Mercurial > octave-nkf
annotate examples/globaldemo.cc @ 18526:dd669c2ae76c stable rc-3-8-1-4
3.8.1 release candidate 4
* configure.ac (OCTAVE_VERSION): Bump to 3.8.1-rc4.
(OCTAVE_MINOR_VERSION): Bump to 1-rc4.
(OCTAVE_RELEASE_DATE): Set to 2014-02-26.
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Thu, 27 Feb 2014 11:02:23 -0500 |
| parents | be41c30bcb44 |
| children |
| rev | line source |
|---|---|
| 6572 | 1 #include <octave/oct.h> |
| 2 | |
|
16867
be41c30bcb44
Re-write documentation and all examples of dynamically linked functions.
Rik <rik@octave.org>
parents:
9053
diff
changeset
|
3 DEFUN_DLD (globaldemo, args, , "Global Demo") |
| 6572 | 4 { |
|
16867
be41c30bcb44
Re-write documentation and all examples of dynamically linked functions.
Rik <rik@octave.org>
parents:
9053
diff
changeset
|
5 octave_value retval; |
| 6572 | 6 int nargin = args.length (); |
| 7 | |
| 8 if (nargin != 1) | |
| 9 print_usage (); | |
| 10 else | |
| 11 { | |
| 12 std::string s = args(0).string_value (); | |
| 13 if (! error_state) | |
| 14 { | |
| 15 octave_value tmp = get_global_value (s, true); | |
| 16 if (tmp.is_defined ()) | |
| 17 retval = tmp; | |
| 18 else | |
| 19 retval = "Global variable not found"; | |
| 20 | |
| 21 set_global_value ("a", 42.0); | |
| 22 } | |
| 23 } | |
| 24 return retval; | |
| 25 } |