ceph/src/boost/boost/random/ranlux.hpp

   1 /* boost random/ranlux.hpp header file
   2  *
   3  * Copyright Jens Maurer 2002
   4  * Distributed under the Boost Software License, Version 1.0. (See
   5  * accompanying file LICENSE_1_0.txt or copy at
   6  * http://www.boost.org/LICENSE_1_0.txt)
   7  *
   8  * See http://www.boost.org for most recent version including documentation.
   9  *
  10  * $Id$
  11  *
  12  * Revision history
  13  *  2001-02-18  created
  14  */
  15
  16 #ifndef BOOST_RANDOM_RANLUX_HPP
  17 #define BOOST_RANDOM_RANLUX_HPP
  18
  19 #include <boost/config.hpp>
  20 #include <boost/random/subtract_with_carry.hpp>
  21 #include <boost/random/discard_block.hpp>
  22
  23 namespace boost {
  24
  25 namespace random {
  26
  27 namespace detail {
  28 /**
  29  * The ranlux family of generators are described in
  30  *
  31  *  @blockquote
  32  *  "A portable high-quality random number generator for lattice field theory
  33  *  calculations", M. Luescher, Computer Physics Communications, 79 (1994)
  34  *  pp 100-110.
  35  *  @endblockquote
  36  *
  37  * The levels are given in
  38  *
  39  *  @blockquote
  40  *  "RANLUX: A Fortran implementation of the high-quality
  41  *  pseudorandom number generator of Luescher", F. James,
  42  *  Computer Physics Communications 79 (1994) 111-114
  43  *  @endblockquote
  44  */
  45 class ranlux_documentation {};
  46 }
  47
  48 typedef subtract_with_carry_engine<uint32_t, 24, 10, 24> ranlux_base;
  49 typedef subtract_with_carry_01_engine<float, 24, 10, 24> ranlux_base_01;
  50 typedef subtract_with_carry_01_engine<double, 48, 10, 24> ranlux64_base_01;
  51
  52
  53 /** @copydoc boost::random::detail::ranlux_documentation */
  54 typedef discard_block_engine<ranlux_base, 223, 24> ranlux3;
  55 /** @copydoc boost::random::detail::ranlux_documentation */
  56 typedef discard_block_engine<ranlux_base, 389, 24> ranlux4;
  57
  58 /** @copydoc boost::random::detail::ranlux_documentation */
  59 typedef discard_block_engine<ranlux_base_01, 223, 24> ranlux3_01;
  60 /** @copydoc boost::random::detail::ranlux_documentation */
  61 typedef discard_block_engine<ranlux_base_01, 389, 24> ranlux4_01;
  62
  63 /** @copydoc boost::random::detail::ranlux_documentation */
  64 typedef discard_block_engine<ranlux64_base_01, 223, 24> ranlux64_3_01;
  65 /** @copydoc boost::random::detail::ranlux_documentation */
  66 typedef discard_block_engine<ranlux64_base_01, 389, 24> ranlux64_4_01;
  67
  68 #if !defined(BOOST_NO_INT64_T) && !defined(BOOST_NO_INTEGRAL_INT64_T)
  69 typedef subtract_with_carry_engine<uint64_t, 48, 10, 24> ranlux64_base;
  70 /** @copydoc boost::random::detail::ranlux_documentation */
  71 typedef discard_block_engine<ranlux64_base, 223, 24> ranlux64_3;
  72 /** @copydoc boost::random::detail::ranlux_documentation */
  73 typedef discard_block_engine<ranlux64_base, 389, 24> ranlux64_4;
  74 #endif /* !BOOST_NO_INT64_T && !BOOST_NO_INTEGRAL_INT64_T */
  75
  76
  77 typedef subtract_with_carry_engine<uint32_t, 24, 10, 24> ranlux24_base;
  78 typedef subtract_with_carry_engine<uint64_t, 48, 5, 12> ranlux48_base;
  79
  80 typedef discard_block_engine<ranlux24_base, 223, 23> ranlux24;
  81 #if !defined(BOOST_NO_INT64_T) && !defined(BOOST_NO_INTEGRAL_INT64_T)
  82 typedef discard_block_engine<ranlux48_base, 389, 11> ranlux48;
  83 #endif
  84 }
  85
  86 using random::ranlux3;
  87 using random::ranlux4;
  88 using random::ranlux3_01;
  89 using random::ranlux4_01;
  90 using random::ranlux64_3_01;
  91 using random::ranlux64_4_01;
  92 #if !defined(BOOST_NO_INT64_T) && !defined(BOOST_NO_INTEGRAL_INT64_T)
  93 using random::ranlux64_3;
  94 using random::ranlux64_4;
  95 #endif
  96
  97 } // namespace boost
  98
  99 #endif // BOOST_RANDOM_LINEAR_CONGRUENTIAL_HPP