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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 | // From <boost/integer/common_factor_ct.hpp> | |
163 | ||
164 | #ifdef BOOST_NO_INTEGRAL_INT64_T | |
165 | typedef unsigned long static_gcd_type; | |
166 | #else | |
167 | typedef boost::uintmax_t static_gcd_type; | |
168 | #endif | |
169 | ||
170 | template < static_gcd_type Value1, static_gcd_type Value2 > | |
171 | struct static_gcd; | |
172 | template < static_gcd_type Value1, static_gcd_type Value2 > | |
173 | struct static_lcm; | |
174 | ||
175 | ||
176 | // From <boost/integer/common_factor_rt.hpp> | |
177 | ||
178 | template < typename IntegerType > | |
179 | class gcd_evaluator; | |
180 | template < typename IntegerType > | |
181 | class lcm_evaluator; | |
182 | ||
183 | ||
184 | } // namespace boost | |
185 | ||
186 | ||
187 | #endif // BOOST_INTEGER_FWD_HPP |