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diff --git a/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/binary_heap_/resize_policy.hpp b/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/binary_heap_/resize_policy.hpp
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index 0000000..ab9b0ec
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+++ b/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/binary_heap_/resize_policy.hpp
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+// -*- 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 binary_heap_/resize_policy.hpp
+ * Contains an implementation class for a binary_heap.
+ */
+
+#ifndef PB_DS_BINARY_HEAP_RESIZE_POLICY_HPP
+#define PB_DS_BINARY_HEAP_RESIZE_POLICY_HPP
+
+#include <debug/debug.h>
+
+namespace __gnu_pbds
+{
+  namespace detail
+  {
+    /// Resize policy for binary heap.
+    template<typename _Tp>
+    class resize_policy
+    {
+    private:
+      enum
+	{
+	  ratio = 8,
+	  factor = 2
+	};
+
+      /// Next shrink size.
+      _Tp 		m_shrink_size;
+
+      /// Next grow size.
+      _Tp 		m_grow_size;
+
+    public:
+      typedef _Tp	size_type;
+
+      static const _Tp	min_size = 16;
+
+      resize_policy() : m_shrink_size(0), m_grow_size(min_size)
+      { PB_DS_ASSERT_VALID((*this)) }
+
+      resize_policy(const resize_policy& other)
+      : m_shrink_size(other.m_shrink_size), m_grow_size(other.m_grow_size)
+      { PB_DS_ASSERT_VALID((*this)) }
+
+      inline void
+      swap(resize_policy<_Tp>&);
+
+      inline bool
+      resize_needed_for_grow(size_type) const;
+
+      inline bool
+      resize_needed_for_shrink(size_type) const;
+
+      inline bool
+      grow_needed(size_type) const;
+
+      inline bool
+      shrink_needed(size_type) const;
+
+      inline size_type
+      get_new_size_for_grow() const;
+
+      inline size_type
+      get_new_size_for_shrink() const;
+
+      inline size_type
+      get_new_size_for_arbitrary(size_type) const;
+
+      inline void
+      notify_grow_resize();
+
+      inline void
+      notify_shrink_resize();
+
+      void
+      notify_arbitrary(size_type);
+
+#ifdef _GLIBCXX_DEBUG
+      void
+      assert_valid(const char*, int) const;
+#endif
+
+#ifdef PB_DS_BINARY_HEAP_TRACE_
+      void
+      trace() const;
+#endif
+    };
+
+    template<typename _Tp>
+      const _Tp resize_policy<_Tp>::min_size;
+
+    template<typename _Tp>
+    inline void
+    resize_policy<_Tp>::
+    swap(resize_policy<_Tp>& other)
+    {
+      std::swap(m_shrink_size, other.m_shrink_size);
+      std::swap(m_grow_size, other.m_grow_size);
+    }
+
+    template<typename _Tp>
+    inline bool
+    resize_policy<_Tp>::
+    resize_needed_for_grow(size_type size) const
+    {
+      _GLIBCXX_DEBUG_ASSERT(size <= m_grow_size);
+      return size == m_grow_size;
+    }
+
+    template<typename _Tp>
+    inline bool
+    resize_policy<_Tp>::
+    resize_needed_for_shrink(size_type size) const
+    {
+      _GLIBCXX_DEBUG_ASSERT(size <= m_grow_size);
+      return size == m_shrink_size;
+    }
+
+    template<typename _Tp>
+    inline typename resize_policy<_Tp>::size_type
+    resize_policy<_Tp>::
+    get_new_size_for_grow() const
+    { return m_grow_size * factor; }
+
+    template<typename _Tp>
+    inline typename resize_policy<_Tp>::size_type
+    resize_policy<_Tp>::
+    get_new_size_for_shrink() const
+    {
+      const size_type half_size = m_grow_size / factor;
+      return std::max(min_size, half_size);
+    }
+
+    template<typename _Tp>
+    inline typename resize_policy<_Tp>::size_type
+    resize_policy<_Tp>::
+    get_new_size_for_arbitrary(size_type size) const
+    {
+      size_type ret = min_size;
+      while (ret < size)
+	ret *= factor;
+      return ret;
+    }
+
+    template<typename _Tp>
+    inline void
+    resize_policy<_Tp>::
+    notify_grow_resize()
+    {
+      PB_DS_ASSERT_VALID((*this))
+      _GLIBCXX_DEBUG_ASSERT(m_grow_size >= min_size);
+      m_grow_size *= factor;
+      m_shrink_size = m_grow_size / ratio;
+      PB_DS_ASSERT_VALID((*this))
+    }
+
+    template<typename _Tp>
+    inline void
+    resize_policy<_Tp>::
+    notify_shrink_resize()
+    {
+      PB_DS_ASSERT_VALID((*this))
+      m_shrink_size /= factor;
+      if (m_shrink_size == 1)
+	m_shrink_size = 0;
+      m_grow_size = std::max(m_grow_size / factor, min_size);
+      PB_DS_ASSERT_VALID((*this))
+    }
+
+    template<typename _Tp>
+    inline void
+    resize_policy<_Tp>::
+    notify_arbitrary(size_type actual_size)
+    {
+      m_grow_size = actual_size;
+      m_shrink_size = m_grow_size / ratio;
+      PB_DS_ASSERT_VALID((*this))
+    }
+
+#ifdef _GLIBCXX_DEBUG
+    template<typename _Tp>
+    void
+    resize_policy<_Tp>::
+    assert_valid(const char* __file, int __line) const
+    {
+      PB_DS_DEBUG_VERIFY(m_shrink_size == 0
+			 || m_shrink_size * ratio == m_grow_size);
+      PB_DS_DEBUG_VERIFY(m_grow_size >= min_size);
+    }
+#endif
+
+#ifdef PB_DS_BINARY_HEAP_TRACE_
+    template<typename _Tp>
+    void
+    resize_policy<_Tp>::
+    trace() const
+    {
+      std::cerr << "shrink = " << m_shrink_size
+		<< " grow = " << m_grow_size << std::endl;
+    }
+#endif
+
+} // namespace detail
+} // namespace __gnu_pbds
+
+#endif