view examples/code/funcdemo.cc @ 20269:3ccc2d02e64b stable release-4-0-0

Version 4.0.0 released. * configure.ac (OCTAVE_VERSION): Now 4.0.0. (OCTAVE_MAJOR_VERSION): Now 4. (OCTAVE_MINOR_VERSION): Now 0. (OCTAVE_PATCH_VERSION): Now 0. (OCTAVE_RELEASE_DATE): Set to 2015-05-23.
author John W. Eaton <jwe@octave.org>
date Sat, 23 May 2015 10:35:40 -0400
parents c8240a60dd01
children 2f8500ca91d3
line wrap: on
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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;
}