view examples/funcdemo.cc @ 13111:ebb42fb2da04

Various fixes for tests in scripts/plot plot/cla.m: Use figure number 1232. plot/clf.m: Split test into two. plot/findall.m: Check only for graphic objects in figure 1232. plot/findall.m: Ditto. plot/gcf.m: Simplify test. plot/line.m: Check against default values now. plot/whitebg.m: Restore default values after tests.
author Kai Habel <kai.habel@gmx.de>
date Wed, 07 Sep 2011 20:13:18 +0200
parents 6cb30a539481
children 460a3c6d8bf1
line wrap: on
line source

#include <octave/oct.h>
#include <octave/parse.h>

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

  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: expected string,",
               " inline or function handle");
    }
  return retval;
}