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Diffstat (limited to 'libstdc++-v3/include/ext/pb_ds/detail/left_child_next_sibling_heap_/left_child_next_sibling_heap_.hpp')
| -rw-r--r-- | libstdc++-v3/include/ext/pb_ds/detail/left_child_next_sibling_heap_/left_child_next_sibling_heap_.hpp | 380 |
1 files changed, 380 insertions, 0 deletions
diff --git a/libstdc++-v3/include/ext/pb_ds/detail/left_child_next_sibling_heap_/left_child_next_sibling_heap_.hpp b/libstdc++-v3/include/ext/pb_ds/detail/left_child_next_sibling_heap_/left_child_next_sibling_heap_.hpp new file mode 100644 index 00000000000..411c4f28b14 --- /dev/null +++ b/libstdc++-v3/include/ext/pb_ds/detail/left_child_next_sibling_heap_/left_child_next_sibling_heap_.hpp @@ -0,0 +1,380 @@ +// -*- C++ -*- + +// Copyright (C) 2005, 2006 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 +// 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. + +// 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. + +// 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 left_child_next_sibling_heap_.hpp + * Contains an implementation class for a basic heap. + */ + +#ifndef PB_DS_LEFT_CHILD_NEXT_SIBLING_HEAP_HPP +#define PB_DS_LEFT_CHILD_NEXT_SIBLING_HEAP_HPP + +/* + * Based on CLRS. + */ + +#include <iterator> +#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_/node.hpp> +#include <ext/pb_ds/detail/left_child_next_sibling_heap_/const_point_iterator.hpp> +#include <ext/pb_ds/detail/left_child_next_sibling_heap_/const_iterator.hpp> +#ifdef PB_DS_LC_NS_HEAP_TRACE_ +#include <iostream> +#endif // #ifdef PB_DS_LC_NS_HEAP_TRACE_ + +namespace pb_ds +{ + namespace detail + { + +#ifdef PB_DS_LC_NS_HEAP_DEBUG_ +#define PB_DS_DBG_ASSERT(X) assert(X) +#define PB_DS_DBG_VERIFY(X) assert(X) +#define PB_DS_DBG_ONLY(X) X +#else // #ifdef PB_DS_LC_NS_HEAP_DEBUG_ +#define PB_DS_DBG_ASSERT(X) +#define PB_DS_DBG_VERIFY(X) {if((X)==0);} +#define PB_DS_DBG_ONLY(X) ; +#endif // #ifdef PB_DS_LC_NS_HEAP_DEBUG_ + +#ifdef PB_DS_LC_NS_HEAP_DEBUG_ +#define PB_DS_CLASS_T_DEC \ + template< \ + typename Value_Type, \ + class Cmp_Fn, \ + typename Node_Metadata, \ + class Allocator, \ + bool Single_Link_Roots> +#else // #ifdef PB_DS_LC_NS_HEAP_DEBUG_ +#define PB_DS_CLASS_T_DEC \ + template< \ + typename Value_Type, \ + class Cmp_Fn, \ + typename Node_Metadata, \ + class Allocator> +#endif // #ifdef PB_DS_LC_NS_HEAP_DEBUG_ + +#ifdef PB_DS_LC_NS_HEAP_DEBUG_ +#define PB_DS_CLASS_C_DEC \ + left_child_next_sibling_heap_< \ + Value_Type, \ + Cmp_Fn, \ + Node_Metadata, \ + Allocator, \ + Single_Link_Roots> +#else // #ifdef PB_DS_LC_NS_HEAP_DEBUG_ +#define PB_DS_CLASS_C_DEC \ + left_child_next_sibling_heap_< \ + Value_Type, \ + Cmp_Fn, \ + Node_Metadata, \ + Allocator> +#endif // #ifdef PB_DS_LC_NS_HEAP_DEBUG_ + + /** + * class description = "Base class for some types of h3ap$"> + **/ +#ifdef PB_DS_LC_NS_HEAP_DEBUG_ + template<typename Value_Type, + class Cmp_Fn, + typename Node_Metadata, + class Allocator, + bool Single_Link_Roots> +#else // #ifdef PB_DS_LC_NS_HEAP_DEBUG_ + template<typename Value_Type, + class Cmp_Fn, + typename Node_Metadata, + class Allocator> +#endif // #ifdef PB_DS_LC_NS_HEAP_DEBUG_ + class left_child_next_sibling_heap_ : public Cmp_Fn + { + + protected: + typedef + typename Allocator::template rebind< + left_child_next_sibling_heap_node_< + Value_Type, + Node_Metadata, + Allocator> >::other + node_allocator; + + typedef typename node_allocator::value_type node; + + typedef typename node_allocator::pointer node_pointer; + + typedef typename node_allocator::const_pointer const_node_pointer; + + typedef Node_Metadata node_metadata; + + typedef std::pair< node_pointer, node_pointer> node_pointer_pair; + + private: + typedef cond_dealtor< node, Allocator> cond_dealtor_t; + + enum + { + simple_value = is_simple< + Value_Type>::value + }; + + typedef integral_constant<int, simple_value> no_throw_copies_t; + + 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 + left_child_next_sibling_heap_node_const_point_iterator_< + node, + Allocator> + const_point_iterator; + + typedef const_point_iterator point_iterator; + + typedef + left_child_next_sibling_heap_const_iterator_< + node, + Allocator> + const_iterator; + + typedef const_iterator iterator; + + typedef Cmp_Fn cmp_fn; + + typedef Allocator allocator; + + public: + + left_child_next_sibling_heap_(); + + left_child_next_sibling_heap_(const Cmp_Fn& r_cmp_fn); + + left_child_next_sibling_heap_(const PB_DS_CLASS_C_DEC& other); + + void + swap(PB_DS_CLASS_C_DEC& other); + + ~left_child_next_sibling_heap_(); + + inline bool + empty() const; + + inline size_type + size() const; + + inline size_type + max_size() const; + + Cmp_Fn& + get_cmp_fn(); + + const Cmp_Fn& + get_cmp_fn() const; + + inline iterator + begin(); + + inline const_iterator + begin() const; + + inline iterator + end(); + + inline const_iterator + end() const; + + void + clear(); + +#ifdef PB_DS_LC_NS_HEAP_TRACE_ + + void + trace() const; + +#endif // #ifdef PB_DS_LC_NS_HEAP_TRACE_ + + protected: + + inline node_pointer + get_new_node_for_insert(const_reference r_val); + + inline static void + make_child_of(node_pointer p_nd, node_pointer p_new_parent); + + void + value_swap(PB_DS_CLASS_C_DEC& other); + + inline static node_pointer + parent(node_pointer p_nd); + + inline void + swap_with_parent(node_pointer p_nd, node_pointer p_parent); + + void + bubble_to_top(node_pointer p_nd); + + inline void + actual_erase_node(node_pointer p_nd); + + void + clear_imp(node_pointer p_nd); + + void + to_linked_list(); + + template<typename Pred> + node_pointer + prune(Pred pred); + +#ifdef PB_DS_LC_NS_HEAP_DEBUG_ + + void + assert_valid() const; + + void + assert_node_consistent(const_node_pointer p_nd, bool single_link) const; + + static size_type + size_under_node(const_node_pointer p_nd); + + static size_type + degree(const_node_pointer p_nd); + +#endif // #ifdef PB_DS_LC_NS_HEAP_DEBUG_ + +#ifdef PB_DS_LC_NS_HEAP_TRACE_ + + static void + trace_node(const_node_pointer, size_type level); + +#endif // #ifdef PB_DS_LC_NS_HEAP_TRACE_ + + protected: + node_pointer m_p_root; + + size_type m_size; + + private: +#ifdef PB_DS_LC_NS_HEAP_DEBUG_ + + void + assert_iterators() const; + + void + assert_size() const; + + static size_type + size_from_node(const_node_pointer p_nd); + +#endif // #ifdef PB_DS_LC_NS_HEAP_DEBUG_ + + node_pointer + recursive_copy_node(const_node_pointer p_nd); + + inline node_pointer + get_new_node_for_insert(const_reference r_val, false_type); + + inline node_pointer + get_new_node_for_insert(const_reference r_val, true_type); + +#ifdef PB_DS_LC_NS_HEAP_TRACE_ + + template<typename Metadata_> + static void + trace_node_metadata(const_node_pointer p_nd, type_to_type<Metadata_>); + + static void + trace_node_metadata(const_node_pointer, type_to_type<null_left_child_next_sibling_heap_node_metadata>); + +#endif // #ifdef PB_DS_LC_NS_HEAP_TRACE_ + + private: + static node_allocator s_node_allocator; + + static no_throw_copies_t s_no_throw_copies_ind; + }; + +#include <ext/pb_ds/detail/left_child_next_sibling_heap_/constructors_destructor_fn_imps.hpp> +#include <ext/pb_ds/detail/left_child_next_sibling_heap_/iterators_fn_imps.hpp> +#include <ext/pb_ds/detail/left_child_next_sibling_heap_/debug_fn_imps.hpp> +#include <ext/pb_ds/detail/left_child_next_sibling_heap_/trace_fn_imps.hpp> +#include <ext/pb_ds/detail/left_child_next_sibling_heap_/insert_fn_imps.hpp> +#include <ext/pb_ds/detail/left_child_next_sibling_heap_/erase_fn_imps.hpp> +#include <ext/pb_ds/detail/left_child_next_sibling_heap_/info_fn_imps.hpp> +#include <ext/pb_ds/detail/left_child_next_sibling_heap_/policy_access_fn_imps.hpp> + +#undef PB_DS_CLASS_C_DEC + +#undef PB_DS_CLASS_T_DEC + +#undef PB_DS_DBG_ASSERT +#undef PB_DS_DBG_VERIFY +#undef PB_DS_DBG_ONLY + + } // namespace detail +} // namespace pb_ds + +#endif // #ifndef PB_DS_LEFT_CHILD_NEXT_SIBLING_HEAP_HPP |