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| author | rubidium <rubidium@openttd.org> | 2011-05-02 17:42:12 +0000 |
|---|---|---|
| committer | rubidium <rubidium@openttd.org> | 2011-05-02 17:42:12 +0000 |
| commit | fb5ecb94992e7febf4bc059cb6ec4a51f50c66b0 (patch) | |
| tree | 87956636c318baa8d5d8d62f13263c4f64dbe881 /src/date_func.h | |
| parent | 4d5dbf51707c42c24eeafdb65016b079c54adcf2 (diff) | |
| download | openttd-fb5ecb94992e7febf4bc059cb6ec4a51f50c66b0.tar.xz | |
(svn r22411) -Document: another bunch of bits
Diffstat (limited to 'src/date_func.h')
| -rw-r--r-- | src/date_func.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/date_func.h b/src/date_func.h index 38e310a87..6bbde5955 100644 --- a/src/date_func.h +++ b/src/date_func.h @@ -24,6 +24,11 @@ void SetDate(Date date, DateFract fract); void ConvertDateToYMD(Date date, YearMonthDay *ymd); Date ConvertYMDToDate(Year year, Month month, Day day); +/** + * Checks whether the given year is a leap year or not. + * @param yr The year to check. + * @return True if \c yr is a leap year, otherwise false. + */ static inline bool IsLeapYear(Year yr) { return yr % 4 == 0 && (yr % 100 != 0 || yr % 400 == 0); |