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view examples/paramdemo.cc @ 18957:87cba451fd5e stable
__magick_read__.cc: fix png check for image class in older GM (bug #42834).
author | Carnë Draug <carandraug@octave.org> |
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date | Thu, 24 Jul 2014 17:37:45 +0100 |
parents | be41c30bcb44 |
children |
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#include <octave/oct.h> DEFUN_DLD (paramdemo, args, nargout, "Parameter Check Demo") { octave_value retval; int nargin = args.length (); if (nargin != 1) print_usage (); else if (nargout != 0) error ("paramdemo: OUTPUT argument required"); else { 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 retval; }