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annotate examples/code/paramdemo.cc @ 20595:c1a6c31ac29a

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eliminate more simple uses of error_state * ov-classdef.cc: Eliminate simple uses of error_state.
author John W. Eaton <jwe@octave.org>
date Tue, 06 Oct 2015 00:20:02 -0400
parents 2f8500ca91d3
children
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d2bb3b8a8d20 [project @ 2007-04-25 22:19:03 by dbateman]
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1 #include <octave/oct.h>
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2
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be41c30bcb44 Re-write documentation and all examples of dynamically linked functions.
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3 DEFUN_DLD (paramdemo, args, nargout, "Parameter Check Demo")
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4 {
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5 if (args.length () != 1)
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6 print_usage ();
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7
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8 if (nargout != 0)
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9 error ("paramdemo: OUTPUT argument required");
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10
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11 NDArray m = args(0).array_value ();
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12
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13 double min_val = -10.0;
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14 double max_val = 10.0;
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15
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16 octave_stdout << "Properties of input array:\n";
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17
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18 if (m.any_element_is_negative ())
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19 octave_stdout << " includes negative values\n";
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20
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21 if (m.any_element_is_inf_or_nan ())
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22 octave_stdout << " includes Inf or NaN values\n";
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23
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24 if (m.any_element_not_one_or_zero ())
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25 octave_stdout << " includes other values than 1 and 0\n";
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26
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27 if (m.all_elements_are_int_or_inf_or_nan ())
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28 octave_stdout << " includes only int, Inf or NaN values\n";
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29
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30 if (m.all_integers (min_val, max_val))
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31 octave_stdout << " includes only integers in [-10,10]\n";
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32
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33 return octave_value ();
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34 }