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
20namespace 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
42template < class T >
43 class integer_traits;
44
45template < >
46 class integer_traits< bool >;
47
48template < >
49 class integer_traits< char >;
50
51template < >
52 class integer_traits< signed char >;
53
54template < >
55 class integer_traits< unsigned char >;
56
57#ifndef BOOST_NO_INTRINSIC_WCHAR_T
58template < >
59 class integer_traits< wchar_t >;
60#endif
61
62template < >
63 class integer_traits< short >;
64
65template < >
66 class integer_traits< unsigned short >;
67
68template < >
69 class integer_traits< int >;
70
71template < >
72 class integer_traits< unsigned int >;
73
74template < >
75 class integer_traits< long >;
76
77template < >
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)
81template < >
82class integer_traits< ::boost::long_long_type>;
83
84template < >
85class integer_traits< ::boost::ulong_long_type >;
86#elif !defined(BOOST_NO_INTEGRAL_INT64_T) && !defined(BOOST_NO_INT64_T) && defined(BOOST_HAS_MS_INT64)
87template < >
88class integer_traits<__int64>;
89
90template < >
91class integer_traits<unsigned __int64>;
92#endif
93
94
95// From <boost/integer.hpp> ------------------------------------------------//
96
97template < typename LeastInt >
98 struct int_fast_t;
99
100template< int Bits >
101 struct int_t;
102
103template< 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
130template < std::size_t Bit >
131 struct high_bit_mask_t;
132
133template < std::size_t Bits >
134 struct low_bits_mask_t;
135
136template < >
137 struct low_bits_mask_t< ::std::numeric_limits<unsigned char>::digits >;
138
139// From <boost/integer/static_log2.hpp> ------------------------------------//
140
141template <static_log2_argument_type Value >
142 struct static_log2;
143
144template <> struct static_log2<0u>;
145
146
147// From <boost/integer/static_min_max.hpp> ---------------------------------//
148
149template <static_min_max_signed_type Value1, static_min_max_signed_type Value2>
150 struct static_signed_min;
151
152template <static_min_max_signed_type Value1, static_min_max_signed_type Value2>
153 struct static_signed_max;
154
155template <static_min_max_unsigned_type Value1, static_min_max_unsigned_type Value2>
156 struct static_unsigned_min;
157
158template <static_min_max_unsigned_type Value1, static_min_max_unsigned_type Value2>
159 struct static_unsigned_max;
160
161
162namespace 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
172template < static_gcd_type Value1, static_gcd_type Value2 >
173 struct static_gcd;
174template < static_gcd_type Value1, static_gcd_type Value2 >
175 struct static_lcm;
176
177
178// From <boost/integer/common_factor_rt.hpp>
179
180template < typename IntegerType >
181 class gcd_evaluator;
182template < typename IntegerType >
183 class lcm_evaluator;
184
185} // namespace integer
186
187} // namespace boost
188
189
190#endif // BOOST_INTEGER_FWD_HPP
191