octave-lyh: scripts/time/datenum.m annotate

annotate scripts/time/datenum.m @ 17176:19191d0ef0bf

build: Remove second re-definition of octetc_DATA from Makefile.am. * Makefile.am: Remove second re-definition of octetc_DATA from Makefile.am.

author	Rik <rik@octave.org>
date	Sun, 04 Aug 2013 07:56:41 -0700
parents	ec924357b375
children	1c89599167a6

rev	line source
14138 72c96de7a403 maint: update copyright notices for 2012 John W. Eaton <jwe@octave.org> parents: 13856 diff changeset	1 ## Copyright (C) 2006-2012 Paul Kienzle
5661 13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	2 ##
13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	3 ## This file is part of Octave.
13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	4 ##
13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	5 ## Octave is free software; you can redistribute it and/or modify it
13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 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.
5661 13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	9 ##
13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	10 ## Octave is distributed in the hope that it will be useful, but
13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	13 ## General Public License for more details.
13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	14 ##
13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 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/>.
5661 13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	18
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	19 ## -- texinfo --
13848 40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	20 ## @deftypefn {Function File} {@var{days} =} datenum (@var{datevec})
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	21 ## @deftypefnx {Function File} {@var{days} =} datenum (@var{year}, @var{month}, @var{day})
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	22 ## @deftypefnx {Function File} {@var{days} =} datenum (@var{year}, @var{month}, @var{day}, @var{hour})
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	23 ## @deftypefnx {Function File} {@var{days} =} datenum (@var{year}, @var{month}, @var{day}, @var{hour}, @var{minute})
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	24 ## @deftypefnx {Function File} {@var{days} =} datenum (@var{year}, @var{month}, @var{day}, @var{hour}, @var{minute}, @var{second})
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	25 ## @deftypefnx {Function File} {@var{days} =} datenum ("datestr")
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	26 ## @deftypefnx {Function File} {@var{days} =} datenum ("datestr", @var{p})
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	27 ## @deftypefnx {Function File} {[@var{days}, @var{secs}] =} datenum (@dots{})
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	28 ## Return the date/time input as a serial day number, with Jan 1, 0000
13856 d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 13848 diff changeset	29 ## defined as day 1.
d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 13848 diff changeset	30 ##
d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 13848 diff changeset	31 ## The integer part, @code{floor (@var{days})} counts the number of
d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 13848 diff changeset	32 ## complete days in the date input.
d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 13848 diff changeset	33 ##
d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 13848 diff changeset	34 ## The fractional part, @code{rem (@var{days}, 1)} corresponds to the time
d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 13848 diff changeset	35 ## on the given day.
d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 13848 diff changeset	36 ##
d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 13848 diff changeset	37 ## The input may be a date vector (see @code{datevec}),
13848 40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	38 ## datestr (see @code{datestr}), or directly specified as input.
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	39 ##
13856 d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 13848 diff changeset	40 ## When processing input datestrings, @var{p} is the year at the start of the
d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 13848 diff changeset	41 ## century to which two-digit years will be referenced. If not specified, it
d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 13848 diff changeset	42 ## defaults to the current year minus 50.
13848 40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	43 ##
13856 d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 13848 diff changeset	44 ## The optional output @var{secs} holds the time on the specified day with
d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 13848 diff changeset	45 ## greater precision than @var{days}.
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	46 ##
5661 13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	47 ## Notes:
13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	48 ##
13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	49 ## @itemize
13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	50 ## @item
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	51 ## Years can be negative and/or fractional.
10821 693e22af08ae Grammarcheck documentation of m-files Rik <octave@nomad.inbox5.com> parents: 10793 diff changeset	52 ##
5661 13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	53 ## @item
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	54 ## Months below 1 are considered to be January.
10821 693e22af08ae Grammarcheck documentation of m-files Rik <octave@nomad.inbox5.com> parents: 10793 diff changeset	55 ##
5661 13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	56 ## @item
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	57 ## Days of the month start at 1.
10821 693e22af08ae Grammarcheck documentation of m-files Rik <octave@nomad.inbox5.com> parents: 10793 diff changeset	58 ##
5661 13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	59 ## @item
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	60 ## Days beyond the end of the month go into subsequent months.
