Microsimulation API: /home/marcle/src/R/microsimulation/src/rngstream-boost.hpp Source File

Microsimulation API

/home/marcle/src/R/microsimulation/src/rngstream-boost.hpp
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1 /* boost random/rngstream-boost.hpp header file
2 *
3 * Copyright Mark Clements 2014
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 *
11 * Revision history
12 */
13
14 /***********************************************************************\
15 *
16 * File: RngStream.cpp for multiple streams of Random Numbers
17 * Language: C++ (ISO 1998)
18 * Copyright: Pierre L'Ecuyer, University of Montreal
19 * Notice: This code can be used freely for personal, academic,
20 * or non-commercial purposes. For commercial purposes,
21 * please contact P. L'Ecuyer at: lecuyer@iro.umontreal.ca
22 * Date: 14 August 2001
23 *
24 \***********************************************************************/
25
26 #ifndef BOOST_RANDOM_RNGSTREAM_BOOST_HPP
27 #define BOOST_RANDOM_RNGSTREAM_BOOST_HPP
28
29 #include <iostream>
30 #include <stdexcept>
31 #include <boost/assert.hpp>
32 #include <boost/config.hpp>
33 #include <boost/cstdint.hpp>
34 #include <boost/limits.hpp>
35 #include <boost/static_assert.hpp>
36 #include <boost/integer/static_log2.hpp>
37 #include <boost/mpl/if.hpp>
38 #include <boost/type_traits/is_arithmetic.hpp>
39 #include <boost/random/detail/config.hpp>
40 #include <boost/random/detail/const_mod.hpp>
41 #include <boost/random/detail/seed.hpp>
42 //#include <boost/random/detail/seed_impl.hpp>
43 #include <boost/detail/workaround.hpp>
44 #include <string>
45 #include <cstdlib>
46
47 #include <boost/random/detail/disable_warnings.hpp>
48
49 #include <RngStream.h>
50 #include <RngStream.cpp>
51
52 namespace boost {
53 namespace random {
54
55 using ssim::RngStream;
56
57 class rngstream : public RngStream
58 {
59 public:
60 typedef double result_type;
61
62 //BOOST_STATIC_CONSTANT(bool, has_fixed_range = false);
66 static double min BOOST_PREVENT_MACRO_SUBSTITUTION () { return 0.0; }
70 static double max BOOST_PREVENT_MACRO_SUBSTITUTION ()
71 { return 1.0; } // or 2^24?
72
74 rngstream() : RngStream("") { }
75
76 // compiler-generated copy ctor and assignment operator are fine
77
79 void seed() {
80 unsigned long seed[6];
81 for (int i = 0; i<6; i++)
82 seed[i] = 12345ul;
83 SetSeed(seed);
84 }
85
87 double operator()() { return RandU01(); }
88
90 template<class Iter>
91 void generate(Iter first, Iter last)
92 {
93 for(; first != last; ++first) {
94 *first = (*this)();
95 }
96 }
97
98 #ifndef BOOST_RANDOM_NO_STREAM_OPERATORS
99
100 template<class CharT,class Traits>
101 friend std::basic_ostream<CharT,Traits>&
102 operator<<(std::basic_ostream<CharT,Traits>& os, const rngstream& r)
103 {
104 unsigned long seed[6];
105 r.GetState (seed);
106 for (int i = 0; i<5; i++)
107 os << seed[i] << ' ';
108 os << seed[5];
109 return os;
110 }
111
113 template<class CharT,class Traits>
114 friend std::basic_istream<CharT,Traits>&
115 operator>>(std::basic_istream<CharT,Traits>& is, rngstream& r)
116 {
117 unsigned long seed[6];
118 for (int i = 0; i<6; i++)
119 is >> seed[i];
120 r.SetSeed(seed);
121 return is;
122 }
123 #endif
124
129 friend bool operator==(const rngstream& x, const rngstream& y)
130 {
131 unsigned long seedx[6], seedy[6];
132 x.GetState (seedx);
133 y.GetState (seedy);
134 for (int i = 0; i<6; i++)
135 if (seedx[i] != seedy[i])
136 return false;
137 return true;
138 }
143 friend bool operator!=(const rngstream& x, const rngstream& y)
144 { return !(x == y); }
145 };
146
147 } // namespace random
148
149 using random::rngstream;
150
151 } // namespace boost
152
153 #include <boost/random/detail/enable_warnings.hpp>
154
155 #endif // BOOST_RANDOM_RNGSTREAM_BOOST_HPP
boost
Definition: rngstream-boost.hpp:52
RngStream.cpp
boost::random::rngstream::result_type
double result_type
Definition: rngstream-boost.hpp:60
RngStream.h
boost::random::rngstream
Definition: rngstream-boost.hpp:57
ssim::RngStream::SetSeed
bool SetSeed(const double seed[6])
Definition: RngStream.cpp:402
boost::random::rngstream::generate
void generate(Iter first, Iter last)
Definition: rngstream-boost.hpp:91
boost::random::rngstream::operator()
double operator()()
Definition: rngstream-boost.hpp:87
boost::random::rngstream::rngstream
rngstream()
Definition: rngstream-boost.hpp:74
boost::random::rngstream::BOOST_PREVENT_MACRO_SUBSTITUTION
static double min BOOST_PREVENT_MACRO_SUBSTITUTION()
Definition: rngstream-boost.hpp:66
boost::random::rngstream::operator!=
friend bool operator!=(const rngstream &x, const rngstream &y)
Definition: rngstream-boost.hpp:143
boost::random::rngstream::BOOST_PREVENT_MACRO_SUBSTITUTION
static double max BOOST_PREVENT_MACRO_SUBSTITUTION()
Definition: rngstream-boost.hpp:70
ssim::RngStream::GetState
void GetState(double seed[6]) const
Definition: RngStream.cpp:496
ssim::RngStream::RandU01
double RandU01()
Definition: RngStream.cpp:566
boost::random::rngstream::seed
void seed()
Definition: rngstream-boost.hpp:79
boost::random::rngstream::operator>>
friend std::basic_istream< CharT, Traits > & operator>>(std::basic_istream< CharT, Traits > &is, rngstream &r)
Definition: rngstream-boost.hpp:115
boost::random::rngstream::operator<<
friend std::basic_ostream< CharT, Traits > & operator<<(std::basic_ostream< CharT, Traits > &os, const rngstream &r)
Definition: rngstream-boost.hpp:102
boost::random::rngstream::operator==
friend bool operator==(const rngstream &x, const rngstream &y)
Definition: rngstream-boost.hpp:129
ssim::RngStream
Definition: RngStream.h:30