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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: DegreeOfFreedomSet.hpp,v 1.9 2005/11/25 07:17:57 delpinux Exp $
#ifndef DEGREE_OF_FREEDOM_SET_HPP
#define DEGREE_OF_FREEDOM_SET_HPP
#include <Vector.hpp>
#include <ReferenceCounting.hpp>
#include <ErrorHandler.hpp>
#include <DegreeOfFreedomPositionsSet.hpp>
#include <cassert>
#include <cstddef>
/*!
\class DegreeOfFreedomSet
This class defines degrees of freedom sets in the case where all the
unknown share the same sets of vertices.
\author Stphane Del Pino
*/
class DegreeOfFreedomSet
{
public:
typedef Vector<int> Correspondance;
private:
ReferenceCounting<Correspondance> __correspondance;
const DegreeOfFreedomPositionsSet& __dofPositionsSet;
const size_t __numberOfUsedDOFPositions;
const size_t __numberOfVariables;
public:
const DegreeOfFreedomPositionsSet& positionsSet() const
{
return __dofPositionsSet;
}
const size_t& numberOfUsedDOFPositions() const
{
return __numberOfUsedDOFPositions;
}
const size_t& numberOfDOFPositions() const
{
return __dofPositionsSet.number();
}
const size_t& numberOfVariables() const
{
return __numberOfVariables;
}
size_t size() const
{
return __numberOfVariables * __numberOfUsedDOFPositions;
}
size_t operator()(const size_t& variableNumber,
const size_t& dofNumber) const
{
assert((*__correspondance)[dofNumber] != -1);
return ((*__correspondance)[dofNumber]*__numberOfVariables+variableNumber);
}
bool isDOFVertex(const size_t& dofNumber) const
{
return ((*__correspondance)[dofNumber] != -1);
}
DegreeOfFreedomSet(const size_t& numberOfVariables,
const size_t& numberOfUsedDOFPositions,
const DegreeOfFreedomPositionsSet& dofPositions,
ReferenceCounting<Correspondance> correspondance)
: __correspondance(correspondance),
__dofPositionsSet(dofPositions),
__numberOfUsedDOFPositions(numberOfUsedDOFPositions),
__numberOfVariables(numberOfVariables)
{
;
}
~DegreeOfFreedomSet()
{
;
}
};
#endif // DEGREE_OF_FREEDOM_SET_HPP
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