octave-antonio: scripts/time/is_leap

annotate scripts/time/is_leap_year.m @ 13856:d490ca8ab1a5

Modernize function implementations and docstrings in scripts/time. * addtodate.m: Add millisecond functionality. Update docstring and %!tests. * calendar.m: Implement faster way to add '*' to day display. Update docstring. * weekday.m: Use more modern coding stytle. Update docstring. * asctime.m, clock.m, ctime.m, date.m, datenum.m, datestr.m, datevec.m, eomday.m, etime.m, is_leap_year.m: Update docstring and/or use Octave formatting spacing conventions for %!tests.

author	Rik <octave@nomad.inbox5.com>
date	Thu, 10 Nov 2011 13:35:08 -0800
parents	fd0a3ac60b0e
children	72c96de7a403

rev	line source
11523 fd0a3ac60b0e update copyright notices John W. Eaton <jwe@octave.org> parents: 11431 diff changeset	1 ## Copyright (C) 1996-2011 John W. Eaton
5596 6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	2 ##
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	3 ## This file is part of Octave.
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	4 ##
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	5 ## Octave is free software; you can redistribute it and/or modify it
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	6 ## under the terms of the GNU General Public License as published by
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6046 diff changeset	7 ## the Free Software Foundation; either version 3 of the License, or (at
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6046 diff changeset	8 ## your option) any later version.
5596 6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	9 ##
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	10 ## Octave is distributed in the hope that it will be useful, but
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	13 ## General Public License for more details.
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	14 ##
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	15 ## You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6046 diff changeset	16 ## along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6046 diff changeset	17 ## <http://www.gnu.org/licenses/>.
5596 6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	18
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	19 ## -- texinfo --
11431 0d9640d755b1 Improve docstrings for all isXXX functions. Rik <octave@nomad.inbox5.com> parents: 10821 diff changeset	20 ## @deftypefn {Function File} {} is_leap_year ()
0d9640d755b1 Improve docstrings for all isXXX functions. Rik <octave@nomad.inbox5.com> parents: 10821 diff changeset	21 ## @deftypefnx {Function File} {} is_leap_year (@var{year})
13856 d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	22 ## Return true if @var{year} is a leap year and false otherwise. If no
d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	23 ## year is specified, @code{is_leap_year} uses the current year.
10821 693e22af08ae Grammarcheck documentation of m-files Rik <octave@nomad.inbox5.com> parents: 8920 diff changeset	24 ## For example:
5596 6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	25 ##
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	26 ## @example
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	27 ## @group
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	28 ## is_leap_year (2000)
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	29 ## @result{} 1
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	30 ## @end group
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	31 ## @end example
13856 d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	32 ## @seealso{weekday, eomday, calendar}
5596 6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	33 ## @end deftypefn
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	34
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	35 ## Author: jwe
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	36
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	37 function retval = is_leap_year (year)
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	38
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	39 if (nargin > 1)
6046 34f96dd5441b [project @ 2006-10-10 16:10:25 by jwe] jwe parents: 5596 diff changeset	40 print_usage ();
5596 6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	41 endif
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	42
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	43 if (nargin == 0)
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	44 t = clock ();
13856 d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	45 year = t(1);
5596 6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	46 endif
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	47
13856 d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	48 retval = (rem (year, 4) == 0 & rem (year, 100) != 0) \| (rem (year, 400) == 0);
5596 6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	49
6c4e4bffa622 [project @ 2006-01-13 20:05:51 by jwe] jwe parents: diff changeset	50 endfunction
7411 83a8781b529d [project @ 2008-01-22 21:52:25 by jwe] jwe parents: 7017 diff changeset	51
13856 d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	52
d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	53 %!assert (is_leap_year (2000), true)
d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	54 %!assert (is_leap_year (1976), true)
d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	55 %!assert (is_leap_year (1000), false)
d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	56 %!assert (is_leap_year (1800), false)
d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	57 %!assert (is_leap_year (1600), true)
7411 83a8781b529d [project @ 2008-01-22 21:52:25 by jwe] jwe parents: 7017 diff changeset	58
83a8781b529d [project @ 2008-01-22 21:52:25 by jwe] jwe parents: 7017 diff changeset	59 %!error is_leap_year (1, 2);
83a8781b529d [project @ 2008-01-22 21:52:25 by jwe] jwe parents: 7017 diff changeset	60

Mercurial > octave-antonio

annotate scripts/time/is_leap_year.m @ 13856:d490ca8ab1a5