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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.
 */

#include "fl/term/Constant.h"

namespace fl {

    Constant::Constant(const std::string& name, scalar value)
    : Term(name), _value(value) { }

    Constant::~Constant() { }

    std::string Constant::className() const {
        return "Constant";
    }

    Complexity Constant::complexity() const {
        return Complexity();
    }

    scalar Constant::membership(scalar x) const {
        FL_IUNUSED(x);
        return this->_value;
    }

    std::string Constant::parameters() const {
        return Op::str(_value);
    }

    void Constant::configure(const std::string& parameters) {
        if (parameters.empty()) return;
        setValue(Op::toScalar(parameters));
    }

    void Constant::setValue(scalar value) {
        this->_value = value;
    }

    scalar Constant::getValue() const {
        return this->_value;
    }

    Constant* Constant::clone() const {
        return new Constant(*this);
    }

    Term* Constant::constructor() {
        return new Constant;
    }

}