// -*- C++ -*-
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// -*- C++ -*-
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// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
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// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
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//
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the terms
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// software; you can redistribute it and/or modify it under the terms
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// of the GNU General Public License as published by the Free Software
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// of the GNU General Public License as published by the Free Software
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// Foundation; either version 3, or (at your option) any later
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// Foundation; either version 3, or (at your option) any later
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// version.
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// version.
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// This library is distributed in the hope that it will be useful, but
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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// General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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// <http://www.gnu.org/licenses/>.
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// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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// Permission to use, copy, modify, sell, and distribute this software
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// Permission to use, copy, modify, sell, and distribute this software
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// is hereby granted without fee, provided that the above copyright
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// is hereby granted without fee, provided that the above copyright
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// notice appears in all copies, and that both that copyright notice
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// notice appears in all copies, and that both that copyright notice
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// and this permission notice appear in supporting documentation. None
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// and this permission notice appear in supporting documentation. None
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// of the above authors, nor IBM Haifa Research Laboratories, make any
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// of the above authors, nor IBM Haifa Research Laboratories, make any
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// representation about the suitability of this software for any
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// representation about the suitability of this software for any
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// purpose. It is provided "as is" without express or implied
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// purpose. It is provided "as is" without express or implied
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// warranty.
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// warranty.
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/**
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/**
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* @file split_join_fn_imps.hpp
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* @file split_join_fn_imps.hpp
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* Contains an implementation class for ov_tree_.
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* Contains an implementation class for ov_tree_.
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*/
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*/
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PB_DS_CLASS_T_DEC
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PB_DS_CLASS_T_DEC
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void
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void
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PB_DS_CLASS_C_DEC::
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PB_DS_CLASS_C_DEC::
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split(const_key_reference r_key, PB_DS_CLASS_C_DEC& other)
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split(const_key_reference r_key, PB_DS_CLASS_C_DEC& other)
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{
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{
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_GLIBCXX_DEBUG_ONLY(assert_valid();)
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_GLIBCXX_DEBUG_ONLY(assert_valid();)
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_GLIBCXX_DEBUG_ONLY(other.assert_valid();)
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_GLIBCXX_DEBUG_ONLY(other.assert_valid();)
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if (m_size == 0)
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if (m_size == 0)
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{
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{
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other.clear();
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other.clear();
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_GLIBCXX_DEBUG_ONLY(assert_valid();)
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_GLIBCXX_DEBUG_ONLY(assert_valid();)
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_GLIBCXX_DEBUG_ONLY(other.assert_valid();)
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_GLIBCXX_DEBUG_ONLY(other.assert_valid();)
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return;
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return;
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}
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}
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if (Cmp_Fn::operator()(r_key, PB_DS_V2F(*begin())))
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if (Cmp_Fn::operator()(r_key, PB_DS_V2F(*begin())))
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{
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{
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value_swap(other);
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value_swap(other);
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_GLIBCXX_DEBUG_ONLY(assert_valid();)
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_GLIBCXX_DEBUG_ONLY(assert_valid();)
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_GLIBCXX_DEBUG_ONLY(other.assert_valid();)
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_GLIBCXX_DEBUG_ONLY(other.assert_valid();)
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return;
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return;
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}
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}
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if (!Cmp_Fn::operator()(r_key, PB_DS_V2F(*(end() - 1))))
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if (!Cmp_Fn::operator()(r_key, PB_DS_V2F(*(end() - 1))))
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{
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{
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_GLIBCXX_DEBUG_ONLY(assert_valid();)
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_GLIBCXX_DEBUG_ONLY(assert_valid();)
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_GLIBCXX_DEBUG_ONLY(other.assert_valid();)
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_GLIBCXX_DEBUG_ONLY(other.assert_valid();)
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return;
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return;
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}
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}
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if (m_size == 1)
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if (m_size == 1)
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{
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{
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value_swap(other);
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value_swap(other);
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_GLIBCXX_DEBUG_ONLY(assert_valid();)
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_GLIBCXX_DEBUG_ONLY(assert_valid();)
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_GLIBCXX_DEBUG_ONLY(other.assert_valid();)
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_GLIBCXX_DEBUG_ONLY(other.assert_valid();)
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return;
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return;
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}
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}
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_GLIBCXX_DEBUG_ONLY(debug_base::join(other);)
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_GLIBCXX_DEBUG_ONLY(debug_base::join(other);)
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iterator it = upper_bound(r_key);
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iterator it = upper_bound(r_key);
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PB_DS_CLASS_C_DEC new_other(other, other);
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PB_DS_CLASS_C_DEC new_other(other, other);
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new_other.copy_from_ordered_range(it, end());
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new_other.copy_from_ordered_range(it, end());
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PB_DS_CLASS_C_DEC new_this(*this, * this);
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PB_DS_CLASS_C_DEC new_this(*this, * this);
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new_this.copy_from_ordered_range(begin(), it);
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new_this.copy_from_ordered_range(begin(), it);
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// No exceptions from this point.
