/usr/share/octave/packages/image-2.2.2/imrotate_Fourier.m is in octave-image 2.2.2-1.
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 | ## Copyright (C) 2002 Jeff Orchard <jorchard@cs.uwaterloo.ca>
##
## 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} {} imrotate_Fourier (@var{M}, @var{theta}, @var{method}, @var{bbox})
## Rotation of a 2D matrix.
##
## @emph{This function has been deprecated and will be removed. Instead, use
## @code{imrotate} and select the @code{fourier} method. This function is
## actually just a wrapper to that function.}
##
## @seealso{imrotate}
## @end deftypefn
function fs = imrotate_Fourier (f, theta, method = "fourier", bbox = "loose")
persistent warned = false;
if (! warned)
warned = true;
warning ("Octave:deprecated-function",
"`imrotate_Fourier' has been deprecated in favor of `imrotate (M, theta, \"fourier\")'. This function will be removed from future versions of the `image' package");
endif
fs = imrotate (f, theta, "fourier", bbox)
endfunction
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