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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: FunctionExpressionDomainCharacteristic.hpp,v 1.1 2006/07/20 17:29:18 delpinux Exp $
#ifndef FUNCTION_EXPRESSION_DOMAIN_CHARACTERISTIC_HPP
#define FUNCTION_EXPRESSION_DOMAIN_CHARACTERISTIC_HPP
#include <FunctionExpression.hpp>
class DomainExpression;
/**
* @file FunctionExpressionDomainCharacteristic.hpp
* @author Stephane Del Pino
* @date Tue Jul 4 01:47:23 2006
*
* @brief Characteristic function of a domain
*
*/
class FunctionExpressionDomainCharacteristic
: public FunctionExpression
{
private:
ReferenceCounting<DomainExpression> __domain; /**< domain expression */
/**
* Overloading of the put function
*
* @param os given stream
*
* @return os
*/
std::ostream& put(std::ostream& os) const;
public:
/**
* execute the expression
*
*/
void execute();
/**
* Constructor
*
* @param D domain expression
*
*/
FunctionExpressionDomainCharacteristic(ReferenceCounting<DomainExpression> D);
/**
* Copy constructor
*
* @param f given function expression of the characteristic function of a domain
*
*/
FunctionExpressionDomainCharacteristic(const FunctionExpressionDomainCharacteristic& f);
/**
* Destructor
*
*/
~FunctionExpressionDomainCharacteristic();
};
#endif // FUNCTION_EXPRESSION_DOMAIN_CHARACTERISTIC_HPP
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