzzifiers
+          @return the default resolution for integral-based defuzzifiers
+         */
+        static int defaultResolution();
+
+    };
+}
+
+#endif  /* INTEGRALDEFUZZIFIER_H */
+