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/*

 *

 * 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

 * 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.

 */

/* NOTE: This is an internal header file, included by other STL headers.

 *   You should not attempt to use it directly.

 */

#ifndef __SGI_STL_INTERNAL_MULTISET_H

#define __SGI_STL_INTERNAL_MULTISET_H

#include 

namespace std

{

// Forward declaration of operators < and ==, needed for friend declaration.

template ,

          class _Alloc = allocator<_Key> >

class multiset;

template 

inline bool operator==(const multiset<_Key,_Compare,_Alloc>& __x,

                       const multiset<_Key,_Compare,_Alloc>& __y);

template 

inline bool operator<(const multiset<_Key,_Compare,_Alloc>& __x,

                      const multiset<_Key,_Compare,_Alloc>& __y);

template 

class multiset

{

  // concept requirements

  __glibcpp_class_requires(_Key, _SGIAssignableConcept);

  __glibcpp_class_requires4(_Compare, bool, _Key, _Key, _BinaryFunctionConcept);

public:

  // typedefs:

  typedef _Key     key_type;

  typedef _Key     value_type;

  typedef _Compare key_compare;

  typedef _Compare value_compare;

private:

  typedef _Rb_tree

                  _Identity, key_compare, _Alloc> _Rep_type;

  _Rep_type _M_t;  // red-black tree representing multiset

public:

  typedef typename _Rep_type::const_pointer pointer;

  typedef typename _Rep_type::const_pointer const_pointer;

  typedef typename _Rep_type::const_reference reference;

  typedef typename _Rep_type::const_reference const_reference;

  typedef typename _Rep_type::const_iterator iterator;

  typedef typename _Rep_type::const_iterator const_iterator;

  typedef typename _Rep_type::const_reverse_iterator reverse_iterator;

  typedef typename _Rep_type::const_reverse_iterator const_reverse_iterator;

  typedef typename _Rep_type::size_type size_type;

  typedef typename _Rep_type::difference_type difference_type;

  typedef typename _Rep_type::allocator_type allocator_type;

  // allocation/deallocation

  multiset() : _M_t(_Compare(), allocator_type()) {}

  explicit multiset(const _Compare& __comp,

                    const allocator_type& __a = allocator_type())

    : _M_t(__comp, __a) {}

  template 

  multiset(_InputIterator __first, _InputIterator __last)

    : _M_t(_Compare(), allocator_type())

    { _M_t.insert_equal(__first, __last); }

  template 

  multiset(_InputIterator __first, _InputIterator __last,

           const _Compare& __comp,

           const allocator_type& __a = allocator_type())

    : _M_t(__comp, __a) { _M_t.insert_equal(__first, __last); }

  multiset(const multiset<_Key,_Compare,_Alloc>& __x) : _M_t(__x._M_t) {}

  multiset<_Key,_Compare,_Alloc>&

  operator=(const multiset<_Key,_Compare,_Alloc>& __x) {

    _M_t = __x._M_t;

    return *this;

  }

  // accessors:

  key_compare key_comp() const { return _M_t.key_comp(); }

  value_compare value_comp() const { return _M_t.key_comp(); }

  allocator_type get_allocator() const { return _M_t.get_allocator(); }

  iterator begin() const { return _M_t.begin(); }

  iterator end() const { return _M_t.end(); }

  reverse_iterator rbegin() const { return _M_t.rbegin(); }

  reverse_iterator rend() const { return _M_t.rend(); }

  bool empty() const { return _M_t.empty(); }

  size_type size() const { return _M_t.size(); }

  size_type max_size() const { return _M_t.max_size(); }

  void swap(multiset<_Key,_Compare,_Alloc>& __x) { _M_t.swap(__x._M_t); }

  // insert/erase

  iterator insert(const value_type& __x) {

    return _M_t.insert_equal(__x);

