williamr@4
|
1 |
|
williamr@4
|
2 |
// (C) Copyright John maddock 1999.
|
williamr@4
|
3 |
// (C) David Abrahams 2002. Distributed under the Boost
|
williamr@4
|
4 |
// Software License, Version 1.0. (See accompanying file
|
williamr@4
|
5 |
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
williamr@4
|
6 |
//
|
williamr@4
|
7 |
// use this header as a workaround for missing <limits>
|
williamr@4
|
8 |
|
williamr@4
|
9 |
// See http://www.boost.org/libs/utility/limits.html for documentation.
|
williamr@4
|
10 |
|
williamr@4
|
11 |
#ifndef BOOST_LIMITS
|
williamr@4
|
12 |
#define BOOST_LIMITS
|
williamr@4
|
13 |
|
williamr@4
|
14 |
#include <boost/config.hpp>
|
williamr@4
|
15 |
|
williamr@4
|
16 |
#ifdef BOOST_NO_LIMITS
|
williamr@4
|
17 |
# include <boost/detail/limits.hpp>
|
williamr@4
|
18 |
#else
|
williamr@4
|
19 |
# include <limits>
|
williamr@4
|
20 |
#endif
|
williamr@4
|
21 |
|
williamr@4
|
22 |
#if (defined(BOOST_HAS_LONG_LONG) && defined(BOOST_NO_LONG_LONG_NUMERIC_LIMITS)) \
|
williamr@4
|
23 |
|| (defined(BOOST_HAS_MS_INT64) && defined(BOOST_NO_MS_INT64_NUMERIC_LIMITS))
|
williamr@4
|
24 |
// Add missing specializations for numeric_limits:
|
williamr@4
|
25 |
#ifdef BOOST_HAS_MS_INT64
|
williamr@4
|
26 |
# define BOOST_LLT __int64
|
williamr@4
|
27 |
# define BOOST_ULLT unsigned __int64
|
williamr@4
|
28 |
#else
|
williamr@4
|
29 |
# define BOOST_LLT ::boost::long_long_type
|
williamr@4
|
30 |
# define BOOST_ULLT ::boost::ulong_long_type
|
williamr@4
|
31 |
#endif
|
williamr@4
|
32 |
|
williamr@4
|
33 |
namespace std
|
williamr@4
|
34 |
{
|
williamr@4
|
35 |
template<>
|
williamr@4
|
36 |
class numeric_limits<BOOST_LLT>
|
williamr@4
|
37 |
{
|
williamr@4
|
38 |
public:
|
williamr@4
|
39 |
|
williamr@4
|
40 |
BOOST_STATIC_CONSTANT(bool, is_specialized = true);
|
williamr@4
|
41 |
#ifdef BOOST_HAS_MS_INT64
|
williamr@4
|
42 |
static BOOST_LLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return 0x8000000000000000i64; }
|
williamr@4
|
43 |
static BOOST_LLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return 0x7FFFFFFFFFFFFFFFi64; }
|
williamr@4
|
44 |
#elif defined(LLONG_MAX)
|
williamr@4
|
45 |
static BOOST_LLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return LLONG_MIN; }
|
williamr@4
|
46 |
static BOOST_LLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return LLONG_MAX; }
|
williamr@4
|
47 |
#elif defined(LONGLONG_MAX)
|
williamr@4
|
48 |
static BOOST_LLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return LONGLONG_MIN; }
|
williamr@4
|
49 |
static BOOST_LLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return LONGLONG_MAX; }
|
williamr@4
|
50 |
#else
|
williamr@4
|
51 |
static BOOST_LLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return 1LL << (sizeof(BOOST_LLT) * CHAR_BIT - 1); }
|
williamr@4
|
52 |
static BOOST_LLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return ~(min)(); }
