ize_type __pos, size_type __n) const
    {
      __glibcxx_requires_string_len(__s, __n);
      for (; __n && __pos < this->size(); ++__pos)
	{
	  const _CharT* __p = traits_type::find(__s, __n, _M_data()[__pos]);
	  if (__p)
	    return __pos;
	}
      return npos;
    }

  template<typename _CharT, typename _Traits, typename _Alloc>
    typename basic_string<_CharT, _Traits, _Alloc>::size_type
    basic_string<_CharT, _Traits, _Alloc>::
    find_last_of(const _CharT* __s, size_type __pos, size_type __n) const
    {
      __glibcxx_requires_string_len(__s, __n);
      size_type __size = this->size();
      if (__size && __n)
	{
	  if (--__size > __pos)
	    __size = __pos;
	  do
	    {
	      if (traits_type::find(__s, __n, _M_data()[__size]))
		return __size;
	    }
	  while (__size-- != 0);
	}
      return npos;
    }

  template<typename _CharT, typename _Traits, typename _Alloc>
    typename basic_string<_CharT, _Traits, _Alloc>::size_type
    basic_string<_CharT, _Traits, _Alloc>::
    find_first_not_of(const _CharT* __s, size_type __pos, size_type __n) const
    {
      __glibcxx_requires_string_len(__s, __n);
      for (; __pos < this->size(); ++__pos)
	if (!traits_type::find(__s, __n, _M_data()[__pos]))
	  return __pos;
      return npos;
    }

  template<typename _CharT, typename _Traits, typename _Alloc>
    typename basic_string<_CharT, _Traits, _Alloc>::size_type
    basic_string<_CharT, _Traits, _Alloc>::
    find_first_not_of(_CharT __c, size_type __pos) const
    {
      for (; __pos < this->size(); ++__pos)
	if (!traits_type::eq(_M_data()[__pos], __c))
	  return __pos;
      return npos;
    }

  template<typename _CharT, typename _Traits, typename _Alloc>
    typename basic_string<_CharT, _Traits, _Alloc>::size_type
    basic_string<_CharT, _Traits, _Alloc>::
    find_last_not_of(const _CharT* __s, size_type __pos, size_type __n) const
    {
      __glibcxx_requires_string_len(__s, __n);
      size_type __size = this->size();
      if (__size)
	{
	  if (--__size > __pos)
	    __size = __pos;
	  do
	    {
	      if (!traits_type::find(__s, __n, _M_data()[__size]))
		return __size;
	    }
	  while (__size--);
	}
      return npos;
    }

  template<typename _CharT, typename _Traits, typename _Alloc>
    typename basic_string<_CharT, _Traits, _Alloc>::size_type
    basic_string<_CharT, _Traits, _Alloc>::
    find_last_not_of(_CharT __c, size_type __pos) const
    {
      size_type __size = this->size();
      if (__size)
	{
	  if (--__size > __pos)
	    __size = __pos;
	  do
	    {
	      if (!traits_type::eq(_M_data()[__size], __c))
		return __size;
	    }
	  while (__size--);
	}
      return npos;
    }

  template<typename _CharT, typename _Traits, typename _Alloc>
    int
    basic_string<_CharT, _Traits, _Alloc>::
    compare(size_type __pos, size_type __n, const basic_string& __str) const
    {
      _M_check(__pos, "basic_string::compare");
      __n = _M_limit(__pos, __n);
      const size_type __osize = __str.size();
      const size_type __len = std::min(__n, __osize);
      int __r = traits_type::compare(_M_data() + __pos, __str.data(), __len);
      if (!__r)
	__r = _S_compare(__n, __osize);
      return __r;
    }

  template<typename _CharT, typename _Traits, typename _Alloc>
    int
    basic_string<_CharT, _Traits, _Alloc>::
    compare(size_type __pos1, size_type __n1, const basic_string& __str,
	    size_type __pos2, size_type __n2) const
    {
      _M_check(__pos1, "basic_string::compare");
      __str._M_check(__pos2, "basic_string::compare");
      __n1 = _M_limit(__pos1, __n1);
      __n2 = __str._M_limit(__pos2, __n2);
      const size_type __len = std::min(__n1, __n2);
      int __r = traits_type::compare(_M_data() + __pos1,
				     __str.data() + __pos2, __len);
      if (!__r)
	__r = _S_compare(__n1, __n2);
      return __r;
    }

  template<typename _CharT, typename _Traits, typename _Alloc>
    int
    basic_string<_CharT, _Traits, _Alloc>::
    compare(const _CharT* __s) const
    {
      __glibcxx_requires_string(__s);
      const size_type __size = this->size();
      const size_type __osize = traits_type::length(__s);
      const size_type __len = std::min(__size, __osize);
      int __r = traits_type::compare(_M_data(), __s, __len);
      if (!__r)
	__r = _S_compare(__size, __osize);
      return __r;
    }

  template<typename _CharT, typename _Traits, typename _Alloc>
    int
    basic_string <_CharT, _Traits, _Alloc>::
    compare(size_type __pos, size_type __n1, const _CharT* __s) const
    {
      __glibcxx_requires_string(__s);
      _M_check(__pos, "basic_string::compare");
      __n1 = _M_limit(__pos, __n1);
      const size_type __osize = traits_type::length(__s);
      const size_type __len = std::min(__n1, __osize);
      int __r = traits_type::compare(_M_data() + __pos, __s, __len);
      if (!__r)
	__r = _S_compare(__n1, __osize);
      return __r;
    }

  template<typename _CharT, typename _Traits, typename _Alloc>
    int
    basic_string <_CharT, _Traits, _Alloc>::
    compare(size_type __pos, size_type __n1, const _CharT* __s,
	    size_type __n2) const
    {
      __glibcxx_requires_string_len(__s, __n2);
      _M_check(__pos, "basic_string::compare");
      __n1 = _M_limit(__pos, __n1);
      const size_type __len = std::min(__n1, __n2);
      int __r = traits_type::compare(_M_data() + __pos, __s, __len);
      if (!__r)
	__r = _S_compare(__n1, __n2);
      return __r;
    }

  // 21.3.7.9 basic_string::getline and operators
  template<typename _CharT, typename _Traits, typename _Alloc>
    basic_istream<_CharT, _Traits>&
    operator>>(basic_istream<_CharT, _Traits>& __in,
	       basic_string<_CharT, _Traits, _Alloc>& __str)
    {
      typedef basic_istream<_CharT, _Traits>		__istream_type;
      typedef basic_string<_CharT, _Traits, _Alloc>	__string_type;
      typedef typename __istream_type::ios_base         __ios_base;
      typedef typename __istream_type::int_type		__int_type;
      typedef typename __string_type::size_type		__size_type;
      typedef ctype<_CharT>				__ctype_type;
      typedef typename __ctype_type::ctype_base         __ctype_base;

