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The C and C++ Include Header Files

/usr/include/c++/11/ext/pb_ds/detail/binary_heap_/constructors_destructor_fn_imps.hpp


$ cat -n /usr/include/c++/11/ext/pb_ds/detail/binary_heap_/constructors_destructor_fn_imps.hpp

     1	// -*- C++ -*-
     2	
     3	// Copyright (C) 2005-2021 Free Software Foundation, Inc.
     4	//
     5	// This file is part of the GNU ISO C++ Library.  This library is free
     6	// software; you can redistribute it and/or modify it under the terms
     7	// of the GNU General Public License as published by the Free Software
     8	// Foundation; either version 3, or (at your option) any later
     9	// version.
    10	
    11	// This library is distributed in the hope that it will be useful, but
    12	// WITHOUT ANY WARRANTY; without even the implied warranty of
    13	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    14	// General Public License for more details.
    15	
    16	// Under Section 7 of GPL version 3, you are granted additional
    17	// permissions described in the GCC Runtime Library Exception, version
    18	// 3.1, as published by the Free Software Foundation.
    19	
    20	// You should have received a copy of the GNU General Public License and
    21	// a copy of the GCC Runtime Library Exception along with this program;
    22	// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
    23	// <http://www.gnu.org/licenses/>.
    24	
    25	// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
    26	
    27	// Permission to use, copy, modify, sell, and distribute this software
    28	// is hereby granted without fee, provided that the above copyright
    29	// notice appears in all copies, and that both that copyright notice
    30	// and this permission notice appear in supporting documentation. None
    31	// of the above authors, nor IBM Haifa Research Laboratories, make any
    32	// representation about the suitability of this software for any
    33	// purpose. It is provided "as is" without express or implied
    34	// warranty.
    35	
    36	/**
    37	 * @file binary_heap_/constructors_destructor_fn_imps.hpp
    38	 * Contains an implementation class for binary_heap_.
    39	 */
    40	
    41	#ifdef PB_DS_CLASS_C_DEC
    42	
    43	PB_DS_CLASS_T_DEC
    44	typename PB_DS_CLASS_C_DEC::entry_allocator
    45	PB_DS_CLASS_C_DEC::s_entry_allocator;
    46	
    47	PB_DS_CLASS_T_DEC
    48	typename PB_DS_CLASS_C_DEC::value_allocator
    49	PB_DS_CLASS_C_DEC::s_value_allocator;
    50	
    51	PB_DS_CLASS_T_DEC
    52	typename PB_DS_CLASS_C_DEC::no_throw_copies_t
    53	PB_DS_CLASS_C_DEC::s_no_throw_copies_ind;
    54	
    55	PB_DS_CLASS_T_DEC
    56	template<typename It>
    57	void
    58	PB_DS_CLASS_C_DEC::
    59	copy_from_range(It first_it, It last_it)
    60	{
    61	  while (first_it != last_it)
    62	    {
    63	      insert_value(*first_it, s_no_throw_copies_ind);
    64	      ++first_it;
    65	    }
    66	  make_heap();
    67	 PB_DS_ASSERT_VALID((*this))
    68	}
    69	
    70	PB_DS_CLASS_T_DEC
    71	PB_DS_CLASS_C_DEC::
    72	binary_heap()
    73	: m_size(0), m_actual_size(resize_policy::min_size),
    74	  m_a_entries(s_entry_allocator.allocate(m_actual_size))
    75	{ PB_DS_ASSERT_VALID((*this)) }
    76	
    77	PB_DS_CLASS_T_DEC
    78	PB_DS_CLASS_C_DEC::
    79	binary_heap(const Cmp_Fn& r_cmp_fn)
    80	: entry_cmp(r_cmp_fn), m_size(0), m_actual_size(resize_policy::min_size),
    81	  m_a_entries(s_entry_allocator.allocate(m_actual_size))
    82	{ PB_DS_ASSERT_VALID((*this)) }
    83	
    84	PB_DS_CLASS_T_DEC
    85	PB_DS_CLASS_C_DEC::
    86	binary_heap(const PB_DS_CLASS_C_DEC& other)
    87	: entry_cmp(other), resize_policy(other), m_size(0),
    88	  m_actual_size(other.m_actual_size),
    89	  m_a_entries(s_entry_allocator.allocate(m_actual_size))
    90	{
    91	  PB_DS_ASSERT_VALID(other)
    92	  _GLIBCXX_DEBUG_ASSERT(m_a_entries != other.m_a_entries);
    93	
    94	  __try
    95	    {
    96	      copy_from_range(other.begin(), other.end());
    97	    }
    98	  __catch(...)
    99	    {
   100	      for (size_type i = 0; i < m_size; ++i)
   101		erase_at(m_a_entries, i, s_no_throw_copies_ind);
   102	
   103	      s_entry_allocator.deallocate(m_a_entries, m_actual_size);
   104	      __throw_exception_again;
   105	    }
   106	  PB_DS_ASSERT_VALID((*this))
   107	}
   108	
   109	PB_DS_CLASS_T_DEC
   110	void
   111	PB_DS_CLASS_C_DEC::
   112	swap(PB_DS_CLASS_C_DEC& other)
   113	{
   114	  PB_DS_ASSERT_VALID((*this))
   115	  PB_DS_ASSERT_VALID(other)
   116	  _GLIBCXX_DEBUG_ASSERT(m_a_entries != other.m_a_entries);
   117	  value_swap(other);
   118	  std::swap((entry_cmp&)(*this), (entry_cmp&)other);
   119	  PB_DS_ASSERT_VALID((*this))
   120	  PB_DS_ASSERT_VALID(other)
   121	}
   122	
   123	PB_DS_CLASS_T_DEC
   124	void
   125	PB_DS_CLASS_C_DEC::
   126	value_swap(PB_DS_CLASS_C_DEC& other)
   127	{
   128	  std::swap(m_a_entries, other.m_a_entries);
   129	  std::swap(m_size, other.m_size);
   130	  std::swap(m_actual_size, other.m_actual_size);
   131	  static_cast<resize_policy*>(this)->swap(other);
   132	}
   133	
   134	PB_DS_CLASS_T_DEC
   135	PB_DS_CLASS_C_DEC::
   136	~binary_heap()
   137	{
   138	  for (size_type i = 0; i < m_size; ++i)
   139	    erase_at(m_a_entries, i, s_no_throw_copies_ind);
   140	  s_entry_allocator.deallocate(m_a_entries, m_actual_size);
   141	}
   142	#endif