CouenneExprStore.hpp

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/* $Id: CouenneExprStore.hpp 645 2011-06-14 10:04:49Z pbelotti $
 *
 * Name:    exprStore.hpp
 * Author:  Pietro Belotti
 * Purpose: definition of a storage class for expressions
 *
 * (C) Carnegie-Mellon University, 2007.
 * This file is licensed under the Eclipse Public License (EPL)
 */

#ifndef COUENNE_EXPRSTORE_HPP
#define COUENNE_EXPRSTORE_HPP

#include <iostream>

#include "CouenneTypes.hpp"
#include "CouenneExprCopy.hpp"

namespace Couenne {


class exprStore: public exprCopy {

 protected:

  CouNumber value_;

 public:

  exprStore (expression *copy):
    exprCopy (copy) {}

  exprStore (const exprStore &e, Domain *d = NULL):
    exprCopy (e, d) {
    //copy_  = e.Original () -> clone ();
  }

  virtual ~exprStore () 
  {copy_ = NULL;}

  virtual void print (std::ostream &out = std::cout, 
                      bool descend      = false) const;

  virtual inline expression *clone (Domain *d = NULL) const
  {return new exprStore (*this, d);}

  virtual inline CouNumber operator () () 
  {return (copy_ -> Value ());}
};

}

#endif