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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: 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>
/**
* @file ScalarFunctionBuilder.hpp
* @author Stephane Del Pino
* @date Thu Jul 20 00:38:25 2006
*
* @brief factory to build several types of functions
*
*/
class ScalarFunctionBuilder
{
private:
/**
* @class Simplifier is used to simplify functions at built
* time. For instance, if f=1 and g=2, f+g is replaced by 3...
*/
class Simplifier;
ConstReferenceCounting<ScalarFunctionBase>
__builtFunction; /**< built function */
public:
/**
* set a function
*
* @param f function to set
*/
void setFunction(ConstReferenceCounting<ScalarFunctionBase> f);
/**
* set binary operation
*
* @param type the type of the operation
* @param g the second operand
*/
void setBinaryOperation(const BinaryOperation type,
ConstReferenceCounting<ScalarFunctionBase> g);
/**
* set unary minus
*
*/
void setUnaryMinus();
/**
* set not function
*
*/
void setNot();
/**
* Set the C-function labeled by the string @a cfunction
*
* @param cfunction the name of a C-function
*/
void setCFunction(const std::string& cfunction);
/**
* Read-only access to the function
*
* @return __builtFunction
*/
ConstReferenceCounting<ScalarFunctionBase>
getBuiltFunction()
{
return __builtFunction;
}
/**
* Constructor
*
*/
ScalarFunctionBuilder()
: __builtFunction(0)
{
;
}
/**
* Destructor
*
*/
~ScalarFunctionBuilder()
{
;
}
};
#endif // SCALAR_FUNCTION_BUILDER_HPP
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