diff options
Diffstat (limited to 'gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/bin_search_tree_/find_fn_imps.hpp')
| -rw-r--r-- | gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/bin_search_tree_/find_fn_imps.hpp | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/bin_search_tree_/find_fn_imps.hpp b/gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/bin_search_tree_/find_fn_imps.hpp new file mode 100644 index 0000000..2b8d539 --- /dev/null +++ b/gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/bin_search_tree_/find_fn_imps.hpp @@ -0,0 +1,171 @@ +// -*- C++ -*- + +// Copyright (C) 2005-2014 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_. + */ + +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); +} |