Mercurial > hg > octave-nkf
annotate scripts/general/int2str.m @ 9576:d73c9bd101ef
fix int2str
| author | Jaroslav Hajek <highegg@gmail.com> |
|---|---|
| date | Thu, 27 Aug 2009 07:54:44 +0200 |
| parents | eb63fbe60fab |
| children | 95c3e38098bf |
| rev | line source |
|---|---|
| 7017 | 1 ## Copyright (C) 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2002, 2003, |
| 8920 | 2 ## 2004, 2005, 2006, 2007, 2008, 2009 John W. Eaton |
| 2313 | 3 ## |
| 4 ## This file is part of Octave. | |
| 5 ## | |
| 6 ## Octave is free software; you can redistribute it and/or modify it | |
| 7 ## under the terms of the GNU General Public License as published by | |
| 7016 | 8 ## the Free Software Foundation; either version 3 of the License, or (at |
| 9 ## your option) any later version. | |
| 2313 | 10 ## |
| 11 ## Octave is distributed in the hope that it will be useful, but | |
| 12 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 ## General Public License for more details. | |
| 15 ## | |
| 16 ## You should have received a copy of the GNU General Public License | |
| 7016 | 17 ## along with Octave; see the file COPYING. If not, see |
| 18 ## <http://www.gnu.org/licenses/>. | |
| 245 | 19 |
| 3361 | 20 ## -*- texinfo -*- |
| 21 ## @deftypefn {Function File} {} int2str (@var{n}) | |
|
8442
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
22 ## Convert an integer (or array of integers) to a string (or a character |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
23 ## array). |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
24 ## |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
25 ## @example |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
26 ## @group |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
27 ## |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
28 ## int2str (123) |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
29 ## @result{} "123" |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
30 ## |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
31 ## s = int2str ([1, 2, 3; 4, 5, 6]) |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
32 ## @result{} s = |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
33 ## 1 2 3 |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
34 ## 4 5 6 |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
35 ## |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
36 ## whos s |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
37 ## @result{} s = |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
38 ## Attr Name Size Bytes Class |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
39 ## ==== ==== ==== ===== ===== |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
40 ## s 2x7 14 char |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
41 ## @end group |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
42 ## @end example |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
43 ## |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
44 ## This function is not very flexible. For better control over the |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
45 ## results, use @code{sprintf} (@pxref{Formatted Output}). |
|
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
46 ## @seealso{sprintf, num2str, mat2str} |
| 3361 | 47 ## @end deftypefn |
| 4 | 48 |
| 2314 | 49 ## Author: jwe |
| 50 | |
| 2311 | 51 function retval = int2str (x) |
| 4 | 52 |
| 53 if (nargin == 1) | |
| 4878 | 54 x = round (real(x)); |
| 55 sz = size(x); | |
| 56 nd = ndims (x); | |
| 4305 | 57 nc = columns (x); |
| 58 if (nc > 1) | |
| 4878 | 59 idx = cell (); |
| 60 for i = 1:nd | |
| 7208 | 61 idx{i} = 1:sz(i); |
| 4878 | 62 endfor |
| 63 idx(2) = 1; | |
| 64 ifmt = get_fmt (x(idx{:}), 0); | |
| 65 idx(2) = 2:sz(2); | |
| 66 rfmt = get_fmt (x(idx{:}), 2); | |
|
8442
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
67 fmt = cstrcat (ifmt, repmat (rfmt, 1, nc-1), "\n"); |
| 4303 | 68 else |
|
7540
3422f39573b1
strcat.m: Matlab compatibility, with cstrcat.m replacing conventional strcat.m.
Ben Abbott <bpabbott@mac.com>
parents:
7411
diff
changeset
|
69 fmt = cstrcat (get_fmt (x, 0), "\n"); |
| 4303 | 70 endif |
| 4878 | 71 tmp = sprintf (fmt, permute (x, [2, 1, 3 : nd])); |
| 4305 | 72 tmp(end) = ""; |
|
8877
2c8b2399247b
implement strsplit; deprecate split
Jaroslav Hajek <highegg@gmail.com>
parents:
8442
diff
changeset
|
73 retval = char (strsplit (tmp, "\n")); |
| 4 | 74 else |
| 6046 | 75 print_usage (); |
| 4 | 76 endif |
| 77 | |
| 78 endfunction | |
| 4305 | 79 |
| 80 function fmt = get_fmt (x, sep) | |
| 81 | |
| 82 t = x(:); | |
| 83 t = t(t != 0); | |
| 84 if (isempty (t)) | |
| 85 ## All zeros. | |
| 86 fmt = sprintf ("%%%dd", 1 + sep); | |
| 87 else | |
| 88 ## Maybe have some zeros. | |
| 89 nan_inf = isinf (t) | isnan (t); | |
| 90 if (any (nan_inf)) | |
| 91 if (any (t(nan_inf) < 0)) | |
| 92 min_fw = 4 + sep; | |
| 93 else | |
| 94 min_fw = 3 + sep; | |
| 95 endif | |
| 96 else | |
| 97 min_fw = 1 + sep; | |
| 98 endif | |
| 99 t = t(! nan_inf); | |
| 100 if (isempty (t)) | |
| 101 ## Only zeros, Inf, and NaN. | |
| 102 fmt = sprintf ("%%%dd", min_fw); | |
| 103 else | |
| 104 ## Could have anything. | |
| 9576 | 105 tfw = floor (log10 (double (abs (t)))) + 1 + sep; |
| 4309 | 106 fw = max (tfw); |
| 4305 | 107 if (any (t(tfw == fw) < 0)) |
| 108 fw++; | |
| 109 endif | |
| 110 fmt = sprintf ("%%%dd", max (fw, min_fw)); | |
| 111 endif | |
| 112 endif | |
| 113 | |
| 5642 | 114 endfunction |
| 7411 | 115 |
| 116 %!assert(strcmp (int2str (-123), "-123") && strcmp (int2str (1.2), "1")); | |
|
8442
502e58a0d44f
Fix docstrings, add examples, references and tests to string functions
Thorsten Meyer <thorsten.meyier@gmx.de>
parents:
7540
diff
changeset
|
117 %!assert (all (int2str ([1, 2, 3; 4, 5, 6]) == ["1 2 3";"4 5 6"])); |
| 7411 | 118 %!error int2str (); |
| 119 %!error int2str (1, 2); | |
| 120 |