view examples/funcdemo.cc @ 18917:46df2c7b8f4d stable rc-3-8-2-2

3.8.2 release candidate 2 * configure.ac (OCTAVE_VERSION): Bump to 3.8.2-rc1. (OCTAVE_MINOR_VERSION): Bump to 2-rc2. (OCTAVE_RELEASE_DATE): Set to 2014-07-01.
author John W. Eaton <jwe@octave.org>
date Tue, 01 Jul 2014 04:48:33 -0400
parents be41c30bcb44
children
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#include <octave/oct.h>
#include <octave/parse.h>

DEFUN_DLD (funcdemo, args, nargout, "Function Demo")
{
  octave_value_list retval;
  int nargin = args.length ();

  if (nargin < 2)
    print_usage ();
  else
    {
      octave_value_list newargs;
      for (octave_idx_type i = nargin - 1; i > 0; i--)
        newargs(i-1) = args(i);
      if (args(0).is_function_handle () || args(0).is_inline_function ())
        {
          octave_function *fcn = args(0).function_value ();
          if (! error_state)
            retval = feval (fcn, newargs, nargout);
        }
      else if (args(0).is_string ())
        {
          std::string fcn = args(0).string_value ();
          if (! error_state)
            retval = feval (fcn, newargs, nargout);
        }
      else
        error ("funcdemo: INPUT must be string, inline, or function handle");
    }
  return retval;
}