gcc/libstdc++-v3/include/bits/stl_bvector.h

// bit_vector and vector<bool> specialization -*- C++ -*-

// Copyright (C) 2001, 2002, 2003 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// 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) 1996-1999
 * 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 stl_bvector.h
 *  This is an internal header file, included by other library headers.
 *  You should not attempt to use it directly.
 */

#ifndef __GLIBCPP_INTERNAL_BVECTOR_H
#define __GLIBCPP_INTERNAL_BVECTOR_H

namespace std
{ 
  typedef unsigned long _Bit_type;
  enum { _M_word_bit = int(CHAR_BIT * sizeof(_Bit_type)) };

struct _Bit_reference {

  _Bit_type * _M_p;
  _Bit_type _M_mask;
  _Bit_reference(_Bit_type * __x, _Bit_type __y) 
    : _M_p(__x), _M_mask(__y) {}

public:
  _Bit_reference() : _M_p(0), _M_mask(0) {}
  operator bool() const { return !!(*_M_p & _M_mask); }
  _Bit_reference& operator=(bool __x)
  {
    if (__x)  *_M_p |= _M_mask;
    else      *_M_p &= ~_M_mask;
    return *this;
  }
  _Bit_reference& operator=(const _Bit_reference& __x) 
    { return *this = bool(__x); }
  bool operator==(const _Bit_reference& __x) const
    { return bool(*this) == bool(__x); }
  bool operator<(const _Bit_reference& __x) const
    { return !bool(*this) && bool(__x); }
  void flip() { *_M_p ^= _M_mask; }
};

struct _Bit_iterator_base : public iterator<random_access_iterator_tag, bool>
{
  _Bit_type * _M_p;
  unsigned int _M_offset;

  _Bit_iterator_base(_Bit_type * __x, unsigned int __y)
    : _M_p(__x), _M_offset(__y) {}

  void _M_bump_up() {
    if (_M_offset++ == _M_word_bit - 1) {
      _M_offset = 0;
      ++_M_p;
    }
  }
  void _M_bump_down() {
    if (_M_offset-- == 0) {
      _M_offset = _M_word_bit - 1;
      --_M_p;
    }
  }

  void _M_incr(ptrdiff_t __i) {
    difference_type __n = __i + _M_offset;
    _M_p += __n / _M_word_bit;
    __n = __n % _M_word_bit;
    if (__n < 0) {
      _M_offset = (unsigned int) __n + _M_word_bit;
      --_M_p;
    } else
      _M_offset = (unsigned int) __n;
  }

  bool operator==(const _Bit_iterator_base& __i) const {
    return _M_p == __i._M_p && _M_offset == __i._M_offset;
  }
  bool operator<(const _Bit_iterator_base& __i) const {
    return _M_p < __i._M_p || (_M_p == __i._M_p && _M_offset < __i._M_offset);
  }
  bool operator!=(const _Bit_iterator_base& __i) const {
    return !(*this == __i);
  }
  bool operator>(const _Bit_iterator_base& __i) const {
    return __i < *this;
  }
  bool operator<=(const _Bit_iterator_base& __i) const {
    return !(__i < *this); 
  }
  bool operator>=(const _Bit_iterator_base& __i) const {
    return !(*this < __i);
  }
};

inline ptrdiff_t
operator-(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y) {
  return _M_word_bit * (__x._M_p - __y._M_p) + __x._M_offset - __y._M_offset;
}


struct _Bit_iterator : public _Bit_iterator_base
{
  typedef _Bit_reference  reference;
  typedef _Bit_reference* pointer;
  typedef _Bit_iterator   iterator;

