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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/binomial_heap_base_/find_fn_imps.hpp
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/binomial_heap_base_/find_fn_imps.hpp')
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diff --git a/gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/binomial_heap_base_/find_fn_imps.hpp b/gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/binomial_heap_base_/find_fn_imps.hpp
new file mode 100644
index 0000000..ba8f0e2
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/include/ext/pb_ds/detail/binomial_heap_base_/find_fn_imps.hpp
@@ -0,0 +1,70 @@
+// -*- 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 binomial_heap_base_/find_fn_imps.hpp
+ * Contains an implementation class for a base of binomial heaps.
+ */
+
+PB_DS_CLASS_T_DEC
+inline typename PB_DS_CLASS_C_DEC::const_reference
+PB_DS_CLASS_C_DEC::
+top() const
+{
+ PB_DS_ASSERT_VALID_COND((*this),false)
+ _GLIBCXX_DEBUG_ASSERT(!base_type::empty());
+
+ if (m_p_max == 0)
+ const_cast<PB_DS_CLASS_C_DEC* >(this)->find_max();
+
+ _GLIBCXX_DEBUG_ASSERT(m_p_max != 0);
+ return m_p_max->m_value;
+}
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+find_max()
+{
+ node_pointer p_cur = base_type::m_p_root;
+ m_p_max = p_cur;
+ while (p_cur != 0)
+ {
+ if (Cmp_Fn::operator()(m_p_max->m_value, p_cur->m_value))
+ m_p_max = p_cur;
+ p_cur = p_cur->m_p_next_sibling;
+ }
+}
+