--- /dev/null
+// -*- 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 binary_heap_.hpp
+ * Contains an implementation class for a binary heap.
+ */
+
+#ifndef PB_DS_BINARY_HEAP_HPP
+#define PB_DS_BINARY_HEAP_HPP
+
+/*
+ * Based on CLRS.
+ */
+
+#include <queue>
+#include <algorithm>
+#include <ext/pb_ds/detail/cond_dealtor.hpp>
+#include <ext/pb_ds/detail/cond_dealtor.hpp>
+#include <ext/pb_ds/detail/type_utils.hpp>
+#include <ext/pb_ds/detail/binary_heap_/entry_cmp.hpp>
+#include <ext/pb_ds/detail/binary_heap_/entry_pred.hpp>
+#include <ext/pb_ds/detail/binary_heap_/resize_policy.hpp>
+#include <ext/pb_ds/detail/binary_heap_/const_point_iterator.hpp>
+#include <ext/pb_ds/detail/binary_heap_/const_iterator.hpp>
+#ifdef PB_DS_BINARY_HEAP_TRACE_
+#include <iostream>
+#endif
+#include <ext/pb_ds/detail/type_utils.hpp>
+#include <debug/debug.h>
+
+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 \
+ binary_heap_<Value_Type, Cmp_Fn, Allocator>
+
+#define PB_DS_ENTRY_CMP_DEC \
+ entry_cmp<Value_Type, Cmp_Fn, is_simple<Value_Type>::value, Allocator>::type
+
+#define PB_DS_RESIZE_POLICY_DEC \
+ __gnu_pbds::detail::resize_policy<typename Allocator::size_type>
+
+ /**
+ * class description = "Base class for some types of h3ap$">
+ **/
+ template<typename Value_Type, class Cmp_Fn, class Allocator>
+ class binary_heap_ : public PB_DS_ENTRY_CMP_DEC,
+ public PB_DS_RESIZE_POLICY_DEC
+ {
+
+ private:
+ enum
+ {
+ simple_value = is_simple<Value_Type>::value
+ };
+
+ typedef integral_constant<int, simple_value> no_throw_copies_t;
+
+ typedef
+ typename Allocator::template rebind<
+ Value_Type>::other
+ value_allocator;
+
+ typedef
+ typename __conditional_type<
+ simple_value,
+ Value_Type,
+ typename value_allocator::pointer>::__type
+ entry;
+
+ typedef
+ typename Allocator::template rebind<
+ entry>::other
+ entry_allocator;
+
+ typedef typename entry_allocator::pointer entry_pointer;
+
+ typedef typename PB_DS_ENTRY_CMP_DEC entry_cmp;
+
+ typedef PB_DS_RESIZE_POLICY_DEC resize_policy;
+
+ typedef
+ cond_dealtor<
+ Value_Type,
+ Allocator>
+ cond_dealtor_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
+ binary_heap_const_point_iterator_<
+ value_type,
+ entry,
+ simple_value,
+ Allocator>
+ const_point_iterator;
+
+ typedef const_point_iterator point_iterator;
+
+ typedef
+ binary_heap_const_iterator_<
+ value_type,
+ entry,
+ simple_value,
+ Allocator>
+ const_iterator;
+
+ typedef const_iterator iterator;
+
+ typedef Cmp_Fn cmp_fn;
+
+ typedef Allocator allocator_type;
+
+ public:
+
+ binary_heap_();
+
+ binary_heap_(const Cmp_Fn& r_cmp_fn);
+
+ binary_heap_(const PB_DS_CLASS_C_DEC& other);
+
+ void
+ swap(PB_DS_CLASS_C_DEC& other);
+
+ ~binary_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 point_iterator
+ push(const_reference r_val);
+
+ void
+ modify(point_iterator it, const_reference r_new_val);
+
+ inline const_reference
+ top() const;
+
+ inline void
+ pop();
+
+ inline void
