--- /dev/null
+// -*- 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
+// <http://www.gnu.org/licenses/>.
+
+// 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 splay_tree_/split_join_fn_imps.hpp
+ * Contains an implementation class for splay_tree_.
+ */
+
+PB_DS_CLASS_T_DEC
+inline void
+PB_DS_CLASS_C_DEC::
+join(PB_DS_CLASS_C_DEC& other)
+{
+ PB_DS_ASSERT_VALID((*this))
+ PB_DS_ASSERT_VALID(other)
+ if (base_type::join_prep(other) == false)
+ {
+ PB_DS_ASSERT_VALID((*this))
+ PB_DS_ASSERT_VALID(other)
+ return;
+ }
+
+ node_pointer p_target_r = other.leftmost(other.m_p_head);
+ _GLIBCXX_DEBUG_ASSERT(p_target_r != 0);
+ other.splay(p_target_r);
+
+ _GLIBCXX_DEBUG_ASSERT(p_target_r == other.m_p_head->m_p_parent);
+ _GLIBCXX_DEBUG_ASSERT(p_target_r->m_p_left == 0);
+
+ p_target_r->m_p_left = base_type::m_p_head->m_p_parent;
+
+ _GLIBCXX_DEBUG_ASSERT(p_target_r->m_p_left != 0);
+ p_target_r->m_p_left->m_p_parent = p_target_r;
+
+ base_type::m_p_head->m_p_parent = p_target_r;
+ p_target_r->m_p_parent = base_type::m_p_head;
+
+ this->apply_update(p_target_r, (node_update*)this);
+ base_type::join_finish(other);
+
+ PB_DS_ASSERT_VALID((*this))
+ PB_DS_ASSERT_VALID(other)
+}
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+split(key_const_reference r_key, PB_DS_CLASS_C_DEC& other)
+{
+ PB_DS_ASSERT_VALID((*this))
+ PB_DS_ASSERT_VALID(other)
+
+ if (base_type::split_prep(r_key, other) == false)
+ {
+ PB_DS_ASSERT_VALID((*this))
+ PB_DS_ASSERT_VALID(other)
+ return;
+ }
+
+ node_pointer p_upper_bound = this->upper_bound(r_key).m_p_nd;
+ _GLIBCXX_DEBUG_ASSERT(p_upper_bound != 0);
+
+ splay(p_upper_bound);
+ _GLIBCXX_DEBUG_ASSERT(p_upper_bound->m_p_parent == this->m_p_head);
+
+ node_pointer p_new_root = p_upper_bound->m_p_left;
+ _GLIBCXX_DEBUG_ASSERT(p_new_root != 0);
+
+ base_type::m_p_head->m_p_parent = p_new_root;
+ p_new_root->m_p_parent = base_type::m_p_head;
+ other.m_p_head->m_p_parent = p_upper_bound;
+ p_upper_bound->m_p_parent = other.m_p_head;
+ p_upper_bound->m_p_left = 0;
+ this->apply_update(p_upper_bound, (node_update*)this);
+ base_type::split_finish(other);
+
+ PB_DS_ASSERT_VALID((*this))
+ PB_DS_ASSERT_VALID(other)
+}
+