  _Bit_iterator() : _Bit_iterator_base(0, 0) {}
  _Bit_iterator(_Bit_type * __x, unsigned int __y) 
    : _Bit_iterator_base(__x, __y) {}

  reference operator*() const { return reference(_M_p, 1UL << _M_offset); }
  iterator& operator++() {
    _M_bump_up();
    return *this;
  }
  iterator operator++(int) {
    iterator __tmp = *this;
    _M_bump_up();
    return __tmp;
  }
  iterator& operator--() {
    _M_bump_down();
    return *this;
  }
  iterator operator--(int) {
    iterator __tmp = *this;
    _M_bump_down();
    return __tmp;
  }
  iterator& operator+=(difference_type __i) {
    _M_incr(__i);
    return *this;
  }
  iterator& operator-=(difference_type __i) {
    *this += -__i;
    return *this;
  }
  iterator operator+(difference_type __i) const {
    iterator __tmp = *this;
    return __tmp += __i;
  }
  iterator operator-(difference_type __i) const {
    iterator __tmp = *this;
    return __tmp -= __i;
  }

  reference operator[](difference_type __i) { return *(*this + __i); }
};

inline _Bit_iterator 
operator+(ptrdiff_t __n, const _Bit_iterator& __x) { return __x + __n; }


struct _Bit_const_iterator : public _Bit_iterator_base
{
  typedef bool                 reference;
  typedef bool                 const_reference;
  typedef const bool*          pointer;
  typedef _Bit_const_iterator  const_iterator;

  _Bit_const_iterator() : _Bit_iterator_base(0, 0) {}
  _Bit_const_iterator(_Bit_type * __x, unsigned int __y) 
    : _Bit_iterator_base(__x, __y) {}
  _Bit_const_iterator(const _Bit_iterator& __x) 
    : _Bit_iterator_base(__x._M_p, __x._M_offset) {}

  const_reference operator*() const {
    return _Bit_reference(_M_p, 1UL << _M_offset);
  }
  const_iterator& operator++() {
    _M_bump_up();
    return *this;
  }
  const_iterator operator++(int) {
    const_iterator __tmp = *this;
    _M_bump_up();
    return __tmp;
  }
  const_iterator& operator--() {
    _M_bump_down();
    return *this;
  }
  const_iterator operator--(int) {
    const_iterator __tmp = *this;
    _M_bump_down();
    return __tmp;
  }
  const_iterator& operator+=(difference_type __i) {
    _M_incr(__i);
    return *this;
  }
  const_iterator& operator-=(difference_type __i) {
    *this += -__i;
    return *this;
  }
  const_iterator operator+(difference_type __i) const {
    const_iterator __tmp = *this;
    return __tmp += __i;
  }
  const_iterator operator-(difference_type __i) const {
    const_iterator __tmp = *this;
    return __tmp -= __i;
  }
  const_reference operator[](difference_type __i) { 
    return *(*this + __i); 
  }
};

inline _Bit_const_iterator 
operator+(ptrdiff_t __n, const _Bit_const_iterator& __x) { return __x + __n; }


// Bit-vector base class, which encapsulates the difference between
// old SGI-style allocators and standard-conforming allocators.

// Base class for ordinary allocators.
template <class _Allocator, bool __is_static>
class _Bvector_alloc_base {
public:
  typedef typename _Alloc_traits<bool, _Allocator>::allocator_type
          allocator_type;
  allocator_type get_allocator() const { return _M_data_allocator; }

  _Bvector_alloc_base(const allocator_type& __a)
    : _M_data_allocator(__a), _M_start(), _M_finish(), _M_end_of_storage(0) {}

protected:
  _Bit_type * _M_bit_alloc(size_t __n) 
    { return _M_data_allocator.allocate((__n + _M_word_bit - 1)/_M_word_bit); }
  void _M_deallocate() {
    if (_M_start._M_p)
      _M_data_allocator.deallocate(_M_start._M_p, 
                                   _M_end_of_storage - _M_start._M_p);
  }  

  typename _Alloc_traits<_Bit_type, _Allocator>::allocator_type 
          _M_data_allocator;
  _Bit_iterator _M_start;
  _Bit_iterator _M_finish;
  _Bit_type * _M_end_of_storage;
};

