|
2847
|
1 ## Copyright (C) 1996, 1997 John W. Eaton |
|
2313
|
2 ## |
|
|
3 ## This file is part of Octave. |
|
|
4 ## |
|
|
5 ## Octave is free software; you can redistribute it and/or modify it |
|
|
6 ## under the terms of the GNU General Public License as published by |
|
|
7 ## the Free Software Foundation; either version 2, or (at your option) |
|
|
8 ## any later version. |
|
|
9 ## |
|
|
10 ## Octave is distributed in the hope that it will be useful, but |
|
|
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
|
|
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
|
13 ## General Public License for more details. |
|
|
14 ## |
|
|
15 ## You should have received a copy of the GNU General Public License |
|
|
16 ## along with Octave; see the file COPYING. If not, write to the Free |
|
|
17 ## Software Foundation, 59 Temple Place - Suite 330, Boston, MA |
|
|
18 ## 02111-1307, USA. |
|
245
|
19 |
|
3361
|
20 ## -*- texinfo -*- |
|
|
21 ## @deftypefn {Function File} {} int2str (@var{n}) |
|
4229
|
22 ## @deftypefnx {Function File} {} num2str (@var{x}, @var{precision}) |
|
|
23 ## @deftypefnx {Function File} {} num2str (@var{x}, @var{format}) |
|
3361
|
24 ## Convert a number to a string. These functions are not very flexible, |
|
|
25 ## but are provided for compatibility with @sc{Matlab}. For better control |
|
|
26 ## over the results, use @code{sprintf} (@pxref{Formatted Output}). |
|
|
27 ## @end deftypefn |
|
3408
|
28 ## @seealso{sprintf and num2str} |
|
4
|
29 |
|
2314
|
30 ## Author: jwe |
|
|
31 |
|
2311
|
32 function retval = int2str (x) |
|
4
|
33 |
|
|
34 if (nargin == 1) |
|
4229
|
35 x = round (x); |
|
4305
|
36 nc = columns (x); |
|
|
37 if (nc > 1) |
|
|
38 ifmt = get_fmt (x(:,1), 0); |
|
|
39 rfmt = get_fmt (x(:,2:end), 2); |
|
|
40 fmt = strcat (ifmt, repmat (rfmt, 1, nc-1), "\n") |
|
4303
|
41 else |
|
4305
|
42 fmt = strcat (get_fmt (x, 0), "\n"); |
|
4303
|
43 endif |
|
4229
|
44 tmp = sprintf (fmt, round (x.')); |
|
4305
|
45 tmp(end) = ""; |
|
4229
|
46 retval = split (tmp, "\n"); |
|
4
|
47 else |
|
904
|
48 usage ("int2str (x)"); |
|
4
|
49 endif |
|
|
50 |
|
|
51 endfunction |
|
4305
|
52 |
|
|
53 function fmt = get_fmt (x, sep) |
|
|
54 |
|
|
55 t = x(:); |
|
|
56 t = t(t != 0); |
|
|
57 if (isempty (t)) |
|
|
58 ## All zeros. |
|
|
59 fmt = sprintf ("%%%dd", 1 + sep); |
|
|
60 else |
|
|
61 ## Maybe have some zeros. |
|
|
62 nan_inf = isinf (t) | isnan (t); |
|
|
63 if (any (nan_inf)) |
|
|
64 if (any (t(nan_inf) < 0)) |
|
|
65 min_fw = 4 + sep; |
|
|
66 else |
|
|
67 min_fw = 3 + sep; |
|
|
68 endif |
|
|
69 else |
|
|
70 min_fw = 1 + sep; |
|
|
71 endif |
|
|
72 t = t(! nan_inf); |
|
|
73 if (isempty (t)) |
|
|
74 ## Only zeros, Inf, and NaN. |
|
|
75 fmt = sprintf ("%%%dd", min_fw); |
|
|
76 else |
|
|
77 ## Could have anything. |
|
|
78 tfw = floor (log10 (abs (t))) + 1 + sep; |
|
|
79 fw = max (tfw) |
|
|
80 if (any (t(tfw == fw) < 0)) |
|
|
81 fw++; |
|
|
82 endif |
|
|
83 fmt = sprintf ("%%%dd", max (fw, min_fw)); |
|
|
84 endif |
|
|
85 endif |
|
|
86 |
|
|
87 endfunction |
