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Unified Diff: gcc/libstdc++-v3/testsuite/util/testsuite_rng.h

Issue 3050029: [gcc] GCC 4.5.0=>4.5.1 (Closed) Base URL: ssh://git@gitrw.chromium.org:9222/nacl-toolchain.git
Patch Set: Created 10 years, 5 months ago
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Index: gcc/libstdc++-v3/testsuite/util/testsuite_rng.h
diff --git a/gcc/libstdc++-v3/testsuite/util/testsuite_rng.h b/gcc/libstdc++-v3/testsuite/util/testsuite_rng.h
deleted file mode 100644
index 73b909e1ed9c1bbf7c5f352d8f8151c39cfac4b5..0000000000000000000000000000000000000000
--- a/gcc/libstdc++-v3/testsuite/util/testsuite_rng.h
+++ /dev/null
@@ -1,97 +0,0 @@
-// -*- C++ -*-
-
-// Copyright (C) 2005, 2006, 2008, 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 testsuite_rng.h
- */
-
-#ifndef _GLIBCXX_TESTSUITE_RNG_H
-#define _GLIBCXX_TESTSUITE_RNG_H
-
-#include <ctime>
-#include <climits>
-#include <debug/debug.h>
-#include <tr1/random>
-
-namespace __gnu_pbds
-{
- namespace test
- {
- class twister_rand_gen
- {
- public:
- twister_rand_gen(unsigned int seed =
- static_cast<unsigned int>(std::time(0)))
- : m_base_generator(seed)
- {
- // Do nothing.
- }
-
- void
- init(unsigned int seed)
- { m_base_generator.seed(seed); }
-
- static unsigned int
- get_time_determined_seed()
- { return(static_cast<unsigned int>(std::time(0))); }
-
- unsigned long
- get_unsigned_long(unsigned long min = 0,
- unsigned long max = UINT_MAX - 1)
- {
- _GLIBCXX_DEBUG_ASSERT(max >= min);
- const double prob = get_prob();
- const unsigned long r = (unsigned long)((max - min + 1) * prob) + min;
- _GLIBCXX_DEBUG_ASSERT(r <= max);
- return r;
- }
-
- double
- get_prob()
- {
- const double min = m_base_generator.min();
- const double max = m_base_generator.max();
- const double range = static_cast<const double>(max - min);
- const double res = static_cast<const double>(m_base_generator() - min);
- const double ret = res / range;
- _GLIBCXX_DEBUG_ASSERT(ret >= 0 && ret <= 1);
- return ret;
- }
-
- private:
- typedef std::tr1::mt19937 base_generator_t;
-
- base_generator_t m_base_generator;
- };
- } // namespace test
-} // namespace __gnu_pbds
-
-#endif // #ifndef _GLIBCXX_TESTSUITE_RNG_H
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