#ifndef DATE_H
#define DATE_H
#include <iostream>
using namespace std;

//This is the header file for class date.
//Jan  1, 0 AD is day   0
//Jan  2, 0 AD is day   1
//Dec 31, 0 AD is day 364
//Jan  1, 1 AD is day 365
//etc.
//so  day / 365 is the year
//and day % 365 is the day of the year (in the range 0 to 364 inclusive)

class date {
	int day;
	static const int length[12+1];
public:
	date(int m, int d, int y);
	date();   //Put today's date into the newborn object.
//	void print() const;
//
	friend ostream& operator<<(ostream& ost, const date& d);
	date& operator+=(int n) {day += n; return *this;}
	date& operator-=(int n) {day -= n; return *this;}

};

inline const date operator+(date d,int n) {return d += n;}
inline const date operator+(int n, date d) {return d += n;}
inline const date operator-(date d,int n) {return d -= n;}

inline date& operator--(date& d) {return d -= 1;}
inline date& operator++(date& d) {return d += 1;}
inline const date operator++(date& d, int)
{
	const date old {d};
	++d;
	return old;
}

inline const date operator--(date& d, int)
{
	const date old {d};
	--d;
	return old;
}

#endif