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1 /* boost random/taus88.hpp header file
2  *
3  * Copyright Jens Maurer 2000-2001
4  * Copyright Steven Watanabe 2011
5  * Distributed under the Boost Software License, Version 1.0. (See
6  * accompanying file LICENSE_1_0.txt or copy at
7  * http://www.boost.org/LICENSE_1_0.txt)
8  *
9  * See http://www.boost.org/libs/random for documentation.
10  *
11  * $Id$
12  *
13  */
14 
15 #ifndef BOOST_RANDOM_TAUS88_HPP
16 #define BOOST_RANDOM_TAUS88_HPP
17 
18 #include <boost/random/linear_feedback_shift.hpp>
19 #include <boost/random/xor_combine.hpp>
20 
21 namespace boost {
22 namespace random {
23 
24 /**
25  * The specialization taus88 was suggested in
26  *
27  *  @blockquote
28  *  "Maximally Equidistributed Combined Tausworthe Generators",
29  *  Pierre L'Ecuyer, Mathematics of Computation, Volume 65,
30  *  Number 213, January 1996, Pages 203-213
31  *  @endblockquote
32  */
33 typedef xor_combine_engine<
34     xor_combine_engine<
35         linear_feedback_shift_engine<uint32_t, 32, 31, 13, 12>, 0,
36         linear_feedback_shift_engine<uint32_t, 32, 29, 2, 4>, 0>, 0,
37     linear_feedback_shift_engine<uint32_t, 32, 28, 3, 17>, 0> taus88;
38 
39 } // namespace random
40 
41 using random::taus88;
42 
43 } // namespace boost
44 
45 #endif // BOOST_RANDOM_TAUS88_HPP
46