Problem.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: Problem.hpp,v 1.7 2007/11/02 20:03:18 delpinux Exp $

#ifndef PROBLEM_HPP
#define PROBLEM_HPP

#include <ReferenceCounting.hpp>
#include <Domain.hpp>

class ScalarFunctionBase;
class BoundaryConditionSet;

class Problem
{
public:
  enum Type {
    pde,
    variational
  };
  
private:
  ConstReferenceCounting<Domain>
  __omega;                      
  const Problem::Type
  __type;                       
public:
  void setDomain(ReferenceCounting<Domain> omega)
  {
    __omega = omega;
  }

  const Problem::Type&
  type() const
  {
    return __type;
  }

  std::string typeName() const
  {
    switch(__type) {
    case pde: {
      return "PDE";
    }
    case variational: {
      return "Variational";
    }
    default: {
      throw ErrorHandler(__FILE__,__LINE__,
                         "Unknown problem type name",
                         ErrorHandler::unexpected);
    }
    }
    return "";
  }

  ConstReferenceCounting<Domain>
  domain() const
  {
    return __omega;
  }

  virtual size_t numberOfUnknown() const = 0;

  virtual ReferenceCounting<Problem>
  operator*(const ConstReferenceCounting<ScalarFunctionBase>& c) const=0;

  virtual const BoundaryConditionSet&
  boundaryConditionSet(const size_t& i) const = 0;

  Problem(const Problem::Type& t,
          ConstReferenceCounting<Domain> omega)
    : __omega(omega),
      __type(t)
  {
    ;
  }

  Problem(const Problem& P)
    : __omega(P.__omega),
      __type(P.__type)
  {
    ;
  }

  virtual ~Problem()
  {
    ;
  }
};

#endif // PROBLEM_HPP

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