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diff --git a/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/resize_policy/hash_exponential_size_policy_imp.hpp b/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/resize_policy/hash_exponential_size_policy_imp.hpp
new file mode 100644
index 0000000..b58f2ec
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/resize_policy/hash_exponential_size_policy_imp.hpp
@@ -0,0 +1,90 @@
+// -*- C++ -*-
+
+// Copyright (C) 2005, 2006, 2009 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 hash_exponential_size_policy_imp.hpp
+ * Contains a resize size policy implementation.
+ */
+
+PB_DS_CLASS_T_DEC
+PB_DS_CLASS_C_DEC::
+hash_exponential_size_policy(size_type start_size, size_type grow_factor) :
+  m_start_size(start_size),
+  m_grow_factor(grow_factor)
+{ }
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+swap(PB_DS_CLASS_C_DEC& other)
+{
+  std::swap(m_start_size, other.m_start_size);
+  std::swap(m_grow_factor, other.m_grow_factor);
+}
+
+PB_DS_CLASS_T_DEC
+typename PB_DS_CLASS_C_DEC::size_type
+PB_DS_CLASS_C_DEC::
+get_nearest_larger_size(size_type size) const
+{
+  size_type ret = m_start_size;
+  while (ret <= size)
+    {
+      const size_type next_ret = ret*  m_grow_factor;
+      if (next_ret < ret)
+	__throw_insert_error();
+      ret = next_ret;
+    }
+  return ret;
+}
+
+PB_DS_CLASS_T_DEC
+typename PB_DS_CLASS_C_DEC::size_type
+PB_DS_CLASS_C_DEC::
+get_nearest_smaller_size(size_type size) const
+{
+  size_type ret = m_start_size;
+  while (true)
+    {
+      const size_type next_ret = ret*  m_grow_factor;
+      if (next_ret < ret)
+	__throw_resize_error();
+      if (next_ret >= size)
+	return (ret);
+      ret = next_ret;
+    }
+  return ret;
+}
+