FunctionExpressionIntegrate.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: FunctionExpressionIntegrate.hpp,v 1.2 2006/07/23 22:17:07 delpinux Exp $

#ifndef FUNCTION_EXPRESSION_INTEGRATE_HPP
#define FUNCTION_EXPRESSION_INTEGRATE_HPP

#include <FunctionExpression.hpp>

class FunctionExpressionIntegrate
  : public FunctionExpression
{
public:
  enum Direction {
    x,
    y,
    z
  };

private:
  ReferenceCounting<FunctionExpression>
  __lowerBound;                 
  ReferenceCounting<FunctionExpression>
  __upperBound;                 
  ReferenceCounting<FunctionExpression>
  __integratedFunction;         
  Direction __direction;        
public:
  void execute();

  FunctionExpressionIntegrate(ReferenceCounting<FunctionExpression> lowerBound,
                              ReferenceCounting<FunctionExpression> upperBound,
                              ReferenceCounting<FunctionExpression> integratedFunction,
                              const std::string& directionName);

  FunctionExpressionIntegrate(const FunctionExpressionIntegrate& f);

  ~FunctionExpressionIntegrate();
};

#endif // FUNCTION_EXPRESSION_INTEGRATE_HPP

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