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annotate examples/paramdemo.cc @ 6650:10da0f6d85c2 ss-2-9-11

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[project @ 2007-05-22 06:48:18 by jwe]
author jwe
date Tue, 22 May 2007 06:48:18 +0000
parents d2bb3b8a8d20
children 4270ded9ddc6
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6580
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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3 DEFUN_DLD (paramdemo, args, nargout, "Parameter Check Demo.")
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4 {
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5 int nargin = args.length ();
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6 octave_value retval;
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7
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8 if (nargin != 1)
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9 print_usage();
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10 else if (nargout != 0)
d2bb3b8a8d20 [project @ 2007-04-25 22:19:03 by dbateman]
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11 error ("paramdemo: function has no output arguments");
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12 else
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13 {
d2bb3b8a8d20 [project @ 2007-04-25 22:19:03 by dbateman]
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14 NDArray m = args(0).array_value();
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15 double min_val = -10.0;
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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";
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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 if (m.any_element_is_inf_or_nan())
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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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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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 }
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29 return retval;
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30 }