10821 693e22af08ae Grammarcheck documentation of m-files Rik <octave@nomad.inbox5.com> parents: 10793 diff changeset	61 ##
5661 13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	62 ## @item
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	63 ## Days before the beginning of the month go to the previous month.
10821 693e22af08ae Grammarcheck documentation of m-files Rik <octave@nomad.inbox5.com> parents: 10793 diff changeset	64 ##
5661 13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	65 ## @item
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	66 ## Days can be fractional.
5661 13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	67 ## @end itemize
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	68 ##
12973 b80b18f537ca doc: Correct various Texinfo warnings about incorrect use of macros. Rik <octave@nomad.inbox5.com> parents: 12681 diff changeset	69 ## @strong{Caution:} this function does not attempt to handle Julian
14748 ec924357b375 doc: Fix typo in datenum docstring. Rik <octave@nomad.inbox5.com> parents: 14737 diff changeset	70 ## calendars so dates before October 15, 1582 are wrong by as much
13848 40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	71 ## as eleven days. Also, be aware that only Roman Catholic countries
11587 c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	72 ## adopted the calendar in 1582. It took until 1924 for it to be
c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	73 ## adopted everywhere. See the Wikipedia entry on the Gregorian
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	74 ## calendar for more details.
4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	75 ##
5661 13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	76 ## @strong{Warning:} leap seconds are ignored. A table of leap seconds
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	77 ## is available on the Wikipedia entry for leap seconds.
13856 d490ca8ab1a5 Modernize function implementations and docstrings in scripts/time. Rik <octave@nomad.inbox5.com> parents: 13848 diff changeset	78 ## @seealso{datestr, datevec, now, clock, date}
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	79 ## @end deftypefn
4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	80
4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	81 ## Algorithm: Peter Baum (http://vsg.cape.com/~pbaum/date/date0.htm)
5687 a2902024bc4e [project @ 2006-03-16 20:22:40 by jwe] jwe parents: 5661 diff changeset	82 ## Author: pkienzle <pkienzle@users.sf.net>
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	83
13848 40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	84 function [days, secs] = datenum (year, month = [], day = [], hour = 0, minute = 0, second = 0)
5661 13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	85
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	86 ## Days until start of month assuming year starts March 1.
5661 13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	87 persistent monthstart = [306; 337; 0; 31; 61; 92; 122; 153; 184; 214; 245; 275];
14665 4f458e882516 Allow fractional months to datenum and correct a couple of typos in datetick (bug #36482) David Bateman <dbateman@free.fr> parents: 14363 diff changeset	88 persistent monthlength = [31; 28; 31; 30; 31; 30; 31; 31; 30; 31; 30; 31];
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	89
13848 40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	90 if (nargin == 0 \|\| nargin > 6 \|\|
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	91 (nargin > 2 && (ischar (year) \|\| iscellstr (year))))
6046 34f96dd5441b [project @ 2006-10-10 16:10:25 by jwe] jwe parents: 5973 diff changeset	92 print_usage ();
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	93 endif
13848 40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	94
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	95 if (ischar (year) \|\| iscellstr (year))
11469 c776f063fefe Overhaul m-script files to use common variable name between code and documentation. Rik <octave@nomad.inbox5.com> parents: 10821 diff changeset	96 [year, month, day, hour, minute, second] = datevec (year, month);
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	97 else
5661 13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	98 if (nargin == 1)
11469 c776f063fefe Overhaul m-script files to use common variable name between code and documentation. Rik <octave@nomad.inbox5.com> parents: 10821 diff changeset	99 nc = columns (year);
5661 13be36ec8279 [project @ 2006-03-10 17:43:38 by jwe] jwe parents: 5660 diff changeset	100 if (nc > 6 \|\| nc < 3)
11472 1740012184f9 Use uppercase for variable names in error() strings to match Info documentation. Only m-files done. Rik <octave@nomad.inbox5.com> parents: 11469 diff changeset	101 error ("datenum: expected date vector containing [YEAR, MONTH, DAY, HOUR, MINUTE, SECOND]");
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	102 endif
