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Diffstat (limited to 'i686-linux/include/c++/4.4.3/ext/pb_ds/priority_queue.hpp')
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diff --git a/i686-linux/include/c++/4.4.3/ext/pb_ds/priority_queue.hpp b/i686-linux/include/c++/4.4.3/ext/pb_ds/priority_queue.hpp new file mode 100644 index 0000000..531f70c --- /dev/null +++ b/i686-linux/include/c++/4.4.3/ext/pb_ds/priority_queue.hpp @@ -0,0 +1,125 @@ +// -*- 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 priority_queue.hpp + * Contains priority_queues. + */ + +#ifndef PB_DS_PRIORITY_QUEUE_HPP +#define PB_DS_PRIORITY_QUEUE_HPP + +#include <ext/pb_ds/tag_and_trait.hpp> +#include <ext/pb_ds/detail/priority_queue_base_dispatch.hpp> +#include <ext/pb_ds/detail/standard_policies.hpp> + +namespace __gnu_pbds +{ + // A priority queue. + template<typename Value_Type, + typename Cmp_Fn = std::less<Value_Type>, + typename Tag = pairing_heap_tag, + typename Allocator = std::allocator<char> > + class priority_queue + : public detail::priority_queue_base_dispatch<Value_Type,Cmp_Fn,Tag,Allocator>::type + { + private: + typedef typename detail::priority_queue_base_dispatch<Value_Type,Cmp_Fn,Tag,Allocator>::type base_type; + + public: + typedef Value_Type value_type; + typedef Cmp_Fn cmp_fn; + typedef Tag container_category; + typedef Allocator allocator_type; + typedef typename allocator_type::size_type size_type; + typedef typename allocator_type::difference_type difference_type; + + typedef typename allocator_type::template rebind<value_type>::other value_rebind; + typedef typename value_rebind::reference reference; + typedef typename value_rebind::const_reference const_reference; + typedef typename value_rebind::pointer pointer; + typedef typename value_rebind::const_pointer const_pointer; + + typedef typename base_type::const_point_iterator const_point_iterator; + typedef typename base_type::point_iterator point_iterator; + typedef typename base_type::const_iterator const_iterator; + typedef typename base_type::iterator iterator; + + priority_queue() { } + + // Constructor taking some policy objects. r_cmp_fn will be copied + // by the Cmp_Fn object of the container object. + priority_queue(const cmp_fn& r_cmp_fn) : base_type(r_cmp_fn) { } + + // Constructor taking __iterators to a range of value_types. The + // value_types between first_it and last_it will be inserted into + // the container object. + template<typename It> + priority_queue(It first_it, It last_it) + { base_type::copy_from_range(first_it, last_it); } + + // Constructor taking __iterators to a range of value_types and + // some policy objects The value_types between first_it and + // last_it will be inserted into the container object. r_cmp_fn + // will be copied by the cmp_fn object of the container object. + template<typename It> + priority_queue(It first_it, It last_it, const cmp_fn& r_cmp_fn) + : base_type(r_cmp_fn) + { base_type::copy_from_range(first_it, last_it); } + + priority_queue(const priority_queue& other) + : base_type((const base_type& )other) { } + + virtual + ~priority_queue() { } + + priority_queue& + operator=(const priority_queue& other) + { + if (this != &other) + { + priority_queue tmp(other); + swap(tmp); + } + return *this; + } + + void + swap(priority_queue& other) + { base_type::swap(other); } + }; +} // namespace __gnu_pbds + +#endif |