// Specialization for instanceless allocators.
template <class _Allocator>
class _Bvector_alloc_base<_Allocator, true> {
public:
  typedef typename _Alloc_traits<bool, _Allocator>::allocator_type
          allocator_type;
  allocator_type get_allocator() const { return allocator_type(); }

  _Bvector_alloc_base(const allocator_type&)
    : _M_start(), _M_finish(), _M_end_of_storage(0) {}

protected:
  typedef typename _Alloc_traits<_Bit_type, _Allocator>::_Alloc_type
          _Alloc_type;
          
  _Bit_type * _M_bit_alloc(size_t __n) 
    { return _Alloc_type::allocate((__n + _M_word_bit - 1)/_M_word_bit); }
  void _M_deallocate() {
    if (_M_start._M_p)
      _Alloc_type::deallocate(_M_start._M_p,
                              _M_end_of_storage - _M_start._M_p);
  }  

  _Bit_iterator _M_start;
  _Bit_iterator _M_finish;
  _Bit_type * _M_end_of_storage;
};  

template <class _Alloc>
class _Bvector_base
  : public _Bvector_alloc_base<_Alloc,
                               _Alloc_traits<bool, _Alloc>::_S_instanceless>
{
  typedef _Bvector_alloc_base<_Alloc,
                              _Alloc_traits<bool, _Alloc>::_S_instanceless>
          _Base;
public:
  typedef typename _Base::allocator_type allocator_type;

  _Bvector_base(const allocator_type& __a) : _Base(__a) {}
  ~_Bvector_base() { _Base::_M_deallocate(); }
};

} // namespace std

// Declare a partial specialization of vector<T, Alloc>.
#include <bits/stl_vector.h>
namespace std
{

template <typename _Alloc> 
  class vector<bool, _Alloc> : public _Bvector_base<_Alloc> 
  {
  public:
    typedef bool value_type;
    typedef size_t size_type;
    typedef ptrdiff_t difference_type; 
    typedef _Bit_reference reference;
    typedef bool const_reference;
    typedef _Bit_reference* pointer;
    typedef const bool* const_pointer;
  
    typedef _Bit_iterator                iterator;
    typedef _Bit_const_iterator          const_iterator;
  
    typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
    typedef std::reverse_iterator<iterator> reverse_iterator;
  
    typedef typename _Bvector_base<_Alloc>::allocator_type allocator_type;
    allocator_type get_allocator() const {
      return _Bvector_base<_Alloc>::get_allocator();
    }
  
  protected:
    using _Bvector_base<_Alloc>::_M_bit_alloc;
    using _Bvector_base<_Alloc>::_M_deallocate;
    using _Bvector_base<_Alloc>::_M_start;
    using _Bvector_base<_Alloc>::_M_finish;
    using _Bvector_base<_Alloc>::_M_end_of_storage;
  
  protected:
    void _M_initialize(size_type __n) {
      _Bit_type * __q = _M_bit_alloc(__n);
      this->_M_end_of_storage = __q + (__n + _M_word_bit - 1)/_M_word_bit;
      this->_M_start = iterator(__q, 0);
      this->_M_finish = this->_M_start + difference_type(__n);
    }
    void _M_insert_aux(iterator __position, bool __x) {
      if (this->_M_finish._M_p != this->_M_end_of_storage) {
        copy_backward(__position, this->_M_finish, this->_M_finish + 1);
        *__position = __x;
        ++this->_M_finish;
      }
      else {
        size_type __len = size() 
	                  ? 2 * size() : static_cast<size_type>(_M_word_bit);
        _Bit_type * __q = _M_bit_alloc(__len);
        iterator __i = copy(begin(), __position, iterator(__q, 0));
        *__i++ = __x;
        this->_M_finish = copy(__position, end(), __i);
        _M_deallocate();
        this->_M_end_of_storage = __q + (__len + _M_word_bit - 1)/_M_word_bit;
        this->_M_start = iterator(__q, 0);
      }
    }
  