11469 c776f063fefe Overhaul m-script files to use common variable name between code and documentation. Rik <octave@nomad.inbox5.com> parents: 10821 diff changeset	103 if (nc >= 6) second = year(:,6); endif
c776f063fefe Overhaul m-script files to use common variable name between code and documentation. Rik <octave@nomad.inbox5.com> parents: 10821 diff changeset	104 if (nc >= 5) minute = year(:,5); endif
13848 40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	105 if (nc >= 4) hour = year(:,4); endif
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	106 day = year(:,3);
11469 c776f063fefe Overhaul m-script files to use common variable name between code and documentation. Rik <octave@nomad.inbox5.com> parents: 10821 diff changeset	107 month = year(:,2);
13848 40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	108 year = year(:,1);
11587 c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	109 endif
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	110 endif
4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	111
14737 94a8366f9f89 datenum.m: Ensure all inputs are of class double (Bug #36587). Rik <octave@nomad.inbox5.com> parents: 14665 diff changeset	112 if (! (isa (year, "double") && isa (month, "double") && isa (day, "double") &&
94a8366f9f89 datenum.m: Ensure all inputs are of class double (Bug #36587). Rik <octave@nomad.inbox5.com> parents: 14665 diff changeset	113 isa (hour, "double") && isa (minute, "double") && isa (second, "double")))
94a8366f9f89 datenum.m: Ensure all inputs are of class double (Bug #36587). Rik <octave@nomad.inbox5.com> parents: 14665 diff changeset	114 error ("datenum: all inputs must be of class double");
94a8366f9f89 datenum.m: Ensure all inputs are of class double (Bug #36587). Rik <octave@nomad.inbox5.com> parents: 14665 diff changeset	115 endif
94a8366f9f89 datenum.m: Ensure all inputs are of class double (Bug #36587). Rik <octave@nomad.inbox5.com> parents: 14665 diff changeset	116
94a8366f9f89 datenum.m: Ensure all inputs are of class double (Bug #36587). Rik <octave@nomad.inbox5.com> parents: 14665 diff changeset	117 month(month<1) = 1; # For compatibility. Otherwise allow negative months.
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	118
14665 4f458e882516 Allow fractional months to datenum and correct a couple of typos in datetick (bug #36482) David Bateman <dbateman@free.fr> parents: 14363 diff changeset	119 ## Treat fractional months, by converting the fraction to days
4f458e882516 Allow fractional months to datenum and correct a couple of typos in datetick (bug #36482) David Bateman <dbateman@free.fr> parents: 14363 diff changeset	120 if (floor (month) != month)
4f458e882516 Allow fractional months to datenum and correct a couple of typos in datetick (bug #36482) David Bateman <dbateman@free.fr> parents: 14363 diff changeset	121 fracmonth = month - floor (month);
4f458e882516 Allow fractional months to datenum and correct a couple of typos in datetick (bug #36482) David Bateman <dbateman@free.fr> parents: 14363 diff changeset	122 month = floor (month);
4f458e882516 Allow fractional months to datenum and correct a couple of typos in datetick (bug #36482) David Bateman <dbateman@free.fr> parents: 14363 diff changeset	123 if ((mod (month-1,12) + 1) == 2 &&
4f458e882516 Allow fractional months to datenum and correct a couple of typos in datetick (bug #36482) David Bateman <dbateman@free.fr> parents: 14363 diff changeset	124 (floor (year/4) - floor (year/100) + floor (year/400)) != 0)
4f458e882516 Allow fractional months to datenum and correct a couple of typos in datetick (bug #36482) David Bateman <dbateman@free.fr> parents: 14363 diff changeset	125 ## leap year
4f458e882516 Allow fractional months to datenum and correct a couple of typos in datetick (bug #36482) David Bateman <dbateman@free.fr> parents: 14363 diff changeset	126 day += fracmonth * 29;
4f458e882516 Allow fractional months to datenum and correct a couple of typos in datetick (bug #36482) David Bateman <dbateman@free.fr> parents: 14363 diff changeset	127 else
4f458e882516 Allow fractional months to datenum and correct a couple of typos in datetick (bug #36482) David Bateman <dbateman@free.fr> parents: 14363 diff changeset	128 day += fracmonth * monthlength ((mod (month-1,12) + 1));
4f458e882516 Allow fractional months to datenum and correct a couple of typos in datetick (bug #36482) David Bateman <dbateman@free.fr> parents: 14363 diff changeset	129 endif
4f458e882516 Allow fractional months to datenum and correct a couple of typos in datetick (bug #36482) David Bateman <dbateman@free.fr> parents: 14363 diff changeset	130 endif
4f458e882516 Allow fractional months to datenum and correct a couple of typos in datetick (bug #36482) David Bateman <dbateman@free.fr> parents: 14363 diff changeset	131
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	132 ## Set start of year to March by moving Jan. and Feb. to previous year.
