Mercurial > octave
view scripts/polynomial/polyreduce.m @ 31210:9ad55d2e1bbf stable
Make sure we don't pass short 8.3 path to latex on Windows (bug #62779).
* latex-text-renderer.cc (latex_renderer::write_tex_file): On Windows, use
canonicalized path of temporary directory.
author | Pantxo Diribarne <pantxo.diribarne@gmail.com> |
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date | Sun, 28 Aug 2022 22:44:49 +0200 |
parents | 796f54d4ddbf |
children | 5d3faba0342e |
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######################################################################## ## ## Copyright (C) 1994-2022 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 {} {} polyreduce (@var{c}) ## Reduce a polynomial coefficient vector to a minimum number of terms by ## stripping off any leading zeros. ## @seealso{polyout} ## @end deftypefn function p = polyreduce (c) if (nargin < 1) print_usage (); elseif (! isvector (c) || isempty (c)) error ("polyreduce: C must be a non-empty vector"); endif idx = find (c != 0, 1); if (isempty (idx)) p = 0; else p = c(idx:end); endif endfunction %!assert (polyreduce ([0, 0, 1, 2, 3]), [1, 2, 3]) %!assert (polyreduce ([1, 2, 3, 0, 0]), [1, 2, 3, 0, 0]) %!assert (polyreduce ([1, 0, 3]), [1, 0, 3]) %!assert (polyreduce ([0, 0, 0]), 0) %!error <Invalid call> polyreduce () %!error <C must be a non-empty vector> polyreduce ([1, 2; 3, 4]) %!error <C must be a non-empty vector> polyreduce ([])