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diff --git a/libstdc++-v3/include/ext/pb_ds/detail/splay_tree_/find_fn_imps.hpp b/libstdc++-v3/include/ext/pb_ds/detail/splay_tree_/find_fn_imps.hpp
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+++ b/libstdc++-v3/include/ext/pb_ds/detail/splay_tree_/find_fn_imps.hpp
@@ -0,0 +1,117 @@
+// -*- C++ -*-
+
+// Copyright (C) 2005, 2006 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) 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 find_fn_imps.hpp
+ * Contains an implementation class for splay_tree_.
+ */
+
+PB_DS_CLASS_T_DEC
+inline typename PB_DS_CLASS_C_DEC::point_iterator
+PB_DS_CLASS_C_DEC::
+find(const_key_reference r_key)
+{
+ node_pointer p_found = find_imp(r_key);
+
+ if (p_found != PB_DS_BASE_C_DEC::m_p_head)
+ splay(p_found);
+
+ return (point_iterator(p_found));
+}
+
+PB_DS_CLASS_T_DEC
+inline typename PB_DS_CLASS_C_DEC::const_point_iterator
+PB_DS_CLASS_C_DEC::
+find(const_key_reference r_key) const
+{
+ const node_pointer p_found = find_imp(r_key);
+
+ if (p_found != PB_DS_BASE_C_DEC::m_p_head)
+ const_cast<PB_DS_CLASS_C_DEC* >(this)->splay(p_found);
+
+ return (point_iterator(p_found));
+}
+
+PB_DS_CLASS_T_DEC
+inline typename PB_DS_CLASS_C_DEC::node_pointer
+PB_DS_CLASS_C_DEC::
+find_imp(const_key_reference r_key)
+{
+ PB_DS_DBG_ONLY(PB_DS_BASE_C_DEC::structure_only_assert_valid();)
+
+ node_pointer p_nd = PB_DS_BASE_C_DEC::m_p_head->m_p_parent;
+
+ while (p_nd != NULL)
+ if (!Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_value), r_key))
+ {
+ if (!Cmp_Fn::operator()(r_key, PB_DS_V2F(p_nd->m_value)))
+ return (p_nd);
+
+ p_nd = p_nd->m_p_left;
+ }
+ else
+ p_nd = p_nd->m_p_right;
+
+ return PB_DS_BASE_C_DEC::m_p_head;
+}
+
+PB_DS_CLASS_T_DEC
+inline const typename PB_DS_CLASS_C_DEC::node_pointer
+PB_DS_CLASS_C_DEC::
+find_imp(const_key_reference r_key) const
+{
+ PB_DS_DBG_ONLY(assert_valid();)
+
+ node_pointer p_nd = PB_DS_BASE_C_DEC::m_p_head->m_p_parent;
+
+ while (p_nd != NULL)
+ if (!Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_value), r_key))
+ {
+ if (!Cmp_Fn::operator()(r_key, PB_DS_V2F(p_nd->m_value)))
+ return (p_nd);
+
+ p_nd = p_nd->m_p_left;
+ }
+ else
+ p_nd = p_nd->m_p_right;
+
+ return PB_DS_BASE_C_DEC::m_p_head;
+}