Subversion Repositories Kolibri OS

Rev

Go to most recent revision | Blame | Last modification | View Log | RSS feed

  1. // -*- C++ -*-
  2.  
  3. // Copyright (C) 2005-2013 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 pairing_heap_/insert_fn_imps.hpp
  38.  * Contains an implementation class for a pairing heap.
  39.  */
  40.  
  41. PB_DS_CLASS_T_DEC
  42. inline typename PB_DS_CLASS_C_DEC::point_iterator
  43. PB_DS_CLASS_C_DEC::
  44. push(const_reference r_val)
  45. {
  46.   PB_DS_ASSERT_VALID((*this))
  47.   node_pointer p_new_nd = base_type::get_new_node_for_insert(r_val);
  48.   push_imp(p_new_nd);
  49.   PB_DS_ASSERT_VALID((*this))
  50.   return point_iterator(p_new_nd);
  51. }
  52.  
  53. PB_DS_CLASS_T_DEC
  54. inline void
  55. PB_DS_CLASS_C_DEC::
  56. push_imp(node_pointer p_nd)
  57. {
  58.   p_nd->m_p_l_child = 0;
  59.   if (base_type::m_p_root == 0)
  60.     {
  61.       p_nd->m_p_next_sibling = p_nd->m_p_prev_or_parent = 0;
  62.       base_type::m_p_root = p_nd;
  63.     }
  64.   else if (Cmp_Fn::operator()(base_type::m_p_root->m_value, p_nd->m_value))
  65.     {
  66.       p_nd->m_p_next_sibling = p_nd->m_p_prev_or_parent = 0;
  67.       base_type::make_child_of(base_type::m_p_root, p_nd);
  68.       PB_DS_ASSERT_NODE_CONSISTENT(p_nd, false)
  69.       base_type::m_p_root = p_nd;
  70.     }
  71.   else
  72.     {
  73.       base_type::make_child_of(p_nd, base_type::m_p_root);
  74.       PB_DS_ASSERT_NODE_CONSISTENT(base_type::m_p_root, false)
  75.     }
  76. }
  77.  
  78. PB_DS_CLASS_T_DEC
  79. void
  80. PB_DS_CLASS_C_DEC::
  81. modify(point_iterator it, const_reference r_new_val)
  82. {
  83.   PB_DS_ASSERT_VALID((*this))
  84.   remove_node(it.m_p_nd);
  85.   it.m_p_nd->m_value = r_new_val;
  86.   push_imp(it.m_p_nd);
  87.   PB_DS_ASSERT_VALID((*this))
  88. }
  89.