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annotate scripts/time/now.m @ 16048:10142aad4b9f classdef

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Implement indirect method call: fun(obj, ...). * libinterp/octave-value/ov-classdef.h (class cdef_manager): New class. (cdef_method::cdef_method_rep::meta_subsref, cdef_method::cdef_method_rep::meta_is_postfix_index_handled): New methods. * libinterp/octave-value/ov-classdef.cc (all_packages, all_classes): Move static variables to class cdef_manager. (lookup_class (std::string, bool, bool)): Move implementation to method cdef_manager::do_find_class(). (lookup_package): Move implementation to method cdef_manager::do_find_package(). (make_class): Use cdef_manager::register_class. (make_package): Use cdef_manager::register_package and cdef_manager::find_package. (cdef_class::cdef_class_rep::meta_release): Use cdef_manager::unregister_class. (cdef_method::cdef_method_rep::meta_subsref): New method. (class cdef_manager): New class. * libinterp/interpfcn/symtab.cc (symbol_table::fcn_info::fcn_info_rep::load_class_constructor): Look for classdef constructor in normal m-files. Call find_user_function() and check whether the result is a classdef constructor. If it is, stash it as a constructor and restore the previous value of function_on_path. (symbol_table::fcn_info::fcn_info_rep::load_class_method): Look for method in classdef system, using cdef_manager::find_method_symbol().
author Michael Goffioul <michael.goffioul@gmail.com>
date Mon, 11 Feb 2013 15:20:00 -0500
parents 5d3a684236b0
children d63878346099
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1 ## Copyright (C) 2000-2012 Paul Kienzle
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {t =} now ()
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21 ## Return the current local date/time as a serial day number
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22 ## (see @code{datenum}).
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23 ##
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24 ## The integral part, @code{floor (now)} corresponds to the number of days
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25 ## between today and Jan 1, 0000.
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26 ##
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27 ## The fractional part, @code{rem (now, 1)} corresponds to the current
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28 ## time.
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29 ## @seealso{clock, date, datenum}
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30 ## @end deftypefn
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31
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32 ## Author: pkienzle <pkienzle@users.sf.net>
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33 ## Created: 10 October 2001 (CVS)
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34 ## Adapted-By: William Poetra Yoga Hadisoeseno <williampoetra@gmail.com>
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35
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36 function t = now ()
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37
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38 if (nargin != 0)
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39 print_usage ();
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40 endif
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41
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42 t = datenum (clock ());
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43
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44 ## The following doesn't work (e.g., one hour off on 2005-10-04):
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45 ##
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46 ## seconds since 1970-1-1 corrected by seconds from GMT to local time
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47 ## divided by 86400 sec/day plus day num for 1970-1-1
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48 ## t = (time - mktime(gmtime(0)))/86400 + 719529;
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49 ##
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50 ## mktime (gmtime (0)) does indeed return the offset from Greenwich to the
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51 ## local time zone, but we need to account for daylight savings time
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52 ## changing by an hour the offset from CUT for part of the year.
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53
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54 endfunction
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57 %!assert (isnumeric (now ()))
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58 %!assert (now () > 0)
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59 %!assert (now () <= now ())
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61 %!error now (1)
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62