Mercurial > octave
view scripts/legacy/__vectorize__.m @ 33582:de14d508b8f9 default tip @
maint: Merge stable to default.
author | Markus Mützel <markus.muetzel@gmx.de> |
---|---|
date | Mon, 13 May 2024 18:40:08 +0200 |
parents | 2e484f9f1f18 |
children |
line wrap: on
line source
######################################################################## ## ## Copyright (C) 2020-2024 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 {} {@var{new_expr} =} __vectorize__ (@var{expr}) ## Undocumented internal function. ## @end deftypefn ## The following function was translated directly from the original C++ ## version. Yes, it will be slow, but its use is strongly discouraged ## anyway, and most expressions will probably be short. It may also be ## buggy. Well, don't use this function! function new_expr = __vectorize__ (expr) new_expr = ""; len = length (expr); i = 1; while (i <= len) c = expr(i); if (c == "*" || c == "/" || c == "\\" || c == "^") if (i > 1 && expr(i-1) != ".") new_expr(end+1) = "."; endif ## Special case for ** operator. if (c == '*' && i < (len - 1) && expr(i+1) == '*') new_expr(end+1) = "*"; i++; endif endif new_expr(end+1) = c; i++; endwhile endfunction