19 lines
511 B
C
Vendored
19 lines
511 B
C
Vendored
/* Zeta API - Z/macros/calendar.h
|
|
______ ______________ ___
|
|
|__ / | ___|___ ___|/ \
|
|
/ /__| __| | | / - \
|
|
/______|_____| |__| /__/ \__\
|
|
Copyright (C) 2006-2025 Manuel Sainz de Baranda y Goñi.
|
|
Released under the terms of the GNU Lesser General Public License v3. */
|
|
|
|
#ifndef Z_macros_calendar_H
|
|
#define Z_macros_calendar_H
|
|
|
|
#define Z_GREGORIAN_YEAR_IS_LEAP(year) \
|
|
!((year) % ((year) % 100 ? 4 : 400))
|
|
|
|
#define Z_JULIAN_YEAR_IS_LEAP(year) \
|
|
!((year) % 4)
|
|
|
|
#endif /* Z_macros_calendar_H */
|