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1 // Boost integer_fwd.hpp header file ---------------------------------------//
2
3 // (C) Copyright Dave Abrahams and Daryle Walker 2001. Distributed under the Boost
4 // Software License, Version 1.0. (See accompanying file
5 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6
7 // See http://www.boost.org/libs/integer for documentation.
8
9 #ifndef BOOST_INTEGER_FWD_HPP
10 #define BOOST_INTEGER_FWD_HPP
11
12 #include <climits> // for UCHAR_MAX, etc.
13 #include <cstddef> // for std::size_t
14
15 #include <boost/config.hpp> // for BOOST_NO_INTRINSIC_WCHAR_T
16 #include <boost/limits.hpp> // for std::numeric_limits
17 #include <boost/cstdint.hpp> // For intmax_t
18
19
20 namespace boost
21 {
22
23 #ifdef BOOST_NO_INTEGRAL_INT64_T
24 typedef unsigned long static_log2_argument_type;
25 typedef int static_log2_result_type;
26 typedef long static_min_max_signed_type;
27 typedef unsigned long static_min_max_unsigned_type;
28 #else
29 typedef boost::uintmax_t static_min_max_unsigned_type;
30 typedef boost::intmax_t static_min_max_signed_type;
31 typedef boost::uintmax_t static_log2_argument_type;
32 typedef int static_log2_result_type;
33 #endif
34
35 // From <boost/cstdint.hpp> ------------------------------------------------//
36
37 // Only has typedefs or using statements, with #conditionals
38
39
40 // From <boost/integer_traits.hpp> -----------------------------------------//
41
42 template < class T >
43 class integer_traits;
44
45 template < >
46 class integer_traits< bool >;
47
48 template < >
49 class integer_traits< char >;
50
51 template < >
52 class integer_traits< signed char >;
53
54 template < >
55 class integer_traits< unsigned char >;
56
57 #ifndef BOOST_NO_INTRINSIC_WCHAR_T
58 template < >
59 class integer_traits< wchar_t >;
60 #endif
61
62 template < >
63 class integer_traits< short >;
64
65 template < >
66 class integer_traits< unsigned short >;
67
68 template < >
69 class integer_traits< int >;
70
71 template < >
72 class integer_traits< unsigned int >;
73
74 template < >
75 class integer_traits< long >;
76
77 template < >
78 class integer_traits< unsigned long >;
79
80 #if !defined(BOOST_NO_INTEGRAL_INT64_T) && !defined(BOOST_NO_INT64_T) && defined(BOOST_HAS_LONG_LONG)
81 template < >
82 class integer_traits< ::boost::long_long_type>;
83
84 template < >
85 class integer_traits< ::boost::ulong_long_type >;
86 #elif !defined(BOOST_NO_INTEGRAL_INT64_T) && !defined(BOOST_NO_INT64_T) && defined(BOOST_HAS_MS_INT64)
87 template < >
88 class integer_traits<__int64>;
89
90 template < >
91 class integer_traits<unsigned __int64>;
92 #endif
93
94
95 // From <boost/integer.hpp> ------------------------------------------------//
96
97 template < typename LeastInt >
98 struct int_fast_t;
99
100 template< int Bits >
101 struct int_t;
102
103 template< int Bits >
104 struct uint_t;
105
106 #if !defined(BOOST_NO_INTEGRAL_INT64_T) && defined(BOOST_HAS_LONG_LONG)
107 template< boost::long_long_type MaxValue > // maximum value to require support
108 #else
109 template< long MaxValue > // maximum value to require support
110 #endif
111 struct int_max_value_t;
112
113 #if !defined(BOOST_NO_INTEGRAL_INT64_T) && defined(BOOST_HAS_LONG_LONG)
114 template< boost::long_long_type MinValue > // minimum value to require support
115 #else
116 template< long MinValue > // minimum value to require support
117 #endif
118 struct int_min_value_t;
119
120 #if !defined(BOOST_NO_INTEGRAL_INT64_T) && defined(BOOST_HAS_LONG_LONG)
121 template< boost::ulong_long_type MaxValue > // maximum value to require support
122 #else
123 template< unsigned long MaxValue > // maximum value to require support
124 #endif
125 struct uint_value_t;
126
127
128 // From <boost/integer/integer_mask.hpp> -----------------------------------//
129
130 template < std::size_t Bit >
131 struct high_bit_mask_t;
132
133 template < std::size_t Bits >
134 struct low_bits_mask_t;
135
136 template < >
137 struct low_bits_mask_t< ::std::numeric_limits<unsigned char>::digits >;
138
139 // From <boost/integer/static_log2.hpp> ------------------------------------//
140
141 template <static_log2_argument_type Value >
142 struct static_log2;
143
144 template <> struct static_log2<0u>;
145
146
147 // From <boost/integer/static_min_max.hpp> ---------------------------------//
148
149 template <static_min_max_signed_type Value1, static_min_max_signed_type Value2>
150 struct static_signed_min;
151
152 template <static_min_max_signed_type Value1, static_min_max_signed_type Value2>
153 struct static_signed_max;
154
155 template <static_min_max_unsigned_type Value1, static_min_max_unsigned_type Value2>
156 struct static_unsigned_min;
157
158 template <static_min_max_unsigned_type Value1, static_min_max_unsigned_type Value2>
159 struct static_unsigned_max;
160
161
162 namespace integer
163 {
164 // From <boost/integer/common_factor_ct.hpp>
165
166 #ifdef BOOST_NO_INTEGRAL_INT64_T
167 typedef unsigned long static_gcd_type;
168 #else
169 typedef boost::uintmax_t static_gcd_type;
170 #endif
171
172 template < static_gcd_type Value1, static_gcd_type Value2 >
173 struct static_gcd;
174 template < static_gcd_type Value1, static_gcd_type Value2 >
175 struct static_lcm;
176
177
178 // From <boost/integer/common_factor_rt.hpp>
179
180 template < typename IntegerType >
181 class gcd_evaluator;
182 template < typename IntegerType >
183 class lcm_evaluator;
184
185 } // namespace integer
186
187 } // namespace boost
188
189
190 #endif // BOOST_INTEGER_FWD_HPP