X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=i686-linux-gnu-4.7%2Fusr%2Finclude%2Fc%2B%2B%2F4.7%2Fext%2Fpb_ds%2Fdetail%2Fresize_policy%2Fhash_load_check_resize_trigger_imp.hpp;fp=i686-linux-gnu-4.7%2Fusr%2Finclude%2Fc%2B%2B%2F4.7%2Fext%2Fpb_ds%2Fdetail%2Fresize_policy%2Fhash_load_check_resize_trigger_imp.hpp;h=c8a8816d5be9a59fea69bb9e2ad9c6366b7620cb;hb=94df942c2c7bd3457276fe5b7367623cbb8c1302;hp=0000000000000000000000000000000000000000;hpb=4dd7d9155a920895ff7b1cb6b9c9c676aa62000a;p=cross.git
diff --git a/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/resize_policy/hash_load_check_resize_trigger_imp.hpp b/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/resize_policy/hash_load_check_resize_trigger_imp.hpp
new file mode 100644
index 0000000..c8a8816
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/c++/4.7/ext/pb_ds/detail/resize_policy/hash_load_check_resize_trigger_imp.hpp
@@ -0,0 +1,294 @@
+// -*- C++ -*-
+
+// Copyright (C) 2005, 2006, 2007, 2008, 2009, 2011
+// 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
+// .
+
+// 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 hash_load_check_resize_trigger_imp.hpp
+ * Contains a resize trigger implementation.
+ */
+
+#define PB_DS_ASSERT_VALID(X) \
+ _GLIBCXX_DEBUG_ONLY(X.assert_valid(__FILE__, __LINE__);)
+
+PB_DS_CLASS_T_DEC
+PB_DS_CLASS_C_DEC::
+hash_load_check_resize_trigger(float load_min, float load_max)
+: m_load_min(load_min), m_load_max(load_max), m_next_shrink_size(0),
+ m_next_grow_size(0), m_resize_needed(false)
+{ PB_DS_ASSERT_VALID((*this)) }
+
+PB_DS_CLASS_T_DEC
+inline void
+PB_DS_CLASS_C_DEC::
+notify_find_search_start()
+{ PB_DS_ASSERT_VALID((*this)) }
+
+PB_DS_CLASS_T_DEC
+inline void
+PB_DS_CLASS_C_DEC::
+notify_find_search_collision()
+{ PB_DS_ASSERT_VALID((*this)) }
+
+PB_DS_CLASS_T_DEC
+inline void
+PB_DS_CLASS_C_DEC::
+notify_find_search_end()
+{ PB_DS_ASSERT_VALID((*this)) }
+
+PB_DS_CLASS_T_DEC
+inline void
+PB_DS_CLASS_C_DEC::
+notify_insert_search_start()
+{ PB_DS_ASSERT_VALID((*this)) }
+
+PB_DS_CLASS_T_DEC
+inline void
+PB_DS_CLASS_C_DEC::
+notify_insert_search_collision()
+{ PB_DS_ASSERT_VALID((*this)) }
+
+PB_DS_CLASS_T_DEC
+inline void
+PB_DS_CLASS_C_DEC::
+notify_insert_search_end()
+{ PB_DS_ASSERT_VALID((*this)) }
+
+PB_DS_CLASS_T_DEC
+inline void
+PB_DS_CLASS_C_DEC::
+notify_erase_search_start()
+{ PB_DS_ASSERT_VALID((*this)) }
+
+PB_DS_CLASS_T_DEC
+inline void
+PB_DS_CLASS_C_DEC::
+notify_erase_search_collision()
+{ PB_DS_ASSERT_VALID((*this)) }
+
+PB_DS_CLASS_T_DEC
+inline void
+PB_DS_CLASS_C_DEC::
+notify_erase_search_end()
+{ PB_DS_ASSERT_VALID((*this)) }
+
+PB_DS_CLASS_T_DEC
+inline void
+PB_DS_CLASS_C_DEC::
+notify_inserted(size_type num_entries)
+{
+ m_resize_needed = (num_entries >= m_next_grow_size);
+ size_base::set_size(num_entries);
+ PB_DS_ASSERT_VALID((*this))
+}
+
+PB_DS_CLASS_T_DEC
+inline void
+PB_DS_CLASS_C_DEC::
+notify_erased(size_type num_entries)
+{
+ size_base::set_size(num_entries);
+ m_resize_needed = num_entries <= m_next_shrink_size;
+ PB_DS_ASSERT_VALID((*this))
+}
+
+PB_DS_CLASS_T_DEC
+inline bool
+PB_DS_CLASS_C_DEC::
+is_resize_needed() const
+{
+ PB_DS_ASSERT_VALID((*this))
+ return m_resize_needed;
+}
+
+PB_DS_CLASS_T_DEC
+inline bool
+PB_DS_CLASS_C_DEC::
+is_grow_needed(size_type /*size*/, size_type num_entries) const
+{
+ _GLIBCXX_DEBUG_ASSERT(m_resize_needed);
+ return num_entries >= m_next_grow_size;
+}
+
+PB_DS_CLASS_T_DEC
+PB_DS_CLASS_C_DEC::
+~hash_load_check_resize_trigger() { }
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+notify_resized(size_type new_size)
+{
+ m_resize_needed = false;
