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// This file is part of ff3d - http://www.freefem.org/ff3d
// Copyright (C) 2001, 2002, 2003 Stphane 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 1.6 2006/07/20 19:08:54 delpinux Exp $
#ifndef PROBLEM_HPP
#define PROBLEM_HPP
#include <ReferenceCounting.hpp>
#include <Domain.hpp>
class ScalarFunctionBase;
class BoundaryConditionSet;
/**
* @file Problem.hpp
* @author Stephane Del Pino
* @date Thu May 30 12:17:49 2002
*
* @brief describes a problem
*
*/
class Problem
{
public:
enum Type {
pdeProblem,
variationalProblem
};
private:
ConstReferenceCounting<Domain>
__omega; /**< @f$\Omega@f$ domain of computation */
const Problem::Type
__type; /**< type of the problem */
public:
/**
* Sets the domain of computation
*
* @param omega @f$\Omega@f$
*/
void setDomain(ReferenceCounting<Domain> omega)
{
__omega = omega;
}
/**
* Access to the problem type
*
* @return __type
*/
const Problem::Type&
type() const
{
return __type;
}
/**
* Access to the domain of computation
*
* @return __omega
*/
ConstReferenceCounting<Domain>
domain() const
{
return __omega;
}
/**
* Access to the number of unknown
*
* @return number of unknown
*/
virtual size_t numberOfUnknown() const = 0;
/**
* "multiplies" the problem definition by a function
*
* @param c the given coefficient
*
* @return the now modified problem
*/
virtual ReferenceCounting<Problem>
operator*(const ConstReferenceCounting<ScalarFunctionBase>& c) const=0;
/**
* Access to the boundary condition set associated to the ith unknown
*
* @param i ith unknown number
*
* @return boundary condition set associated to the ith unknown
*/
virtual const BoundaryConditionSet&
boundaryConditionSet(const size_t& i) const = 0;
/**
* Constructor
*
* @param t the type of the problem
* @param omega a pointer to the domain where the problem is posed
*/
Problem(const Problem::Type& t,
ConstReferenceCounting<Domain> omega)
: __omega(omega),
__type(t)
{
;
}
/**
* Copy constructor
*
* @param P the copied problem
*/
Problem(const Problem& P)
: __omega(P.__omega),
__type(P.__type)
{
;
}
/**
* The destructor
*
*/
virtual ~Problem()
{
;
}
};
#endif // PROBLEM_HPP
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