FieldExpression.hpp

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//  This file is part of ff3d - http://www.freefem.org/ff3d
//  Copyright (C) 2001, 2002, 2003 Stéphane Del Pino

//  This program 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 2, or (at your option)
//  any later version.

//  This program 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 General Public License for more details.

//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software Foundation,
//  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  

//  $Id: FieldExpression.hpp,v 1.6 2007/02/26 01:01:50 delpinux Exp $

#ifndef FIELD_EXPRESSION_HPP
#define FIELD_EXPRESSION_HPP

#include <Expression.hpp>

#include <ReferenceCounting.hpp>
#include <FunctionExpression.hpp>

#include <FieldOfScalarFunction.hpp>
#include <vector>

class FieldExpression
  : public Expression
{
private:
  std::vector <ReferenceCounting<FunctionExpression> > __fieldExpression;

  ReferenceCounting<FieldOfScalarFunction> __field;

  std::ostream& put(std::ostream& os) const;

  FieldExpression(const FieldExpression&);

public:
  ReferenceCounting<FieldOfScalarFunction> field();

  ConstReferenceCounting<FieldOfScalarFunction> field() const;

  void execute();

  bool hasBoundaryExpression() const;

  size_t numberOfComponents() const;

  void add(ReferenceCounting<FunctionExpression> functionExpression);

  FieldExpression();

  ~FieldExpression();
};

#endif // FIELD_EXPRESSION_HPP

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