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annotate examples/paramdemo.cc @ 18479:85d31344fb23 stable rc-3-8-1-2

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3.8.1 release candidate 2 * configure.ac (OCTAVE_VERSION): Bump to 3.8.1-rc2. (OCTAVE_MINOR_VERSION): Bump to 1-rc2. (OCTAVE_RELEASE_DATE): Set to 2014-02-14.
author John W. Eaton <jwe@octave.org>
date Mon, 17 Feb 2014 02:20:39 -0500
parents be41c30bcb44
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.
Rik <rik@octave.org>
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3 DEFUN_DLD (paramdemo, args, nargout, "Parameter Check Demo")
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d2bb3b8a8d20 [project @ 2007-04-25 22:19:03 by dbateman]
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4 {
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5 octave_value retval;
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d2bb3b8a8d20 [project @ 2007-04-25 22:19:03 by dbateman]
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6 int nargin = args.length ();
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7
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8 if (nargin != 1)
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460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
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9 print_usage ();
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d2bb3b8a8d20 [project @ 2007-04-25 22:19:03 by dbateman]
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10 else if (nargout != 0)
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be41c30bcb44 Re-write documentation and all examples of dynamically linked functions.
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11 error ("paramdemo: OUTPUT argument required");
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12 else
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13 {
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460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Rik <octave@nomad.inbox5.com>
parents: 12174
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14 NDArray m = args(0).array_value ();
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d2bb3b8a8d20 [project @ 2007-04-25 22:19:03 by dbateman]
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15 double min_val = -10.0;
d2bb3b8a8d20 [project @ 2007-04-25 22:19:03 by dbateman]
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16 double max_val = 10.0;
d2bb3b8a8d20 [project @ 2007-04-25 22:19:03 by dbateman]
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17 octave_stdout << "Properties of input array:\n";
d2bb3b8a8d20 [project @ 2007-04-25 22:19:03 by dbateman]
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18 if (m.any_element_is_negative ())
d2bb3b8a8d20 [project @ 2007-04-25 22:19:03 by dbateman]
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19 octave_stdout << " includes negative values\n";
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Rik <octave@nomad.inbox5.com>
parents: 12174
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20 if (m.any_element_is_inf_or_nan ())
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d2bb3b8a8d20 [project @ 2007-04-25 22:19:03 by dbateman]
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21 octave_stdout << " includes Inf or NaN values\n";
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Rik <octave@nomad.inbox5.com>
parents: 12174
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22 if (m.any_element_not_one_or_zero ())
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23 octave_stdout << " includes other values than 1 and 0\n";
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parents: 12174
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24 if (m.all_elements_are_int_or_inf_or_nan ())
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25 octave_stdout << " includes only int, Inf or NaN values\n";
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26 if (m.all_integers (min_val, max_val))
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27 octave_stdout << " includes only integers in [-10,10]\n";
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28 }
d2bb3b8a8d20 [project @ 2007-04-25 22:19:03 by dbateman]
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29 return retval;
d2bb3b8a8d20 [project @ 2007-04-25 22:19:03 by dbateman]
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30 }