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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: VariationalLinearOperator.hpp,v 1.8 2007/06/10 15:03:32 delpinux Exp $
#ifndef VARIATIONAL_LINEAR_OPERATOR_HPP
#define VARIATIONAL_LINEAR_OPERATOR_HPP
#include <VariationalOperator.hpp>
/**
* @file VariationalLinearOperator.hpp
* @author Stephane Del Pino
* @date Sun Jun 2 22:04:06 2002
*
* @brief describes linear operators
*
* Linear operators, ie: right hand side of the equation
*/
class VariationalLinearOperator
: public VariationalOperator
{
public:
enum Type {
FV,
FdxGV,
FdxV,
FgradGgradV
};
private:
const VariationalLinearOperator::Type
__type; /**< linear oerator type */
public:
/**
* Returns the type of the operator
*
* @return __type
*/
const VariationalLinearOperator::Type& type() const
{
return __type;
}
/**
* "Multiplies" the linear operator by some function
*
* @param u the given function
*
* @return the new VariationalLinearOperator
*/
virtual ReferenceCounting<VariationalLinearOperator>
operator*(const ConstReferenceCounting<ScalarFunctionBase>& u) const = 0;
/**
* Constructor
*
* @param t the linear operator type
* @param testFunctionNumber the test function number
* @param testFunctionProperty the test function operator property
*/
VariationalLinearOperator(const VariationalLinearOperator::Type& t,
const size_t& testFunctionNumber,
const VariationalOperator::Property& testFunctionProperty)
: VariationalOperator(testFunctionNumber, testFunctionProperty),
__type(t)
{
;
}
/**
* Copy constructor
*
* @param V original VariationalLinearOperator
*/
VariationalLinearOperator(const VariationalLinearOperator& V)
: VariationalOperator(V),
__type(V.__type)
{
;
}
/**
* Destructor
*
*/
virtual ~VariationalLinearOperator()
{
;
}
};
#endif // VARIATIONAL_LINEAR_OPERATOR_HPP
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