      __size_type __extracted = 0;
      typename __ios_base::iostate __err = __ios_base::goodbit;
      typename __istream_type::sentry __cerb(__in, false);
      if (__cerb)
	{
	  try
	    {
	      // Avoid reallocation for common case.
	      __str.erase();
	      _CharT __buf[128];
	      __size_type __len = 0;	      
	      const streamsize __w = __in.width();
	      const __size_type __n = __w > 0 ? static_cast<__size_type>(__w)
		                              : __str.max_size();
	      const __ctype_type& __ct = use_facet<__ctype_type>(__in.getloc());
	      const __int_type __eof = _Traits::eof();
	      __int_type __c = __in.rdbuf()->sgetc();

	      while (__extracted < __n
		     && !_Traits::eq_int_type(__c, __eof)
		     && !__ct.is(__ctype_base::space,
				 _Traits::to_char_type(__c)))
		{
		  if (__len == sizeof(__buf) / sizeof(_CharT))
		    {
		      __str.append(__buf, sizeof(__buf) / sizeof(_CharT));
		      __len = 0;
		    }
		  __buf[__len++] = _Traits::to_char_type(__c);
		  ++__extracted;
		  __c = __in.rdbuf()->snextc();
		}
	      __str.append(__buf, __len);

	      if (_Traits::eq_int_type(__c, __eof))
		__err |= __ios_base::eofbit;
	      __in.width(0);
	    }
	  catch(__cxxabiv1::__forced_unwind&)
	    {
	      __in._M_setstate(__ios_base::badbit);
	      __throw_exception_again;
	    }
	  catch(...)
	    {
	      // _GLIBCXX_RESOLVE_LIB_DEFECTS
	      // 91. Description of operator>> and getline() for string<>
	      // might cause endless loop
	      __in._M_setstate(__ios_base::badbit);
	    }
	}
      // 211.  operator>>(istream&, string&) doesn't set failbit
      if (!__extracted)
	__err |= __ios_base::failbit;
      if (__err)
	__in.setstate(__err);
      return __in;
    }

  template<typename _CharT, typename _Traits, typename _Alloc>
    basic_istream<_CharT, _Traits>&
    getline(basic_istream<_CharT, _Traits>& __in,
	    basic_string<_CharT, _Traits, _Alloc>& __str, _CharT __delim)
    {
      typedef basic_istream<_CharT, _Traits>		__istream_type;
      typedef basic_string<_CharT, _Traits, _Alloc>	__string_type;
      typedef typename __istream_type::ios_base         __ios_base;
      typedef typename __istream_type::int_type		__int_type;
      typedef typename __string_type::size_type		__size_type;

      __size_type __extracted = 0;
      const __size_type __n = __str.max_size();
      typename __ios_base::iostate __err = __ios_base::goodbit;
      typename __istream_type::sentry __cerb(__in, true);
      if (__cerb)
	{
	  try
	    {
	      __str.erase();
	      const __int_type __idelim = _Traits::to_int_type(__delim);
	      const __int_type __eof = _Traits::eof();
	      __int_type __c = __in.rdbuf()->sgetc();

	      while (__extracted < __n
		     && !_Traits::eq_int_type(__c, __eof)
		     && !_Traits::eq_int_type(__c, __idelim))
		{
		  __str += _Traits::to_char_type(__c);
		  ++__extracted;
		  __c = __in.rdbuf()->snextc();
		}

	      if (_Traits::eq_int_type(__c, __eof))
		__err |= __ios_base::eofbit;
	      else if (_Traits::eq_int_type(__c, __idelim))
		{
		  ++__extracted;		  
		  __in.rdbuf()->sbumpc();
		}
	      else
		__err |= __ios_base::failbit;
	    }
	  catch(__cxxabiv1::__forced_unwind&)
	    {
	      __in._M_setstate(__ios_base::badbit);
	      __throw_exception_again;
	    }
	  catch(...)
	    {
	      // _GLIBCXX_RESOLVE_LIB_DEFECTS
	      // 91. Description of operator>> and getline() for string<>
	      // might cause endless loop
	      __in._M_setstate(__ios_base::badbit);
	    }
	}
      if (!__extracted)
	__err |= __ios_base::failbit;
      if (__err)
	__in.setstate(__err);
      return __in;
    }

  // Inhibit implicit instantiations for required instantiations,
  // which are defined via explicit instantiations elsewhere.
  // NB: This syntax is a GNU extension.
#if _GLIBCXX_EXTERN_TEMPLATE
  extern template class basic_string<char>;
  extern template
    basic_istream<char>&
    operator>>(basic_istream<char>&, string&);
  extern template
    basic_ostream<char>&
    operator<<(basic_ostream<char>&, const string&);
  extern template
    basic_istream<char>&
    getline(basic_istream<char>&, string&, char);
  extern template
    basic_istream<char>&
    getline(basic_istream<char>&, string&);

#ifdef _GLIBCXX_USE_WCHAR_T
  extern template class basic_string<wchar_t>;
  extern template
    basic_istream<wchar_t>&
    operator>>(basic_istream<wchar_t>&, wstring&);
  extern template
    basic_ostream<wchar_t>&
    operator<<(basic_ostream<wchar_t>&, const wstring&);
  extern template
    basic_istream<wchar_t>&
    getline(basic_istream<wchar_t>&, wstring&, wchar_t);
  extern template
    basic_istream<wchar_t>&
    getline(basic_istream<wchar_t>&, wstring&);
#endif
#endif

_GLIBCXX_END_NAMESPACE

#endif
// Allocators -*- C++ -*-

// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/*
 * Copyright (c) 1996-1997
 * Silicon Graphics Computer Systems, Inc.
 *
 * Permission to use, copy, modify, distribute and sell this software
 * and its documentation for any purpose is hereby granted without fee,
 * provided that the above copyright notice appear in all copies and
 * that both that copyright notice and this permission notice appear
 * in supporting documentation.  Silicon Graphics makes no
 * representations about the suitability of this software for any
 * purpose.  It is provided "as is" without express or implied warranty.
 */

/** @file allocator.h
 *  This is an internal header file, included by other library headers.
 *  You should not attempt to use it directly.
 */

#ifndef _ALLOCATOR_H
#define _ALLOCATOR_H 1

// Define the base class to std::allocator.
#include <bits/c++allocator.h>

_GLIBCXX_BEGIN_NAMESPACE(std)

  template<typename _Tp>
    class allocator;

  /// allocator<void> specialization.
  template<>
    class allocator<void>
    {
    public:
      typedef size_t      size_type;
      typedef ptrdiff_t   difference_type;
      typedef void*       pointer;
      typedef const void* const_pointer;
      typedef void        value_type;

      template<typename _Tp1>
        struct rebind
        { typedef allocator<_Tp1> other; };
    };

  /**
   * @brief  The "standard" allocator, as per [20.4].
   *
   *  Further details:
   *  http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt04ch11.html
   */
  template<typename _Tp>
    class allocator: public __glibcxx_base_allocator<_Tp>
    {
   public:
      typedef size_t     size_type;
      typedef ptrdiff_t  difference_type;
      typedef _Tp*       pointer;
      typedef const _Tp* const_pointer;
      typedef _Tp&       reference;
      typedef const _Tp& const_reference;
      typedef _Tp        value_type;

      template<typename _Tp1>
        struct rebind
        { typedef allocator<_Tp1> other; };

      allocator() throw() { }

      allocator(const allocator& __a) throw()
      : __glibcxx_base_allocator<_Tp>(__a) { }

      template<typename _Tp1>
        allocator(const allocator<_Tp1>&) throw() { }

      ~allocator() throw() { }

      // Inherit everything else.
    };

  template<typename _T1, typename _T2>
    inline bool
    operator==(const allocator<_T1>&, const allocator<_T2>&)
    { return true; }

  template<typename _Tp>
    inline bool
    operator==(const allocator<_Tp>&, const allocator<_Tp>&)
    { return true; }

  template<typename _T1, typename _T2>
    inline bool
    operator!=(const allocator<_T1>&, const allocator<_T2>&)
    { return false; }

  template<typename _Tp>
    inline bool
    operator!=(const allocator<_Tp>&, const allocator<_Tp>&)
    { return false; }

