bin_search_tree_/find_fn_imps.hpp
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// -*- C++ -*-
// Copyright (C) 2005-2021 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the terms
// of the GNU General Public License as published by the Free Software
// Foundation; either version 3, or (at your option) any later
// version.
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
// Permission to use, copy, modify, sell, and distribute this software
// is hereby granted without fee, provided that the above copyright
// notice appears in all copies, and that both that copyright notice
// and this permission notice appear in supporting documentation. None
// of the above authors, nor IBM Haifa Research Laboratories, make any
// representation about the suitability of this software for any
// purpose. It is provided "as is" without express or implied
// warranty.
/**
* @file bin_search_tree_/find_fn_imps.hpp
* Contains an implementation class for bin_search_tree_.
*/
#ifdef PB_DS_CLASS_C_DEC
PB_DS_CLASS_T_DEC
inline typename PB_DS_CLASS_C_DEC::point_const_iterator
PB_DS_CLASS_C_DEC::
lower_bound(key_const_reference r_key) const
{
node_pointer p_pot = m_p_head;
node_pointer p_nd = m_p_head->m_p_parent;
while (p_nd != 0)
if (Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_value), r_key))
p_nd = p_nd->m_p_right;
else
{
p_pot = p_nd;
p_nd = p_nd->m_p_left;
}
return iterator(p_pot);
}
PB_DS_CLASS_T_DEC
inline typename PB_DS_CLASS_C_DEC::point_iterator
PB_DS_CLASS_C_DEC::
lower_bound(key_const_reference r_key)
{
node_pointer p_pot = m_p_head;
node_pointer p_nd = m_p_head->m_p_parent;
while (p_nd != 0)
if (Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_value), r_key))
p_nd = p_nd->m_p_right;
else
{
p_pot = p_nd;
p_nd = p_nd->m_p_left;
}
return iterator(p_pot);
}
PB_DS_CLASS_T_DEC
inline typename PB_DS_CLASS_C_DEC::point_const_iterator
PB_DS_CLASS_C_DEC::
upper_bound(key_const_reference r_key) const
{
node_pointer p_pot = m_p_head;
node_pointer p_nd = m_p_head->m_p_parent;
while (p_nd != 0)
if (Cmp_Fn::operator()(r_key, PB_DS_V2F(p_nd->m_value)))
{
p_pot = p_nd;
p_nd = p_nd->m_p_left;
}
else
p_nd = p_nd->m_p_right;
return const_iterator(p_pot);
}
PB_DS_CLASS_T_DEC
inline typename PB_DS_CLASS_C_DEC::point_iterator
PB_DS_CLASS_C_DEC::
upper_bound(key_const_reference r_key)
{
node_pointer p_pot = m_p_head;
node_pointer p_nd = m_p_head->m_p_parent;
while (p_nd != 0)
if (Cmp_Fn::operator()(r_key, PB_DS_V2F(p_nd->m_value)))
{
p_pot = p_nd;
p_nd = p_nd->m_p_left;
}
else
p_nd = p_nd->m_p_right;
return point_iterator(p_pot);
}
PB_DS_CLASS_T_DEC
inline typename PB_DS_CLASS_C_DEC::point_iterator
PB_DS_CLASS_C_DEC::
find(key_const_reference r_key)
{
PB_DS_STRUCT_ONLY_ASSERT_VALID((*this))
node_pointer p_pot = m_p_head;
node_pointer p_nd = m_p_head->m_p_parent;
while (p_nd != 0)
if (!Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_value), r_key))
{
p_pot = p_nd;
p_nd = p_nd->m_p_left;
}
else
p_nd = p_nd->m_p_right;
node_pointer ret = p_pot;
if (p_pot != m_p_head)
{
const bool __cmp = Cmp_Fn::operator()(r_key, PB_DS_V2F(p_pot->m_value));
if (__cmp)
ret = m_p_head;
}
return point_iterator(ret);
}
PB_DS_CLASS_T_DEC
inline typename PB_DS_CLASS_C_DEC::point_const_iterator
PB_DS_CLASS_C_DEC::
find(key_const_reference r_key) const
{
PB_DS_STRUCT_ONLY_ASSERT_VALID((*this))
node_pointer p_pot = m_p_head;
node_pointer p_nd = m_p_head->m_p_parent;
while (p_nd != 0)
if (!Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_value), r_key))
{
p_pot = p_nd;
p_nd = p_nd->m_p_left;
}
else
p_nd = p_nd->m_p_right;
node_pointer ret = p_pot;
if (p_pot != m_p_head)
{
const bool __cmp = Cmp_Fn::operator()(r_key, PB_DS_V2F(p_pot->m_value));
if (__cmp)
ret = m_p_head;
}
return point_const_iterator(ret);
}
#endif