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The C and C++ Include Header Files

/usr/include/c++/13/ext/pb_ds/detail/binary_heap_/find_fn_imps.hpp


$ cat -n /usr/include/c++/13/ext/pb_ds/detail/binary_heap_/find_fn_imps.hpp

     1	// -*- C++ -*-
     2	
     3	// Copyright (C) 2005-2023 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_/find_fn_imps.hpp
    38	 * Contains an implementation class for a binary_heap.
    39	 */
    40	
    41	#ifdef PB_DS_CLASS_C_DEC
    42	
    43	PB_DS_CLASS_T_DEC
    44	inline typename PB_DS_CLASS_C_DEC::const_reference
    45	PB_DS_CLASS_C_DEC::
    46	top() const
    47	{
    48	  PB_DS_ASSERT_VALID((*this))
    49	  _GLIBCXX_DEBUG_ASSERT(!empty());
    50	  return top_imp(s_no_throw_copies_ind);
    51	}
    52	
    53	PB_DS_CLASS_T_DEC
    54	inline typename PB_DS_CLASS_C_DEC::const_reference
    55	PB_DS_CLASS_C_DEC::
    56	top_imp(true_type) const
    57	{ return *m_a_entries; }
    58	
    59	PB_DS_CLASS_T_DEC
    60	inline typename PB_DS_CLASS_C_DEC::const_reference
    61	PB_DS_CLASS_C_DEC::
    62	top_imp(false_type) const
    63	{ return **m_a_entries; }
    64	
    65	PB_DS_CLASS_T_DEC
    66	inline typename PB_DS_CLASS_C_DEC::size_type
    67	PB_DS_CLASS_C_DEC::
    68	left_child(size_type i)
    69	{ return i * 2 + 1; }
    70	
    71	PB_DS_CLASS_T_DEC
    72	inline typename PB_DS_CLASS_C_DEC::size_type
    73	PB_DS_CLASS_C_DEC::
    74	right_child(size_type i)
    75	{ return i * 2 + 2; }
    76	
    77	PB_DS_CLASS_T_DEC
    78	inline typename PB_DS_CLASS_C_DEC::size_type
    79	PB_DS_CLASS_C_DEC::
    80	parent(size_type i)
    81	{ return (i - 1) / 2; }
    82	#endif