_bitset.h

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    : _STLP_PRIV _Base_bitset<_Words >() {
    if (__pos > __s.size())
      __stl_throw_out_of_range("bitset");
    _M_copy_from_string(__s, __pos, __n);
  }
#endif /* _STLP_MEMBER_TEMPLATES */

  // 23.3.5.2 bitset operations:
  bitset<_Nb>& operator&=(const bitset<_Nb>& __rhs) {
    this->_M_do_and(__rhs);
    return *this;
  }

  bitset<_Nb>& operator|=(const bitset<_Nb>& __rhs) {
    this->_M_do_or(__rhs);
    return *this;
  }

  bitset<_Nb>& operator^=(const bitset<_Nb>& __rhs) {
    this->_M_do_xor(__rhs);
    return *this;
  }

  bitset<_Nb>& operator<<=(size_t __pos) {
    this->_M_do_left_shift(__pos);
    this->_M_do_sanitize();
    return *this;
  }

  bitset<_Nb>& operator>>=(size_t __pos) {
    this->_M_do_right_shift(__pos);
    this->_M_do_sanitize();
    return *this;
  }

  //
  // Extension:
  // Versions of single-bit set, reset, flip, test with no range checking.
  //

  bitset<_Nb>& _Unchecked_set(size_t __pos) {
    this->_M_getword(__pos) |= _STLP_PRIV _Base_bitset<_Words > ::_S_maskbit(__pos);
    return *this;
  }

  bitset<_Nb>& _Unchecked_set(size_t __pos, int __val) {
    if (__val)
      this->_M_getword(__pos) |= this->_S_maskbit(__pos);
    else
      this->_M_getword(__pos) &= ~ this->_S_maskbit(__pos);

    return *this;
  }

  bitset<_Nb>& _Unchecked_reset(size_t __pos) {
    this->_M_getword(__pos) &= ~ this->_S_maskbit(__pos);
    return *this;
  }

  bitset<_Nb>& _Unchecked_flip(size_t __pos) {
    this->_M_getword(__pos) ^= this->_S_maskbit(__pos);
    return *this;
  }

  bool _Unchecked_test(size_t __pos) const {
    return (this->_M_getword(__pos) & this->_S_maskbit(__pos)) != __STATIC_CAST(_WordT,0);
  }

  // Set, reset, and flip.

  bitset<_Nb>& set() {
    this->_M_do_set();
    this->_M_do_sanitize();
    return *this;
  }

  bitset<_Nb>& set(size_t __pos) {
    if (__pos >= _Nb)
      __stl_throw_out_of_range("bitset");
    return _Unchecked_set(__pos);
  }

  bitset<_Nb>& set(size_t __pos, int __val) {
    if (__pos >= _Nb)
      __stl_throw_out_of_range("bitset");
    return _Unchecked_set(__pos, __val);
  }

  bitset<_Nb>& reset() {
    this->_M_do_reset();
    return *this;
  }

  bitset<_Nb>& reset(size_t __pos) {
    if (__pos >= _Nb)
      __stl_throw_out_of_range("bitset");

    return _Unchecked_reset(__pos);
  }

  bitset<_Nb>& flip() {
    this->_M_do_flip();
    this->_M_do_sanitize();
    return *this;
  }

  bitset<_Nb>& flip(size_t __pos) {
    if (__pos >= _Nb)
      __stl_throw_out_of_range("bitset");

    return _Unchecked_flip(__pos);
  }

  bitset<_Nb> operator~() const {
    return bitset<_Nb>(*this).flip();
  }

  // element access:
  //for b[i];
  reference operator[](size_t __pos) { return reference(*this,__pos); }
  bool operator[](size_t __pos) const { return _Unchecked_test(__pos); }

  unsigned long to_ulong() const { return this->_M_do_to_ulong(); }

#if defined (_STLP_MEMBER_TEMPLATES) && !defined (_STLP_NO_EXPLICIT_FUNCTION_TMPL_ARGS)
  template <class _CharT, class _Traits, class _Alloc>
  basic_string<_CharT, _Traits, _Alloc> to_string() const {
    basic_string<_CharT, _Traits, _Alloc> __result;
    _M_copy_to_string(__result);
    return __result;
  }
#else
  string to_string() const {
    string __result;
    _M_copy_to_string(__result);
    return __result;
  }
#endif /* _STLP_EXPLICIT_FUNCTION_TMPL_ARGS */

  size_t count() const { return this->_M_do_count(); }

  size_t size() const { return _Nb; }

  bool operator==(const bitset<_Nb>& __rhs) const {
    return this->_M_is_equal(__rhs);
  }
  bool operator!=(const bitset<_Nb>& __rhs) const {
    return !this->_M_is_equal(__rhs);
  }

  bool test(size_t __pos) const {
    if (__pos >= _Nb)
      __stl_throw_out_of_range("bitset");

    return _Unchecked_test(__pos);
  }

  bool any() const { return this->_M_is_any(); }
  bool none() const { return !this->_M_is_any(); }

  bitset<_Nb> operator<<(size_t __pos) const {
    bitset<_Nb> __result(*this);
    __result <<= __pos ;  return __result;
  }
  bitset<_Nb> operator>>(size_t __pos) const {
    bitset<_Nb> __result(*this);
    __result >>= __pos ;  return __result;
  }

