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

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005, 2006, 2009 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 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   _GLIBCXX_DEBUG_ONLY(assert_valid();)
  50 }
  51
  52 PB_DS_CLASS_T_DEC
  53 PB_DS_CLASS_C_DEC::
  54 thin_heap_() :
  55   m_p_max(0)
  56 {
  57   initialize();
  58   _GLIBCXX_DEBUG_ONLY(assert_valid();)
  59 }
  60
  61 PB_DS_CLASS_T_DEC
  62 PB_DS_CLASS_C_DEC::
  63 thin_heap_(const Cmp_Fn& r_cmp_fn) :
  64   PB_DS_BASE_C_DEC(r_cmp_fn),
  65   m_p_max(0)
  66 {
  67   initialize();
  68   _GLIBCXX_DEBUG_ONLY(assert_valid();)
  69 }
  70
  71 PB_DS_CLASS_T_DEC
  72 PB_DS_CLASS_C_DEC::
  73 thin_heap_(const PB_DS_CLASS_C_DEC& other) :
  74   PB_DS_BASE_C_DEC(other)
  75 {
  76   initialize();
  77   m_p_max = base_type::m_p_root;
  78   for (node_pointer p_nd = base_type::m_p_root; p_nd != 0; p_nd = p_nd->m_p_next_sibling)
  79     if (Cmp_Fn::operator()(m_p_max->m_value, p_nd->m_value))
  80       m_p_max = p_nd;
  81
  82   _GLIBCXX_DEBUG_ONLY(assert_valid();)
  83 }
  84
  85 PB_DS_CLASS_T_DEC
  86 void
  87 PB_DS_CLASS_C_DEC::
  88 swap(PB_DS_CLASS_C_DEC& other)
  89 {
  90   _GLIBCXX_DEBUG_ONLY(assert_valid();)
  91   base_type::swap(other);
  92   std::swap(m_p_max, other.m_p_max);
  93   _GLIBCXX_DEBUG_ONLY(assert_valid();)
  94 }
  95
  96 PB_DS_CLASS_T_DEC
  97 PB_DS_CLASS_C_DEC::
  98 ~thin_heap_()
  99 { }
 100
 101 PB_DS_CLASS_T_DEC
 102 void
 103 PB_DS_CLASS_C_DEC::
 104 initialize()
 105 { std::fill(m_a_aux, m_a_aux + max_rank, static_cast<node_pointer>(0)); }
 106