Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / include / ext / pb_ds / detail / rb_tree_map_ / insert_fn_imps.hpp

diff --git a/libstdc++-v3/include/ext/pb_ds/detail/rb_tree_map_/insert_fn_imps.hpp b/libstdc++-v3/include/ext/pb_ds/detail/rb_tree_map_/insert_fn_imps.hpp
new file mode 100644 (file)
index 0000000..16a5d1e
--- /dev/null
+++ b/libstdc++-v3/include/ext/pb_ds/detail/rb_tree_map_/insert_fn_imps.hpp
@@ -0,0 +1,115 @@
+// -*- 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 insert_fn_imps.hpp
+ * Contains an implementation for rb_tree_.
+ */
+
+PB_DS_CLASS_T_DEC
+inline std::pair<typename PB_DS_CLASS_C_DEC::point_iterator, bool>
+PB_DS_CLASS_C_DEC::
+insert(const_reference r_value)
+{
+  _GLIBCXX_DEBUG_ONLY(assert_valid();)
+  std::pair<point_iterator, bool> ins_pair = base_type::insert_leaf(r_value);
+  if (ins_pair.second == true)
+    {
+      ins_pair.first.m_p_nd->m_red = true;
+      _GLIBCXX_DEBUG_ONLY(this->structure_only_assert_valid();)
+      insert_fixup(ins_pair.first.m_p_nd);
+    }
+
+  _GLIBCXX_DEBUG_ONLY(assert_valid();)
+  return ins_pair;
+}
+
+PB_DS_CLASS_T_DEC
+inline void
+PB_DS_CLASS_C_DEC::
+insert_fixup(node_pointer p_nd)
+{
+  _GLIBCXX_DEBUG_ASSERT(p_nd->m_red == true);
+  while (p_nd != base_type::m_p_head->m_p_parent && p_nd->m_p_parent->m_red)
+    {
+      if (p_nd->m_p_parent == p_nd->m_p_parent->m_p_parent->m_p_left)
+        {
+         node_pointer p_y = p_nd->m_p_parent->m_p_parent->m_p_right;
+         if (p_y != NULL && p_y->m_red)
+            {
+             p_nd->m_p_parent->m_red = false;
+             p_y->m_red = false;
+             p_nd->m_p_parent->m_p_parent->m_red = true;
+             p_nd = p_nd->m_p_parent->m_p_parent;
+            }
+         else
+            {
+             if (p_nd == p_nd->m_p_parent->m_p_right)
+                {
+                 p_nd = p_nd->m_p_parent;
+                 base_type::rotate_left(p_nd);
+                }
+             p_nd->m_p_parent->m_red = false;
+             p_nd->m_p_parent->m_p_parent->m_red = true;
+             base_type::rotate_right(p_nd->m_p_parent->m_p_parent);
+            }
+        }
+      else
+        {
+         node_pointer p_y = p_nd->m_p_parent->m_p_parent->m_p_left;
+         if (p_y != NULL && p_y->m_red)
+            {
+             p_nd->m_p_parent->m_red = false;
+             p_y->m_red = false;
+             p_nd->m_p_parent->m_p_parent->m_red = true;
+             p_nd = p_nd->m_p_parent->m_p_parent;
+            }
+         else
+            {
+             if (p_nd == p_nd->m_p_parent->m_p_left)
+                {
+                 p_nd = p_nd->m_p_parent;
+                 base_type::rotate_right(p_nd);
+                }
+             p_nd->m_p_parent->m_red = false;
+             p_nd->m_p_parent->m_p_parent->m_red = true;
+             base_type::rotate_left(p_nd->m_p_parent->m_p_parent);
+            }
+        }
+    }
+
+  base_type::update_to_top(p_nd, (node_update* )this);
+  base_type::m_p_head->m_p_parent->m_red = false;
+}