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150
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1 // -*- C++ -*-
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2 //===---------------------------- chrono ----------------------------------===//
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3 //
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4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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5 // See https://llvm.org/LICENSE.txt for license information.
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6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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7 //
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8 //===----------------------------------------------------------------------===//
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9
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10 #ifndef _LIBCPP_CHRONO
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11 #define _LIBCPP_CHRONO
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12
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13 /*
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14 chrono synopsis
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15
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16 namespace std
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17 {
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18 namespace chrono
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19 {
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20
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21 template <class ToDuration, class Rep, class Period>
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22 constexpr
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23 ToDuration
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24 duration_cast(const duration<Rep, Period>& fd);
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25
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26 template <class Rep> struct treat_as_floating_point : is_floating_point<Rep> {};
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27
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28 template <class Rep> inline constexpr bool treat_as_floating_point_v
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29 = treat_as_floating_point<Rep>::value; // C++17
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30
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31 template <class Rep>
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32 struct duration_values
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33 {
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34 public:
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35 static constexpr Rep zero(); // noexcept in C++20
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36 static constexpr Rep max(); // noexcept in C++20
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37 static constexpr Rep min(); // noexcept in C++20
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38 };
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39
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40 // duration
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41
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42 template <class Rep, class Period = ratio<1>>
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43 class duration
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44 {
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45 static_assert(!__is_duration<Rep>::value, "A duration representation can not be a duration");
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46 static_assert(__is_ratio<Period>::value, "Second template parameter of duration must be a std::ratio");
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47 static_assert(Period::num > 0, "duration period must be positive");
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48 public:
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49 typedef Rep rep;
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50 typedef typename _Period::type period;
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51
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52 constexpr duration() = default;
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53 template <class Rep2>
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54 constexpr explicit duration(const Rep2& r,
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55 typename enable_if
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56 <
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57 is_convertible<Rep2, rep>::value &&
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58 (treat_as_floating_point<rep>::value ||
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59 !treat_as_floating_point<rep>::value && !treat_as_floating_point<Rep2>::value)
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60 >::type* = 0);
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61
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62 // conversions
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63 template <class Rep2, class Period2>
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64 constexpr duration(const duration<Rep2, Period2>& d,
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65 typename enable_if
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66 <
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67 treat_as_floating_point<rep>::value ||
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68 ratio_divide<Period2, period>::type::den == 1
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69 >::type* = 0);
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70
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71 // observer
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72
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73 constexpr rep count() const;
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74
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75 // arithmetic
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76
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77 constexpr common_type<duration>::type operator+() const;
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78 constexpr common_type<duration>::type operator-() const;
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79 constexpr duration& operator++(); // constexpr in C++17
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80 constexpr duration operator++(int); // constexpr in C++17
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81 constexpr duration& operator--(); // constexpr in C++17
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82 constexpr duration operator--(int); // constexpr in C++17
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83
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84 constexpr duration& operator+=(const duration& d); // constexpr in C++17
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85 constexpr duration& operator-=(const duration& d); // constexpr in C++17
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86
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87 duration& operator*=(const rep& rhs); // constexpr in C++17
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88 duration& operator/=(const rep& rhs); // constexpr in C++17
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89 duration& operator%=(const rep& rhs); // constexpr in C++17
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90 duration& operator%=(const duration& rhs); // constexpr in C++17
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91
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92 // special values
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93
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94 static constexpr duration zero(); // noexcept in C++20
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95 static constexpr duration min(); // noexcept in C++20
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96 static constexpr duration max(); // noexcept in C++20
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97 };
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98
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99 typedef duration<long long, nano> nanoseconds;
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100 typedef duration<long long, micro> microseconds;
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101 typedef duration<long long, milli> milliseconds;
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102 typedef duration<long long > seconds;
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103 typedef duration< long, ratio< 60> > minutes;
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104 typedef duration< long, ratio<3600> > hours;
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105
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106 template <class Clock, class Duration = typename Clock::duration>
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107 class time_point
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108 {
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109 public:
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110 typedef Clock clock;
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111 typedef Duration duration;
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112 typedef typename duration::rep rep;
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113 typedef typename duration::period period;
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114 private:
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115 duration d_; // exposition only
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116
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117 public:
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118 time_point(); // has value "epoch" // constexpr in C++14
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119 explicit time_point(const duration& d); // same as time_point() + d // constexpr in C++14
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120
