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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: VariationalOperatorFV.hpp,v 1.2 2003/09/21 15:44:53 delpinux Exp $
#ifndef VARIATIONAL_OPERATOR_FV_HPP
#define VARIATIONAL_OPERATOR_FV_HPP
#include <VariationalLinearOperator.hpp>
#include <UserFunction.hpp>
/**
* @file VariationalOperatorFV.hpp
* @class VariationalOperatorFV
* @author Stephane Del Pino
* @date Sun Jun 2 21:55:49 2002
*
* @brief \f$ l(v) = \int fv \f$
*
*/
class VariationalOperatorFV
: public VariationalLinearOperator
{
private:
ReferenceCounting<UserFunction> __f; /**< the \f$ f\f$ function */
public:
/**
*
* Access to \f$ f\f$
*
* @return *__f
*/
const UserFunction& f() const
{
return *__f;
}
/**
* "Multiplies" the operator by a function
*
* @param u the given function
*
* @return the new operator
*/
ReferenceCounting<VariationalLinearOperator>
operator * (ConstReferenceCounting<UserFunction> u) const
{
VariationalOperatorFV* newOperator = new VariationalOperatorFV(*this);
(*newOperator).__f = new MulUserFunction(__f, u);
return newOperator;
}
/**
* Constructor
*
* @param testFunctionNumber
* @param f
*
*/
VariationalOperatorFV(const size_t testFunctionNumber,
ReferenceCounting<UserFunction> f)
: VariationalLinearOperator(VariationalLinearOperator::FV,
testFunctionNumber),
__f(f)
{
;
}
/**
* Copy constructor
*
* @param fv another VariationalOperatorFV
*
*/
VariationalOperatorFV(const VariationalOperatorFV& fv)
: VariationalLinearOperator(fv),
__f(fv.__f)
{
;
}
/**
* Destructor
*
*
*/
~VariationalOperatorFV()
{
;
}
};
#endif // VARIATIONAL_OPERATOR_FV_HPP
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