/usr/share/octave/packages/financial-0.4.0/isbusday.m is in octave-financial 0.4.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 | ## Copyright (C) 2008 Bill Denney <bill@denney.ws>
##
## This program 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.
##
## This program 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
## this program; if not, see <http://www.gnu.org/licenses/>.
## -*- texinfo -*-
## @deftypefn {Function File} {r =} isbusday (refdate)
## @deftypefnx {Function File} {r =} isbusday (refdate, holiday)
## @deftypefnx {Function File} {r =} isbusday (refdate, holiday, weekend)
##
## Return true if the @var{refdate} is a business date @var{refdate}.
## @var{holiday} is a vector of datenums that defines the holidays
## observed (the holidays function is used if not given). @var{weekend}
## defines the days of the week that should be considered weekends;
## [1 0 0 0 0 0 1] (default) indicates that Sunday and Saturday are
## weekends.
##
## @seealso{holidays, lbusdate, busdate, fbusdate}
## @end deftypefn
function mask = isbusday (rd, hol=[], wkend=[])
if ~ isnumeric (rd)
rd = datenum (rd);
endif
if isempty (hol)
## Get all possible holidays that could affect the output.
hol = holidays (min(rd), max(rd));
end
if isempty (wkend)
wkend = [1 0 0 0 0 0 1];
elseif numel (wkend) ~= 7
error ("wkend must have 7 elements")
elseif nargin > 3
print_usage ();
endif
mask = reshape (wkend (weekday (rd)), size (rd));
if ~ isempty (hol)
## Is it a holiday?
mask = mask | ismember(rd, hol);
endif
mask = ~mask;
endfunction
## Tests
## A normal day
%!assert(isbusday(datenum(2008,1,2)), true())
## A holiday
%!assert(isbusday(datenum(2008,1,1)), false())
%!assert(isbusday(datenum(2008,1,1), []), false())
## A weekend
%!assert(isbusday(datenum(2008,2,2)), false())
## An alternate holiday
%!assert(isbusday(datenum(2008,1,2), datenum(2008,1,2)), false())
## An alternate weekend
%!assert(isbusday(datenum(2008,1,2), [], zeros(1,7)), true())
%!assert(isbusday(datenum(2008,1,2), [], ones(1,7)), false())
## A vector
%!assert(isbusday([datenum(2008,1,2) datenum(2008,2,2)]), [true() false()])
## A vector in the other direction
%!assert(isbusday([datenum(2008,1,2);datenum(2008,2,2)]), [true();false()])
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