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// -*- C++ -*-
// Copyright (C) 2005-2015 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 rc_binomial_heap_/rc_binomial_heap_.hpp
* Contains an implementation for redundant-counter binomial heap.
*/
#include <ext/pb_ds/detail/cond_dealtor.hpp>
#include <ext/pb_ds/detail/type_utils.hpp>
#include <ext/pb_ds/detail/binomial_heap_base_/binomial_heap_base_.hpp>
#include <ext/pb_ds/detail/rc_binomial_heap_/rc.hpp>
#include <debug/debug.h>
namespace __gnu_pbds
{
namespace detail
{
#define PB_DS_CLASS_T_DEC \
template<typename Value_Type, typename Cmp_Fn, typename _Alloc>
#define PB_DS_CLASS_C_DEC \
rc_binomial_heap<Value_Type, Cmp_Fn, _Alloc>
#define PB_DS_RC_C_DEC \
rc<typename binomial_heap_base<Value_Type, Cmp_Fn, _Alloc>::node, _Alloc>
/**
* Redundant-counter binomial heap.
*
* @ingroup heap-detail
*/
template<typename Value_Type, typename Cmp_Fn, typename _Alloc>
class rc_binomial_heap
: public binomial_heap_base<Value_Type, Cmp_Fn, _Alloc>
{
private:
typedef binomial_heap_base<Value_Type, Cmp_Fn, _Alloc>
base_type;
typedef typename base_type::node_pointer node_pointer;
typedef typename base_type::node_const_pointer node_const_pointer;
typedef PB_DS_RC_C_DEC rc_t;
public:
typedef Value_Type value_type;
typedef typename _Alloc::size_type size_type;
typedef typename _Alloc::difference_type difference_type;
typedef typename base_type::pointer pointer;
typedef typename base_type::const_pointer const_pointer;
typedef typename base_type::reference reference;
typedef typename base_type::const_reference const_reference;
typedef typename base_type::point_const_iterator point_const_iterator;
typedef typename base_type::point_iterator point_iterator;
typedef typename base_type::const_iterator const_iterator;
typedef typename base_type::iterator iterator;
typedef typename base_type::cmp_fn cmp_fn;
typedef typename base_type::allocator_type allocator_type;
rc_binomial_heap();
rc_binomial_heap(const Cmp_Fn&);
rc_binomial_heap(const PB_DS_CLASS_C_DEC&);
~rc_binomial_heap();
void
swap(PB_DS_CLASS_C_DEC&);
inline point_iterator
push(const_reference);
void
modify(point_iterator, const_reference);
inline void
pop();
void
erase(point_iterator);
inline void
clear();
template<typename Pred>
size_type
erase_if(Pred);
template<typename Pred>
void
split(Pred, PB_DS_CLASS_C_DEC&);
void
join(PB_DS_CLASS_C_DEC&);
#ifdef _GLIBCXX_DEBUG
void
assert_valid(const char*, int) const;
#endif
#ifdef PB_DS_RC_BINOMIAL_HEAP_TRACE_
void
trace() const;
#endif
private:
inline node_pointer
link_with_next_sibling(node_pointer);
void
make_0_exposed();
void
make_binomial_heap();
#ifdef _GLIBCXX_DEBUG
static node_const_pointer
next_2_pointer(node_const_pointer);
static node_const_pointer
next_after_0_pointer(node_const_pointer);
#endif
rc_t m_rc;
};
#include <ext/pb_ds/detail/rc_binomial_heap_/constructors_destructor_fn_imps.hpp>
#include <ext/pb_ds/detail/rc_binomial_heap_/debug_fn_imps.hpp>
#include <ext/pb_ds/detail/rc_binomial_heap_/erase_fn_imps.hpp>
#include <ext/pb_ds/detail/rc_binomial_heap_/trace_fn_imps.hpp>
#include <ext/pb_ds/detail/rc_binomial_heap_/insert_fn_imps.hpp>
#include <ext/pb_ds/detail/rc_binomial_heap_/split_join_fn_imps.hpp>
#undef PB_DS_CLASS_C_DEC
#undef PB_DS_CLASS_T_DEC
#undef PB_DS_RC_C_DEC
} // namespace detail
} // namespace __gnu_pbds
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