Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / util / performance / assoc / timing / tree_split_join_test.hpp

diff --git a/libstdc++-v3/testsuite/util/performance/assoc/timing/tree_split_join_test.hpp b/libstdc++-v3/testsuite/util/performance/assoc/timing/tree_split_join_test.hpp
new file mode 100644 (file)
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--- /dev/null
+++ b/libstdc++-v3/testsuite/util/performance/assoc/timing/tree_split_join_test.hpp
@@ -0,0 +1,158 @@
+// -*- 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.
+
+// You should have received a copy of the GNU General Public License
+// along with this library; see the file COPYING3.  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 tree_split_join_test.hpp
+ * Contains a test for splitting and joining trees
+ */
+
+#ifndef PB_DS_TREE_SPLIT_JOIN_TEST_HPP
+#define PB_DS_TREE_SPLIT_JOIN_TEST_HPP
+
+#include <performance/time/timing_test_base.hpp>
+#include <performance/io/xml_formatter.hpp>
+#include <common_type/assoc/string_form.hpp>
+#include <iterator>
+
+namespace __gnu_pbds
+{
+  namespace test
+  {
+    namespace detail
+    {
+      template<typename Cntnr, bool Support_Split_Join>
+      class split_join_functor
+      {
+      public:
+        split_join_functor(Cntnr& r_container) : m_r_container(r_container)
+       { }
+
+       void
+        operator()(std::size_t resolution)
+       {
+         for (std::size_t i = 0; i < resolution; ++i)
+           {
+             typename Cntnr::const_iterator mid_it = m_r_container.begin();
+             std::advance(mid_it, m_r_container.size() / 2);
+             Cntnr other;
+             m_r_container.split(*mid_it, other);
+             m_r_container.join(other);
+           }
+       }
+
+      private:
+       Cntnr& m_r_container;
+      };
+
+      template<typename Cntnr>
+      class split_join_functor<Cntnr, false>
+      {
+      public:
+        split_join_functor(Cntnr& r_container) : m_r_container(r_container)
+       { }
+
+       void
+        operator()(std::size_t resolution)
+       {
+         for (std::size_t i = 0; i < resolution; ++i)
+           {
+             typename Cntnr::iterator mid_it = m_r_container.begin();
+             std::advance(mid_it, m_r_container.size() / 2);
+
+             Cntnr other(mid_it, m_r_container.end());
+             m_r_container.erase(mid_it, m_r_container.end());
+
+             m_r_container.insert(other.begin(), other.end());
+             other.clear();
+           }
+       }
+
+      private:
+       Cntnr& m_r_container;
+      };
+    } // namespace detail
+
+    template<bool Support_Split_Join>
+    class tree_split_join_test : private __gnu_pbds::test::detail::timing_test_base
+    {
+    public:
+      tree_split_join_test(size_t vn, size_t vs, size_t vm);
+
+      template<typename Cntnr>
+      void
+      operator()(Cntnr);
+
+    private:
+      tree_split_join_test(const tree_split_join_test& );
+
+    private:
+      const size_t m_vn;
+      const size_t m_vs;
+      const size_t m_vm;
+    };
+
+    template<bool Support_Split_Join>
+    tree_split_join_test<Support_Split_Join>::
+    tree_split_join_test(size_t vn, size_t vs, size_t vm) :
+      m_vn(vn),
+      m_vs(vs),
+      m_vm(vm)
+    { }
+
+    template<bool Support_Split_Join>
+    template<typename Cntnr>
+    void
+    tree_split_join_test<Support_Split_Join>::
+    operator()(Cntnr)
+    {
+      typedef xml_result_set_performance_formatter formatter_type;
+      formatter_type res_set_fmt(string_form<Cntnr>::name(),
+                                string_form<Cntnr>::desc());
+
+      for (size_t v = m_vn; v < m_vm; v += m_vs)
+       {
+         Cntnr cntnr;
+         for (size_t ins = 0; ins < v; ++ ins)
+            cntnr.insert((typename Cntnr::value_type)ins);
+
+         __gnu_pbds::test::detail::split_join_functor<Cntnr, Support_Split_Join>
+            fn(cntnr);
+
+         const double res =
+            __gnu_pbds::test::detail::timing_test_base::operator()(fn);
+         res_set_fmt.add_res(v, res);
+       }
+    }
+  } // namespace test
+} // namespace __gnu_pbds
+
+#endif 
+