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annotate examples/paramdemo.cc @ 9932:6cb30a539481

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untabify files in examples directory
author John W. Eaton <jwe@octave.org>
date Mon, 07 Dec 2009 14:53:20 -0500
parents 4295d634797d
children db1f49eaba6b
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1 #include <octave/oct.h>
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2
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3 DEFUN_DLD (paramdemo, args, nargout,
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4 "Parameter Check Demo.")
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5 {
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6 int nargin = args.length ();
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7 octave_value retval;
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8
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9 if (nargin != 1)
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10 print_usage();
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11 else if (nargout != 0)
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12 error ("paramdemo: function has no output arguments");
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13 else
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14 {
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15 NDArray m = args(0).array_value();
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16 double min_val = -10.0;
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17 double max_val = 10.0;
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18 octave_stdout << "Properties of input array:\n";
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19 if (m.any_element_is_negative ())
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20 octave_stdout << " includes negative values\n";
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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 if (m.any_element_not_one_or_zero())
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24 octave_stdout <<
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25 " includes other values than 1 and 0\n";
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26 if (m.all_elements_are_int_or_inf_or_nan())
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27 octave_stdout <<
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28 " includes only int, Inf or NaN values\n";
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29 if (m.all_integers (min_val, max_val))
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30 octave_stdout <<
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31 " includes only integers in [-10,10]\n";
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32 }
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33 return retval;
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34 }