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diff --git a/fuzzylite/fl/term/Linear.h b/fuzzylite/fl/term/Linear.h
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+/*
+ Author: Juan Rada-Vilela, Ph.D.
+ Copyright (C) 2010-2014 FuzzyLite Limited
+ All rights reserved
+
+ 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.
+
+ 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/>.
+
+ fuzzylite™ is a trademark of FuzzyLite Limited.
+
+ */
+
+#ifndef FL_LINEAR_H
+#define FL_LINEAR_H
+
+#include "fl/term/Term.h"
+
+namespace fl {
+    class Engine;
+
+    class FL_API Linear : public Term {
+    protected:
+        std::vector<scalar> _coefficients;
+        const Engine* _engine;
+    public:
+        explicit Linear(const std::string& name = "",
+                const std::vector<scalar>& coefficients = std::vector<scalar>(),
+                const Engine* engine = fl::null);
+        virtual ~Linear() FL_IOVERRIDE;
+        FL_DEFAULT_COPY_AND_MOVE(Linear)
+
+        virtual std::string className() const FL_IOVERRIDE;
+        virtual std::string parameters() const FL_IOVERRIDE;
+        virtual void configure(const std::string& parameters) FL_IOVERRIDE;
+
+        virtual scalar membership(scalar x) const FL_IOVERRIDE;
+
+        virtual void set(const std::vector<scalar>& coeffs, const Engine* engine);
+
+        virtual void setCoefficients(const std::vector<scalar>& coeffs);
+        virtual const std::vector<scalar>& coefficients() const;
+        virtual std::vector<scalar>& coefficients();
+
+        virtual void setEngine(const Engine* engine);
+        virtual const Engine* getEngine() const;
+
+        virtual Linear* clone() const FL_IOVERRIDE;
+
+        static Term* constructor();
+
+        //Warning: this method is unsafe, make sure you use it correctly.
+        template <typename T>
+        static Linear* create(const std::string& name, const Engine* engine,
+                T firstCoefficient, ...); // throw (fl::Exception);
+    };
+
+}
+
+#endif  /* FL_LINEAR_H */
+