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diff --git a/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/tree_policy.hpp b/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/tree_policy.hpp
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+// -*- C++ -*-
+
+// Copyright (C) 2005, 2006, 2009, 2010, 2011 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
+// .
+
+// 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 "as is" without express or implied
+// warranty.
+
+/**
+ * @file tree_policy.hpp
+ * Contains tree-related policies.
+ */
+
+#ifndef PB_DS_TREE_POLICY_HPP
+#define PB_DS_TREE_POLICY_HPP
+
+#include
+#include
+#include
+#include
+
+namespace __gnu_pbds
+{
+#define PB_DS_CLASS_T_DEC \
+ template
+
+#define PB_DS_CLASS_C_DEC \
+ tree_order_statistics_node_update
+
+#define PB_DS_BRANCH_POLICY_BASE \
+ detail::branch_policy
+
+ /// Functor updating ranks of entrees.
+ template
+ class tree_order_statistics_node_update : private PB_DS_BRANCH_POLICY_BASE
+ {
+ private:
+ typedef PB_DS_BRANCH_POLICY_BASE base_type;
+
+ public:
+ typedef Cmp_Fn cmp_fn;
+ typedef _Alloc allocator_type;
+ typedef typename allocator_type::size_type size_type;
+ typedef typename base_type::key_type key_type;
+ typedef typename base_type::key_const_reference key_const_reference;
+
+ typedef size_type metadata_type;
+ typedef Node_CItr node_const_iterator;
+ typedef Node_Itr node_iterator;
+ typedef typename node_const_iterator::value_type const_iterator;
+ typedef typename node_iterator::value_type iterator;
+
+ /// Finds an entry by __order. Returns a const_iterator to the
+ /// entry with the __order order, or a const_iterator to the
+ /// container object's end if order is at least the size of the
+ /// container object.
+ inline const_iterator
+ find_by_order(size_type) const;
+
+ /// Finds an entry by __order. Returns an iterator to the entry
+ /// with the __order order, or an iterator to the container
+ /// object's end if order is at least the size of the container
+ /// object.
+ inline iterator
+ find_by_order(size_type);
+
+ /// Returns the order of a key within a sequence. For exapmle, if
+ /// r_key is the smallest key, this method will return 0; if r_key
+ /// is a key between the smallest and next key, this method will
+ /// return 1; if r_key is a key larger than the largest key, this
+ /// method will return the size of r_c.
+ inline size_type
+ order_of_key(key_const_reference) const;
+
+ private:
+ /// Const reference to the container's value-type.
+ typedef typename base_type::const_reference const_reference;
+
+ /// Const pointer to the container's value-type.
+ typedef typename base_type::const_pointer const_pointer;
+
+ typedef typename _Alloc::template rebind::other __rebind_m;
+
+ /// Const metadata reference.
+ typedef typename __rebind_m::const_reference metadata_const_reference;
+
+ /// Metadata reference.
+ typedef typename __rebind_m::reference metadata_reference;
+
+ /// Returns the node_const_iterator associated with the tree's root node.
+ virtual node_const_iterator
+ node_begin() const = 0;
+
+ /// Returns the node_iterator associated with the tree's root node.
+ virtual node_iterator
+ node_begin() = 0;
+
+ /// Returns the node_const_iterator associated with a just-after leaf node.
+ virtual node_const_iterator
+ node_end() const = 0;
+
+ /// Returns the node_iterator associated with a just-after leaf node.
+ virtual node_iterator
+ node_end() = 0;
+
+ /// Access to the cmp_fn object.
+ virtual cmp_fn&
+ get_cmp_fn() = 0;
+
+ protected:
+ /// Updates the rank of a node through a node_iterator node_it;
+ /// end_nd_it is the end node iterator.
+ inline void
+ operator()(node_iterator, node_const_iterator) const;
+
+ virtual
+ ~tree_order_statistics_node_update();
+ };
+
+#include
+
+#undef PB_DS_CLASS_T_DEC
+#undef PB_DS_CLASS_C_DEC
+#undef PB_DS_BRANCH_POLICY_BASE
+
+} // namespace __gnu_pbds
+
+#endif