libstdc++-v3/include/ext/pb_ds/detail/thin_heap_/constructors_destructor_fn_imps.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005-2017 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 thin_heap_/constructors_destructor_fn_imps.hpp
  38  * Contains an implementation for thin_heap_.
  39  */
  40
  41 PB_DS_CLASS_T_DEC
  42 template<typename It>
  43 void
  44 PB_DS_CLASS_C_DEC::
  45 copy_from_range(It first_it, It last_it)
  46 {
  47   while (first_it != last_it)
  48     push(*(first_it++));
  49   PB_DS_ASSERT_VALID((*this))
  50 }
  51
  52 PB_DS_CLASS_T_DEC
  53 PB_DS_CLASS_C_DEC::
  54 thin_heap() : m_p_max(0)
  55 {
  56   initialize();
  57   PB_DS_ASSERT_VALID((*this))
  58 }
  59
  60 PB_DS_CLASS_T_DEC
  61 PB_DS_CLASS_C_DEC::
  62 thin_heap(const Cmp_Fn& r_cmp_fn)
  63 : base_type(r_cmp_fn), m_p_max(0)
  64 {
  65   initialize();
  66   PB_DS_ASSERT_VALID((*this))
  67 }
  68
  69 PB_DS_CLASS_T_DEC
  70 PB_DS_CLASS_C_DEC::
  71 thin_heap(const PB_DS_CLASS_C_DEC& other)
  72 : base_type(other)
  73 {
  74   initialize();
  75   m_p_max = base_type::m_p_root;
  76   for (node_pointer p_nd = base_type::m_p_root; p_nd != 0;
  77        p_nd = p_nd->m_p_next_sibling)
  78     if (Cmp_Fn::operator()(m_p_max->m_value, p_nd->m_value))
  79       m_p_max = p_nd;
  80
  81   PB_DS_ASSERT_VALID((*this))
  82 }
  83
  84 PB_DS_CLASS_T_DEC
  85 void
  86 PB_DS_CLASS_C_DEC::
  87 swap(PB_DS_CLASS_C_DEC& other)
  88 {
  89   PB_DS_ASSERT_VALID((*this))
  90   base_type::swap(other);
  91   std::swap(m_p_max, other.m_p_max);
  92   PB_DS_ASSERT_VALID((*this))
  93 }
  94
  95 PB_DS_CLASS_T_DEC
  96 PB_DS_CLASS_C_DEC::
  97 ~thin_heap()
  98 { }
  99
 100 PB_DS_CLASS_T_DEC
 101 void
 102 PB_DS_CLASS_C_DEC::
 103 initialize()
 104 { std::fill(m_a_aux, m_a_aux + max_rank, static_cast<node_pointer>(0)); }
 105