Mercurial > hg > octave-nkf
annotate examples/code/globaldemo.cc @ 19827:e68267373191
chop.m: Calculate deflate as 1./inflate (bug #43734).
chop.m: Calculate deflate as 1./inflate (bug #43734).
| author | Rik <rik@octave.org> |
|---|---|
| date | Sat, 24 Jan 2015 22:27:12 -0800 |
| parents | c8240a60dd01 |
| children | 2f8500ca91d3 |
| 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 } |