|
2313
|
1 ## Copyright (C) 1996 Kurt Hornik |
|
|
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. |
|
2268
|
19 |
|
2311
|
20 ## usage: dec2hex (d) |
|
|
21 ## |
|
|
22 ## Returns the hex number corresponding to the decimal number d. For |
|
|
23 ## example, dec2hex (2748) returns "abc". |
|
|
24 |
|
2314
|
25 ## Author: jwe |
|
|
26 |
|
2268
|
27 function h = dec2hex (d) |
|
|
28 |
|
2311
|
29 ## Original version by Kurt Hornik <Kurt.Hornik@ci.tuwien.ac.at>. |
|
2268
|
30 |
|
|
31 if (nargin != 1) |
|
|
32 usage ("dec2hex (d)"); |
|
|
33 endif |
|
|
34 |
|
|
35 [nr, nc] = size (d); |
|
|
36 |
|
|
37 len = nr * nc; |
|
|
38 |
|
|
39 d = reshape (d, 1, len); |
|
|
40 |
|
|
41 eleo = empty_list_elements_ok; |
|
|
42 unwind_protect |
|
|
43 empty_list_elements_ok = 1; |
|
|
44 h = ""; |
|
|
45 for i = 1:len |
|
|
46 tmp = d (i); |
|
|
47 if (tmp == round (tmp)) |
|
|
48 h = [h, sprintf ("%x", tmp)]; |
|
|
49 else |
|
|
50 error ("dec2hex: invalid conversion"); |
|
|
51 endif |
|
|
52 endfor |
|
|
53 unwind_protect_cleanup |
|
|
54 empty_list_elements_ok = eleo; |
|
|
55 end_unwind_protect |
|
|
56 |
|
|
57 endfunction |
