-
Notifications
You must be signed in to change notification settings - Fork 1
/
Copy pathlimits.hpp
141 lines (120 loc) · 5.5 KB
/
limits.hpp
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
137
138
139
140
141
// (C) Copyright Boost.org 1999. Permission to copy, use, modify, sell and
// distribute this software is granted provided this copyright notice appears
// in all copies. This software is provided "as is" without express or implied
// warranty, and with no claim as to its suitability for any purpose.
//
// use this header as a workaround for missing <limits>
// See http://www.boost.org/libs/utility/limits.html for documentation.
#ifndef BOOST_LIMITS
#define BOOST_LIMITS
#include <boost/config.hpp>
#ifdef BOOST_NO_LIMITS
# include <boost/detail/limits.hpp>
#else
# include <limits>
#endif
#if (defined(BOOST_HAS_LONG_LONG) && defined(BOOST_NO_LONG_LONG_NUMERIC_LIMITS)) \
|| (defined(BOOST_HAS_MS_INT64) && defined(BOOST_NO_MS_INT64_NUMERIC_LIMITS))
// Add missing specializations for numeric_limits:
#ifdef BOOST_HAS_MS_INT64
# define BOOST_LLT __int64
#else
# define BOOST_LLT long long
#endif
namespace std
{
template<>
class numeric_limits<BOOST_LLT>
{
public:
BOOST_STATIC_CONSTANT(bool, is_specialized = true);
#ifdef BOOST_HAS_MS_INT64
static BOOST_LLT min(){ return 0x8000000000000000i64; }
static BOOST_LLT max(){ return 0x7FFFFFFFFFFFFFFFi64; }
#elif defined(LLONG_MAX)
static BOOST_LLT min(){ return LLONG_MIN; }
static BOOST_LLT max(){ return LLONG_MAX; }
#elif defined(LONGLONG_MAX)
static BOOST_LLT min(){ return LONGLONG_MIN; }
static BOOST_LLT max(){ return LONGLONG_MAX; }
#else
static BOOST_LLT min(){ return 1LL << (sizeof(BOOST_LLT) * CHAR_BIT - 1); }
static BOOST_LLT max(){ return ~min(); }
#endif
BOOST_STATIC_CONSTANT(int, digits = sizeof(BOOST_LLT) * CHAR_BIT -1);
BOOST_STATIC_CONSTANT(int, digits10 = (CHAR_BIT * sizeof (BOOST_LLT) - 1) * 301L / 1000);
BOOST_STATIC_CONSTANT(bool, is_signed = true);
BOOST_STATIC_CONSTANT(bool, is_integer = true);
BOOST_STATIC_CONSTANT(bool, is_exact = true);
BOOST_STATIC_CONSTANT(int, radix = 2);
static BOOST_LLT epsilon() throw() { return 0; };
static BOOST_LLT round_error() throw() { return 0; };
BOOST_STATIC_CONSTANT(int, min_exponent = 0);
BOOST_STATIC_CONSTANT(int, min_exponent10 = 0);
BOOST_STATIC_CONSTANT(int, max_exponent = 0);
BOOST_STATIC_CONSTANT(int, max_exponent10 = 0);
BOOST_STATIC_CONSTANT(bool, has_infinity = false);
BOOST_STATIC_CONSTANT(bool, has_quiet_NaN = false);
BOOST_STATIC_CONSTANT(bool, has_signaling_NaN = false);
BOOST_STATIC_CONSTANT(bool, has_denorm = false);
BOOST_STATIC_CONSTANT(bool, has_denorm_loss = false);
static BOOST_LLT infinity() throw() { return 0; };
static BOOST_LLT quiet_NaN() throw() { return 0; };
static BOOST_LLT signaling_NaN() throw() { return 0; };
static BOOST_LLT denorm_min() throw() { return 0; };
BOOST_STATIC_CONSTANT(bool, is_iec559 = false);
BOOST_STATIC_CONSTANT(bool, is_bounded = false);
BOOST_STATIC_CONSTANT(bool, is_modulo = false);
BOOST_STATIC_CONSTANT(bool, traps = false);
BOOST_STATIC_CONSTANT(bool, tinyness_before = false);
BOOST_STATIC_CONSTANT(float_round_style, round_style = round_toward_zero);
};
template<>
class numeric_limits<unsigned BOOST_LLT>
{
public:
BOOST_STATIC_CONSTANT(bool, is_specialized = true);
#ifdef BOOST_HAS_MS_INT64
static unsigned BOOST_LLT min(){ return 0ui64; }
static unsigned BOOST_LLT max(){ return 0xFFFFFFFFFFFFFFFFui64; }
#elif defined(ULLONG_MAX) && defined(ULLONG_MIN)
static unsigned BOOST_LLT min(){ return ULLONG_MIN; }
static unsigned BOOST_LLT max(){ return ULLONG_MAX; }
#elif defined(ULONGLONG_MAX) && defined(ULONGLONG_MIN)
static unsigned BOOST_LLT min(){ return ULONGLONG_MIN; }
static unsigned BOOST_LLT max(){ return ULONGLONG_MAX; }
#else
static unsigned BOOST_LLT min(){ return 0uLL; }
static unsigned BOOST_LLT max(){ return ~0uLL; }
#endif
BOOST_STATIC_CONSTANT(int, digits = sizeof(BOOST_LLT) * CHAR_BIT);
BOOST_STATIC_CONSTANT(int, digits10 = (CHAR_BIT * sizeof (BOOST_LLT)) * 301L / 1000);
BOOST_STATIC_CONSTANT(bool, is_signed = false);
BOOST_STATIC_CONSTANT(bool, is_integer = true);
BOOST_STATIC_CONSTANT(bool, is_exact = true);
BOOST_STATIC_CONSTANT(int, radix = 2);
static unsigned BOOST_LLT epsilon() throw() { return 0; };
static unsigned BOOST_LLT round_error() throw() { return 0; };
BOOST_STATIC_CONSTANT(int, min_exponent = 0);
BOOST_STATIC_CONSTANT(int, min_exponent10 = 0);
BOOST_STATIC_CONSTANT(int, max_exponent = 0);
BOOST_STATIC_CONSTANT(int, max_exponent10 = 0);
BOOST_STATIC_CONSTANT(bool, has_infinity = false);
BOOST_STATIC_CONSTANT(bool, has_quiet_NaN = false);
BOOST_STATIC_CONSTANT(bool, has_signaling_NaN = false);
BOOST_STATIC_CONSTANT(bool, has_denorm = false);
BOOST_STATIC_CONSTANT(bool, has_denorm_loss = false);
static unsigned BOOST_LLT infinity() throw() { return 0; };
static unsigned BOOST_LLT quiet_NaN() throw() { return 0; };
static unsigned BOOST_LLT signaling_NaN() throw() { return 0; };
static unsigned BOOST_LLT denorm_min() throw() { return 0; };
BOOST_STATIC_CONSTANT(bool, is_iec559 = false);
BOOST_STATIC_CONSTANT(bool, is_bounded = false);
BOOST_STATIC_CONSTANT(bool, is_modulo = false);
BOOST_STATIC_CONSTANT(bool, traps = false);
BOOST_STATIC_CONSTANT(bool, tinyness_before = false);
BOOST_STATIC_CONSTANT(float_round_style, round_style = round_toward_zero);
};
}
#endif
#endif