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