Mercurial > octave-nkf
view scripts/time/is_leap_year.m @ 19654:a1d172bfcb2f gui-release
eliminate some unused variable and typedef warnings
* pr-output.cc, profiler.cc, ov-base-diag.cc, ov-perm.cc: Eliminate
unused variables and typedefs.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Fri, 23 Jan 2015 16:09:35 -0500 |
parents | d63878346099 |
children | 4197fc428c7d |
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## Copyright (C) 1996-2013 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 3 of the License, 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, see ## <http://www.gnu.org/licenses/>. ## -*- texinfo -*- ## @deftypefn {Function File} {} is_leap_year () ## @deftypefnx {Function File} {} is_leap_year (@var{year}) ## Return true if @var{year} is a leap year and false otherwise. If no ## year is specified, @code{is_leap_year} uses the current year. ## For example: ## ## @example ## @group ## is_leap_year (2000) ## @result{} 1 ## @end group ## @end example ## @seealso{weekday, eomday, calendar} ## @end deftypefn ## Author: jwe function retval = is_leap_year (year) if (nargin > 1) print_usage (); endif if (nargin == 0) t = clock (); year = t(1); endif retval = (rem (year, 4) == 0 & rem (year, 100) != 0) | (rem (year, 400) == 0); endfunction %!assert (is_leap_year (2000), true) %!assert (is_leap_year (1976), true) %!assert (is_leap_year (1000), false) %!assert (is_leap_year (1800), false) %!assert (is_leap_year (1600), true) %!error is_leap_year (1, 2)