+ erase(point_iterator it);
+
+ template<typename Pred>
+ typename PB_DS_CLASS_C_DEC::size_type
+ erase_if(Pred pred);
+
+ inline static void
+ erase_at(entry_pointer a_entries, size_type size, false_type);
+
+ inline static void
+ erase_at(entry_pointer a_entries, size_type size, true_type);
+
+ inline iterator
+ begin();
+
+ inline const_iterator
+ begin() const;
+
+ inline iterator
+ end();
+
+ inline const_iterator
+ end() const;
+
+ void
+ clear();
+
+ template<typename Pred>
+ void
+ split(Pred pred, PB_DS_CLASS_C_DEC& other);
+
+ void
+ join(PB_DS_CLASS_C_DEC& other);
+
+#ifdef PB_DS_BINARY_HEAP_TRACE_
+ void
+ trace() const;
+#endif
+
+ protected:
+
+ template<typename It>
+ void
+ copy_from_range(It first_it, It last_it);
+
+ private:
+
+ void
+ value_swap(PB_DS_CLASS_C_DEC& other);
+
+ inline void
+ insert_value(const_reference r_val, false_type);
+
+ inline void
+ insert_value(value_type val, true_type);
+
+ inline void
+ insert_entry(entry e);
+
+ inline void
+ resize_for_insert_if_needed();
+
+ inline void
+ swap_value_imp(entry_pointer p_e, value_type new_val, true_type);
+
+ inline void
+ swap_value_imp(entry_pointer p_e, const_reference r_new_val, false_type);
+
+ void
+ fix(entry_pointer p_e);
+
+ inline const_reference
+ top_imp(true_type) const;
+
+ inline const_reference
+ top_imp(false_type) const;
+
+ inline static size_type
+ left_child(size_type i);
+
+ inline static size_type
+ right_child(size_type i);
+
+ inline static size_type
+ parent(size_type i);
+
+ inline void
+ resize_for_erase_if_needed();
+
+ template<typename Pred>
+ size_type
+ partition(Pred pred);
+
+#ifdef _GLIBCXX_DEBUG
+ void
+ assert_valid() const;
+#endif
+
+#ifdef PB_DS_BINARY_HEAP_TRACE_
+ void
+ trace_entry(const entry& r_e, false_type) const;
+
+ void
+ trace_entry(const entry& r_e, true_type) const;
+#endif
+
+ private:
+ static entry_allocator s_entry_allocator;
+
+ static value_allocator s_value_allocator;
+
+ static no_throw_copies_t s_no_throw_copies_ind;
+
+ size_type m_size;
+
+ size_type m_actual_size;
+
+ entry_pointer m_a_entries;
+ };
+
+#include <ext/pb_ds/detail/binary_heap_/insert_fn_imps.hpp>
+#include <ext/pb_ds/detail/binary_heap_/constructors_destructor_fn_imps.hpp>
+#include <ext/pb_ds/detail/binary_heap_/iterators_fn_imps.hpp>
+#include <ext/pb_ds/detail/binary_heap_/debug_fn_imps.hpp>
+#include <ext/pb_ds/detail/binary_heap_/trace_fn_imps.hpp>
+#include <ext/pb_ds/detail/binary_heap_/erase_fn_imps.hpp>
+#include <ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp>
+#include <ext/pb_ds/detail/binary_heap_/find_fn_imps.hpp>
+#include <ext/pb_ds/detail/binary_heap_/split_join_fn_imps.hpp>
+#include <ext/pb_ds/detail/binary_heap_/policy_access_fn_imps.hpp>
+
+#undef PB_DS_CLASS_C_DEC
+#undef PB_DS_CLASS_T_DEC
+#undef PB_DS_ENTRY_CMP_DEC
+#undef PB_DS_RESIZE_POLICY_DEC
+
+ } // namespace detail
+} // namespace __gnu_pbds
+
+#endif
projects / msp430-gcc.git / blobdiff