/usr/share/octave/packages/signal-1.3.0/wrev.m is in octave-signal 1.3.0-1.
This file is owned by root:root, with mode 0o644.
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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 | ## Copyright (C) 2008 Sylvain Pelissier <sylvain.pelissier@gmail.com>
##
## 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} {[@var{y}] =} wrev (@var{x})
## Reverse the order of the element of the vector @var{x}.
## @seealso{flipud, fliplr}
## @end deftypefn
function y = wrev(x)
if (nargin < 1|| nargin > 1); print_usage; endif
if(~isvector(x))
error('x must be a vector');
endif
l = length(x);
k = 0:l-1;
y = x(l-k);
endfunction
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