    template <class _InputIterator>
    void _M_initialize_range(_InputIterator __first, _InputIterator __last,
                             input_iterator_tag) {
      this->_M_start = iterator();
      this->_M_finish = iterator();
      this->_M_end_of_storage = 0;
      for ( ; __first != __last; ++__first) 
        push_back(*__first);
    }
  
    template <class _ForwardIterator>
    void _M_initialize_range(_ForwardIterator __first, _ForwardIterator __last,
                             forward_iterator_tag) {
      size_type __n = std::distance(__first, __last);
      _M_initialize(__n);
      copy(__first, __last, this->_M_start);
    }
  
    template <class _InputIterator>
    void _M_insert_range(iterator __pos,
                         _InputIterator __first, _InputIterator __last,
                         input_iterator_tag) {
      for ( ; __first != __last; ++__first) {
        __pos = insert(__pos, *__first);
        ++__pos;
      }
    }
  
    template <class _ForwardIterator>
    void _M_insert_range(iterator __position,
                         _ForwardIterator __first, _ForwardIterator __last,
                         forward_iterator_tag) {
      if (__first != __last) {
        size_type __n = std::distance(__first, __last);
        if (capacity() - size() >= __n) {
          copy_backward(__position, end(),
			this->_M_finish + difference_type(__n));
          copy(__first, __last, __position);
          this->_M_finish += difference_type(__n);
        }
        else {
          size_type __len = size() + std::max(size(), __n);
          _Bit_type * __q = _M_bit_alloc(__len);
          iterator __i = copy(begin(), __position, iterator(__q, 0));
          __i = copy(__first, __last, __i);
          this->_M_finish = copy(__position, end(), __i);
          _M_deallocate();
          this->_M_end_of_storage
	    = __q + (__len + _M_word_bit - 1)/_M_word_bit;
          this->_M_start = iterator(__q, 0);
        }
      }
    }      
  
  public:
    iterator begin() { return this->_M_start; }
    const_iterator begin() const { return this->_M_start; }
    iterator end() { return this->_M_finish; }
    const_iterator end() const { return this->_M_finish; }
  
    reverse_iterator rbegin() { return reverse_iterator(end()); }
    const_reverse_iterator rbegin() const { 
      return const_reverse_iterator(end()); 
    }
    reverse_iterator rend() { return reverse_iterator(begin()); }
    const_reverse_iterator rend() const { 
      return const_reverse_iterator(begin()); 
    }
  
    size_type size() const { return size_type(end() - begin()); }
    size_type max_size() const { return size_type(-1); }
    size_type capacity() const {
      return size_type(const_iterator(this->_M_end_of_storage, 0) - begin());
    }
    bool empty() const { return begin() == end(); }
  
    reference operator[](size_type __n)
      { return *(begin() + difference_type(__n)); }
    const_reference operator[](size_type __n) const
      { return *(begin() + difference_type(__n)); }
  
    void _M_range_check(size_type __n) const {
      if (__n >= this->size())
        __throw_out_of_range("vector<bool>");
    }
  
    reference at(size_type __n)
      { _M_range_check(__n); return (*this)[__n]; }
    const_reference at(size_type __n) const
      { _M_range_check(__n); return (*this)[__n]; }
  
    explicit vector(const allocator_type& __a = allocator_type())
      : _Bvector_base<_Alloc>(__a) {}
  
    vector(size_type __n, bool __value,
              const allocator_type& __a = allocator_type())
      : _Bvector_base<_Alloc>(__a)
    {
      _M_initialize(__n);
      fill(this->_M_start._M_p, this->_M_end_of_storage, __value ? ~0 : 0);
    }
  
    explicit vector(size_type __n)
      : _Bvector_base<_Alloc>(allocator_type())
    {
      _M_initialize(__n);
      fill(this->_M_start._M_p, this->_M_end_of_storage, 0);
    }
  
    vector(const vector& __x) : _Bvector_base<_Alloc>(__x.get_allocator()) {
      _M_initialize(__x.size());
      copy(__x.begin(), __x.end(), this->_M_start);
    }
  
