Mercurial > octave-nkf
view scripts/miscellaneous/is_leap_year.m @ 2311:2b5788792cad
[project @ 1996-07-11 20:18:38 by jwe]
author | jwe |
---|---|
date | Thu, 11 Jul 1996 20:18:38 +0000 |
parents | 5cffc4b8de57 |
children | 5ca126254d15 |
line wrap: on
line source
### Copyright (C) 1996 John W. Eaton ### ### This file is part of Octave. ### ### Octave is free software; you can redistribute it and/or modify it ### under the terms of the GNU General Public License as published by ### the Free Software Foundation; either version 2, or (at your option) ### any later version. ### ### Octave is distributed in the hope that it will be useful, but ### WITHOUT ANY WARRANTY; without even the implied warranty of ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ### General Public License for more details. ### ### You should have received a copy of the GNU General Public License ### along with Octave; see the file COPYING. If not, write to the Free ### Software Foundation, 59 Temple Place - Suite 330, Boston, MA ### 02111-1307, USA. ## usage: is_leap_year (year) ## ## Return 1 if the given year is a leap year; otherwise, return 0. ## With no arguments, use the current year. function retval = is_leap_year (year) if (nargin > 1) usage ("is_leap_year (year)"); endif if (nargin == 0) t = clock (); year = t (1); endif retval = ((rem (year, 4) == 0 & rem (year, 100) != 0) ... | rem (year, 400) == 0); endfunction