  // Inhibit implicit instantiations for required instantiations,
  // which are defined via explicit instantiations elsewhere.
  // NB: This syntax is a GNU extension.
#if _GLIBCXX_EXTERN_TEMPLATE
  extern template class allocator<char>;
  extern template class allocator<wchar_t>;
#endif

  // Undefine.
#undef __glibcxx_base_allocator

  // To implement Option 3 of DR 431.
  template<typename _Alloc, bool = __is_empty(_Alloc)>
    struct __alloc_swap
    { static void _S_do_it(_Alloc&, _Alloc&) { } };

  template<typename _Alloc>
    struct __alloc_swap<_Alloc, false>
    {
      static void
      _S_do_it(_Alloc& __one, _Alloc& __two)
      {
	// Precondition: swappable allocators.
	if (__one != __two)
	  swap(__one, __two);
      }
    };

  // Optimize for stateless allocators.
  template<typename _Alloc, bool = __is_empty(_Alloc)>
    struct __alloc_neq
    {
      static bool
      _S_do_it(const _Alloc&, const _Alloc&)
      { return false; }
    };

  template<typename _Alloc>
    struct __alloc_neq<_Alloc, false>
    {
      static bool
      _S_do_it(const _Alloc& __one, const _Alloc& __two)
      { return __one != __two; }
    };

_GLIBCXX_END_NAMESPACE

#endif
// Deque implementation (out of line) -*- C++ -*-

// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/*
 *
 * Copyright (c) 1994
 * Hewlett-Packard Company
 *
 * Permission to use, copy, modify, distribute and sell this software
 * and its documentation for any purpose is hereby granted without fee,
 * provided that the above copyright notice appear in all copies and
 * that both that copyright notice and this permission notice appear
 * in supporting documentation.  Hewlett-Packard Company makes no
 * representations about the suitability of this software for any
 * purpose.  It is provided "as is" without express or implied warranty.
 *
 *
 * Copyright (c) 1997
 * Silicon Graphics Computer Systems, Inc.
 *
 * Permission to use, copy, modify, distribute and sell this software
 * and its documentation for any purpose is hereby granted without fee,
 * provided that the above copyright notice appear in all copies and
 * that both that copyright notice and this permission notice appear
 * in supporting documentation.  Silicon Graphics makes no
 * representations about the suitability of this software for any
 * purpose.  It is provided "as is" without express or implied warranty.
 */

/** @file deque.tcc
 *  This is an internal header file, included by other library headers.
 *  You should not attempt to use it directly.
 */

#ifndef _DEQUE_TCC
#define _DEQUE_TCC 1

_GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D)

  template <typename _Tp, typename _Alloc>
    deque<_Tp, _Alloc>&
    deque<_Tp, _Alloc>::
    operator=(const deque& __x)
    {
      const size_type __len = size();
      if (&__x != this)
	{
	  if (__len >= __x.size())
	    _M_erase_at_end(std::copy(__x.begin(), __x.end(),
				      this->_M_impl._M_start));
	  else
	    {
	      const_iterator __mid = __x.begin() + difference_type(__len);
	      std::copy(__x.begin(), __mid, this->_M_impl._M_start);
	      insert(this->_M_impl._M_finish, __mid, __x.end());
	    }
	}
      return *this;
    }

  template <typename _Tp, typename _Alloc>
    typename deque<_Tp, _Alloc>::iterator
    deque<_Tp, _Alloc>::
    insert(iterator __position, const value_type& __x)
    {
      if (__position._M_cur == this->_M_impl._M_start._M_cur)
	{
	  push_front(__x);
	  return this->_M_impl._M_start;
	}
      else if (__position._M_cur == this->_M_impl._M_finish._M_cur)
	{
	  push_back(__x);
	  iterator __tmp = this->_M_impl._M_finish;
	  --__tmp;
	  return __tmp;
	}
      else
        return _M_insert_aux(__position, __x);
    }

#ifdef __GXX_EXPERIMENTAL_CXX0X__
  template<typename _Tp, typename _Alloc>
    template<typename... _Args>
      typename deque<_Tp, _Alloc>::iterator
      deque<_Tp, _Alloc>::
      emplace(iterator __position, _Args&&... __args)
      {
	if (__position._M_cur == this->_M_impl._M_start._M_cur)
	  {
	    push_front(std::forward<_Args>(__args)...);
	    return this->_M_impl._M_start;
	  }
	else if (__position._M_cur == this->_M_impl._M_finish._M_cur)
	  {
	    push_back(std::forward<_Args>(__args)...);
	    iterator __tmp = this->_M_impl._M_finish;
	    --__tmp;
	    return __tmp;
	  }
	else
	  return _M_insert_aux(__position, std::forward<_Args>(__args)...);
      }
#endif

  template <typename _Tp, typename _Alloc>
    typename deque<_Tp, _Alloc>::iterator
    deque<_Tp, _Alloc>::
    erase(iterator __position)
    {
      iterator __next = __position;
      ++__next;
      const difference_type __index = __position - begin();
      if (static_cast<size_type>(__index) < (size() >> 1))
	{
	  if (__position != begin())
	    _GLIBCXX_MOVE_BACKWARD3(begin(), __position, __next);
	  pop_front();
	}
      else
	{
	  if (__next != end())
	    _GLIBCXX_MOVE3(__next, end(), __position);
	  pop_back();
	}
      return begin() + __index;
    }

  template <typename _Tp, typename _Alloc>
    typename deque<_Tp, _Alloc>::iterator
    deque<_Tp, _Alloc>::
    erase(iterator __first, iterator __last)
    {
      if (__first == begin() && __last == end())
	{
	  clear();
	  return end();
	}
      else
	{
	  const difference_type __n = __last - __first;
	  const difference_type __elems_before = __first - begin();
	  if (static_cast<size_type>(__elems_before) <= (size() - __n) / 2)
	    {
	      if (__first != begin())
		_GLIBCXX_MOVE_BACKWARD3(begin(), __first, __last);
	      _M_erase_at_begin(begin() + __n);
	    }
	  else
	    {
	      if (__last != end())
		_GLIBCXX_MOVE3(__last, end(), __first);
	      _M_erase_at_end(end() - __n);
	    }
	  return begin() + __elems_before;
	}
    }

  template <typename _Tp, class _Alloc>
    template <typename _InputIterator>
      void
      deque<_Tp, _Alloc>::
      _M_assign_aux(_InputIterator __first, _InputIterator __last,
		    std::input_iterator_tag)
      {
        iterator __cur = begin();
        for (; __first != __last && __cur != end(); ++__cur, ++__first)
          *__cur = *__first;
        if (__first == __last)
          _M_erase_at_end(__cur);
        else
          insert(end(), __first, __last);
      }

  template <typename _Tp, typename _Alloc>
    void
    deque<_Tp, _Alloc>::
    _M_fill_insert(iterator __pos, size_type __n, const value_type& __x)
    {
      if (__pos._M_cur == this->_M_impl._M_start._M_cur)
	{
	  iterator __new_start = _M_reserve_elements_at_front(__n);
	  try
	    {
	      std::__uninitialized_fill_a(__new_start, this->_M_impl._M_start,
					  __x, _M_get_Tp_allocator());
	      this->_M_impl._M_start = __new_start;
	    }
	  catch(...)
	    {
	      _M_destroy_nodes(__new_start._M_node,
			       this->_M_impl._M_start._M_node);
	      __throw_exception_again;
	    }
	}
      else if (__pos._M_cur == this->_M_impl._M_finish._M_cur)
	{
	  iterator __new_finish = _M_reserve_elements_at_back(__n);
	  try
	    {
	      std::__uninitialized_fill_a(this->_M_impl._M_finish,
					  __new_finish, __x,
					  _M_get_Tp_allocator());
	      this->_M_impl._M_finish = __new_finish;
	    }
	  catch(...)
	    {
	      _M_destroy_nodes(this->_M_impl._M_finish._M_node + 1,
			       __new_finish._M_node + 1);
	      __throw_exception_again;
	    }
	}
      else
        _M_insert_aux(__pos, __n, __x);
    }