#if !defined (_STLP_NO_EXTENSIONS)
  //
  // EXTENSIONS: bit-find operations.  These operations are
  // experimental, and are subject to change or removal in future
  // versions.
  //

  // find the index of the first "on" bit
  size_t _Find_first() const
    { return this->_M_do_find_first(_Nb); }

  // find the index of the next "on" bit after prev
  size_t _Find_next( size_t __prev ) const
    { return this->_M_do_find_next(__prev, _Nb); }
#endif

//
// Definitions of should-be non-inline member functions.
//
#if defined (_STLP_MEMBER_TEMPLATES)
  template<class _CharT, class _Traits, class _Alloc>
  void _M_copy_from_string(const basic_string<_CharT,_Traits,_Alloc>& __s,
                           size_t __pos, size_t __n) {
#else
  void _M_copy_from_string(const string& __s,
                           size_t __pos, size_t __n) {
    typedef typename string::traits_type _Traits;
#endif
    reset();
    size_t __tmp = _Nb;
    const size_t __Nbits = (min) (__tmp, (min) (__n, __s.size() - __pos));
    for ( size_t __i= 0; __i < __Nbits; ++__i) {
      typename _Traits::int_type __k = _Traits::to_int_type(__s[__pos + __Nbits - __i - 1]);
      // boris : widen() ?
      if (__k == '1')
        set(__i);
      else if (__k != '0')
        __stl_throw_invalid_argument("bitset");
    }
  }

#if defined (_STLP_MEMBER_TEMPLATES)
  template <class _CharT, class _Traits, class _Alloc>
  void _M_copy_to_string(basic_string<_CharT, _Traits, _Alloc>& __s) const
#else
  void _M_copy_to_string(string& __s) const
#endif
  {
    __s.assign(_Nb, '0');

    for (size_t __i = 0; __i < _Nb; ++__i) {
      if (_Unchecked_test(__i))
        __s[_Nb - 1 - __i] = '1';
    }
  }

#if !defined (_STLP_MEMBER_TEMPLATES) && !defined (_STLP_NO_WCHAR_T)
  void _M_copy_to_string(wstring& __s) const {
    __s.assign(_Nb, '0');

    for (size_t __i = 0; __i < _Nb; ++__i) {
      if (_Unchecked_test(__i))
        __s[_Nb - 1 - __i] = '1';
    }
  }
#endif

#if defined (_STLP_NON_TYPE_TMPL_PARAM_BUG)
  bitset<_Nb> operator&(const bitset<_Nb>& __y) const {
    bitset<_Nb> __result(*this);
    __result &= __y;
    return __result;
  }
  bitset<_Nb> operator|(const bitset<_Nb>& __y) const {
    bitset<_Nb> __result(*this);
    __result |= __y;
    return __result;
  }
  bitset<_Nb> operator^(const bitset<_Nb>& __y) const {
    bitset<_Nb> __result(*this);
    __result ^= __y;
    return __result;
  }
#endif
};

// ------------------------------------------------------------
//
// 23.3.5.3 bitset operations:
//
#if ! defined (_STLP_NON_TYPE_TMPL_PARAM_BUG)
template <size_t _Nb>
inline bitset<_Nb>  _STLP_CALL
operator&(const bitset<_Nb>& __x,
          const bitset<_Nb>& __y) {
  bitset<_Nb> __result(__x);
  __result &= __y;
  return __result;
}


template <size_t _Nb>
inline bitset<_Nb>  _STLP_CALL
operator|(const bitset<_Nb>& __x,
          const bitset<_Nb>& __y) {
  bitset<_Nb> __result(__x);
  __result |= __y;
  return __result;
}

template <size_t _Nb>
inline bitset<_Nb>  _STLP_CALL
operator^(const bitset<_Nb>& __x,
          const bitset<_Nb>& __y) {
  bitset<_Nb> __result(__x);
  __result ^= __y;
  return __result;
}

#if !defined (_STLP_USE_NO_IOSTREAMS)