4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	133 ## Correct for months > 12 by moving to subsequent years.
11469 c776f063fefe Overhaul m-script files to use common variable name between code and documentation. Rik <octave@nomad.inbox5.com> parents: 10821 diff changeset	134 year += fix ((month-14)/12);
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	135
4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	136 ## Lookup number of days since start of the current year.
11469 c776f063fefe Overhaul m-script files to use common variable name between code and documentation. Rik <octave@nomad.inbox5.com> parents: 10821 diff changeset	137 if (numel (month) == 1 \|\| numel (day) == 1)
c776f063fefe Overhaul m-script files to use common variable name between code and documentation. Rik <octave@nomad.inbox5.com> parents: 10821 diff changeset	138 ## Allow month or day to be scalar while other values may be vectors or
7782 bfd8d804e6d3 datenum\: fixed combination of scalar and vector/matrix input bug bill@denney.ws parents: 7659 diff changeset	139 ## matrices.
11469 c776f063fefe Overhaul m-script files to use common variable name between code and documentation. Rik <octave@nomad.inbox5.com> parents: 10821 diff changeset	140 day += monthstart (mod (month-1,12) + 1) + 60;
c776f063fefe Overhaul m-script files to use common variable name between code and documentation. Rik <octave@nomad.inbox5.com> parents: 10821 diff changeset	141 if (numel (month) > 1)
c776f063fefe Overhaul m-script files to use common variable name between code and documentation. Rik <octave@nomad.inbox5.com> parents: 10821 diff changeset	142 day = reshape (day, size (month));
7782 bfd8d804e6d3 datenum\: fixed combination of scalar and vector/matrix input bug bill@denney.ws parents: 7659 diff changeset	143 endif
bfd8d804e6d3 datenum\: fixed combination of scalar and vector/matrix input bug bill@denney.ws parents: 7659 diff changeset	144 else
11469 c776f063fefe Overhaul m-script files to use common variable name between code and documentation. Rik <octave@nomad.inbox5.com> parents: 10821 diff changeset	145 day += reshape (monthstart (mod (month-1,12) + 1), size (day)) + 60;
7782 bfd8d804e6d3 datenum\: fixed combination of scalar and vector/matrix input bug bill@denney.ws parents: 7659 diff changeset	146 endif
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	147
4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	148 ## Add number of days to the start of the current year. Correct
4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	149 ## for leap year every 4 years except centuries not divisible by 400.
11469 c776f063fefe Overhaul m-script files to use common variable name between code and documentation. Rik <octave@nomad.inbox5.com> parents: 10821 diff changeset	150 day += 365*year + floor (year/4) - floor (year/100) + floor (year/400);
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	151
4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	152 ## Add fraction representing current second of the day.