  template <typename _Tp, typename _Alloc>
    void
    deque<_Tp, _Alloc>::
    _M_fill_initialize(const value_type& __value)
    {
      _Map_pointer __cur;
      try
        {
          for (__cur = this->_M_impl._M_start._M_node;
	       __cur < this->_M_impl._M_finish._M_node;
	       ++__cur)
            std::__uninitialized_fill_a(*__cur, *__cur + _S_buffer_size(),
					__value, _M_get_Tp_allocator());
          std::__uninitialized_fill_a(this->_M_impl._M_finish._M_first,
				      this->_M_impl._M_finish._M_cur,
				      __value, _M_get_Tp_allocator());
        }
      catch(...)
        {
          std::_Destroy(this->_M_impl._M_start, iterator(*__cur, __cur),
			_M_get_Tp_allocator());
          __throw_exception_again;
        }
    }

  template <typename _Tp, typename _Alloc>
    template <typename _InputIterator>
      void
      deque<_Tp, _Alloc>::
      _M_range_initialize(_InputIterator __first, _InputIterator __last,
                          std::input_iterator_tag)
      {
        this->_M_initialize_map(0);
        try
          {
            for (; __first != __last; ++__first)
              push_back(*__first);
          }
        catch(...)
          {
            clear();
            __throw_exception_again;
          }
      }

  template <typename _Tp, typename _Alloc>
    template <typename _ForwardIterator>
      void
      deque<_Tp, _Alloc>::
      _M_range_initialize(_ForwardIterator __first, _ForwardIterator __last,
                          std::forward_iterator_tag)
      {
        const size_type __n = std::distance(__first, __last);
        this->_M_initialize_map(__n);

        _Map_pointer __cur_node;
        try
          {
            for (__cur_node = this->_M_impl._M_start._M_node;
                 __cur_node < this->_M_impl._M_finish._M_node;
                 ++__cur_node)
	      {
		_ForwardIterator __mid = __first;
		std::advance(__mid, _S_buffer_size());
		std::__uninitialized_copy_a(__first, __mid, *__cur_node,
					    _M_get_Tp_allocator());
		__first = __mid;
	      }
            std::__uninitialized_copy_a(__first, __last,
					this->_M_impl._M_finish._M_first,
					_M_get_Tp_allocator());
          }
        catch(...)
          {
            std::_Destroy(this->_M_impl._M_start,
			  iterator(*__cur_node, __cur_node),
			  _M_get_Tp_allocator());
            __throw_exception_again;
          }
      }

  // Called only if _M_impl._M_finish._M_cur == _M_impl._M_finish._M_last - 1.
  template<typename _Tp, typename _Alloc>
#ifdef __GXX_EXPERIMENTAL_CXX0X__
    template<typename... _Args>
      void
      deque<_Tp, _Alloc>::
      _M_push_back_aux(_Args&&... __args)
#else
      void
      deque<_Tp, _Alloc>::
      _M_push_back_aux(const value_type& __t)
#endif
      {
	_M_reserve_map_at_back();
	*(this->_M_impl._M_finish._M_node + 1) = this->_M_allocate_node();
	try
	  {
#ifdef __GXX_EXPERIMENTAL_CXX0X__
	    this->_M_impl.construct(this->_M_impl._M_finish._M_cur,
				    std::forward<_Args>(__args)...);
#else
	    this->_M_impl.construct(this->_M_impl._M_finish._M_cur, __t);
#endif
	    this->_M_impl._M_finish._M_set_node(this->_M_impl._M_finish._M_node
						+ 1);
	    this->_M_impl._M_finish._M_cur = this->_M_impl._M_finish._M_first;
	  }
	catch(...)
	  {
	    _M_deallocate_node(*(this->_M_impl._M_finish._M_node + 1));
	    __throw_exception_again;
	  }
      }

  // Called only if _M_impl._M_start._M_cur == _M_impl._M_start._M_first.
  template<typename _Tp, typename _Alloc>
#ifdef __GXX_EXPERIMENTAL_CXX0X__
    template<typename... _Args>
      void
      deque<_Tp, _Alloc>::
      _M_push_front_aux(_Args&&... __args)
#else
      void
      deque<_Tp, _Alloc>::
      _M_push_front_aux(const value_type& __t)
#endif
      {
	_M_reserve_map_at_front();
	*(this->_M_impl._M_start._M_node - 1) = this->_M_allocate_node();
	try
	  {
	    this->_M_impl._M_start._M_set_node(this->_M_impl._M_start._M_node
					       - 1);
	    this->_M_impl._M_start._M_cur = this->_M_impl._M_start._M_last - 1;
#ifdef __GXX_EXPERIMENTAL_CXX0X__
	    this->_M_impl.construct(this->_M_impl._M_start._M_cur,
				    std::forward<_Args>(__args)...);
#else
	    this->_M_impl.construct(this->_M_impl._M_start._M_cur, __t);
#endif
	  }
	catch(...)
	  {
	    ++this->_M_impl._M_start;
	    _M_deallocate_node(*(this->_M_impl._M_start._M_node - 1));
	    __throw_exception_again;
	  }
      }

  // Called only if _M_impl._M_finish._M_cur == _M_impl._M_finish._M_first.
  template <typename _Tp, typename _Alloc>
    void deque<_Tp, _Alloc>::
    _M_pop_back_aux()
    {
      _M_deallocate_node(this->_M_impl._M_finish._M_first);
      this->_M_impl._M_finish._M_set_node(this->_M_impl._M_finish._M_node - 1);
      this->_M_impl._M_finish._M_cur = this->_M_impl._M_fi^(_(`(a(b(c(d(e(f(g(h(i(j(k(nish._M_last - 1;
      this->_M_impl.destroy(this->_M_impl._M_finish._M_cur);
    }

  // Called only if _M_impl._M_start._M_cur == _M_impl._M_start._M_last - 1.
  // Note that if the deque has at least one element (a precondition for this
  // member function), and if
  //   _M_impl._M_start._M_cur == _M_impl._M_start._M_last,
  // then the deque must have at least two nodes.
  template <typename _Tp, typename _Alloc>
    void deque<_Tp, _Alloc>::
    _M_pop_front_aux()
    {
      this->_M_impl.destroy(this->_M_impl._M_start._M_cur);
      _M_deallocate_node(this->_M_impl._M_start._M_first);
      this->_M_impl._M_start._M_set_node(this->_M_impl._M_start._M_node + 1);
      this->_M_impl._M_start._M_cur = this->_M_impl._M_start._M_first;
    }

  template <typename _Tp, typename _Alloc>
    template <typename _InputIterator>
      void
      deque<_Tp, _Alloc>::
      _M_range_insert_aux(iterator __pos,
                          _InputIterator __first, _InputIterator __last,
                          std::input_iterator_tag)
      { std::copy(__first, __last, std::inserter(*this, __pos)); }

