Mercurial > octave
view scripts/strings/hex2dec.m @ 3426:f8dde1807dee
[project @ 2000-01-13 08:40:00 by jwe]
author | jwe |
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date | Thu, 13 Jan 2000 08:40:53 +0000 |
parents | 4f40efa995c1 |
children | 2a257be5e488 |
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## Copyright (C) 1996 Kurt Hornik ## ## 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 2, 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, write to the Free ## Software Foundation, 59 Temple Place - Suite 330, Boston, MA ## 02111-1307, USA. ## -*- texinfo -*- ## @deftypefn {Function File} {} hex2dec (@var{s}) ## Return the decimal number corresponding to the hexadecimal number stored ## in the string @var{s}. For example, ## ## @example ## hex2dec ("12B") ## @result{} 299 ## hex2dec ("12b") ## @result{} 299 ## @end example ## @end deftypefn ## Author: Kurt Hornik <Kurt.Hornik@ci.tuwien.ac.at> ## Adapted-By: jwe function d = hex2dec (h) if (nargin != 1) usage ("hex2dec (x)"); endif if (isstr (h)) nr = rows (h); d = zeros (nr, 1); for i = 1:nr s = h (i, :); if (isxdigit (s)) tmp = sscanf (s, "%x"); if (isempty (tmp)) error ("hex2dec: invalid conversion"); else d (i) = tmp; endif else error ("hex2dec: argument must be a string of hexadecimal digits"); endif endfor else error ("hex2dec: expecting a string argument"); endif endfunction