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diff --git a/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/eq_fn/hash_eq_fn.hpp b/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/eq_fn/hash_eq_fn.hpp
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+++ b/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/eq_fn/hash_eq_fn.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
+// .
+
+// 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_eq_fn.hpp
+ * Contains 2 eqivalence functions, one employing a hash value,
+ * and one ignoring it.
+ */
+
+#ifndef PB_DS_HASH_EQ_FN_HPP
+#define PB_DS_HASH_EQ_FN_HPP
+
+#include
+#include
+
+namespace __gnu_pbds
+{
+ namespace detail
+ {
+ /// Primary template.
+ template
+ struct hash_eq_fn;
+
+ /// Specialization 1 - The client requests that hash values not be stored.
+ template
+ struct hash_eq_fn : public Eq_Fn
+ {
+ typedef Eq_Fn eq_fn_base;
+ typedef typename _Alloc::template rebind::other key_allocator;
+ typedef typename key_allocator::const_reference key_const_reference;
+
+ hash_eq_fn() { }
+
+ hash_eq_fn(const Eq_Fn& r_eq_fn) : Eq_Fn(r_eq_fn) { }
+
+ bool
+ operator()(key_const_reference r_lhs_key,
+ key_const_reference r_rhs_key) const
+ { return eq_fn_base::operator()(r_lhs_key, r_rhs_key); }
+
+ void
+ swap(const hash_eq_fn& other)
+ { std::swap((Eq_Fn&)(*this), (Eq_Fn&)other); }
+ };
+
+
+ /// Specialization 2 - The client requests that hash values be stored.
+ template
+ struct hash_eq_fn : public Eq_Fn
+ {
+ typedef typename _Alloc::size_type size_type;
+ typedef Eq_Fn eq_fn_base;
+ typedef typename _Alloc::template rebind::other key_allocator;
+ typedef typename key_allocator::const_reference key_const_reference;
+
+ hash_eq_fn() { }
+
+ hash_eq_fn(const Eq_Fn& r_eq_fn) : Eq_Fn(r_eq_fn) { }
+
+ bool
+ operator()(key_const_reference r_lhs_key, size_type lhs_hash,
+ key_const_reference r_rhs_key, size_type rhs_hash) const
+ {
+ _GLIBCXX_DEBUG_ASSERT(!eq_fn_base::operator()(r_lhs_key, r_rhs_key)
+ || lhs_hash == rhs_hash);
+
+ return (lhs_hash == rhs_hash &&
+ eq_fn_base::operator()(r_lhs_key, r_rhs_key));
+ }
+
+ void
+ swap(const hash_eq_fn& other)
+ { std::swap((Eq_Fn&)(*this), (Eq_Fn&)(other)); }
+ };
+ } // namespace detail
+} // namespace __gnu_pbds
+
+#endif