Mercurial > octave
view scripts/optimization/optimget.m @ 31189:820d2c802247 stable
fortran_vec: Fix instances of method chaining that may cause dangling pointer.
* libinterp/corefcn/quandcc.cc (Fquadcc): Replace method chaining with a
separate line for NDArray object to avoid going out of scope.
* libinterp/corefcn/__ilu__.cc (F__iluc__): Obtain RowVector and ColumnVector
objects in separate line to remain in scope.
* libinterp/corefcn/__ichol__.cc (F__icholt__): Obtain RowVector object in
separate line to remain in scope.
For more details: https://octave.discourse.group/t/3132
author | Maged Rifaat <magedrifaat@gmail.com> |
---|---|
date | Mon, 15 Aug 2022 00:22:55 +0200 |
parents | 796f54d4ddbf |
children | 5d3faba0342e |
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######################################################################## ## ## Copyright (C) 2008-2022 The Octave Project Developers ## ## See the file COPYRIGHT.md in the top-level directory of this ## distribution or <https://octave.org/copyright/>. ## ## This file is part of Octave. ## ## Octave 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. ## ## Octave 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 Octave; see the file COPYING. If not, see ## <https://www.gnu.org/licenses/>. ## ######################################################################## ## -*- texinfo -*- ## @deftypefn {} {} optimget (@var{options}, @var{parname}) ## @deftypefnx {} {} optimget (@var{options}, @var{parname}, @var{default}) ## Return the specific option @var{parname} from the optimization options ## structure @var{options} created by @code{optimset}. ## ## If @var{parname} is not defined then return @var{default} if supplied, ## otherwise return an empty matrix. ## @seealso{optimset} ## @end deftypefn function retval = optimget (options, parname, default) if (nargin < 2 || ! isstruct (options) || ! ischar (parname)) print_usage (); endif ## Expand partial-length names into full names opts = __all_opts__ (); idx = strncmpi (opts, parname, length (parname)); nmatch = sum (idx); if (nmatch == 1) parname = opts{idx}; elseif (nmatch == 0) warning ("optimget: unrecognized option: %s", parname); else fmt = sprintf ("optimget: ambiguous option: %%s (%s%%s)", repmat ("%s, ", 1, nmatch-1)); warning (fmt, parname, opts{idx}); endif if (isfield (options, parname) && ! isempty (options.(parname))) retval = options.(parname); elseif (nargin > 2) retval = default; else retval = []; endif endfunction %!shared opts %! opts = optimset ("tolx", 0.1, "maxit", 100); %!assert (optimget (opts, "TolX"), 0.1) %!assert (optimget (opts, "maxit"), 100) %!assert (optimget (opts, "MaxITer"), 100) %!assert (optimget (opts, "TolFun"), []) %!assert (optimget (opts, "TolFun", 1e-3), 1e-3) ## Test input validation %!error <Invalid call> optimget () %!error <Invalid call> optimget (1) %!error optimget (1, "name") %!error optimget (struct (), 2) %!warning <unrecognized option: foobar> (optimget (opts, "foobar")); %!warning <ambiguous option: Max> (optimget (opts, "Max"));