diff options
Diffstat (limited to 'gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/left_child_next_sibling_heap_/left_child_next_sibling_heap_.hpp')
-rw-r--r-- | gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/left_child_next_sibling_heap_/left_child_next_sibling_heap_.hpp | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/left_child_next_sibling_heap_/left_child_next_sibling_heap_.hpp b/gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/left_child_next_sibling_heap_/left_child_next_sibling_heap_.hpp new file mode 100644 index 0000000..7ced08f --- /dev/null +++ b/gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/left_child_next_sibling_heap_/left_child_next_sibling_heap_.hpp @@ -0,0 +1,286 @@ +// -*- 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 left_child_next_sibling_heap_/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_/point_const_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 +#include <debug/debug.h> + +namespace __gnu_pbds +{ + namespace detail + { +#ifdef _GLIBCXX_DEBUG +#define PB_DS_CLASS_T_DEC \ + template<typename Value_Type, typename Cmp_Fn, typename Node_Metadata, \ + typename _Alloc, bool Single_Link_Roots> + +#define PB_DS_CLASS_C_DEC \ + left_child_next_sibling_heap<Value_Type, Cmp_Fn, Node_Metadata, \ + _Alloc, Single_Link_Roots> +#else +#define PB_DS_CLASS_T_DEC \ + template<typename Value_Type, typename Cmp_Fn, typename Node_Metadata, \ + typename _Alloc> + +#define PB_DS_CLASS_C_DEC \ + left_child_next_sibling_heap<Value_Type, Cmp_Fn, Node_Metadata, _Alloc> +#endif + + /// Base class for a basic heap. + template<typename Value_Type, + typename Cmp_Fn, + typename Node_Metadata, + typename _Alloc +#ifdef _GLIBCXX_DEBUG + ,bool Single_Link_Roots> +#else + > +#endif + class left_child_next_sibling_heap : public Cmp_Fn + { + protected: + typedef + typename _Alloc::template rebind< + left_child_next_sibling_heap_node_<Value_Type, Node_Metadata, + _Alloc> >::other + node_allocator; + + typedef typename node_allocator::value_type node; + typedef typename node_allocator::pointer node_pointer; + typedef typename node_allocator::const_pointer node_const_pointer; + typedef Node_Metadata node_metadata; + typedef std::pair< node_pointer, node_pointer> node_pointer_pair; + + private: + typedef cond_dealtor< node, _Alloc> cond_dealtor_t; + + enum + { + simple_value = is_simple<Value_Type>::value + }; + + typedef integral_constant<int, simple_value> no_throw_copies_t; + typedef typename _Alloc::template rebind<Value_Type> __rebind_v; + + public: + typedef typename _Alloc::size_type size_type; + typedef typename _Alloc::difference_type difference_type; + typedef Value_Type value_type; + + typedef typename __rebind_v::other::pointer pointer; + typedef typename __rebind_v::other::const_pointer const_pointer; + typedef typename __rebind_v::other::reference reference; + typedef typename __rebind_v::other::const_reference const_reference; + + typedef left_child_next_sibling_heap_node_point_const_iterator_<node, _Alloc> + point_const_iterator; + + typedef point_const_iterator point_iterator; + + typedef left_child_next_sibling_heap_const_iterator_<node, _Alloc> + const_iterator; + + typedef const_iterator iterator; + typedef Cmp_Fn cmp_fn; + typedef _Alloc allocator_type; + + left_child_next_sibling_heap(); + left_child_next_sibling_heap(const Cmp_Fn&); + left_child_next_sibling_heap(const left_child_next_sibling_heap&); + + void + swap(PB_DS_CLASS_C_DEC&); + + ~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 + + protected: + inline node_pointer + get_new_node_for_insert(const_reference); + + inline static void + make_child_of(node_pointer, node_pointer); + + void + value_swap(left_child_next_sibling_heap&); + + inline static node_pointer + parent(node_pointer); + + inline void + swap_with_parent(node_pointer, node_pointer); + + void + bubble_to_top(node_pointer); + + inline void + actual_erase_node(node_pointer); + + void + clear_imp(node_pointer); + + void + to_linked_list(); + + template<typename Pred> + node_pointer + prune(Pred); + +#ifdef _GLIBCXX_DEBUG + void + assert_valid(const char*, int) const; + + void + assert_node_consistent(node_const_pointer, bool, const char*, int) const; + + static size_type + size_under_node(node_const_pointer); + + static size_type + degree(node_const_pointer); +#endif + +#ifdef PB_DS_LC_NS_HEAP_TRACE_ + static void + trace_node(node_const_pointer, size_type); +#endif + + private: +#ifdef _GLIBCXX_DEBUG + void + assert_iterators(const char*, int) const; + + void + assert_size(const char*, int) const; + + static size_type + size_from_node(node_const_pointer); +#endif + + node_pointer + recursive_copy_node(node_const_pointer); + + inline node_pointer + get_new_node_for_insert(const_reference, false_type); + + inline node_pointer + get_new_node_for_insert(const_reference, true_type); + +#ifdef PB_DS_LC_NS_HEAP_TRACE_ + template<typename Metadata_> + static void + trace_node_metadata(node_const_pointer, type_to_type<Metadata_>); + + static void + trace_node_metadata(node_const_pointer, type_to_type<null_type>); +#endif + + static node_allocator s_node_allocator; + static no_throw_copies_t s_no_throw_copies_ind; + + protected: + node_pointer m_p_root; + size_type m_size; + }; + +#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 + + } // namespace detail +} // namespace __gnu_pbds + +#endif |