#include <cstdlib>
#include "smalldate.h"
using namespace std;

const int smalldate::pre[] = {
	0,                      //dummy element to give january subscript 0
	0,                      //january
	pre[ 1] + length[ 1],   //february
	pre[ 2] + length[ 2],   //march
	pre[ 3] + length[ 3],   //april
	pre[ 4] + length[ 4],   //may
	pre[ 5] + length[ 5],   //june
	pre[ 6] + length[ 6],   //july
	pre[ 7] + length[ 7],   //august
	pre[ 8] + length[ 8],   //september
	pre[ 9] + length[ 9],   //october
	pre[10] + length[10],   //november
	pre[11] + length[11]    //december
};

void smalldate::print(ostream& ost) const
{
	div_t d = div(day, 365);
	if (d.rem < 0) {   //Make sure remainder is non-negative.
		d.rem += 365;
		--d.quot;
	}

	int julian = d.rem + 1; //Julian date is in range 1 to 365, not 0 to 364.
	int month;              //uninitialized variable

	for (month = 1; julian > length[month]; ++month) {
		julian -= length[month];
	}

	ost << month << "/" << julian << "/" << d.quot;
}