Mercurial > octave
view scripts/general/int2str.m @ 4303:e15a96673976
[project @ 2003-01-23 03:03:08 by jwe]
author | jwe |
---|---|
date | Thu, 23 Jan 2003 03:03:08 +0000 |
parents | 40153a2affd6 |
children | 98e65d1728a1 |
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## Copyright (C) 1996, 1997 John W. Eaton ## ## 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} {} int2str (@var{n}) ## @deftypefnx {Function File} {} num2str (@var{x}, @var{precision}) ## @deftypefnx {Function File} {} num2str (@var{x}, @var{format}) ## Convert a number to a string. These functions are not very flexible, ## but are provided for compatibility with @sc{Matlab}. For better control ## over the results, use @code{sprintf} (@pxref{Formatted Output}). ## @end deftypefn ## @seealso{sprintf and num2str} ## Author: jwe function retval = int2str (x) ## XXX FIXME XXX -- this will fail for very large values. if (nargin == 1) x = round (x); t = abs (x(:)); t = t(t != 0); if (isempty (t)) ## All zeros. fmt = "%3d"; else ## Maybe have some zeros. nan_inf = isinf (t) | isnan (t); if (any (nan_inf)) min_fw = 5; else min_fw = 3; endif t = t(! nan_inf); if (isempty (t)) ## Only zeros, Inf, and NaN. fmt = "%5d"; else ## Could have anything. fw = max (floor (max (log10 (t) + 3)), min_fw); fmt = sprintf ("%%%dd", fw); endif endif fmt = strcat (repmat (fmt, 1, columns (x)), "\n"); tmp = sprintf (fmt, round (x.')); tmp(length (tmp)) = ""; retval = split (tmp, "\n"); else usage ("int2str (x)"); endif endfunction