Index: gcc/libstdc++-v3/testsuite/util/performance/time/timing_test_base.hpp |
diff --git a/gcc/libstdc++-v3/testsuite/util/performance/time/timing_test_base.hpp b/gcc/libstdc++-v3/testsuite/util/performance/time/timing_test_base.hpp |
deleted file mode 100644 |
index 9615832730eb5926bfbf10a9d5ca331f1fa1f17e..0000000000000000000000000000000000000000 |
--- a/gcc/libstdc++-v3/testsuite/util/performance/time/timing_test_base.hpp |
+++ /dev/null |
@@ -1,117 +0,0 @@ |
-// -*- 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 timing_test_base.hpp |
- * Contains a base class for timing tests. |
- */ |
- |
-#ifndef PB_DS_TIMING_TEST_BASE_HPP |
-#define PB_DS_TIMING_TEST_BASE_HPP |
- |
-#include <performance/time/elapsed_timer.hpp> |
-#include <statistic/result_recorder.hpp> |
- |
-namespace __gnu_pbds |
-{ |
- namespace test |
- { |
- namespace detail |
- { |
- class timing_test_base |
- { |
- protected: |
- template<typename Functor> |
- double |
- operator()(Functor& fn); |
- |
- static double |
- min_time_res(); |
- |
- private: |
- template<typename Functor> |
- std::size_t |
- get_min_resolution(Functor&); |
- |
- template<typename Functor> |
- double |
- run_at_resolution(Functor&, std::size_t); |
- }; |
- |
- template<typename Functor> |
- double |
- timing_test_base::operator()(Functor& fn) |
- { |
- const std::size_t resolution = get_min_resolution(fn); |
- __gnu_pbds::test::detail::result_recorder<double> rec; |
- double res; |
- do |
- res = run_at_resolution(fn, resolution); |
- while (rec.add_result(res) == false); |
- res = rec.get_sample_mean() / resolution; |
- return res; |
- } |
- |
- double |
- timing_test_base::min_time_res() |
- { return 1e-7; } |
- |
- template<typename Functor> |
- std::size_t |
- timing_test_base::get_min_resolution(Functor& fn) |
- { |
- std::size_t guess = 0; |
- const double epsilon_val = min_time_res(); |
- double res; |
- do |
- { |
- guess = guess * 2 + 1; |
- res = run_at_resolution(fn, guess); |
- } |
- while (res < epsilon_val); |
- return guess; |
- } |
- |
- template<typename Functor> |
- double |
- timing_test_base::run_at_resolution(Functor& fn, std::size_t resolution) |
- { |
- elapsed_timer res; |
- fn(resolution); |
- return res; |
- } |
- |
- } // namespace detail |
- } // namespace test |
-} // namespace __gnu_pbds |
- |
-#endif |
- |