/usr/share/octave/packages/optim-1.5.2/private/__optimget_parallel_net__.m is in octave-optim 1.5.2-1.
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 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 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | ## Copyright (C) 2016 Olaf Till <i7tiol@t-online.de>
##
## 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/>.
## undocumented internal function
function parallel_net = __optimget_parallel_net__ (settings, default)
min_version = "3.0.4";
parallel_net = optimget (settings, "parallel_net", default);
if (isempty (parallel_net))
return;
endif
if (! isa (parallel_net, "pconnections"))
error ("option 'parallel_net', if not empty, must be set to parallel connections object");
endif
## Check version of parallel package.
if (! exist ("__parallel_package_version__", "file") || ...
compare_versions (__parallel_package_version__ (),
min_version, "<"))
parallel_net = [];
warning ("optim:parallel_net",
"option 'parallel_net' ignored, since no loaded parallel package of at least version %s found",
min_version);
elseif (! exist ("netarrayfun", "file"))
parallel_net = [];
warning ("optim:parallel_net",
"option 'parallel_net' ignored, since function netarrayfun not in path; maybe its installation has benn disabled at your system");
else
## Check if anonymous functions with 'varargin' are saved
## correctly, bug #45972. The delay caused by writing and reading
## a file should be avoided later, replacing this test with a
## version check. But as yet there is no Octave version which has
## the patch applied.
tp_filename = "test.dat";
f = @ (x, y, varargin) x + y + varargin{1};
unwind_protect
save ("-binary", tp_filename, "f");
tp = load (tp_filename);
try
assert (f (1, 2, 3), tp.f (1, 2, 3));
ok = true;
catch
ok = false;
end_try_catch
if (! ok)
parallel_net = [];
warning ("optim:parallel_net",
"option 'parallel_net' ignored, since in this version of Octave bug #45972 or a similar bug is not fixed");
endif
unwind_protect_cleanup
unlink (tp_filename);
end_unwind_protect
endif
endfunction
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