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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 1.5 2007/06/10 15:03:32 delpinux Exp $
#ifndef VARIATIONAL_OPERATOR_FV_HPP
#define VARIATIONAL_OPERATOR_FV_HPP
#include <VariationalLinearOperator.hpp>
#include <ScalarFunctionBuilder.hpp>
#include <ScalarFunctionBase.hpp>
/**
* @file VariationalOperatorFV.hpp
* @author Stephane Del Pino
* @date Sun Jun 2 21:55:49 2002
*
* @brief @f$ l(v) = \int fv @f$
*
*/
class VariationalOperatorFV
: public VariationalLinearOperator
{
private:
ConstReferenceCounting<ScalarFunctionBase> __f; /**< the @f$ f@f$ function */
public:
/**
* Access to @f$ f@f$
*
* @return *__f
*/
const ScalarFunctionBase& f() const
{
return *__f;
}
/**
* "multiplies" the operator by a coefficient
*
* @param c the given coefficient
*
* @return @f$ \int cfv @f$
*/
ReferenceCounting<VariationalLinearOperator>
operator*(const ConstReferenceCounting<ScalarFunctionBase>& c) const
{
VariationalOperatorFV* newOperator
= new VariationalOperatorFV(*this);
ScalarFunctionBuilder functionBuilder;
functionBuilder.setFunction(__f);
functionBuilder.setBinaryOperation(BinaryOperation::product,c);
newOperator->__f = functionBuilder.getBuiltFunction();
return newOperator;
}
/**
* Constructor
*
* @param testFunctionNumber tes function number
* @param testFunctionProperty test function property
* @param f @f$ f @f$
*/
VariationalOperatorFV(const size_t& testFunctionNumber,
const VariationalOperator::Property& testFunctionProperty,
ConstReferenceCounting<ScalarFunctionBase> f)
: VariationalLinearOperator(VariationalLinearOperator::FV,
testFunctionNumber, testFunctionProperty),
__f(f)
{
;
}
/**
* Copy constructor
*
* @param fv given VariationalOperatorFV
*/
VariationalOperatorFV(const VariationalOperatorFV& fv)
: VariationalLinearOperator(fv),
__f(fv.__f)
{
;
}
/**
* Destructor
*
*/
~VariationalOperatorFV()
{
;
}
};
#endif // VARIATIONAL_OPERATOR_FV_HPP
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