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annotate scripts/time/calendar.m @ 20830:b65888ec820e draft default tip gccjit

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dmalcom gcc jit import
author Stefan Mahr <dac922@gmx.de>
date Fri, 27 Feb 2015 16:59:36 +0100
parents 2645f9ef8c88
children
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4197fc428c7d maint: Update copyright notices for 2015.
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1 ## Copyright (C) 2004-2015 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} {@var{c} =} calendar ()
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21 ## @deftypefnx {Function File} {@var{c} =} calendar (@var{d})
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22 ## @deftypefnx {Function File} {@var{c} =} calendar (@var{y}, @var{m})
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23 ## @deftypefnx {Function File} {} calendar (@dots{})
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24 ## Return the current monthly calendar in a 6x7 matrix.
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25 ##
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26 ## If @var{d} is specified, return the calendar for the month containing the
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27 ## date @var{d}, which must be a serial date number or a date string.
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28 ##
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29 ## If @var{y} and @var{m} are specified, return the calendar for year @var{y}
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30 ## and month @var{m}.
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31 ##
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32 ## If no output arguments are specified, print the calendar on the screen
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33 ## instead of returning a matrix.
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34 ## @seealso{datenum, datestr}
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35 ## @end deftypefn
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36
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37 ## Author: pkienzle <pkienzle@users.sf.net>
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38 ## Created: 25 July 2004
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39 ## Adapted-By: William Poetra Yoga Hadisoeseno <williampoetra@gmail.com>
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40
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41 function varargout = calendar (varargin)
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42
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43 switch (nargin)
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44 case 0
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45 v = clock ();
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46 y = v(1);
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47 m = v(2);
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48 d = v(3);
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49 case 1
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50 v = datevec (varargin{1});
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51 y = v(1);
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52 m = v(2);
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53 d = v(3);
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54 case 2
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55 y = varargin{1};
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56 m = varargin{2};
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57 d = [];
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58 otherwise
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59 print_usage ();
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60 endswitch
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61
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62 c = zeros (7, 6);
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63 dayone = datenum (y, m, 1);
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64 ndays = eomday (y, m);
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65 c(weekday (dayone) - 1 + [1:ndays]) = 1:ndays;
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66
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67 if (nargout > 0)
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68 varargout{1} = c';
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69 else
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70 ## Layout the calendar days, 6 columns per day, 7 days per row.
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71 str = sprintf (" %2d %2d %2d %2d %2d %2d %2d\n", c);
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72
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73 ## Print an asterisk before the specified date
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74 if (! isempty (d))
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75 pos = weekday (dayone) + d - 1;
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76 idx = 6*pos + fix (pos / 7.1) - ifelse (d < 10, 1, 2);
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77 str(idx) = "*";
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78 endif
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79
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80 ## Display the calendar.
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81 s.year = y - 1900;
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82 s.mon = m - 1;
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83 puts (strftime (" %b %Y\n", s));
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84 puts (" S M Tu W Th F S\n");
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85 puts (str);
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86 endif
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87
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88 endfunction
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89
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90
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91 %!demo
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92 %! ## Calendar for current month
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93 %! calendar ()
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94
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95 %!demo
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96 %! ## Calendar for October, 1957
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97 %! calendar (1957, 10)
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98
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99 %!assert ((calendar(2000,2))'(2:31), [0:29])
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100 %!assert ((calendar(1957,10))'(2:33), [0:31])
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101
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102 ## Test input validation
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103 %!error calendar (1,2,3)
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104