rubidium@4261: /* $Id$ */
rubidium@4261: 
rubidium@8636: /** @file date_func.h Functions related to dates. */
rubidium@4322: 
rubidium@8636: #ifndef DATE_FUNC_H
rubidium@8636: #define DATE_FUNC_H
rubidium@4322: 
rubidium@8636: #include "date_type.h"
rubidium@4261: 
rubidium@4261: extern Year      _cur_year;
rubidium@4261: extern Month     _cur_month;
rubidium@4261: extern Date      _date;
rubidium@4261: extern DateFract _date_fract;
rubidium@4261: 
rubidium@4261: void SetDate(Date date);
rubidium@4288: void ConvertDateToYMD(Date date, YearMonthDay *ymd);
rubidium@4288: Date ConvertYMDToDate(Year year, Month month, Day day);
peter1138@4666: 
frosch@11038: static inline bool IsLeapYear(Year yr)
frosch@11038: {
frosch@11038: 	return yr % 4 == 0 && (yr % 100 != 0 || yr % 400 == 0);
frosch@11038: }
frosch@11038: 
rubidium@8636: #endif /* DATE_FUNC_H */