ScalarFunctionBuilder.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: ScalarFunctionBuilder.hpp,v 1.2 2006/10/28 12:26:54 delpinux Exp $

#ifndef SCALAR_FUNCTION_BUILDER_HPP
#define SCALAR_FUNCTION_BUILDER_HPP

#include <ReferenceCounting.hpp>
#include <ErrorHandler.hpp>

#include <ScalarFunctionBase.hpp>
#include <BinaryOperation.hpp>

class ScalarFunctionBuilder
{
private:
  class Simplifier;

  ConstReferenceCounting<ScalarFunctionBase>
  __builtFunction;              
public:
  void setFunction(ConstReferenceCounting<ScalarFunctionBase> f);

  void setBinaryOperation(const BinaryOperation type,
                          ConstReferenceCounting<ScalarFunctionBase> g);

  void setUnaryMinus();

  void setNot();

  void setCFunction(const std::string& cfunction);

  ConstReferenceCounting<ScalarFunctionBase>
  getBuiltFunction()
  {
    return __builtFunction;
  }

  ScalarFunctionBuilder()
    : __builtFunction(0)
  {
    ;
  }

  ~ScalarFunctionBuilder()
  {
    ;
  }
};

#endif // SCALAR_FUNCTION_BUILDER_HPP

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