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diff --git a/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/ov_tree_map_/split_join_fn_imps.hpp b/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/ov_tree_map_/split_join_fn_imps.hpp
new file mode 100644
index 0000000..a12c232
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/ov_tree_map_/split_join_fn_imps.hpp
@@ -0,0 +1,132 @@
+// -*- C++ -*-
+
+// Copyright (C) 2005, 2006, 2009, 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 ov_tree_map_/split_join_fn_imps.hpp
+ * Contains an implementation class for ov_tree_.
+ */
+
+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 (m_size == 0)
+    {
+      other.clear();
+      return;
+    }
+
+  if (Cmp_Fn::operator()(r_key, PB_DS_V2F(*begin())))
+    {
+      value_swap(other);
+      PB_DS_ASSERT_VALID((*this))
+      PB_DS_ASSERT_VALID(other)
+      return;
+    }
+
+  if (!Cmp_Fn::operator()(r_key, PB_DS_V2F(*(end() - 1))))
+    {
+      return;
+    }
+
+  if (m_size == 1)
+    {
+      value_swap(other);
+      PB_DS_ASSERT_VALID((*this))
+      PB_DS_ASSERT_VALID(other)
+      return;
+    }
+
+  iterator it = upper_bound(r_key);
+  PB_DS_CLASS_C_DEC new_other(other, other);
+  new_other.copy_from_ordered_range(it, end());
+  PB_DS_CLASS_C_DEC new_this(*this, *this);
+  new_this.copy_from_ordered_range(begin(), it);
+
+  // No exceptions from this point.
+  other.update(other.node_begin(), (node_update*)(&other));
+  update(node_begin(), (node_update*)this);
+  other.value_swap(new_other);
+  value_swap(new_this);
+  PB_DS_ASSERT_VALID((*this))
+  PB_DS_ASSERT_VALID(other)
+}
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+join(PB_DS_CLASS_C_DEC& other)
+{
+  PB_DS_ASSERT_VALID((*this))
+  PB_DS_ASSERT_VALID(other)
+  if (other.m_size == 0)
+    return;
+
+  if (m_size == 0)
+    {
+      value_swap(other);
+      PB_DS_ASSERT_VALID((*this))
+      PB_DS_ASSERT_VALID(other)
+      return;
+    }
+
+  const bool greater = Cmp_Fn::operator()(PB_DS_V2F(*(end() - 1)),
+					  PB_DS_V2F(*other.begin()));
+
+  const bool lesser = Cmp_Fn::operator()(PB_DS_V2F(*(other.end() - 1)),
+					 PB_DS_V2F(*begin()));
+
+  if (!greater && !lesser)
+    __throw_join_error();
+
+  PB_DS_CLASS_C_DEC new_this(*this, *this);
+
+  if (greater)
+    new_this.copy_from_ordered_range(begin(), end(),
+				     other.begin(), other.end());
+  else
+    new_this.copy_from_ordered_range(other.begin(), other.end(),
+				     begin(), end());
+
+  // No exceptions from this point.
+  value_swap(new_this);
+  other.clear();
+  PB_DS_ASSERT_VALID((*this))
+  PB_DS_ASSERT_VALID(other)
+}