Mercurial > octave
view scripts/miscellaneous/mustBeNumeric.m @ 33559:62fca924fe85 default tip @
doc: Update NEWS.10.md file.
* NEWS.10.md: Indent NEWS.10.md for clarity.
Add note about changes to colormap() functionality.
author | Rik <rik@octave.org> |
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date | Thu, 09 May 2024 18:23:33 -0700 |
parents | 2e484f9f1f18 |
children |
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######################################################################## ## ## Copyright (C) 2019-2024 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 {} {} mustBeNumeric (@var{x}) ## ## Require that input @var{x} is numeric. ## ## Raise an error if the input @var{x} is not numeric, as determined by ## @code{isnumeric (@var{x})}. ## ## @seealso{mustBeNumericOrLogical, isnumeric} ## @end deftypefn function mustBeNumeric (x) if (nargin < 1) print_usage (); endif if (! isnumeric (x)) label = inputname (1); if (isempty (label)) label = "input"; endif error ("%s must be numeric; found a %s", label, class (x)); endif endfunction %!test %! mustBeNumeric ([]); %! mustBeNumeric (42); %! mustBeNumeric (int32 (42)); %! mustBeNumeric (NaN); %!error <Invalid call> mustBeNumeric () %!error <found a char> mustBeNumeric ("foo") %!error <found a logical> mustBeNumeric (true) %!error <found a struct> mustBeNumeric (struct ()) %!error <found a cell> mustBeNumeric (cell ())