  template <typename _Tp, typename _Alloc>
    template <typename _ForwardIterator>
      void
      deque<_Tp, _Alloc>::
      _M_range_insert_aux(iterator __pos,
                          _ForwardIterator __first, _ForwardIterator __last,
                          std::forward_iterator_tag)
      {
        const size_type __n = std::distance(__first, __last);
        if (__pos._M_cur == this->_M_impl._M_start._M_cur)
	  {
	    iterator __new_start = _M_reserve_elements_at_front(__n);
	    try
	      {
		std::__uninitialized_copy_a(__first, __last, __new_start,
					    _M_get_Tp_allocator());
		this->_M_impl._M_start = __new_start;
	      }
	    catch(...)
	      {
		_M_destroy_nodes(__new_start._M_node,
				 this->_M_impl._M_start._M_node);
		__throw_exception_again;
	      }
	  }
        else if (__pos._M_cur == this->_M_impl._M_finish._M_cur)
	  {
	    iterator __new_finish = _M_reserve_elements_at_back(__n);
	    try
	      {
		std::__uninitialized_copy_a(__first, __last,
					    this->_M_impl._M_finish,
					    _M_get_Tp_allocator());
		this->_M_impl._M_finish = __new_finish;
	      }
	    catch(...)
	      {
		_M_destroy_nodes(this->_M_impl._M_finish._M_node + 1,
				 __new_finish._M_node + 1);
		__throw_exception_again;
	      }
	  }
        else
          _M_insert_aux(__pos, __first, __last, __n);
      }

  template<typename _Tp, typename _Alloc>
#ifdef __GXX_EXPERIMENTAL_CXX0X__
    template<typename... _Args>
      typename deque<_Tp, _Alloc>::iterator
      deque<_Tp, _Alloc>::
      _M_insert_aux(iterator __pos, _Args&&... __args)
      {
	value_type __x_copy(std::forward<_Args>(__args)...); // XXX copy
#else
    typename deque<_Tp, _Alloc>::iterator
      deque<_Tp, _Alloc>::
      _M_insert_aux(iterator __pos, const value_type& __x)
      {
	value_type __x_copy = __x; // XXX copy
#endif
	difference_type __index = __pos - this->_M_impl._M_start;
	if (static_cast<size_type>(__index) < size() / 2)
	  {
	    push_front(_GLIBCXX_MOVE(front()));
	    iterator __front1 = this->_M_impl._M_start;
	    ++__front1;
	    iterator __front2 = __front1;
	    ++__front2;
	    __pos = this->_M_impl._M_start + __index;
	    iterator __pos1 = __pos;
	    ++__pos1;
	    _GLIBCXX_MOVE3(__front2, __pos1, __front1);
	  }
	else
	  {
	    push_back(_GLIBCXX_MOVE(back()));
	    iterator __back1 = this->_M_impl._M_finish;
	    --__back1;
	    iterator __back2 = __back1;
	    --__back2;
	    __pos = this->_M_impl._M_start + __index;
	    _GLIBCXX_MOVE_BACKWARD3(__pos, __back2, __back1);
	  }
	*__pos = _GLIBCXX_MOVE(__x_copy);
	return __pos;
      }

  template <typename _Tp, typename _Alloc>
    void
    deque<_Tp, _Alloc>::
    _M_insert_aux(iterator __pos, size_type __n, const value_type& __x)
    {
      const difference_type __elems_before = __pos - this->_M_impl._M_start;
      const size_type __length = this->size();
      value_type __x_copy = __x;
      if (__elems_before < difference_type(__length / 2))
	{
	  iterator __new_start = _M_reserve_elements_at_front(__n);
	  iterator __old_start = this->_M_impl._M_start;
	  __pos = this->_M_impl._M_start + __elems_before;
	  try
	    {
	      if (__elems_before >= difference_type(__n))
		{
		  iterator __start_n = (this->_M_impl._M_start
					+ difference_type(__n));
		  std::__uninitialized_move_a(this->_M_impl._M_start,
					      __start_n, __new_start,
					      _M_get_Tp_allocator());
		  this->_M_impl._M_start = __new_start;
		  _GLIBCXX_MOVE3(__start_n, __pos, __old_start);
		  std::fill(__pos - difference_type(__n), __pos, __x_copy);
		}
	      else
		{
		  std::__uninitialized_move_fill(this->_M_impl._M_start,
						 __pos, __new_start,
						 this->_M_impl._M_start,
						 __x_copy,
						 _M_get_Tp_allocator());
		  this->_M_impl._M_start = __new_start;
		  std::fill(__old_start, __pos, __x_copy);
		}
	    }
	  catch(...)
	    {
	      _M_destroy_nodes(__new_start._M_node,
			       this->_M_impl._M_start._M_node);
	      __throw_exception_again;
	    }
	}
      else
	{
	  iterator __new_finish = _M_reserve_elements_at_back(__n);
	  iterator __old_finish = this->_M_impl._M_finish;
	  const difference_type __elems_after =
	    difference_type(__length) - __elems_before;
	  __pos = this->_M_impl._M_finish - __elems_after;
	  try
	    {
	      if (__elems_after > difference_type(__n))
		{
		  iterator __finish_n = (this->_M_impl._M_finish
					 - difference_type(__n));
		  std::__uninitialized_move_a(__finish_n,
					      this->_M_impl._M_finish,
					      this->_M_impl._M_finish,
					      _M_get_Tp_allocator());
		  this->_M_impl._M_finish = __new_finish;
		  _GLIBCXX_MOVE_BACKWARD3(__pos, __finish_n, __old_finish);
		  std::fill(__pos, __pos + difference_type(__n), __x_copy);
		}
	      else
		{
		  std::__uninitialized_fill_move(this->_M_impl._M_finish,
						 __pos + difference_type(__n),
						 __x_copy, __pos,
						 this->_M_impl._M_finish,
						 _M_get_Tp_allocator());
		  this->_M_impl._M_finish = __new_finish;
		  std::fill(__pos, __old_finish, __x_copy);
		}
	    }
	  catch(...)
	    {
	      _M_destroy_nodes(this->_M_impl._M_finish._M_node + 1,
			       __new_finish._M_node + 1);
	      __throw_exception_again;
	    }
	}
    }

  template <typename _Tp, typename _Alloc>
    template <typename _ForwardIterator>
      void
      deque<_Tp, _Alloc>::
      _M_insert_aux(iterator __pos,
                    _ForwardIterator __first, _ForwardIterator __last,
                    size_type __n)
      {
        const difference_type __elemsbefore = __pos - this->_M_impl._M_start;
        const size_type __length = size();
        if (static_cast<size_type>(__elemsbefore) < __length / 2)
	  {
	    iterator __new_start = _M_reserve_elements_at_front(__n);
	    iterator __old_start = this->_M_impl._M_start;
	    __pos = this->_M_impl._M_start + __elemsbefore;
	    try
	      {
		if (__elemsbefore >= difference_type(__n))
		  {
		    iterator __start_n = (this->_M_impl._M_start
					  + difference_type(__n));
		    std::__uninitialized_move_a(this->_M_impl._M_start,
						__start_n, __new_start,
						_M_get_Tp_allocator());
		    this->_M_impl._M_start = __new_start;
		    _GLIBCXX_MOVE3(__start_n, __pos, __old_start);
		    std::copy(__first, __last, __pos - difference_type(__n));
		  }
		else
		  {
		    _ForwardIterator __mid = __first;
		    std::advance(__mid, difference_type(__n) - __elemsbefore);
		    std::__uninitialized_move_copy(this->_M_impl._M_start,
						   __pos, __first, __mid,
						   __new_start,
						   _M_get_Tp_allocator());
		    this->_M_impl._M_start = __new_start;
		    std::copy(__mid, __last, __old_start);
		  }
	      }
	    catch(...)
	      {
		_M_destroy_nodes(__new_start._M_node,
				 this->_M_impl._M_start._M_node);
		__throw_exception_again;
	      }
	  }
        else
        {
          iterator __new_finish = _M_reserve_elements_at_back(__n);
          iterator __old_finish = this->_M_impl._M_finish;
          const difference_type __elemsafter =
            difference_type(__length) - __elemsbefore;
          __pos = this->_M_impl._M_finish - __elemsafter;
          try
            {
              if (__elemsafter > difference_type(__n))
		{
		  iterator __finish_n = (this->_M_impl._M_finish
					 - difference_type(__n));
		  std::__uninitialized_move_a(__finish_n,
					      this->_M_impl._M_finish,
					      this->_M_impl._M_finish,
					      _M_get_Tp_allocator());
		  this->_M_impl._M_finish = __new_finish;
		  _GLIBCXX_MOVE_BACKWARD3(__pos, __finish_n, __old_finish);
		  std::copy(__first, __last, __pos);
		}
              else
		{
		  _ForwardIterator __mid = __first;
		  std::advance(__mid, __elemsafter);
		  std::__uninitialized_copy_move(__mid, __last, __pos,
						 this->_M_impl._M_finish,
						 this->_M_impl._M_finish,
						 _M_get_Tp_allocator());
		  this->_M_impl._M_finish = __new_finish;
		  std::copy(__first, __mid, __pos);
		}
            }
          catch(...)
            {
              _M_destroy_nodes(this->_M_impl._M_finish._M_node + 1,
			       __new_finish._M_node + 1);
              __throw_exception_again;
            }
        }
      }

