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Diffstat (limited to 'gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/splay_tree_/node.hpp')
-rw-r--r-- | gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/splay_tree_/node.hpp | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/splay_tree_/node.hpp b/gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/splay_tree_/node.hpp new file mode 100644 index 000000000..9cb4cb5ad --- /dev/null +++ b/gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/splay_tree_/node.hpp @@ -0,0 +1,126 @@ +// -*- C++ -*- + +// Copyright (C) 2005-2014 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 splay_tree_/node.hpp + * Contains an implementation struct for splay_tree_'s node. + */ + +#ifndef PB_DS_SPLAY_TREE_NODE_HPP +#define PB_DS_SPLAY_TREE_NODE_HPP + +namespace __gnu_pbds +{ + namespace detail + { + /// Node for splay tree. + template<typename Value_Type, class Metadata, typename _Alloc> + struct splay_tree_node_ + { + public: + typedef Value_Type value_type; + typedef Metadata metadata_type; + + typedef + typename _Alloc::template rebind< + splay_tree_node_<Value_Type, Metadata, _Alloc> >::other::pointer + node_pointer; + + typedef + typename _Alloc::template rebind<metadata_type>::other::reference + metadata_reference; + + typedef + typename _Alloc::template rebind<metadata_type>::other::const_reference + metadata_const_reference; + +#ifdef PB_DS_BIN_SEARCH_TREE_TRACE_ + void + trace() const + { std::cout << PB_DS_V2F(m_value) << "(" << m_metadata << ")"; } +#endif + + inline bool + special() const + { return m_special; } + + inline metadata_const_reference + get_metadata() const + { return m_metadata; } + + inline metadata_reference + get_metadata() + { return m_metadata; } + + value_type m_value; + bool m_special; + node_pointer m_p_left; + node_pointer m_p_right; + node_pointer m_p_parent; + metadata_type m_metadata; + }; + + template<typename Value_Type, typename _Alloc> + struct splay_tree_node_<Value_Type, null_type, _Alloc> + { + public: + typedef Value_Type value_type; + typedef null_type metadata_type; + + typedef + typename _Alloc::template rebind< + splay_tree_node_<Value_Type, null_type, _Alloc> >::other::pointer + node_pointer; + + inline bool + special() const + { return m_special; } + +#ifdef PB_DS_BIN_SEARCH_TREE_TRACE_ + void + trace() const + { std::cout << PB_DS_V2F(m_value); } +#endif + + node_pointer m_p_left; + node_pointer m_p_right; + node_pointer m_p_parent; + value_type m_value; + bool m_special; + }; + } // namespace detail +} // namespace __gnu_pbds + +#endif |