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// No exceptions from this point.
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_GLIBCXX_DEBUG_ONLY(debug_base::split(r_key,(Cmp_Fn& )(*this), other);)
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_GLIBCXX_DEBUG_ONLY(debug_base::split(r_key,(Cmp_Fn& )(*this), other);)
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other.update(other.node_begin(), (node_update* )(&other));
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other.update(other.node_begin(), (node_update* )(&other));
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update(node_begin(), (node_update* )this);
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update(node_begin(), (node_update* )this);
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other.value_swap(new_other);
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other.value_swap(new_other);
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value_swap(new_this);
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value_swap(new_this);
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_GLIBCXX_DEBUG_ONLY(assert_valid();)
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_GLIBCXX_DEBUG_ONLY(assert_valid();)
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_GLIBCXX_DEBUG_ONLY(other.assert_valid();)
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_GLIBCXX_DEBUG_ONLY(other.assert_valid();)
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}
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}
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PB_DS_CLASS_T_DEC
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PB_DS_CLASS_T_DEC
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void
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void
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PB_DS_CLASS_C_DEC::
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PB_DS_CLASS_C_DEC::
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join(PB_DS_CLASS_C_DEC& other)
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join(PB_DS_CLASS_C_DEC& other)
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{
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{
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_GLIBCXX_DEBUG_ONLY(assert_valid();)
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_GLIBCXX_DEBUG_ONLY(assert_valid();)
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_GLIBCXX_DEBUG_ONLY(other.assert_valid();)
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_GLIBCXX_DEBUG_ONLY(other.assert_valid();)
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if (other.m_size == 0)
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if (other.m_size == 0)
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return;
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return;
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if (m_size == 0)
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if (m_size == 0)
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{
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{
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value_swap(other);
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value_swap(other);
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return;
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return;
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}
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}
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const bool greater = Cmp_Fn::operator()(PB_DS_V2F(*(end() - 1)),
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const bool greater = Cmp_Fn::operator()(PB_DS_V2F(*(end() - 1)),
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PB_DS_V2F(*other.begin()));
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PB_DS_V2F(*other.begin()));
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const bool lesser = Cmp_Fn::operator()(PB_DS_V2F(*(other.end() - 1)),
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const bool lesser = Cmp_Fn::operator()(PB_DS_V2F(*(other.end() - 1)),
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PB_DS_V2F(*begin()));
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PB_DS_V2F(*begin()));
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if (!greater && !lesser)
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if (!greater && !lesser)
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__throw_join_error();
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__throw_join_error();
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PB_DS_CLASS_C_DEC new_this(*this, *this);
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PB_DS_CLASS_C_DEC new_this(*this, *this);
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if (greater)
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if (greater)
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new_this.copy_from_ordered_range(begin(), end(),
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new_this.copy_from_ordered_range(begin(), end(),
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other.begin(), other.end());
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other.begin(), other.end());
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else
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else
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new_this.copy_from_ordered_range(other.begin(), other.end(),
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new_this.copy_from_ordered_range(other.begin(), other.end(),
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begin(), end());
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begin(), end());
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// No exceptions from this point.
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// No exceptions from this point.
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_GLIBCXX_DEBUG_ONLY(debug_base::join(other);)
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_GLIBCXX_DEBUG_ONLY(debug_base::join(other);)
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value_swap(new_this);
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value_swap(new_this);
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other.clear();
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other.clear();
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_GLIBCXX_DEBUG_ONLY(assert_valid();)
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_GLIBCXX_DEBUG_ONLY(assert_valid();)
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_GLIBCXX_DEBUG_ONLY(other.assert_valid();)
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_GLIBCXX_DEBUG_ONLY(other.assert_valid();)
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}
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}
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