+ m_next_grow_size = size_type(m_load_max * new_size - 1);
+ m_next_shrink_size = size_type(m_load_min * new_size);
+
+#ifdef PB_DS_HT_MAP_RESIZE_TRACE_
+ std::cerr << "hlcrt::notify_resized " << std::endl
+ << "1 " << new_size << std::endl
+ << "2 " << m_load_min << std::endl
+ << "3 " << m_load_max << std::endl
+ << "4 " << m_next_shrink_size << std::endl
+ << "5 " << m_next_grow_size << std::endl;
+#endif
+
+ PB_DS_ASSERT_VALID((*this))
+}
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+notify_externally_resized(size_type new_size)
+{
+ m_resize_needed = false;
+ size_type new_grow_size = size_type(m_load_max * new_size - 1);
+ size_type new_shrink_size = size_type(m_load_min * new_size);
+
+#ifdef PB_DS_HT_MAP_RESIZE_TRACE_
+ std::cerr << "hlcrt::notify_externally_resized " << std::endl
+ << "1 " << new_size << std::endl
+ << "2 " << m_load_min << std::endl
+ << "3 " << m_load_max << std::endl
+ << "4 " << m_next_shrink_size << std::endl
+ << "5 " << m_next_grow_size << std::endl
+ << "6 " << new_shrink_size << std::endl
+ << "7 " << new_grow_size << std::endl;
+#endif
+
+ if (new_grow_size >= m_next_grow_size)
+ {
+ _GLIBCXX_DEBUG_ASSERT(new_shrink_size >= m_next_shrink_size);
+ m_next_grow_size = new_grow_size;
+ }
+ else
+ {
+ _GLIBCXX_DEBUG_ASSERT(new_shrink_size <= m_next_shrink_size);
+ m_next_shrink_size = new_shrink_size;
+ }
+
+ PB_DS_ASSERT_VALID((*this))
+}
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+notify_cleared()
+{
+ PB_DS_ASSERT_VALID((*this))
+ size_base::set_size(0);
+ m_resize_needed = (0 < m_next_shrink_size);
+ PB_DS_ASSERT_VALID((*this))
+}
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+swap(PB_DS_CLASS_C_DEC& other)
+{
+ PB_DS_ASSERT_VALID((*this))
+ PB_DS_ASSERT_VALID(other)
+
+ size_base::swap(other);
+ std::swap(m_load_min, other.m_load_min);
+ std::swap(m_load_max, other.m_load_max);
+ std::swap(m_resize_needed, other.m_resize_needed);
+ std::swap(m_next_grow_size, other.m_next_grow_size);
+ std::swap(m_next_shrink_size, other.m_next_shrink_size);
+
+ PB_DS_ASSERT_VALID((*this))
+ PB_DS_ASSERT_VALID(other)
+}
+
+PB_DS_CLASS_T_DEC
+inline std::pair
+PB_DS_CLASS_C_DEC::
+get_loads() const
+{
+ PB_DS_STATIC_ASSERT(access, external_load_access);
+ return std::make_pair(m_load_min, m_load_max);
+}
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+set_loads(std::pair load_pair)
+{
+ PB_DS_STATIC_ASSERT(access, external_load_access);
+ const float old_load_min = m_load_min;
+ const float old_load_max = m_load_max;
+ const size_type old_next_shrink_size = m_next_shrink_size;
+ const size_type old_next_grow_size = m_next_grow_size;
+ const bool old_resize_needed = m_resize_needed;
+
+ __try
+ {
+ m_load_min = load_pair.first;
+ m_load_max = load_pair.second;
+ do_resize(static_cast(size_base::get_size() / ((m_load_min + m_load_max) / 2)));
+ }
+ __catch(...)
+ {
+ m_load_min = old_load_min;
+ m_load_max = old_load_max;
+ m_next_shrink_size = old_next_shrink_size;
+ m_next_grow_size = old_next_grow_size;
+ m_resize_needed = old_resize_needed;
+ __throw_exception_again;
+ }
+}
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+do_resize(size_type)
+{ std::abort(); }
+
+#ifdef _GLIBCXX_DEBUG
+# define PB_DS_DEBUG_VERIFY(_Cond) \
+ _GLIBCXX_DEBUG_VERIFY_AT(_Cond, \
+ _M_message(#_Cond" assertion from %1;:%2;") \
+ ._M_string(__FILE__)._M_integer(__LINE__) \
+ ,__file,__line)
+
+PB_DS_CLASS_T_DEC
+void
+PB_DS_CLASS_C_DEC::
+assert_valid(const char* __file, int __line) const
+{
+ PB_DS_DEBUG_VERIFY(m_load_max > m_load_min);
+ PB_DS_DEBUG_VERIFY(m_next_grow_size >= m_next_shrink_size);
+}
+# undef PB_DS_DEBUG_VERIFY
+#endif
+#undef PB_DS_ASSERT_VALID