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annotate examples/funcdemo.cc @ 17485:6edc451629a6

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__contour__.m: Ignore dummy input in all listener functions. * scripts/plot/private/__contour__.m: Ignore second input for update_text callback function.
author Rik <rik@octave.org>
date Tue, 24 Sep 2013 19:00:34 -0700
parents be41c30bcb44
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #include <octave/oct.h>
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2 #include <octave/parse.h>
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3
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4 DEFUN_DLD (funcdemo, args, nargout, "Function Demo")
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5 {
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be41c30bcb44 Re-write documentation and all examples of dynamically linked functions.
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6 octave_value_list retval;
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460a3c6d8bf1 maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
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7 int nargin = args.length ();
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8
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9 if (nargin < 2)
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10 print_usage ();
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11 else
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12 {
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13 octave_value_list newargs;
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14 for (octave_idx_type i = nargin - 1; i > 0; i--)
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15 newargs(i-1) = args(i);
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16 if (args(0).is_function_handle () || args(0).is_inline_function ())
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17 {
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18 octave_function *fcn = args(0).function_value ();
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19 if (! error_state)
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20 retval = feval (fcn, newargs, nargout);
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21 }
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22 else if (args(0).is_string ())
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23 {
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24 std::string fcn = args(0).string_value ();
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25 if (! error_state)
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26 retval = feval (fcn, newargs, nargout);
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27 }
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28 else
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29 error ("funcdemo: INPUT must be string, inline, or function handle");
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30 }
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31 return retval;
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32 }