/usr/share/octave/packages/parallel-2.2.0/private/parcellfun_opts.m is in octave-parallel 2.2.0-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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##
## 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} {} parcellfun_opts (args)
## Undocumented internal function.
## @end deftypefn
function [nargs, uniform_output, error_handler, ...
verbose_level, chunks_per_proc, vectorized] = parcellfun_opts (args)
uniform_output = true;
error_handler = [];
verbose_level = 1; # default to normal output level
chunks_per_proc = 0; # 0 means than size of chunk is 1
vectorized = false;
nargs = length (args);
## parse options
while (nargs > 1)
opt = args{nargs-1};
if (! ischar (opt))
break;
else
opt = tolower (opt);
val = args{nargs};
endif
switch (opt)
case "uniformoutput"
uniform_output = logical (val);
if (! isscalar (uniform_output))
error ("parcellfun: UniformOutput must be a logical scalar");
endif
case "errorhandler"
error_handler = val;
if (! isa (error_handler, "function_handle"))
error ("parcellfun: ErrorHandler must be a function handle");
endif
case "verboselevel"
verbose_level = val;
if (! isscalar (verbose_level))
error ("parcellfun: VerboseLevel must be a numeric scalar");
endif
case "chunksperproc"
chunks_per_proc = round (val);
if (! isscalar (chunks_per_proc) || chunks_per_proc <= 0)
error ("parcellfun: ChunksPerProc must be a positive scalar");
endif
case "vectorized"
vectorized = logical (val);
if (! isscalar (vectorized))
error ("parcellfun: Vectorized must be a logical scalar");
endif
otherwise
break;
endswitch
nargs -= 2;
endwhile
if (vectorized && chunks_per_proc <= 0)
error ("parcellfun: the ""Vectorized"" option requires also ""ChunksPerProc""");
endif
endfunction
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