Mercurial > octave-nkf
view examples/code/stringdemo.cc @ 20614:10ec79b47808
use new string_value method to handle value extraction errors
* __voronoi__.cc, chol.cc, colamd.cc, fftw.cc:
Use new string_value method.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Thu, 08 Oct 2015 18:15:56 -0400 |
parents | 2f8500ca91d3 |
children |
line wrap: on
line source
#include <octave/oct.h> DEFUN_DLD (stringdemo, args, , "String Demo") { octave_value_list retval; if (args.length () != 1) print_usage (); charMatrix ch = args(0).char_matrix_value (); retval(1) = octave_value (ch, '\''); // Single Quote String octave_idx_type nr = ch.rows (); for (octave_idx_type i = 0; i < nr / 2; i++) { std::string tmp = ch.row_as_string (i); ch.insert (ch.row_as_string (nr-i-1).c_str (), i, 0); ch.insert (tmp.c_str (), nr-i-1, 0); } retval(0) = octave_value (ch, '"'); // Double Quote String return retval; }