3 // Copyright (C) 2005, 2006 Free Software Foundation, Inc.
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
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.
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.
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
31 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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
43 * @file split_join_fn_imps.hpp
44 * Contains an implementation class for ov_tree_.
50 split(const_key_reference r_key, PB_DS_CLASS_C_DEC& other)
52 _GLIBCXX_DEBUG_ONLY(assert_valid();)
53 _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
58 _GLIBCXX_DEBUG_ONLY(assert_valid();)
59 _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
63 if (Cmp_Fn::operator()(r_key, PB_DS_V2F(*begin())))
66 _GLIBCXX_DEBUG_ONLY(assert_valid();)
67 _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
71 if (!Cmp_Fn::operator()(r_key, PB_DS_V2F(*(end() - 1))))
73 _GLIBCXX_DEBUG_ONLY(assert_valid();)
74 _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
81 _GLIBCXX_DEBUG_ONLY(assert_valid();)
82 _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
86 _GLIBCXX_DEBUG_ONLY(map_debug_base::join(other);)
87 iterator it = upper_bound(r_key);
88 PB_DS_CLASS_C_DEC new_other(other, other);
89 new_other.copy_from_ordered_range(it, end());
90 PB_DS_CLASS_C_DEC new_this(*this, * this);
91 new_this.copy_from_ordered_range(begin(), it);
93 // No exceptions from this point.
94 _GLIBCXX_DEBUG_ONLY(map_debug_base::split(r_key,(Cmp_Fn& )(*this), other);)
95 other.update(other.node_begin(), (node_update* )(&other));
96 update(node_begin(), (node_update* )this);
97 other.value_swap(new_other);
99 _GLIBCXX_DEBUG_ONLY(assert_valid();)
100 _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
106 join(PB_DS_CLASS_C_DEC& other)
108 _GLIBCXX_DEBUG_ONLY(assert_valid();)
109 _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
110 if (other.m_size == 0)
119 const bool greater = Cmp_Fn::operator()(PB_DS_V2F(*(end() - 1)),
120 PB_DS_V2F(*other.begin()));
122 const bool lesser = Cmp_Fn::operator()(PB_DS_V2F(*(other.end() - 1)),
123 PB_DS_V2F(*begin()));
125 if (!greater && !lesser)
126 __throw_join_error();
128 PB_DS_CLASS_C_DEC new_this(*this, *this);
131 new_this.copy_from_ordered_range(begin(), end(),
132 other.begin(), other.end());
134 new_this.copy_from_ordered_range(other.begin(), other.end(),
137 // No exceptions from this point.
138 _GLIBCXX_DEBUG_ONLY(map_debug_base::join(other);)
139 value_swap(new_this);
141 _GLIBCXX_DEBUG_ONLY(assert_valid();)
142 _GLIBCXX_DEBUG_ONLY(other.assert_valid();)