view examples/code/funcdemo.cc @ 21059:73ab962bc52d

doc: Use newer coding conventions in examples/code directory. * FIRfilter.m, FIRfilter_aggregation.m, display.m, subsasgn.m, subsref.m, display.m, end.m, get.m, numel.m, plot.m, polynomial.m, polynomial_superiorto.m, polyval.m, roots.m, set.m, subsasgn.m, subsref.m, celldemo.cc, fortrandemo.cc, funcdemo.cc, globaldemo.cc, oct_demo.cc, paramdemo.cc, stringdemo.cc: Use newer coding conventions in examples/code directory.
author Rik <rik@octave.org>
date Wed, 13 Jan 2016 16:21:24 -0800
parents 2f8500ca91d3
children d7e4d9b383ff
line wrap: on
line source

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

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

  if (nargin < 2)
    print_usage ();

  octave_value_list newargs;

  for (octave_idx_type i = nargin - 1; i > 0; i--)
    newargs(i-1) = args(i);

  octave_value_list retval;

  if (args(0).is_function_handle () || args(0).is_inline_function ())
    {
      octave_function *fcn = args(0).function_value ();

      retval = feval (fcn, newargs, nargout);
    }
  else if (args(0).is_string ())
    {
      std::string fcn = args(0).string_value ();

      retval = feval (fcn, newargs, nargout);
    }
  else
    error ("funcdemo: INPUT must be string, inline, or function handle");

  return retval;
}