Reducing some warnings at compilation (no sparse matrix support)

[Thomas Treichl]

Sorry, forgot warntest.cc

/* mkoctfile-2.9.9 -Wall -W -Wshadow -Wold-style-cast warntest.cc */

#include <octave/oct.h>

void myfun1 (octave_value_list a, octave_value_list b)
{
  octave_idx_type c;
#if 0
  c = a(0).length () + b(0).length ();
  std::cout << "Hallo world 1\n" << a(0).length () << "\n" << b(0).length () << 
"\n";
#endif
}

void myfun2 (GCC_ATTR_UNUSED octave_value_list a, GCC_ATTR_UNUSED 
octave_value_list b)
{
  GCC_ATTR_UNUSED octave_idx_type c;
#if 0
  c = a(0).length () + b(0).length ();
  std::cout << "Hallo world 2\n" << a(0).length () << "\n" << b(0).length () << 
"\n";
#endif
}

void myfun3 (GCC_ATTR_UNUSED octave_value_list a, GCC_ATTR_UNUSED 
octave_value_list b)
{
  GCC_ATTR_UNUSED octave_idx_type c;
#if 1
  c = a(0).length () + b(0).length ();
  std::cout << "Hallo world 3\n" << a(0).length () << "\n" << b(0).length () << 
"\n";
#endif
}

DEFUN_DLD (warntest, args, nargout, "warntest function")
{
  octave_value_list retval;
  int nargin = args.length ();

  myfun1 (args, args);
  myfun2 (args, args);
  myfun3 (args, args);

  return retval;
}