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Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/binomial_heap_base_/binomial_heap_base_.hpp')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/binomial_heap_base_/binomial_heap_base_.hpp | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/binomial_heap_base_/binomial_heap_base_.hpp b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/binomial_heap_base_/binomial_heap_base_.hpp new file mode 100644 index 000000000..1d66d1b14 --- /dev/null +++ b/gcc-4.4.3/libstdc++-v3/include/ext/pb_ds/detail/binomial_heap_base_/binomial_heap_base_.hpp @@ -0,0 +1,234 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 2006, 2009 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 binomial_heap_base_.hpp + * Contains an implementation class for a base of binomial heaps. + */ + +#ifndef PB_DS_BINOMIAL_HEAP_BASE_HPP +#define PB_DS_BINOMIAL_HEAP_BASE_HPP + +/* + * Binomial heap base. + * Vuillemin J is the mastah. + * Modified from CLRS. + */ + +#include <debug/debug.h> +#include <ext/pb_ds/detail/cond_dealtor.hpp> +#include <ext/pb_ds/detail/type_utils.hpp> +#include <ext/pb_ds/detail/left_child_next_sibling_heap_/left_child_next_sibling_heap_.hpp> +#include <ext/pb_ds/detail/left_child_next_sibling_heap_/null_metadata.hpp> + +namespace __gnu_pbds +{ + namespace detail + { + +#define PB_DS_CLASS_T_DEC \ + template<typename Value_Type, class Cmp_Fn, class Allocator> + +#define PB_DS_CLASS_C_DEC \ + binomial_heap_base_<Value_Type, Cmp_Fn, Allocator> + +#ifdef _GLIBCXX_DEBUG +#define PB_DS_BASE_C_DEC \ + left_child_next_sibling_heap_<Value_Type, Cmp_Fn, \ + typename Allocator::size_type, \ + Allocator, false> +#else +#define PB_DS_BASE_C_DEC \ + left_child_next_sibling_heap_<Value_Type, Cmp_Fn, \ + typename Allocator::size_type, Allocator> +#endif + + /** + * class description = "8y|\|0|\/|i41 h34p 74813"> + **/ + template<typename Value_Type, class Cmp_Fn, class Allocator> + class binomial_heap_base_ : public PB_DS_BASE_C_DEC + { + + private: + typedef PB_DS_BASE_C_DEC base_type; + + protected: + typedef typename base_type::node node; + + typedef typename base_type::node_pointer node_pointer; + + typedef typename base_type::const_node_pointer const_node_pointer; + + public: + + typedef typename Allocator::size_type size_type; + + typedef typename Allocator::difference_type difference_type; + + typedef Value_Type value_type; + + typedef + typename Allocator::template rebind< + value_type>::other::pointer + pointer; + + typedef + typename Allocator::template rebind< + value_type>::other::const_pointer + const_pointer; + + typedef + typename Allocator::template rebind< + value_type>::other::reference + reference; + + typedef + typename Allocator::template rebind< + value_type>::other::const_reference + const_reference; + + typedef + typename PB_DS_BASE_C_DEC::const_point_iterator + const_point_iterator; + + typedef typename PB_DS_BASE_C_DEC::point_iterator point_iterator; + + typedef typename PB_DS_BASE_C_DEC::const_iterator const_iterator; + + typedef typename PB_DS_BASE_C_DEC::iterator iterator; + + typedef Cmp_Fn cmp_fn; + + typedef Allocator allocator_type; + + public: + + inline point_iterator + push(const_reference r_val); + + void + modify(point_iterator it, const_reference r_new_val); + + inline const_reference + top() const; + + void + pop(); + + void + erase(point_iterator it); + + inline void + clear(); + + template<typename Pred> + size_type + erase_if(Pred pred); + + template<typename Pred> + void + split(Pred pred, PB_DS_CLASS_C_DEC& other); + + void + join(PB_DS_CLASS_C_DEC& other); + + protected: + + binomial_heap_base_(); + + binomial_heap_base_(const Cmp_Fn& r_cmp_fn); + + binomial_heap_base_(const PB_DS_CLASS_C_DEC& other); + + void + swap(PB_DS_CLASS_C_DEC& other); + + ~binomial_heap_base_(); + + template<typename It> + void + copy_from_range(It first_it, It last_it); + + inline void + find_max(); + +#ifdef _GLIBCXX_DEBUG + void + assert_valid(bool strictly_binomial) const; + + void + assert_max() const; +#endif + + private: + + inline node_pointer + fix(node_pointer p_nd) const; + + inline void + insert_node(node_pointer p_nd); + + inline void + remove_parentless_node(node_pointer p_nd); + + inline node_pointer + join(node_pointer p_lhs, node_pointer p_rhs) const; + +#ifdef _GLIBCXX_DEBUG + void + assert_node_consistent(const_node_pointer, bool, bool) const; +#endif + + protected: + node_pointer m_p_max; + }; + +#include <ext/pb_ds/detail/binomial_heap_base_/constructors_destructor_fn_imps.hpp> +#include <ext/pb_ds/detail/binomial_heap_base_/debug_fn_imps.hpp> +#include <ext/pb_ds/detail/binomial_heap_base_/find_fn_imps.hpp> +#include <ext/pb_ds/detail/binomial_heap_base_/insert_fn_imps.hpp> +#include <ext/pb_ds/detail/binomial_heap_base_/erase_fn_imps.hpp> +#include <ext/pb_ds/detail/binomial_heap_base_/split_join_fn_imps.hpp> + +#undef PB_DS_CLASS_C_DEC +#undef PB_DS_CLASS_T_DEC +#undef PB_DS_BASE_C_DEC + + + } // namespace detail +} // namespace __gnu_pbds + +#endif |