   template<typename _Tp, typename _Alloc>
     void
     deque<_Tp, _Alloc>::
     _M_destroy_data_aux(iterator __first, iterator __last)
     {
       for (_Map_pointer __node = __first._M_node + 1;
	    __node < __last._M_node; ++__node)
	 std::_Destroy(*__node, *__node + _S_buffer_size(),
		       _M_get_Tp_allocator());

       if (__first._M_node != __last._M_node)
	 {
	   std::_Destroy(__first._M_cur, __first._M_last,
			 _M_get_Tp_allocator());
	   std::_Destroy(__last._M_first, __last._M_cur,
			 _M_get_Tp_allocator());
	 }
       else
	 std::_Destroy(__first._M_cur, __last._M_cur,
		       _M_get_Tp_allocator());
     }

  template <typename _Tp, typename _Alloc>
    void
    deque<_Tp, _Alloc>::
    _M_new_elements_at_front(size_type __new_elems)
    {
      if (this->max_size() - this->size() < __new_elems)
	__throw_length_error(__N("deque::_M_new_elements_at_front"));

      const size_type __new_nodes = ((__new_elems + _S_buffer_size() - 1)
				     / _S_buffer_size());
      _M_reserve_map_at_front(__new_nodes);
      size_type __i;
      try
        {
          for (__i = 1; __i <= __new_nodes; ++__i)
            *(this->_M_impl._M_start._M_node - __i) = this->_M_allocate_node();
        }
      catch(...)
        {
          for (size_type __j = 1; __j < __i; ++__j)
            _M_deallocate_node(*(this->_M_impl._M_start._M_node - __j));
          __throw_exception_again;
        }
    }

  template <typename _Tp, typename _Alloc>
    void
    deque<_Tp, _Alloc>::
    _M_new_elements_at_back(size_type __new_elems)
    {
      if (this->max_size() - this->size() < __new_elems)
	__throw_length_error(__N("deque::_M_new_elements_at_back"));

      const size_type __new_nodes = ((__new_elems + _S_buffer_size() - 1)
				     / _S_buffer_size());
      _M_reserve_map_at_back(__new_nodes);
      size_type __i;
      try
        {
          for (__i = 1; __i <= __new_nodes; ++__i)
            *(this->_M_impl._M_finish._M_node + __i) = this->_M_allocate_node();
        }
      catch(...)
        {
          for (size_type __j = 1; __j < __i; ++__j)
            _M_deallocate_node(*(this->_M_impl._M_finish._M_node + __j));
          __throw_exception_again;
        }
    }

  template <typename _Tp, typename _Alloc>
    void
    deque<_Tp, _Alloc>::
    _M_reallocate_map(size_type __nodes_to_add, bool __add_at_front)
    {
      const size_type __old_num_nodes
	= this->_M_impl._M_finish._M_node - this->_M_impl._M_start._M_node + 1;
      const size_type __new_num_nodes = __old_num_nodes + __nodes_to_add;

      _Map_pointer __new_nstart;
      if (this->_M_impl._M_map_size > 2 * __new_num_nodes)
	{
	  __new_nstart = this->_M_impl._M_map + (this->_M_impl._M_map_size
					 - __new_num_nodes) / 2
	                 + (__add_at_front ? __nodes_to_add : 0);
	  if (__new_nstart < this->_M_impl._M_start._M_node)
	    std::copy(this->_M_impl._M_start._M_node,
		      this->_M_impl._M_finish._M_node + 1,
		      __new_nstart);
	  else
	    std::copy_backward(this->_M_impl._M_start._M_node,
			       this->_M_impl._M_finish._M_node + 1,
			       __new_nstart + __old_num_nodes);
	}
      else
	{
	  size_type __new_map_size = this->_M_impl._M_map_size
	                             + std::max(this->_M_impl._M_map_size,
						__nodes_to_add) + 2;

	  _Map_pointer __new_map = this->_M_allocate_map(__new_map_size);
	  __new_nstart = __new_map + (__new_map_size - __new_num_nodes) / 2
	                 + (__add_at_front ? __nodes_to_add : 0);
	  std::copy(this->_M_impl._M_start._M_node,
		    this->_M_impl._M_finish._M_node + 1,
		    __new_nstart);
	  _M_deallocate_map(this->_M_impl._M_map, this->_M_impl._M_map_size);

	  this->_M_impl._M_map = __new_map;
	  this->_M_impl._M_map_size = __new_map_size;
	}

      this->_M_impl._M_start._M_set_node(__new_nstart);
      this->_M_impl._M_finish._M_set_node(__new_nstart + __old_num_nodes - 1);
    }

  // Overload for deque::iterators, exploiting the "segmented-iterator
  // optimization".  NB: leave const_iterators alone!
  template<typename _Tp>
    void
    fill(const _Deque_iterator<_Tp, _Tp&, _Tp*>& __first,
	 const _Deque_iterator<_Tp, _Tp&, _Tp*>& __last, const _Tp& __value)
    {
      typedef typename _Deque_iterator<_Tp, _Tp&, _Tp*>::_Self _Self;

      for (typename _Self::_Map_pointer __node = __first._M_node + 1;
           __node < __last._M_node; ++__node)
	std::fill(*__node, *__node + _Self::_S_buffer_size(), __value);

      if (__first._M_node != __last._M_node)
	{
	  std::fill(__first._M_cur, __first._M_last, __value);
	  std::fill(__last._M_first, __last._M_cur, __value);
	}
      else
	std::fill(__first._M_cur, __last._M_cur, __value);
    }

_GLIBCXX_END_NESTED_NAMESPACE

#endif
// List implementation (out of line) -*- C++ -*-

// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/*
 *
 * Copyright (c) 1994
 * Hewlett-Packard Company
 *
 * Permission to use, copy, modify, distribute and sell this software
 * and its documentation for any purpose is hereby granted without fee,
 * provided that the above copyright notice appear in all copies and
 * that both that copyright notice and this permission notice appear
 * in supporting documentation.  Hewlett-Packard Company makes no
 * representations about the suitability of this software for any
 * purpose.  It is provided "as is" without express or implied warranty.
 *
 *
 * Copyright (c) 1996,1997
 * Silicon Graphics Computer Systems, Inc.
 *
 * Permission to use, copy, modify, distribute and sell this software
 * and its documentation for any purpose is hereby granted without fee,
 * provided that the above copyright notice appear in all copies and
 * that both that copyright notice and this permission notice appear
 * in supporting documentation.  Silicon Graphics makes no
 * representations about the suitability of this software for any
 * purpose.  It is provided "as is" without express or implied warranty.
 */

