7 files changed, 324 insertions, 0 deletions
diff --git a/fuzzylite/src/hedge/Any.cpp b/fuzzylite/src/hedge/Any.cpp
new file mode 100644
index 0000000..9d04262
--- /dev/null
+++ b/fuzzylite/src/hedge/Any.cpp
@@ -0,0 +1,47 @@
+/*
+ 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.
+ */
+
+#include "fl/hedge/Any.h"
+
+namespace fl {
+
+    Any::Any() { }
+
+    Any::~Any() { }
+
+    std::string Any::name() const {
+        return "any";
+    }
+
+    Complexity Any::complexity() const {
+        return Complexity();
+    }
+
+    scalar Any::hedge(scalar x) const {
+        FL_IUNUSED(x);
+        return 1.0;
+    }
+
+    Any* Any::clone() const {
+        return new Any(*this);
+    }
+
+    Hedge* Any::constructor() {
+        return new Any;
+    }
+
+}
+
diff --git a/fuzzylite/src/hedge/Extremely.cpp b/fuzzylite/src/hedge/Extremely.cpp
new file mode 100644
index 0000000..60d3abd
--- /dev/null
+++ b/fuzzylite/src/hedge/Extremely.cpp
@@ -0,0 +1,46 @@
+/*
+ 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.
+ */
+
+#include "fl/hedge/Extremely.h"
+
+#include "fl/Operation.h"
+
+namespace fl {
+
+    std::string Extremely::name() const {
+        return "extremely";
+    }
+
+    Complexity Extremely::complexity() const {
+        return Complexity().comparison(1).arithmetic(5);
+    }
+
+    scalar Extremely::hedge(scalar x) const {
+        return Op::isLE(x, 0.5)
+                ? 2.0 * x * x
+                : (1.0 - 2.0 * (1.0 - x) * (1.0 - x));
+    }
+
+    Extremely* Extremely::clone() const {
+        return new Extremely(*this);
+    }
+
+    Hedge* Extremely::constructor() {
+        return new Extremely;
+    }
+
+}
+
diff --git a/fuzzylite/src/hedge/HedgeFunction.cpp b/fuzzylite/src/hedge/HedgeFunction.cpp
new file mode 100644
index 0000000..c31c72c
--- /dev/null
+++ b/fuzzylite/src/hedge/HedgeFunction.cpp
@@ -0,0 +1,63 @@
+/*
+ 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.
+ */
+
+#include "fl/hedge/HedgeFunction.h"
+
+namespace fl {
+
+    HedgeFunction::HedgeFunction(const std::string& formula) : Hedge() {
+        _function.variables["x"] = fl::nan;
+        if (not formula.empty()) {
+            _function.load(formula);
+        }
+    }
+
+    std::string HedgeFunction::name() const {
+        return "HedgeFunction";
+    }
+
+    Complexity HedgeFunction::complexity() const {
+        if (_function.root())
+            return _function.complexity().function(2 * std::log(scalar(_function.variables.size())));
+        return _function.complexity();
+    }
+
+    scalar HedgeFunction::hedge(scalar x) const {
+        _function.variables["x"] = x;
+        return _function.membership(x);
+    }
+
+    Function& HedgeFunction::function() {
+        return this->_function;
+    }
+
+    void HedgeFunction::setFormula(const std::string& formula) {
+        _function.load(formula);
+    }
+
+    std::string HedgeFunction::getFormula() const {
+        return _function.getFormula();
+    }
+
+    HedgeFunction* HedgeFunction::clone() const {
+        return new HedgeFunction(*this);
+    }
+
+    Hedge* HedgeFunction::constructor() {
+        return new HedgeFunction;
+    }
+
+}
diff --git a/fuzzylite/src/hedge/Not.cpp b/fuzzylite/src/hedge/Not.cpp
new file mode 100644
index 0000000..defbabd
--- /dev/null
+++ b/fuzzylite/src/hedge/Not.cpp
@@ -0,0 +1,41 @@
+/*
+ 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.
+ */
+
+#include "fl/hedge/Not.h"
+
+namespace fl {
+
+    std::string Not::name() const {
+        return "not";
+    }
+
+    Complexity Not::complexity() const {
+        return Complexity().arithmetic(1);
+    }
+
+    scalar Not::hedge(scalar x) const {
+        return 1.0 - x;
+    }
+
+    Not* Not::clone() const {
+        return new Not(*this);
+    }
+
+    Hedge* Not::constructor() {
+        return new Not;
+    }
+
+}
diff --git a/fuzzylite/src/hedge/Seldom.cpp b/fuzzylite/src/hedge/Seldom.cpp
new file mode 100644
index 0000000..092e873
--- /dev/null
+++ b/fuzzylite/src/hedge/Seldom.cpp
@@ -0,0 +1,45 @@
+/*
+ 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.
+ */
+
+#include "fl/hedge/Seldom.h"
+
+#include "fl/Operation.h"
+
+namespace fl {
+
+    std::string Seldom::name() const {
+        return "seldom";
+    }
+
+    Complexity Seldom::complexity() const {
+        return Complexity().comparison(1).function(1).arithmetic(3);
+    }
+
+    scalar Seldom::hedge(scalar x) const {
+        return Op::isLE(x, 0.5)
+                ? std::sqrt(0.5 * x)
+                : (1.0 - std::sqrt(0.5 * (1.0 - x)));
+    }
+
+    Seldom* Seldom::clone() const {
+        return new Seldom(*this);
+    }
+
+    Hedge* Seldom::constructor() {
+        return new Seldom;
+    }
+
+}
diff --git a/fuzzylite/src/hedge/Somewhat.cpp b/fuzzylite/src/hedge/Somewhat.cpp
new file mode 100644
index 0000000..4d68c20
--- /dev/null
+++ b/fuzzylite/src/hedge/Somewhat.cpp
@@ -0,0 +1,41 @@
+/*
+ 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.
+ */
+
+#include "fl/hedge/Somewhat.h"
+
+namespace fl {
+
+    std::string Somewhat::name() const {
+        return "somewhat";
+    }
+
+    Complexity Somewhat::complexity() const {
+        return Complexity().function(1);
+    }
+
+    scalar Somewhat::hedge(scalar x) const {
+        return std::sqrt(x);
+    }
+
+    Somewhat* Somewhat::clone() const {
+        return new Somewhat(*this);
+    }
+
+    Hedge* Somewhat::constructor() {
+        return new Somewhat;
+    }
+
+}
diff --git a/fuzzylite/src/hedge/Very.cpp b/fuzzylite/src/hedge/Very.cpp
new file mode 100644
index 0000000..5ac7a86
--- /dev/null
+++ b/fuzzylite/src/hedge/Very.cpp
@@ -0,0 +1,41 @@
+/*
+ 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.
+ */
+
+#include "fl/hedge/Very.h"
+
+namespace fl {
+
+    std::string Very::name() const {
+        return "very";
+    }
+
+    Complexity Very::complexity() const {
+        return Complexity().arithmetic(1);
+    }
+
+    scalar Very::hedge(scalar x) const {
+        return x * x;
+    }
+
+    Very* Very::clone() const {
+        return new Very(*this);
+    }
+
+    Hedge* Very::constructor() {
+        return new Very;
+    }
+
+}