Updated boost to v1.55.0

[rsem.git] / boost / random / taus88.hpp

diff --git a/boost/random/taus88.hpp b/boost/random/taus88.hpp
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+/* boost random/taus88.hpp header file
+ *
+ * Copyright Jens Maurer 2000-2001
+ * Copyright Steven Watanabe 2011
+ * Distributed under the Boost Software License, Version 1.0. (See
+ * accompanying file LICENSE_1_0.txt or copy at
+ * http://www.boost.org/LICENSE_1_0.txt)
+ *
+ * See http://www.boost.org/libs/random for documentation.
+ *
+ * $Id: taus88.hpp 71018 2011-04-05 21:27:52Z steven_watanabe $
+ *
+ */
+
+#ifndef BOOST_RANDOM_TAUS88_HPP
+#define BOOST_RANDOM_TAUS88_HPP
+
+#include <boost/random/linear_feedback_shift.hpp>
+#include <boost/random/xor_combine.hpp>
+
+namespace boost {
+namespace random {
+
+/** 
+ * The specialization taus88 was suggested in
+ *
+ *  @blockquote
+ *  "Maximally Equidistributed Combined Tausworthe Generators",
+ *  Pierre L'Ecuyer, Mathematics of Computation, Volume 65,
+ *  Number 213, January 1996, Pages 203-213
+ *  @endblockquote
+ */
+typedef xor_combine_engine<
+    xor_combine_engine<
+        linear_feedback_shift_engine<uint32_t, 32, 31, 13, 12>, 0,
+        linear_feedback_shift_engine<uint32_t, 32, 29, 2, 4>, 0>, 0,
+    linear_feedback_shift_engine<uint32_t, 32, 28, 3, 17>, 0> taus88;
+
+} // namespace random
+
+using random::taus88;
+
+} // namespace boost
+
+#endif // BOOST_RANDOM_TAUS88_HPP