_STLP_END_NAMESPACE

#  if !(defined (_STLP_MSVC) && (_STLP_MSVC < 1300)) && \
      !(defined(__SUNPRO_CC) && (__SUNPRO_CC < 0x500))

#ifndef _STLP_INTERNAL_IOSFWD
#  include <stl/_iosfwd.h>
#endif

_STLP_BEGIN_NAMESPACE

template <class _CharT, class _Traits, size_t _Nb>
basic_istream<_CharT, _Traits>&  _STLP_CALL
operator>>(basic_istream<_CharT, _Traits>& __is, bitset<_Nb>& __x);

template <class _CharT, class _Traits, size_t _Nb>
basic_ostream<_CharT, _Traits>& _STLP_CALL
operator<<(basic_ostream<_CharT, _Traits>& __os, const bitset<_Nb>& __x);

#  else

#ifndef _STLP_STRING_IO_H
#  include <stl/_string_io.h> //includes _istream.h and _ostream.h
#endif

_STLP_BEGIN_NAMESPACE

template <size_t _Nb>
istream&  _STLP_CALL
operator>>(istream& __is, bitset<_Nb>& __x) {
  typedef typename string::traits_type _Traits;
  string __tmp;
  __tmp.reserve(_Nb);

  // Skip whitespace
  typename istream::sentry __sentry(__is);
  if (__sentry) {
    streambuf* __buf = __is.rdbuf();
    for (size_t __i = 0; __i < _Nb; ++__i) {
      static typename _Traits::int_type __eof = _Traits::eof();

      typename _Traits::int_type __c1 = __buf->sbumpc();
      if (_Traits::eq_int_type(__c1, __eof)) {
        __is.setstate(ios_base::eofbit);
        break;
      }
      else {
        typename _Traits::char_type __c2 = _Traits::to_char_type(__c1);
        char __c  = __is.narrow(__c2, '*');

        if (__c == '0' || __c == '1')
          __tmp.push_back(__c);
        else if (_Traits::eq_int_type(__buf->sputbackc(__c2), __eof)) {
          __is.setstate(ios_base::failbit);
          break;
        }
      }
    }

    if (__tmp.empty())
      __is.setstate(ios_base::failbit);
    else
      __x._M_copy_from_string(__tmp, __STATIC_CAST(size_t,0), _Nb);
  }

  return __is;
}

template <size_t _Nb>
ostream& _STLP_CALL
operator<<(ostream& __os, const bitset<_Nb>& __x) {
  string __tmp;
  __x._M_copy_to_string(__tmp);
  return __os << __tmp;
}

#    if !defined (_STLP_NO_WCHAR_T)

template <size_t _Nb>
wistream&  _STLP_CALL
operator>>(wistream& __is, bitset<_Nb>& __x) {
  typedef typename wstring::traits_type _Traits;
  wstring __tmp;
  __tmp.reserve(_Nb);

  // Skip whitespace
  typename wistream::sentry __sentry(__is);
  if (__sentry) {
    wstreambuf* __buf = __is.rdbuf();
    for (size_t __i = 0; __i < _Nb; ++__i) {
      static typename _Traits::int_type __eof = _Traits::eof();

      typename _Traits::int_type __c1 = __buf->sbumpc();
      if (_Traits::eq_int_type(__c1, __eof)) {
        __is.setstate(ios_base::eofbit);
        break;
      }
      else {
        typename _Traits::char_type __c2 = _Traits::to_char_type(__c1);
        char __c  = __is.narrow(__c2, '*');

        if (__c == '0' || __c == '1')
          __tmp.push_back(__c);
        else if (_Traits::eq_int_type(__buf->sputbackc(__c2), __eof)) {
          __is.setstate(ios_base::failbit);
          break;
        }
      }
    }

    if (__tmp.empty())
      __is.setstate(ios_base::failbit);
    else
      __x._M_copy_from_string(__tmp, __STATIC_CAST(size_t,0), _Nb);
  }

  return __is;
}

template <size_t _Nb>
wostream& _STLP_CALL
operator<<(wostream& __os, const bitset<_Nb>& __x) {
  wstring __tmp;
  __x._M_copy_to_string(__tmp);
  return __os << __tmp;
}

#    endif /* _STLP_NO_WCHAR_T */
#  endif
#endif

#endif /* _STLP_NON_TYPE_TMPL_PARAM_BUG */

#undef  bitset

_STLP_END_NAMESPACE

#undef __BITS_PER_WORD
#undef __BITSET_WORDS

#if !defined (_STLP_LINK_TIME_INSTANTIATION)
#  include <stl/_bitset.c>
#endif

#endif /* _STLP_BITSET_H */

// Local Variables:
// mode:C++
// End: