1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
///////////////////////////////////////////////////////////////
// Copyright 2013 John Maddock. 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_
#include <boost/random/mersenne_twister.hpp>
#include <boost/random/uniform_int.hpp>
#include <boost/timer.hpp>
#include "test.hpp"
#include <iostream>
#include <iomanip>
#include <sstream>
#include <boost/archive/text_iarchive.hpp>
#include <boost/archive/text_oarchive.hpp>
#include <boost/archive/binary_iarchive.hpp>
#include <boost/archive/binary_oarchive.hpp>
#include <boost/exception/all.hpp>
#ifndef BOOST_MP_TEST_FLOAT_SERIAL_HPP
#define BOOST_MP_TEST_FLOAT_SERIAL_HPP
template <class T>
T generate_random(unsigned bits_wanted)
{
typedef typename T::backend_type::exponent_type e_type;
static boost::random::mt19937 gen;
T val = gen();
T prev_val = -1;
while(val != prev_val)
{
val *= (gen.max)();
prev_val = val;
val += gen();
}
e_type e;
val = frexp(val, &e);
static boost::random::uniform_int_distribution<e_type> ui(std::numeric_limits<T>::min_exponent + 1, std::numeric_limits<T>::max_exponent - 1);
return ldexp(val, ui(gen));
}
template <class T>
void test()
{
boost::timer tim;
while(true)
{
T val = generate_random<T>(boost::math::tools::digits<T>());
int test_id = 0;
std::string stream_contents;
#ifndef BOOST_NO_EXCEPTIONS
try{
#endif
test_id = 0;
{
std::stringstream ss(std::ios_base::in | std::ios_base::out | std::ios_base::binary);
boost::archive::text_oarchive oa(ss);
oa << static_cast<const T&>(val);
stream_contents = ss.str();
boost::archive::text_iarchive ia(ss);
T val2;
ia >> val2;
BOOST_CHECK_EQUAL(val, val2);
}
{
std::stringstream ss(std::ios_base::in | std::ios_base::out | std::ios_base::binary);
++test_id;
boost::archive::binary_oarchive ba(ss);
ba << static_cast<const T&>(val);
stream_contents = ss.str();
boost::archive::binary_iarchive ib(ss);
T val2;
ib >> val2;
BOOST_CHECK_EQUAL(val, val2);
}
{
std::stringstream ss(std::ios_base::in | std::ios_base::out | std::ios_base::binary);
val = -val;
++test_id;
boost::archive::text_oarchive oa2(ss);
oa2 << static_cast<const T&>(val);
stream_contents = ss.str();
boost::archive::text_iarchive ia2(ss);
T val2;
ia2 >> val2;
BOOST_CHECK_EQUAL(val, val2);
}
{
std::stringstream ss(std::ios_base::in | std::ios_base::out | std::ios_base::binary);
++test_id;
boost::archive::binary_oarchive ba2(ss);
ba2 << static_cast<const T&>(val);
stream_contents = ss.str();
boost::archive::binary_iarchive ib2(ss);
T val2;
ib2 >> val2;
BOOST_CHECK_EQUAL(val, val2);
}
#ifndef BOOST_NO_EXCEPTIONS
}
catch(const boost::exception& e)
{
std::cout << "Caught boost::exception with:\n";
std::cout << diagnostic_information(e);
std::cout << "Failed test ID = " << test_id << std::endl;
std::cout << "Stream contents were: \n" << stream_contents << std::endl;
++boost::detail::test_errors();
break;
}
catch(const std::exception& e)
{
std::cout << "Caught std::exception with:\n";
std::cout << e.what() << std::endl;
std::cout << "Failed test ID = " << test_id << std::endl;
std::cout << "Stream contents were: \n" << stream_contents << std::endl;
++boost::detail::test_errors();
break;
}
#endif
//
// Check to see if test is taking too long.
// Tests run on the compiler farm time out after 300 seconds,
// so don't get too close to that:
//
if(tim.elapsed() > 150)
{
std::cout << "Timeout reached, aborting tests now....\n";
break;
}
}
}
#endif
|
