Mercurial > octave-nkf
view examples/code/paramdemo.cc @ 20616:fd0efcdb3718
use new string_value method to handle value extraction errors
* dirfns.cc, file-io.cc, gammainc.cc, help.cc, load-path.cc,
octave-link.cc, qz.cc, regexp.cc, strfns.cc, syscalls.cc, time.cc,
variables.cc: Use new string_value method.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Thu, 08 Oct 2015 19:00:51 -0400 |
parents | 2f8500ca91d3 |
children |
line wrap: on
line source
#include <octave/oct.h> DEFUN_DLD (paramdemo, args, nargout, "Parameter Check Demo") { if (args.length () != 1) print_usage (); if (nargout != 0) error ("paramdemo: OUTPUT argument required"); NDArray m = args(0).array_value (); double min_val = -10.0; double max_val = 10.0; octave_stdout << "Properties of input array:\n"; if (m.any_element_is_negative ()) octave_stdout << " includes negative values\n"; if (m.any_element_is_inf_or_nan ()) octave_stdout << " includes Inf or NaN values\n"; if (m.any_element_not_one_or_zero ()) octave_stdout << " includes other values than 1 and 0\n"; if (m.all_elements_are_int_or_inf_or_nan ()) octave_stdout << " includes only int, Inf or NaN values\n"; if (m.all_integers (min_val, max_val)) octave_stdout << " includes only integers in [-10,10]\n"; return octave_value (); }