// namespace13.h	By: Aiman Hanna -  ©1993-2006 Aiman Hanna

#ifndef __NAMESPACE13_H
#define __NAMESPACE13_H

#include <iostream.h>

namespace region3
{
class Calc1; // forward declaration 

// Global methods
void dup(Calc1& c1, Calc1& c2); // duplicate the value of c1 to the one of c2


// class Calc1

class Calc1
{	
	public:
		Calc1(double x = 10);
		void setValue(double); 
		double getValue() const;

	private:
		double v1;

};


namespace region31
{
	void message1();

	namespace region32
	{
		void message2();
		namespace region33
		{
			void message3();
		}
	}
}


} // end of namespace region3


#endif