    // Check whether it's an integral type.  If so, it's not an iterator.
  
    template <class _Integer>
    void _M_initialize_dispatch(_Integer __n, _Integer __x, __true_type) {
      _M_initialize(__n);
      fill(this->_M_start._M_p, this->_M_end_of_storage, __x ? ~0 : 0);
    }
  
    template <class _InputIterator>
    void _M_initialize_dispatch(_InputIterator __first, _InputIterator __last,
                                __false_type) {
      _M_initialize_range(__first, __last, __iterator_category(__first));
    }
  
    template <class _InputIterator>
    vector(_InputIterator __first, _InputIterator __last,
             const allocator_type& __a = allocator_type())
      : _Bvector_base<_Alloc>(__a)
    {
      typedef typename _Is_integer<_InputIterator>::_Integral _Integral;
      _M_initialize_dispatch(__first, __last, _Integral());
    }
      
    ~vector() { }
  
    vector& operator=(const vector& __x) {
      if (&__x == this) return *this;
      if (__x.size() > capacity()) {
        _M_deallocate();
        _M_initialize(__x.size());
      }
      copy(__x.begin(), __x.end(), begin());
      this->_M_finish = begin() + difference_type(__x.size());
      return *this;
    }
  
    // assign(), a generalized assignment member function.  Two
    // versions: one that takes a count, and one that takes a range.
    // The range version is a member template, so we dispatch on whether
    // or not the type is an integer.
  
    void _M_fill_assign(size_t __n, bool __x) {
      if (__n > size()) {
        fill(this->_M_start._M_p, this->_M_end_of_storage, __x ? ~0 : 0);
        insert(end(), __n - size(), __x);
      }
      else {
        erase(begin() + __n, end());
        fill(this->_M_start._M_p, this->_M_end_of_storage, __x ? ~0 : 0);
      }
    }
  
    void assign(size_t __n, bool __x) { _M_fill_assign(__n, __x); }
  
    template <class _InputIterator>
    void assign(_InputIterator __first, _InputIterator __last) {
      typedef typename _Is_integer<_InputIterator>::_Integral _Integral;
      _M_assign_dispatch(__first, __last, _Integral());
    }
  
    template <class _Integer>
    void _M_assign_dispatch(_Integer __n, _Integer __val, __true_type)
      { _M_fill_assign((size_t) __n, (bool) __val); }
  
    template <class _InputIter>
    void _M_assign_dispatch(_InputIter __first, _InputIter __last, __false_type)
      { _M_assign_aux(__first, __last, __iterator_category(__first)); }
  
    template <class _InputIterator>
    void _M_assign_aux(_InputIterator __first, _InputIterator __last,
                       input_iterator_tag) {
      iterator __cur = begin();
      for ( ; __first != __last && __cur != end(); ++__cur, ++__first)
        *__cur = *__first;
      if (__first == __last)
        erase(__cur, end());
      else
        insert(end(), __first, __last);
    }
  
    template <class _ForwardIterator>
    void _M_assign_aux(_ForwardIterator __first, _ForwardIterator __last,
                       forward_iterator_tag) {
      size_type __len = std::distance(__first, __last);
      if (__len < size())
        erase(copy(__first, __last, begin()), end());
      else {
        _ForwardIterator __mid = __first;
        advance(__mid, size());
        copy(__first, __mid, begin());
        insert(end(), __mid, __last);
      }
    }    
  
    void reserve(size_type __n) {
      if (__n > this->max_size())
	__throw_length_error("vector::reserve");
      if (this->capacity() < __n) {
        _Bit_type * __q = _M_bit_alloc(__n);
        this->_M_finish = copy(begin(), end(), iterator(__q, 0));
        _M_deallocate();
        this->_M_start = iterator(__q, 0);
        this->_M_end_of_storage = __q + (__n + _M_word_bit - 1)/_M_word_bit;
      }
    }
  