  }

  iterator insert(iterator __position, const value_type& __x) {

    typedef typename _Rep_type::iterator _Rep_iterator;

    return _M_t.insert_equal((_Rep_iterator&)__position, __x);

  }

  template 

  void insert(_InputIterator __first, _InputIterator __last) {

    _M_t.insert_equal(__first, __last);

  }

  void erase(iterator __position) {

    typedef typename _Rep_type::iterator _Rep_iterator;

    _M_t.erase((_Rep_iterator&)__position);

  }

  size_type erase(const key_type& __x) {

    return _M_t.erase(__x);

  }

  void erase(iterator __first, iterator __last) {

    typedef typename _Rep_type::iterator _Rep_iterator;

    _M_t.erase((_Rep_iterator&)__first, (_Rep_iterator&)__last);

  }

  void clear() { _M_t.clear(); }

  // multiset operations:

  size_type count(const key_type& __x) const { return _M_t.count(__x); }

#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS

//214.  set::find() missing const overload

  iterator find(const key_type& __x) { return _M_t.find(__x); }

  const_iterator find(const key_type& __x) const { return _M_t.find(__x); }

  iterator lower_bound(const key_type& __x) {

    return _M_t.lower_bound(__x);

  }

  const_iterator lower_bound(const key_type& __x) const {

    return _M_t.lower_bound(__x);

  }

  iterator upper_bound(const key_type& __x) {

    return _M_t.upper_bound(__x);

  }

  const_iterator upper_bound(const key_type& __x) const {

    return _M_t.upper_bound(__x);

  }

  pair equal_range(const key_type& __x) {

    return _M_t.equal_range(__x);

  }

  pair equal_range(const key_type& __x) const {

    return _M_t.equal_range(__x);

  }

#else

  iterator find(const key_type& __x) const { return _M_t.find(__x); }

  iterator lower_bound(const key_type& __x) const {

    return _M_t.lower_bound(__x);

  }

  iterator upper_bound(const key_type& __x) const {

    return _M_t.upper_bound(__x);

  }

  pair equal_range(const key_type& __x) const {

    return _M_t.equal_range(__x);

  }

#endif

  template 

  friend bool operator== (const multiset<_K1,_C1,_A1>&,

                          const multiset<_K1,_C1,_A1>&);

  template 

  friend bool operator< (const multiset<_K1,_C1,_A1>&,

                         const multiset<_K1,_C1,_A1>&);

};

template 

inline bool operator==(const multiset<_Key,_Compare,_Alloc>& __x,

                       const multiset<_Key,_Compare,_Alloc>& __y) {

  return __x._M_t == __y._M_t;

}

template 

inline bool operator<(const multiset<_Key,_Compare,_Alloc>& __x,

                      const multiset<_Key,_Compare,_Alloc>& __y) {

  return __x._M_t < __y._M_t;

}

template 

inline bool operator!=(const multiset<_Key,_Compare,_Alloc>& __x,

                       const multiset<_Key,_Compare,_Alloc>& __y) {

  return !(__x == __y);

}

template 

inline bool operator>(const multiset<_Key,_Compare,_Alloc>& __x,

                      const multiset<_Key,_Compare,_Alloc>& __y) {

  return __y < __x;

}

template 

inline bool operator<=(const multiset<_Key,_Compare,_Alloc>& __x,

                       const multiset<_Key,_Compare,_Alloc>& __y) {

  return !(__y < __x);

}

template 

inline bool operator>=(const multiset<_Key,_Compare,_Alloc>& __x,

                       const multiset<_Key,_Compare,_Alloc>& __y) {

  return !(__x < __y);

}

template 

inline void swap(multiset<_Key,_Compare,_Alloc>& __x,

                 multiset<_Key,_Compare,_Alloc>& __y) {

  __x.swap(__y);

}

} // namespace std

#endif /* __SGI_STL_INTERNAL_MULTISET_H */

// Local Variables:

// mode:C++

// End: