VariationalFormulaExpression.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: VariationalFormulaExpression.hpp,v 1.6 2007/12/19 00:45:45 delpinux Exp $

#ifndef VARIATIONAL_FORMULA_EXPRESSION_HPP
#define VARIATIONAL_FORMULA_EXPRESSION_HPP

#include <Expression.hpp>

#include <ReferenceCounting.hpp>
#include <MultiLinearFormExpression.hpp>

#include <list>

#include <BoundaryExpression.hpp>
#include <VariationalOperatorExpression.hpp>

class VariationalFormulaExpression
  : public Expression
{
private:
  friend class VariationalProblemExpression;

  ReferenceCounting<MultiLinearFormSumExpression>
  __givenMultiLinearExpression; 
  typedef std::list<ReferenceCounting<VariationalBilinearOperatorExpression> >
  BilinearOperatorList;

  BilinearOperatorList __bilinearPlus; 
  BilinearOperatorList __bilinearMinus; 
  BilinearOperatorList __bilinearBorderPlus; 
  BilinearOperatorList __bilinearBorderMinus;   
  typedef std::list<ReferenceCounting<VariationalLinearOperatorExpression> >
  LinearOperatorList;

  LinearOperatorList __linearPlus; 
  LinearOperatorList __linearMinus; 
  LinearOperatorList __linearBorderPlus; 
  LinearOperatorList __linearBorderMinus; 
  template <typename ListType>
  std::ostream& __putList(const ListType& listType,
                          char delimiter,
                          bool& first,
                          std::ostream& os) const;

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

  void __getBandLForms2D(MultiLinearExpressionSum::iterator begin,
                         MultiLinearExpressionSum::iterator end,
                         BilinearOperatorList& bilinearPlus,
                         BilinearOperatorList& bilinearMinus,
                         LinearOperatorList& linearPlus,
                         LinearOperatorList& linearMinus,
                         ReferenceCounting<BoundaryExpression> b);

  void __getBandLForms3D(MultiLinearExpressionSum::iterator begin,
                         MultiLinearExpressionSum::iterator end,
                         BilinearOperatorList& bilinearPlus,
                         BilinearOperatorList& bilinearMinus,
                         LinearOperatorList& linearPlus,
                         LinearOperatorList& linearMinus);

  void __getBilinearAndLinearForms(MultiLinearFormSumExpression::iterator begin,
                                   MultiLinearFormSumExpression::iterator end,
                                   BilinearOperatorList& bilinearPlus,
                                   BilinearOperatorList& bilinearMinus,
                                   BilinearOperatorList& bilinearBorderPlus,
                                   BilinearOperatorList& bilinearBorderMinus,
                                   LinearOperatorList& linearPlus,
                                   LinearOperatorList& linearMinus,
                                   LinearOperatorList& linearBorderPlus,
                                   LinearOperatorList& linearBorderMinus);

public:

  bool hasPOVBoundary() const;

  bool hasPredefinedBoundary() const;

  void execute();

  VariationalFormulaExpression(ReferenceCounting<MultiLinearFormSumExpression> m);

  VariationalFormulaExpression(const VariationalFormulaExpression& v);

  ~VariationalFormulaExpression();
};

#endif // VARIATIONAL_FORMULA_EXPRESSION_HPP

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