cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / c++ / 4.7 / ext / pb_ds / detail / standard_policies.hpp

diff --git a/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/standard_policies.hpp b/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/standard_policies.hpp
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+// -*- C++ -*-
+
+// Copyright (C) 2005, 2006, 2007, 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 detail/standard_policies.hpp
+ * Contains standard policies for containers.
+ */
+
+#ifndef PB_DS_STANDARD_POLICIES_HPP
+#define PB_DS_STANDARD_POLICIES_HPP
+
+#include <memory>
+#include <ext/pb_ds/hash_policy.hpp>
+#include <ext/pb_ds/list_update_policy.hpp>
+#include <ext/pb_ds/detail/branch_policy/null_node_metadata.hpp>
+#include <ext/pb_ds/tree_policy.hpp>
+#include <ext/pb_ds/trie_policy.hpp>
+#include <ext/pb_ds/tag_and_trait.hpp>
+#include <tr1/functional>
+
+namespace __gnu_pbds
+{
+  namespace detail
+  {
+    /// Primary template, default_hash_fn.
+    template<typename Key>
+    struct default_hash_fn
+    {
+       /// Dispatched type.
+      typedef std::tr1::hash<Key>                              type;
+    };
+
+    /// Primary template, default_eq_fn.
+    template<typename Key>
+    struct default_eq_fn
+    {
+       /// Dispatched type.
+      typedef std::equal_to<Key>                               type;
+    };
+
+    /// Enumeration for default behavior of stored hash data.
+    enum
+      {
+       default_store_hash = false
+      };
+
+    /// Primary template, default_comb_hash_fn.
+    struct default_comb_hash_fn
+    {
+       /// Dispatched type.
+      typedef direct_mask_range_hashing<>                      type;
+    };
+
+    /// Primary template, default_resize_policy.
+    template<typename Comb_Hash_Fn>
+    struct default_resize_policy
+    {
+    private:
+      typedef typename Comb_Hash_Fn::size_type                         size_type;
+
+      typedef direct_mask_range_hashing<size_type>             default_fn;
+      typedef is_same<default_fn, Comb_Hash_Fn>                same_type;
+      typedef hash_exponential_size_policy<size_type>          iftrue;
+      typedef hash_prime_size_policy                           iffalse;
+      typedef __conditional_type<same_type::value, iftrue, iffalse> cond_type;
+      typedef typename cond_type::__type                      size_policy_type;
+
+      typedef hash_load_check_resize_trigger<false, size_type>         trigger;
+
+    public:
+       /// Dispatched type.
+      typedef hash_standard_resize_policy<size_policy_type, trigger, 
+                                         false, size_type>     type;
+    };
+
+    /// Default update policy.
+    struct default_update_policy
+    {
+       /// Dispatched type.
+      typedef lu_move_to_front_policy<>                        type;
+    };
+
+    /// Primary template, default_probe_fn.
+    template<typename Comb_Probe_Fn>
+    struct default_probe_fn
+    {
+    private:
+      typedef typename Comb_Probe_Fn::size_type                size_type;
+      typedef direct_mask_range_hashing<size_type>             default_fn;
+      typedef is_same<default_fn, Comb_Probe_Fn>               same_type;
+      typedef linear_probe_fn<size_type>                       iftrue;
+      typedef quadratic_probe_fn<size_type>                    iffalse;
+      typedef __conditional_type<same_type::value, iftrue, iffalse> cond_type;
+
+    public:
+       /// Dispatched type.
+      typedef typename cond_type::__type                       type;
+    };
+
+
+    /// Primary template, default_trie_access_traits.
+    template<typename Key>
+      struct default_trie_access_traits;
+
+#define __dtrie_alloc std::allocator<char>  
+#define __dtrie_string std::basic_string<Char, Char_Traits, __dtrie_alloc> 
+
+    /// Partial specialization, default_trie_access_traits.
+    template<typename Char, typename Char_Traits>
+      struct default_trie_access_traits<__dtrie_string>
+      {
+      private:
+       typedef __dtrie_string                                  string_type;
+
+      public:
+       /// Dispatched type.
+       typedef trie_string_access_traits<string_type>          type;
+      };
+
+#undef __dtrie_alloc
+#undef __dtrie_string
+
+  } // namespace detail
+} // namespace __gnu_pbds
+
+#endif // #ifndef PB_DS_STANDARD_POLICIES_HPP