|
williamr@4
|
53 |
#endif
|
williamr@4
|
54 |
BOOST_STATIC_CONSTANT(int, digits = sizeof(BOOST_LLT) * CHAR_BIT -1);
|
williamr@4
|
55 |
BOOST_STATIC_CONSTANT(int, digits10 = (CHAR_BIT * sizeof (BOOST_LLT) - 1) * 301L / 1000);
|
williamr@4
|
56 |
BOOST_STATIC_CONSTANT(bool, is_signed = true);
|
williamr@4
|
57 |
BOOST_STATIC_CONSTANT(bool, is_integer = true);
|
williamr@4
|
58 |
BOOST_STATIC_CONSTANT(bool, is_exact = true);
|
williamr@4
|
59 |
BOOST_STATIC_CONSTANT(int, radix = 2);
|
williamr@4
|
60 |
static BOOST_LLT epsilon() throw() { return 0; };
|
williamr@4
|
61 |
static BOOST_LLT round_error() throw() { return 0; };
|
williamr@4
|
62 |
|
williamr@4
|
63 |
BOOST_STATIC_CONSTANT(int, min_exponent = 0);
|
williamr@4
|
64 |
BOOST_STATIC_CONSTANT(int, min_exponent10 = 0);
|
williamr@4
|
65 |
BOOST_STATIC_CONSTANT(int, max_exponent = 0);
|
williamr@4
|
66 |
BOOST_STATIC_CONSTANT(int, max_exponent10 = 0);
|
williamr@4
|
67 |
|
williamr@4
|
68 |
BOOST_STATIC_CONSTANT(bool, has_infinity = false);
|
williamr@4
|
69 |
BOOST_STATIC_CONSTANT(bool, has_quiet_NaN = false);
|
williamr@4
|
70 |
BOOST_STATIC_CONSTANT(bool, has_signaling_NaN = false);
|
williamr@4
|
71 |
BOOST_STATIC_CONSTANT(bool, has_denorm = false);
|
williamr@4
|
72 |
BOOST_STATIC_CONSTANT(bool, has_denorm_loss = false);
|
williamr@4
|
73 |
static BOOST_LLT infinity() throw() { return 0; };
|
williamr@4
|
74 |
static BOOST_LLT quiet_NaN() throw() { return 0; };
|
williamr@4
|
75 |
static BOOST_LLT signaling_NaN() throw() { return 0; };
|
williamr@4
|
76 |
static BOOST_LLT denorm_min() throw() { return 0; };
|
williamr@4
|
77 |
|
williamr@4
|
78 |
BOOST_STATIC_CONSTANT(bool, is_iec559 = false);
|
williamr@4
|
79 |
BOOST_STATIC_CONSTANT(bool, is_bounded = false);
|
williamr@4
|
80 |
BOOST_STATIC_CONSTANT(bool, is_modulo = false);
|
williamr@4
|
81 |
|
williamr@4
|
82 |
BOOST_STATIC_CONSTANT(bool, traps = false);
|
williamr@4
|
83 |
BOOST_STATIC_CONSTANT(bool, tinyness_before = false);
|
williamr@4
|
84 |
BOOST_STATIC_CONSTANT(float_round_style, round_style = round_toward_zero);
|
williamr@4
|
85 |
|
williamr@4
|
86 |
};
|
williamr@4
|
87 |
|
williamr@4
|
88 |
template<>
|
williamr@4
|
89 |
class numeric_limits<BOOST_ULLT>
|
williamr@4
|
90 |
{
|
williamr@4
|
91 |
public:
|
williamr@4
|
92 |
|
williamr@4
|
93 |
BOOST_STATIC_CONSTANT(bool, is_specialized = true);
|
williamr@4
|
94 |
#ifdef BOOST_HAS_MS_INT64
|
williamr@4
|
95 |
static BOOST_ULLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return 0ui64; }
|
williamr@4
|
96 |
static BOOST_ULLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return 0xFFFFFFFFFFFFFFFFui64; }
|
williamr@4
|
97 |
#elif defined(ULLONG_MAX) && defined(ULLONG_MIN)
|
williamr@4
|
98 |
static BOOST_ULLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return ULLONG_MIN; }
|
williamr@4
|
99 |
