mingw/lib/gcc/mingw32/4.3.3/include/c++/ext/pb_ds/detail/left_child_next_sibling_heap_/iterators_fn_imps.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005, 2006 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 2, 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 // You should have received a copy of the GNU General Public License
  17 // along with this library; see the file COPYING.  If not, write to
  18 // the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
  19 // MA 02111-1307, USA.
  20
  21 // As a special exception, you may use this file as part of a free
  22 // software library without restriction.  Specifically, if other files
  23 // instantiate templates or use macros or inline functions from this
  24 // file, or you compile this file and link it with other files to
  25 // produce an executable, this file does not by itself cause the
  26 // resulting executable to be covered by the GNU General Public
  27 // License.  This exception does not however invalidate any other
  28 // reasons why the executable file might be covered by the GNU General
  29 // Public License.
  30
  31 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
  32
  33 // Permission to use, copy, modify, sell, and distribute this software
  34 // is hereby granted without fee, provided that the above copyright
  35 // notice appears in all copies, and that both that copyright notice
  36 // and this permission notice appear in supporting documentation. None
  37 // of the above authors, nor IBM Haifa Research Laboratories, make any
  38 // representation about the suitability of this software for any
  39 // purpose. It is provided "as is" without express or implied
  40 // warranty.
  41
  42 /**
  43  * @file iterators_fn_imps.hpp
  44  * Contains an implementation class for left_child_next_sibling_heap_.
  45  */
  46
  47 PB_DS_CLASS_T_DEC
  48 inline typename PB_DS_CLASS_C_DEC::iterator
  49 PB_DS_CLASS_C_DEC::
  50 begin()
  51 {
  52   node_pointer p_nd = m_p_root;
  53
  54   if (p_nd == NULL)
  55     return (iterator(NULL));
  56
  57   while (p_nd->m_p_l_child != NULL)
  58     p_nd = p_nd->m_p_l_child;
  59
  60   return (iterator(p_nd));
  61 }
  62
  63 PB_DS_CLASS_T_DEC
  64 inline typename PB_DS_CLASS_C_DEC::const_iterator
  65 PB_DS_CLASS_C_DEC::
  66 begin() const
  67 {
  68   node_pointer p_nd = m_p_root;
  69
  70   if (p_nd == NULL)
  71     return (const_iterator(NULL));
  72
  73   while (p_nd->m_p_l_child != NULL)
  74     p_nd = p_nd->m_p_l_child;
  75
  76   return (const_iterator(p_nd));
  77 }
  78
  79 PB_DS_CLASS_T_DEC
  80 inline typename PB_DS_CLASS_C_DEC::iterator
  81 PB_DS_CLASS_C_DEC::
  82 end()
  83 {
  84   return (iterator(NULL));
  85 }
  86
  87 PB_DS_CLASS_T_DEC
  88 inline typename PB_DS_CLASS_C_DEC::const_iterator
  89 PB_DS_CLASS_C_DEC::
  90 end() const
  91 {
  92   return (const_iterator(NULL));
  93 }
  94