/** @file list.tcc
 *  This is an internal header file, included by other library headers.
 *  You should not attempt to use it directly.
 */

#ifndef _LIST_TCC
#define _LIST_TCC 1

_GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D)

  template<typename _Tp, typename _Alloc>
    void
    _List_base<_Tp, _Alloc>::
    _M_clear()
    {
      typedef _List_node<_Tp>  _Node;
      _Node* __cur = static_cast<_Node*>(this->_M_impl._M_node._M_next);
      while (__cur != &this->_M_impl._M_node)
	{
	  _Node* __tmp = __cur;
	  __cur = static_cast<_Node*>(__cur->_M_next);
	  _M_get_Tp_allocator().destroy(&__tmp->_M_data);
	  _M_put_node(__tmp);
	}
    }

#ifdef __GXX_EXPERIMENTAL_CXX0X__
  template<typename _Tp, typename _Alloc>
    template<typename... _Args>
      typename list<_Tp, _Alloc>::iterator
      list<_Tp, _Alloc>::
      emplace(iterator __position, _Args&&... __args)
      {
	_Node* __tmp = _M_create_node(std::forward<_Args>(__args)...);
	__tmp->hook(__position._M_node);
	return iterator(__tmp);
      }
#endif

  template<typename _Tp, typename _Alloc>
    typename list<_Tp, _Alloc>::iterator
    list<_Tp, _Alloc>::
    insert(iterator __position, const value_type& __x)
    {
      _Node* __tmp = _M_create_node(__x);
      __tmp->hook(__position._M_node);
      return iterator(__tmp);
    }

  template<typename _Tp, typename _Alloc>
    typename list<_Tp, _Alloc>::iterator
    list<_Tp, _Alloc>::
    erase(iterator __position)
    {
      iterator __ret = iterator(__position._M_node->_M_next);
      _M_erase(__position);
      return __ret;
    }

  template<typename _Tp, typename _Alloc>
    void
    list<_Tp, _Alloc>::
    resize(size_type __new_size, value_type __x)
    {
      iterator __i = begin();
      size_type __len = 0;
      for (; __i != end() && __len < __new_size; ++__i, ++__len)
        ;
      if (__len == __new_size)
        erase(__i, end());
      else                          // __i == end()
        insert(end(), __new_size - __len, __x);
    }

  template<typename _Tp, typename _Alloc>
    list<_Tp, _Alloc>&
    list<_Tp, _Alloc>::
    operator=(const list& __x)
    {
      if (this != &__x)
	{
	  iterator __first1 = begin();
	  iterator __last1 = end();
	  const_iterator __first2 = __x.begin();
	  const_iterator __last2 = __x.end();
	  for (; __first1 != __last1 && __first2 != __last2;
	       ++__first1, ++__first2)
	    *__first1 = *__first2;
	  if (__first2 == __last2)
	    erase(__first1, __last1);
	  else
	    insert(__last1, __first2, __last2);
	}
      return *this;
    }

  template<typename _Tp, typename _Alloc>
    void
    list<_Tp, _Alloc>::
    _M_fill_assign(size_type __n, const value_type& __val)
    {
      iterator __i = begin();
      for (; __i != end() && __n > 0; ++__i, --__n)
        *__i = __val;
      if (__n > 0)
        insert(end(), __n, __val);
      else
        erase(__i, end());
    }

  template<typename _Tp, typename _Alloc>
    template <typename _InputIterator>
      void
      list<_Tp, _Alloc>::
      _M_assign_dispatch(_InputIterator __first2, _InputIterator __last2,
			 __false_type)
      {
        iterator __first1 = begin();
        iterator __last1 = end();
        for (; __first1 != __last1 && __first2 != __last2;
	     ++__first1, ++__first2)
          *__first1 = *__first2;
        if (__first2 == __last2)
          erase(__first1, __last1);
        else
          insert(__last1, __first2, __last2);
      }

  template<typename _Tp, typename _Alloc>
    void
    list<_Tp, _Alloc>::
    remove(const value_type& __value)
    {
      iterator __first = begin();
      iterator __last = end();
      iterator __extra = __last;
      while (__first != __last)
	{
	  iterator __next = __first;
	  ++__next;
	  if (*__first == __value)
	    {
	      // _GLIBCXX_RESOLVE_LIB_DEFECTS
	      // 526. Is it undefined if a function in the standard changes
	      // in parameters?
	      if (&*__first != &__value)
		_M_erase(__first);
	      else
		__extra = __first;
	    }
	  __first = __next;
	}
      if (__extra != __last)
	_M_erase(__extra);
    }

  template<typename _Tp, typename _Alloc>
    void
    list<_Tp, _Alloc>::
    unique()
    {
      iterator __first = begin();
      iterator __last = end();
      if (__first == __last)
	return;
      iterator __next = __first;
      while (++__next != __last)
	{
	  if (*__first == *__next)
	    _M_erase(__next);
	  else
	    __first = __next;
	  __next = __first;
	}
    }

  template<typename _Tp, typename _Alloc>
    void
    list<_Tp, _Alloc>::
#ifdef __GXX_EXPERIMENTAL_CXX0X__
    merge(list&& __x)
#else
    merge(list& __x)
#endif
    {
      // _GLIBCXX_RESOLVE_LIB_DEFECTS
      // 300. list::merge() specification incomplete
      if (this != &__x)
	{
	  _M_check_equal_allocators(__x); 

	  iterator __first1 = begin();
	  iterator __last1 = end();
	  iterator __first2 = __x.begin();
	  iterator __last2 = __x.end();
	  while (__first1 != __last1 && __first2 != __last2)
	    if (*__first2 < *__first1)
	      {
		iterator __next = __first2;
		_M_transfer(__first1, __first2, ++__next);
		__first2 = __next;
	      }
	    else
	      ++__first1;
	  if (__first2 != __last2)
	    _M_transfer(__last1, __first2, __last2);
	}
    }

  template<typename _Tp, typename _Alloc>
    template <typename _StrictWeakOrdering>
      void
      list<_Tp, _Alloc>::
#ifdef __GXX_EXPERIMENTAL_CXX0X__
      merge(list&& __x, _StrictWeakOrdering __comp)
#else
      merge(list& __x, _StrictWeakOrdering __comp)
#endif
      {
	// _GLIBCXX_RESOLVE_LIB_DEFECTS
	// 300. list::merge() specification incomplete
	if (this != &__x)
	  {
	    _M_check_equal_allocators(__x);

	    iterator __first1 = begin();
	    iterator __last1 = end();
	    iterator __first2 = __x.begin();
	    iterator __last2 = __x.end();
	    while (__first1 != __last1 && __first2 != __last2)
	      if (__comp(*__first2, *__first1))
		{
		  iterator __next = __first2;
		  _M_transfer(__first1, __first2, ++__next);
		  __first2 = __next;
		}
	      else
		++__first1;
	    if (__first2 != __last2)
	      _M_transfer(__last1, __first2, __last2);
	  }
      }