static BOOST_ULLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return ULLONG_MAX; }
|
williamr@4
|
100 |
#elif defined(ULONGLONG_MAX) && defined(ULONGLONG_MIN)
|
williamr@4
|
101 |
static BOOST_ULLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return ULONGLONG_MIN; }
|
williamr@4
|
102 |
static BOOST_ULLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return ULONGLONG_MAX; }
|
williamr@4
|
103 |
#else
|
williamr@4
|
104 |
static BOOST_ULLT min BOOST_PREVENT_MACRO_SUBSTITUTION (){ return 0uLL; }
|
williamr@4
|
105 |
static BOOST_ULLT max BOOST_PREVENT_MACRO_SUBSTITUTION (){ return ~0uLL; }
|
williamr@4
|
106 |
#endif
|
williamr@4
|
107 |
BOOST_STATIC_CONSTANT(int, digits = sizeof(BOOST_LLT) * CHAR_BIT);
|
williamr@4
|
108 |
BOOST_STATIC_CONSTANT(int, digits10 = (CHAR_BIT * sizeof (BOOST_LLT)) * 301L / 1000);
|
williamr@4
|
109 |
BOOST_STATIC_CONSTANT(bool, is_signed = false);
|
williamr@4
|
110 |
BOOST_STATIC_CONSTANT(bool, is_integer = true);
|
williamr@4
|
111 |
BOOST_STATIC_CONSTANT(bool, is_exact = true);
|
williamr@4
|
112 |
BOOST_STATIC_CONSTANT(int, radix = 2);
|
williamr@4
|
113 |
static BOOST_ULLT epsilon() throw() { return 0; };
|
williamr@4
|
114 |
static BOOST_ULLT round_error() throw() { return 0; };
|
williamr@4
|
115 |
|
williamr@4
|
116 |
BOOST_STATIC_CONSTANT(int, min_exponent = 0);
|
williamr@4
|
117 |
BOOST_STATIC_CONSTANT(int, min_exponent10 = 0);
|
williamr@4
|
118 |
BOOST_STATIC_CONSTANT(int, max_exponent = 0);
|
williamr@4
|
119 |
BOOST_STATIC_CONSTANT(int, max_exponent10 = 0);
|
williamr@4
|
120 |
|
williamr@4
|
121 |
BOOST_STATIC_CONSTANT(bool, has_infinity = false);
|
williamr@4
|
122 |
BOOST_STATIC_CONSTANT(bool, has_quiet_NaN = false);
|
williamr@4
|
123 |
BOOST_STATIC_CONSTANT(bool, has_signaling_NaN = false);
|
williamr@4
|
124 |
BOOST_STATIC_CONSTANT(bool, has_denorm = false);
|
williamr@4
|
125 |
BOOST_STATIC_CONSTANT(bool, has_denorm_loss = false);
|
williamr@4
|
126 |
static BOOST_ULLT infinity() throw() { return 0; };
|
williamr@4
|
127 |
static BOOST_ULLT quiet_NaN() throw() { return 0; };
|
williamr@4
|
128 |
static BOOST_ULLT signaling_NaN() throw() { return 0; };
|
williamr@4
|
129 |
static BOOST_ULLT denorm_min() throw() { return 0; };
|
williamr@4
|
130 |
|
williamr@4
|
131 |
BOOST_STATIC_CONSTANT(bool, is_iec559 = false);
|
williamr@4
|
132 |
BOOST_STATIC_CONSTANT(bool, is_bounded = false);
|
williamr@4
|
133 |
BOOST_STATIC_CONSTANT(bool, is_modulo = false);
|
williamr@4
|
134 |
|
williamr@4
|
135 |
BOOST_STATIC_CONSTANT(bool, traps = false);
|
williamr@4
|
136 |
BOOST_STATIC_CONSTANT(bool, tinyness_before = false);
|
williamr@4
|
137 |
BOOST_STATIC_CONSTANT(float_round_style, round_style = round_toward_zero);
|
williamr@4
|
138 |
|
williamr@4
|
139 |
};
|
williamr@4
|
140 |
}
|
williamr@4
|
141 |
#endif
|
williamr@4
|
142 |
|
williamr@4
|
143 |
#endif
|