VariationalOperatorAlphaUV.hpp

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//  This file is part of ff3d - http://www.freefem.org/ff3d
//  Copyright (C) 2001, 2002, 2003 Stéphane 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: VariationalOperatorAlphaUV.hpp,v 1.6 2007/06/10 15:03:32 delpinux Exp $

#ifndef VARIATIONAL_OPERATOR_ALPHA_U_V_HPP
#define VARIATIONAL_OPERATOR_ALPHA_U_V_HPP

#include <VariationalBilinearOperator.hpp>
#include <ScalarFunctionBuilder.hpp>
#include <ScalarFunctionBase.hpp>

class VariationalAlphaUVOperator
  : public VariationalBilinearOperator
{
private:
  ConstReferenceCounting<ScalarFunctionBase>
  __Alpha;                      
public:
  ConstReferenceCounting<ScalarFunctionBase> alpha() const
  {
    return __Alpha;
  }

  ReferenceCounting<VariationalBilinearOperator>
  operator*(const ConstReferenceCounting<ScalarFunctionBase>& c) const
  {
    VariationalAlphaUVOperator* newOperator = new VariationalAlphaUVOperator(*this);
    ScalarFunctionBuilder functionBuilder;
    functionBuilder.setFunction(__Alpha);
    functionBuilder.setBinaryOperation(BinaryOperation::product,c);

    (*newOperator).__Alpha = functionBuilder.getBuiltFunction();

    return newOperator;
  }

  VariationalAlphaUVOperator(const size_t& unknownNumber,
                             const VariationalOperator::Property& unknownProperty,
                             const size_t& testFunctionNumber,
                             const VariationalOperator::Property& testFunctionProperty,
                             ConstReferenceCounting<ScalarFunctionBase> alpha)
    : VariationalBilinearOperator(VariationalBilinearOperator::alphaUV,
                                  unknownNumber, unknownProperty,
                                  testFunctionNumber, testFunctionProperty),
      __Alpha(alpha)
  {
    ;
  }

  VariationalAlphaUVOperator(const VariationalAlphaUVOperator& V)
    : VariationalBilinearOperator(V),
      __Alpha(V.__Alpha)
  {
    ;
  }

  ~VariationalAlphaUVOperator()
  {
    ;
  }
};

#endif // VARIATIONAL_OPERATOR_ALPHA_U_V_HPP

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