13848 40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	153 days = day + (hour + (minute + second/60)/60)/24;
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	154
4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	155 ## Output seconds if asked so that etime can be more accurate
13848 40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	156 if (isargout (2))
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	157 secs = day86400 + hour3600 + minute*60 + second;
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	158 endif
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	159
4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	160 endfunction
4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	161
13848 40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	162
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	163 %!shared part
4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	164 %! part = 0.514623842592593;
13848 40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	165 %!assert (datenum (2001,5,19), 730990)
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	166 %!assert (datenum ([1417,6,12]), 517712)
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	167 %!assert (datenum ([2001,5,19;1417,6,12]), [730990;517712])
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	168 %!assert (datenum (2001,5,19,12,21,3.5), 730990+part, eps)
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	169 %!assert (datenum ([1417,6,12,12,21,3.5]), 517712+part, eps)
7659 4ab2488ab2b4 datenum: allow vector inputs in any orientation Bill Denny parents: 7017 diff changeset	170 ## Test vector inputs
5660 4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	171 %!test
4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	172 %! t = [2001,5,19,12,21,3.5; 1417,6,12,12,21,3.5];
4c4d31ecb0e4 [project @ 2006-03-10 17:27:50 by jwe] jwe parents: diff changeset	173 %! n = [730990; 517712] + part;
13848 40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	174 %! assert (datenum (t), n, 2*eps);
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	175 %! ## Check that vectors can have either orientation
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	176 %! t = t';
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	177 %! n = n';
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	178 %! assert (datenum (t(1,:), t(2,:), t(3,:), t(4,:), t(5,:), t(6,:)), n, 2*eps);
7782 bfd8d804e6d3 datenum\: fixed combination of scalar and vector/matrix input bug bill@denney.ws parents: 7659 diff changeset	179
bfd8d804e6d3 datenum\: fixed combination of scalar and vector/matrix input bug bill@denney.ws parents: 7659 diff changeset	180 ## Test mixed vectors and scalars
14363 f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	181 %!assert (datenum ([2008;2009],1,1), [datenum(2008,1,1);datenum(2009,1,1)])
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	182 %!assert (datenum (2008, [1;2], 1), [datenum(2008,1,1);datenum(2008,2,1)])
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	183 %!assert (datenum (2008, 1, [1;2]), [datenum(2008,1,1);datenum(2008,1,2)])
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	184 %!assert (datenum ([2008;2009], [1;2], 1), [datenum(2008,1,1);datenum(2009,2,1)])
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	185 %!assert (datenum ([2008;2009], 1, [1;2]), [datenum(2008,1,1);datenum(2009,1,2)])
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	186 %!assert (datenum (2008, [1;2], [1;2]), [datenum(2008,1,1);datenum(2008,2,2)])
7782 bfd8d804e6d3 datenum\: fixed combination of scalar and vector/matrix input bug bill@denney.ws parents: 7659 diff changeset	187 ## And the other orientation
14363 f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	188 %!assert (datenum ([2008 2009], 1, 1), [datenum(2008,1,1) datenum(2009,1,1)])
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	189 %!assert (datenum (2008, [1 2], 1), [datenum(2008,1,1) datenum(2008,2,1)])
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	190 %!assert (datenum (2008, 1, [1 2]), [datenum(2008,1,1) datenum(2008,1,2)])
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	191 %!assert (datenum ([2008 2009], [1 2], 1), [datenum(2008,1,1) datenum(2009,2,1)])
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	192 %!assert (datenum ([2008 2009], 1, [1 2]), [datenum(2008,1,1) datenum(2009,1,2)])
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	193 %!assert (datenum (2008, [1 2], [1 2]), [datenum(2008,1,1) datenum(2008,2,2)])
13848 40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	194 ## Test string and cellstr inputs
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	195 %!assert (datenum ("5/19/2001"), 730990)
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	196 %!assert (datenum ({"5/19/2001"}), 730990)
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	197 %!assert (datenum (char ("5/19/2001", "6/6/1944")), [730990; 710189])
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	198 %!assert (datenum ({"5/19/2001", "6/6/1944"}), [730990; 710189])
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	199
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	200 %% Test input validation
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	201 %!error datenum ()
40e32fe44aaa Ugrade time functions to accept millisecond format string FFF (Bug #34586) Rik <octave@nomad.inbox5.com> parents: 12973 diff changeset	202 %!error datenum (1,2,3,4,5,6,7)
14737 94a8366f9f89 datenum.m: Ensure all inputs are of class double (Bug #36587). Rik <octave@nomad.inbox5.com> parents: 14665 diff changeset	203 %!error <expected date vector containing> datenum ([1, 2])
94a8366f9f89 datenum.m: Ensure all inputs are of class double (Bug #36587). Rik <octave@nomad.inbox5.com> parents: 14665 diff changeset	204 %!error <expected date vector containing> datenum ([1,2,3,4,5,6,7])
94a8366f9f89 datenum.m: Ensure all inputs are of class double (Bug #36587). Rik <octave@nomad.inbox5.com> parents: 14665 diff changeset	205 %!error <all inputs must be of class double> datenum (int32 (2000), int32 (1), int32 (1))

Mercurial > hg > octave-lyh

annotate scripts/time/datenum.m @ 17176:19191d0ef0bf