]> oss.titaniummirror.com Git - msp430-gcc.git/blobdiff - libstdc++-v3/include/ext/pb_ds/detail/bin_search_tree_/split_join_fn_imps.hpp
Imported gcc-4.4.3
[msp430-gcc.git] / libstdc++-v3 / include / ext / pb_ds / detail / bin_search_tree_ / split_join_fn_imps.hpp
diff --git a/libstdc++-v3/include/ext/pb_ds/detail/bin_search_tree_/split_join_fn_imps.hpp b/libstdc++-v3/include/ext/pb_ds/detail/bin_search_tree_/split_join_fn_imps.hpp
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+// -*- C++ -*-
+
+// Copyright (C) 2005, 2006, 2009 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 split_join_fn_imps.hpp
+ * Contains an implementation class for bin_search_tree_.
+ */
+
+PB_DS_CLASS_T_DEC
+bool
+PB_DS_CLASS_C_DEC::
+join_prep(PB_DS_CLASS_C_DEC& other)
+{
+  _GLIBCXX_DEBUG_ONLY(assert_valid();)
+  _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
+  if (other.m_size == 0)
+    return false;
+
+  if (m_size == 0)
+    {
+      value_swap(other);
+      return false;
+    }
+
+  const bool greater = Cmp_Fn::operator()(PB_DS_V2F(m_p_head->m_p_right->m_value), PB_DS_V2F(other.m_p_head->m_p_left->m_value));
+
+  const bool lesser = Cmp_Fn::operator()(PB_DS_V2F(other.m_p_head->m_p_right->m_value), PB_DS_V2F(m_p_head->m_p_left->m_value));
+
+  if (!greater && !lesser)
+    __throw_join_error();
+
+  if (lesser)
+    value_swap(other);
+
+  m_size += other.m_size;
+  _GLIBCXX_DEBUG_ONLY(debug_base::join(other);)
+  return true;
+}
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+join_finish(PB_DS_CLASS_C_DEC& other)
+{
+  initialize_min_max();
+  other.initialize();
+}
+
+PB_DS_CLASS_T_DEC
+bool
+PB_DS_CLASS_C_DEC::
+split_prep(const_key_reference r_key, PB_DS_CLASS_C_DEC& other)
+{
+  _GLIBCXX_DEBUG_ONLY(assert_valid();)
+  _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
+  other.clear();
+
+  if (m_size == 0)
+    {
+      _GLIBCXX_DEBUG_ONLY(assert_valid();)
+      _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
+      return false;
+    }
+
+  if (Cmp_Fn::operator()(r_key, PB_DS_V2F(m_p_head->m_p_left->m_value)))
+    {
+      value_swap(other);
+      _GLIBCXX_DEBUG_ONLY(assert_valid();)
+      _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
+      return false;
+    }
+
+  if (!Cmp_Fn::operator()(r_key, PB_DS_V2F(m_p_head->m_p_right->m_value)))
+    {
+      _GLIBCXX_DEBUG_ONLY(assert_valid();)
+      _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
+      return false;
+    }
+
+  if (m_size == 1)
+    {
+      value_swap(other);
+      _GLIBCXX_DEBUG_ONLY(assert_valid();)
+      _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
+      return false;
+    }
+
+  _GLIBCXX_DEBUG_ONLY(debug_base::split(r_key,(Cmp_Fn& )(*this), other);)
+  return true;
+}
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+split_finish(PB_DS_CLASS_C_DEC& other)
+{
+  other.initialize_min_max();
+  other.m_size = std::distance(other.begin(), other.end());
+  m_size -= other.m_size;
+  initialize_min_max();
+  _GLIBCXX_DEBUG_ONLY(assert_valid();)
+  _GLIBCXX_DEBUG_ONLY(other.assert_valid();)
+}
+
+PB_DS_CLASS_T_DEC
+typename PB_DS_CLASS_C_DEC::size_type
+PB_DS_CLASS_C_DEC::
+recursive_count(node_pointer p) const
+{
+  if (p == NULL)
+    return 0;
+  return 1 + recursive_count(p->m_p_left) + recursive_count(p->m_p_right);
+}
+