Mercurial > octave
view scripts/miscellaneous/narginchk.m @ 31248:8b75954a4670
delaunayn: adjust node ordering for positive outward normal vectors (bug #53397)
* delaunayn.m: Check sign of simplex volume, flip node order for negative
volumes to ensure positive (outward-pointing) normal vectors. Add BISTs to
check for positive volumes.
* etc/News.8.md: Append function improvement note to delaunayn change
paragraph under General Improvements.
author | Nicholas R. Jankowski <jankowski.nicholas@gmail.com> |
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date | Thu, 29 Sep 2022 23:09:05 -0400 |
parents | 796f54d4ddbf |
children | 597f3ee61a48 |
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######################################################################## ## ## Copyright (C) 2012-2022 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 {} {} narginchk (@var{minargs}, @var{maxargs}) ## Check for correct number of input arguments. ## ## Generate an error message if the number of arguments in the calling function ## is outside the range @var{minargs} and @var{maxargs}. Otherwise, do ## nothing. ## ## Both @var{minargs} and @var{maxargs} must be scalar numeric values. Zero, ## Inf, and negative values are all allowed, and @var{minargs} and ## @var{maxargs} may be equal. ## ## Note that this function evaluates @code{nargin} on the caller. ## ## @seealso{nargoutchk, error, nargout, nargin} ## @end deftypefn function narginchk (minargs, maxargs) if (nargin != 2) print_usage (); elseif (! isnumeric (minargs) || ! isscalar (minargs)) error ("narginchk: MINARGS must be a numeric scalar"); elseif (! isnumeric (maxargs) || ! isscalar (maxargs)) error ("narginchk: MAXARGS must be a numeric scalar"); elseif (minargs > maxargs) error ("narginchk: MINARGS cannot be larger than MAXARGS"); endif args = evalin ("caller", "nargin;"); if (args < minargs) error ("narginchk: not enough input arguments"); elseif (args > maxargs) error ("narginchk: too many input arguments"); endif endfunction %!function f (nargs, varargin) %! narginchk (nargs(1), nargs(2)); %!endfunction %!error <too many input arguments> f([0,0]) %!error <not enough input arguments> f([3, 3], 1) %!test %! f([1,1]); %!test %! f([1,5], 2, 3, 4, 5);