Mercurial > octave-nkf
view examples/code/globaldemo.cc @ 19940:52d2bbf49c92 rc-4-0-0-1
maint: Bump version number for 4.0.0-rc1.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Thu, 05 Mar 2015 10:12:26 -0500 |
parents | c8240a60dd01 |
children | 2f8500ca91d3 |
line wrap: on
line source
#include <octave/oct.h> DEFUN_DLD (globaldemo, args, , "Global Demo") { octave_value retval; int nargin = args.length (); if (nargin != 1) print_usage (); else { std::string s = args(0).string_value (); if (! error_state) { octave_value tmp = get_global_value (s, true); if (tmp.is_defined ()) retval = tmp; else retval = "Global variable not found"; set_global_value ("a", 42.0); } } return retval; }