Mercurial > octave-nkf
view examples/globaldemo.cc @ 15875:c18692212b90
configure.ac: Simplify test for math library.
configure.ac: AC_CHECK_LIB test for math lib no longer requires
explicitly including libc as it did on 1/20/1999 when this
part of configure.ac was written.
author | Rik <rik@octave.org> |
---|---|
date | Wed, 02 Jan 2013 17:15:57 -0800 |
parents | 4295d634797d |
children | be41c30bcb44 |
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#include <octave/oct.h> DEFUN_DLD (globaldemo, args, , "Global demo.") { int nargin = args.length (); octave_value retval; 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; }