// -*- C++ -*-
-// Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+// Copyright (C) 2005-2024 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 2, or (at your option) any later
+// Foundation; either version 3, or (at your option) any later
// version.
// This library is distributed in the hope that it will be useful, but
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
-// You should have received a copy of the GNU General Public License
-// along with this library; see the file COPYING. If not, write to
-// the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
-// MA 02111-1307, USA.
-
-// As a special exception, you may use this file as part of a free
-// software library without restriction. Specifically, if other files
-// instantiate templates or use macros or inline functions from this
-// file, or you compile this file and link it with other files to
-// produce an executable, this file does not by itself cause the
-// resulting executable to be covered by the GNU General Public
-// License. This exception does not however invalidate any other
-// reasons why the executable file might be covered by the GNU General
-// Public License.
+// 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.
// warranty.
/**
- * @file standard_policies.hpp
+ * @file detail/standard_policies.hpp
* Contains standard policies for containers.
*/
#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/detail/basic_tree_policy/null_node_metadata.hpp>
#include <ext/pb_ds/trie_policy.hpp>
#include <ext/pb_ds/tag_and_trait.hpp>
-#include <ext/hash_map>
+#include <tr1/functional>
-namespace pb_ds
+namespace __gnu_pbds
{
namespace detail
{
+ /// Primary template, default_hash_fn.
template<typename Key>
struct default_hash_fn
{
- typedef __gnu_cxx::hash< Key> type;
+ /// Dispatched type.
+ typedef std::tr1::hash<Key> type;
};
+ /// Primary template, default_eq_fn.
template<typename Key>
struct default_eq_fn
{
- typedef std::equal_to< Key> type;
+ /// 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
{
- typedef pb_ds::direct_mask_range_hashing<> type;
+ /// 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
- typename conditional_type<
- is_same<
- pb_ds::direct_mask_range_hashing<
- size_type>,
- Comb_Hash_Fn>::value,
- pb_ds::hash_exponential_size_policy<
- size_type>,
- pb_ds::hash_prime_size_policy>::type
- size_policy_type;
+ 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:
- typedef
- pb_ds::hash_standard_resize_policy<
- size_policy_type,
- pb_ds::hash_load_check_resize_trigger<
- false,
- size_type>,
- false,
- size_type>
- type;
+ /// Dispatched type.
+ typedef hash_standard_resize_policy<size_policy_type, trigger,
+ false, size_type> type;
};
+ /// Default update policy.
struct default_update_policy
{
- typedef pb_ds::move_to_front_lu_policy<> type;
+ /// 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 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:
- typedef
- typename conditional_type<
- is_same<
- pb_ds::direct_mask_range_hashing<size_t>,
- Comb_Probe_Fn>::value,
- pb_ds::linear_probe_fn<
- size_type>,
- pb_ds::quadratic_probe_fn<
- size_type> >::type
- type;
+ /// Dispatched type.
+ typedef typename cond_type::__type type;
};
+
+ /// Primary template, default_trie_access_traits.
template<typename Key>
- struct default_trie_e_access_traits;
-
- template<typename Char, class Char_Traits>
- struct default_trie_e_access_traits<
- std::basic_string<
- Char,
- Char_Traits,
- std::allocator<
- char> > >
- {
- typedef
- pb_ds::string_trie_e_access_traits<
- std::basic_string<
- Char,
- Char_Traits,
- std::allocator<
- char> > >
- type;
- };
+ 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 pb_ds
+} // namespace __gnu_pbds
#endif // #ifndef PB_DS_STANDARD_POLICIES_HPP
-