  template<typename _Tp, typename _Alloc>
    void
    list<_Tp, _Alloc>::
    sort()
    {
      // Do nothing if the list has length 0 or 1.
      if (this->_M_impl._M_node._M_next != &this->_M_impl._M_node
	  && this->_M_impl._M_node._M_next->_M_next != &this->_M_impl._M_node)
      {
        list __carry;
        list __tmp[64];
        list * __fill = &__tmp[0];
        list * __counter;

        do
	  {
	    __carry.splice(__carry.begin(), *this, begin());

	    for(__counter = &__tmp[0];
		__counter != __fill && !__counter->empty();
		++__counter)
	      {
		__counter->merge(__carry);
		__carry.swap(*__counter);
	      }
	    __carry.swap(*__counter);
	    if (__counter == __fill)
	      ++__fill;
	  }
	while ( !empty() );

        for (__counter = &__tmp[1]; __counter != __fill; ++__counter)
          __counter->merge(*(__counter - 1));
        swap( *(__fill - 1) );
      }
    }

  template<typename _Tp, typename _Alloc>
    template <typename _Predicate>
      void
      list<_Tp, _Alloc>::
      remove_if(_Predicate __pred)
      {
        iterator __first = begin();
        iterator __last = end();
        while (__first != __last)
	  {
	    iterator __next = __first;
	    ++__next;
	    if (__pred(*__first))
	      _M_erase(__first);
	    __first = __next;
	  }
      }

  template<typename _Tp, typename _Alloc>
    template <typename _BinaryPredicate>
      void
      list<_Tp, _Alloc>::
      unique(_BinaryPredicate __binary_pred)
      {
        iterator __first = begin();
        iterator __last = end();
        if (__first == __last)
	  return;
        iterator __next = __first;
        while (++__next != __last)
	  {
	    if (__binary_pred(*__first, *__next))
	      _M_erase(__next);
	    else
	      __first = __next;
	    __next = __first;
	  }
      }

  template<typename _Tp, typename _Alloc>
    template <typename _StrictWeakOrdering>
      void
      list<_Tp, _Alloc>::
      sort(_StrictWeakOrdering __comp)
      {
	// Do nothing if the list has length 0 or 1.
	if (this->_M_impl._M_node._M_next != &this->_M_impl._M_node
	    && this->_M_impl._M_node._M_next->_M_next != &this->_M_impl._M_node)
	  {
	    list __carry;
	    list __tmp[64];
	    list * __fill = &__tmp[0];
	    list * __counter;

	    do
	      {
		__carry.splice(__carry.begin(), *this, begin());

		for(__counter = &__tmp[0];
		    __counter != __fill && !__counter->empty();
		    ++__counter)
		  {
		    __counter->merge(__carry, __comp);
		    __carry.swap(*__counter);
		  }
		__carry.swap(*__counter);
		if (__counter == __fill)
		  ++__fill;
	      }
	    while ( !empty() );

	    for (__counter = &__tmp[1]; __counter != __fill; ++__counter)
	      __counter->merge(*(__counter - 1), __comp);
	    swap(*(__fill - 1));
	  }
      }

_GLIBCXX_END_NESTED_NAMESPACE

#endif /* _LIST_TCC */

// Helpers for ostream inserters -*- C++ -*-

// Copyright (C) 2007 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

/** @file ostream_insert.h
 *  This is an internal header file, included by other library headers.
 *  You should not attempt to use it directly.
 */

#ifndef _OSTREAM_INSERT_H
#define _OSTREAM_INSERT_H 1

#pragma GCC system_header

#include <iosfwd>
#include <cxxabi-forced.h>

_GLIBCXX_BEGIN_NAMESPACE(std)

  template<typename _CharT, typename _Traits>
    inline void
    __ostream_write(basic_ostream<_CharT, _Traits>& __out,
		    const _CharT* __s, streamsize __n)
    {
      typedef basic_ostream<_CharT, _Traits>       __ostream_type;      
      typedef typename __ostream_type::ios_base    __ios_base;

      const streamsize __put = __out.rdbuf()->sputn(__s, __n);
      if (__put != __n)
	__out.setstate(__ios_base::badbit);
    }

  template<typename _CharT, typename _Traits>
    inline void
    __ostream_fill(basic_ostream<_CharT, _Traits>& __out, streamsize __n)
    {
      typedef basic_ostream<_CharT, _Traits>       __ostream_type;      
      typedef typename __ostream_type::ios_base    __ios_base;

      const _CharT __c = __out.fill();
      for (; __n > 0; --__n)
	{
	  const typename _Traits::int_type __put = __out.rdbuf()->sputc(__c);
	  if (_Traits::eq_int_type(__put, _Traits::eof()))
	    {
	      __out.setstate(__ios_base::badbit);
	      break;
	    }
	}
    }

  template<typename _CharT, typename _Traits>
    basic_ostream<_CharT, _Traits>&
    __ostream_insert(basic_ostream<_CharT, _Traits>& __out,
		     const _CharT* __s, streamsize __n)
    {
      typedef basic_ostream<_CharT, _Traits>       __ostream_type;
      typedef typename __ostream_type::ios_base    __ios_base;

      typename __ostream_type::sentry __cerb(__out);
      if (__cerb)
	{
	  try
	    {
	      const streamsize __w = __out.width();
	      if (__w > __n)
		{
		  const bool __left = ((__out.flags()
					& __ios_base::adjustfield)
				       == __ios_base::left);
		  if (!__left)
		    __ostream_fill(__out, __w - __n);
		  if (__out.good())
		    __ostream_write(__out, __s, __n);
		  if (__left && __out.good())
		    __ostream_fill(__out, __w - __n);
		}
	      else
		__ostream_write(__out, __s, __n);
	      __out.width(0);
	    }
	  catch(__cxxabiv1::__forced_unwind&)
	    {
	      __out._M_setstate(__ios_base::badbit);
	      __throw_exception_again;
	    }
	  catch(...)
	    { __out._M_setstate(__ios_base::badbit); }
	}
      return __out;
    }

  // Inhibit implicit instantiations for required instantiations,
  // which are defined via explicit instantiations elsewhere.
  // NB:  This syntax is a GNU extension.
#if _GLIBCXX_EXTERN_TEMPLATE
  extern template ostream& __ostream_insert(ostream&, const char*, streamsize);

#ifdef _GLIBCXX_USE_WCHAR_T
  extern template wostream& __ostream_insert(wostream&, const wchar_t*,
					     streamsize);
#endif
#endif

_GLIBCXX_END_NAMESPACE

#endif /* _OSTREAM_INSERT_H */
// -*- C++ -*- C math library.

// Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this library; see the file COPYING.  If not, write to
// the Free Software Foundation, 51 Franklin Street, Fifth Floor,
// Boston, MA 02110-1301, USA.

// As a special exception, you may use this file as part of a free software
// library without restriction.  Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License.  This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.

// This file was written by Gabriel Dos Reis <gdr@codesourcery.com>

/** @file cmath.tcc
 *  This is a Standard C++ Library file.
 */

#ifndef _GLIBCXX_CMATH_TCC
#define _GLIBCXX_CMATH_TCC 1

_GLIBCXX_BEGIN_NAMESPACE(std)

  template<typename _Tp>
    inline _Tp
    __cmath_power(_Tp __x, unsigned int __n)
    {
      _Tp __y = __n % 2 ? __x : _Tp(1);

      while (__n >>= 1)
        {
          __x = __x * __x;
          if (__n % 2)
            __y = __y * __x;
        }

      return __y;
    }

_GLIBCXX_END_NAMESPACE

#endif
// Locale support -*- C++ -*-

// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
// 2006, 2007
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING.  If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.

// As a special exception, you may use this file as part of a free software
// library without restri