    reference front() { return *begin(); }
    const_reference front() const { return *begin(); }
    reference back() { return *(end() - 1); }
    const_reference back() const { return *(end() - 1); }
    void push_back(bool __x) {
      if (this->_M_finish._M_p != this->_M_end_of_storage)
        *this->_M_finish++ = __x;
      else
        _M_insert_aux(end(), __x);
    }
    void swap(vector<bool, _Alloc>& __x) {
      std::swap(this->_M_start, __x._M_start);
      std::swap(this->_M_finish, __x._M_finish);
      std::swap(this->_M_end_of_storage, __x._M_end_of_storage);
    }

    // [23.2.5]/1, third-to-last entry in synopsis listing
    static void swap(reference __x, reference __y) {
      bool __tmp = __x;
      __x = __y;
      __y = __tmp;
    }

    iterator insert(iterator __position, bool __x = bool()) {
      difference_type __n = __position - begin();
      if (this->_M_finish._M_p != this->_M_end_of_storage
	  && __position == end())
        *this->_M_finish++ = __x;
      else
        _M_insert_aux(__position, __x);
      return begin() + __n;
    }
  
    // Check whether it's an integral type.  If so, it's not an iterator.
  
    template <class _Integer>
    void _M_insert_dispatch(iterator __pos, _Integer __n, _Integer __x,
                            __true_type) {
      _M_fill_insert(__pos, __n, __x);
    }
  
    template <class _InputIterator>
    void _M_insert_dispatch(iterator __pos,
                            _InputIterator __first, _InputIterator __last,
                            __false_type) {
      _M_insert_range(__pos, __first, __last, __iterator_category(__first));
    }
  
    template <class _InputIterator>
    void insert(iterator __position,
                _InputIterator __first, _InputIterator __last) {
      typedef typename _Is_integer<_InputIterator>::_Integral _Integral;
      _M_insert_dispatch(__position, __first, __last, _Integral());
    }
  
    void _M_fill_insert(iterator __position, size_type __n, bool __x) {
      if (__n == 0) return;
      if (capacity() - size() >= __n) {
        copy_backward(__position, end(),
		      this->_M_finish + difference_type(__n));
        fill(__position, __position + difference_type(__n), __x);
        this->_M_finish += difference_type(__n);
      }
      else {
        size_type __len = size() + std::max(size(), __n);
        _Bit_type * __q = _M_bit_alloc(__len);
        iterator __i = copy(begin(), __position, iterator(__q, 0));
        fill_n(__i, __n, __x);
        this->_M_finish = copy(__position, end(), __i + difference_type(__n));
        _M_deallocate();
        this->_M_end_of_storage = __q + (__len + _M_word_bit - 1)/_M_word_bit;
        this->_M_start = iterator(__q, 0);
      }
    }
  
    void insert(iterator __position, size_type __n, bool __x) {
      _M_fill_insert(__position, __n, __x);
    }
  
    void pop_back() { --this->_M_finish; }
    iterator erase(iterator __position) {
      if (__position + 1 != end())
        copy(__position + 1, end(), __position);
        --this->_M_finish;
      return __position;
    }
    iterator erase(iterator __first, iterator __last) {
      this->_M_finish = copy(__last, end(), __first);
      return __first;
    }
    void resize(size_type __new_size, bool __x = bool()) {
      if (__new_size < size()) 
        erase(begin() + difference_type(__new_size), end());
      else
        insert(end(), __new_size - size(), __x);
    }
    void flip() {
      for (_Bit_type * __p = this->_M_start._M_p;
	   __p != this->_M_end_of_storage;
	   ++__p)
        *__p = ~*__p;
    }
  
    void clear() { erase(begin(), end()); }
  };

// This typedef is non-standard.  It is provided for backward compatibility.
typedef vector<bool, __alloc> bit_vector;

} // namespace std 

#endif /* __GLIBCPP_INTERNAL_BVECTOR_H */

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