rubidium@8140: /* $Id$ */
rubidium@8140: 
rubidium@8140: /** @file date_func.h Functions related to dates. */
rubidium@8140: 
rubidium@8140: #ifndef DATE_FUNC_H
rubidium@8140: #define DATE_FUNC_H
rubidium@8140: 
rubidium@8140: #include "date_type.h"
rubidium@8140: 
rubidium@8140: extern Year      _cur_year;
rubidium@8140: extern Month     _cur_month;
rubidium@8140: extern Date      _date;
rubidium@8140: extern DateFract _date_fract;
rubidium@8140: 
rubidium@8140: void SetDate(Date date);
rubidium@8140: void ConvertDateToYMD(Date date, YearMonthDay *ymd);
rubidium@8140: Date ConvertYMDToDate(Year year, Month month, Day day);
rubidium@8140: 
frosch@9570: static inline bool IsLeapYear(Year yr)
frosch@9570: {
frosch@9570: 	return yr % 4 == 0 && (yr % 100 != 0 || yr % 400 == 0);
frosch@9570: }
frosch@9570: 
rubidium@8140: #endif /* DATE_FUNC_H */