Num_put Virtual Functions

  iter_type do_put(iter_type out, ios_base& str,
  char_type fill, bool val) const;
  iter_type do_put(iter_type out, ios_base& str,
  char_type fill, long val) const;
  iter_type do_put(iter_type out, ios_base& str,
  char_type fill,   unsigned long val) const;
  iter_type do_put(iter_type out, ios_base& str,
  char_type fill, double val) const;
  iter_type do_put(iter_type out, ios_base& str,
  char_type fill,long double val) const;
  iter_type do_put(iter_type out, ios_base& str,
  char_type fill, const void* val) const;