RealConstant.h

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//
// Class RealConstant
//   The REAL CONSTANT definition.
//
// Copyright (c) 2000 - 2021, Paul Scherrer Institut, Villigen PSI, Switzerland
// All rights reserved
//
// This file is part of OPAL.
//
// OPAL is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// You should have received a copy of the GNU General Public License
// along with OPAL. If not, see <https://www.gnu.org/licenses/>.
//
#ifndef OPAL_RealConstant_HH
#define OPAL_RealConstant_HH
 
#include "AbstractObjects/ValueDefinition.h"
 
 
class RealConstant: public ValueDefinition {
 
public:

    RealConstant();

    RealConstant(const std::string &name, RealConstant *parent, double value);
 
    virtual ~RealConstant();

    //  Always false for constants.
    virtual bool canReplaceBy(Object *object);

    virtual RealConstant *clone(const std::string &name);

    virtual void print(std::ostream &) const;

    virtual void printValue(std::ostream &os) const;

    virtual double getReal() const;
 
private:
 
    // Not implemented.
    RealConstant(const RealConstant &);
    void operator=(const RealConstant &);
 
    // Clone constructor.
    RealConstant(const std::string &name, RealConstant *parent);
};
 
#endif // OPAL_RealConstant_HH