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121 // conversions
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122 template <class Duration2>
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123 time_point(const time_point<clock, Duration2>& t); // constexpr in C++14
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124
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125 // observer
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126
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127 duration time_since_epoch() const; // constexpr in C++14
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128
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129 // arithmetic
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130
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131 time_point& operator+=(const duration& d); // constexpr in C++17
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132 time_point& operator-=(const duration& d); // constexpr in C++17
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133
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134 // special values
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135
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136 static constexpr time_point min(); // noexcept in C++20
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137 static constexpr time_point max(); // noexcept in C++20
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138 };
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139
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140 } // chrono
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141
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142 // common_type traits
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143 template <class Rep1, class Period1, class Rep2, class Period2>
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144 struct common_type<chrono::duration<Rep1, Period1>, chrono::duration<Rep2, Period2>>;
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145
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146 template <class Clock, class Duration1, class Duration2>
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147 struct common_type<chrono::time_point<Clock, Duration1>, chrono::time_point<Clock, Duration2>>;
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148
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149 namespace chrono {
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150
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151
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152 template<class T> struct is_clock; // C++20
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153 template<class T> inline constexpr bool is_clock_v = is_clock<T>::value; // C++20
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154
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155
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156 // duration arithmetic
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157 template <class Rep1, class Period1, class Rep2, class Period2>
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158 constexpr
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159 typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2>>::type
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160 operator+(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
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161 template <class Rep1, class Period1, class Rep2, class Period2>
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162 constexpr
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163 typename common_type<duration<Rep1, Period1>, duration<Rep2, Period2>>::type
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164 operator-(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
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165 template <class Rep1, class Period, class Rep2>
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166 constexpr
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167 duration<typename common_type<Rep1, Rep2>::type, Period>
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168 operator*(const duration<Rep1, Period>& d, const Rep2& s);
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169 template <class Rep1, class Period, class Rep2>
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170 constexpr
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171 duration<typename common_type<Rep1, Rep2>::type, Period>
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172 operator*(const Rep1& s, const duration<Rep2, Period>& d);
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173 template <class Rep1, class Period, class Rep2>
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174 constexpr
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175 duration<typename common_type<Rep1, Rep2>::type, Period>
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176 operator/(const duration<Rep1, Period>& d, const Rep2& s);
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177 template <class Rep1, class Period1, class Rep2, class Period2>
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178 constexpr
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179 typename common_type<Rep1, Rep2>::type
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180 operator/(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
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181
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182 // duration comparisons
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183 template <class Rep1, class Period1, class Rep2, class Period2>
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184 constexpr
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185 bool operator==(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
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186 template <class Rep1, class Period1, class Rep2, class Period2>
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187 constexpr
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188 bool operator!=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
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189 template <class Rep1, class Period1, class Rep2, class Period2>
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190 constexpr
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191 bool operator< (const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
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192 template <class Rep1, class Period1, class Rep2, class Period2>
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193 constexpr
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194 bool operator<=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
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195 template <class Rep1, class Period1, class Rep2, class Period2>
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196 constexpr
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197 bool operator> (const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
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198 template <class Rep1, class Period1, class Rep2, class Period2>
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199 constexpr
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200 bool operator>=(const duration<Rep1, Period1>& lhs, const duration<Rep2, Period2>& rhs);
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201
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202 // duration_cast
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203 template <class ToDuration, class Rep, class Period>
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204 ToDuration duration_cast(const duration<Rep, Period>& d);
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205
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206 template <class ToDuration, class Rep, class Period>
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207 constexpr ToDuration floor(const duration<Rep, Period>& d); // C++17
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208 template <class ToDuration, class Rep, class Period>
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209 constexpr ToDuration ceil(const duration<Rep, Period>& d); // C++17
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210 template <class ToDuration, class Rep, class Period>
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211 constexpr ToDuration round(const duration<Rep, Period>& d); // C++17
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212
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213 // duration I/O is elsewhere
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214
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215 // time_point arithmetic (all constexpr in C++14)
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216 template <class Clock, class Duration1, class Rep2, class Period2>
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217 time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type>
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218 operator+(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs);
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219 template <class Rep1, class Period1, class Clock, class Duration2>
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220 time_point<Clock, typename common_type<duration<Rep1, Period1>, Duration2>::type>
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221 operator+(const duration<Rep1, Period1>& lhs, const time_point<Clock, Duration2>& rhs);
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222 template <class Clock, class Duration1, class Rep2, class Period2>
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223 time_point<Clock, typename common_type<Duration1, duration<Rep2, Period2>>::type>
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224 operator-(const time_point<Clock, Duration1>& lhs, const duration<Rep2, Period2>& rhs);
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225 template <class Clock, class Duration1, class Duration2>
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226 typename common_type<Duration1, Duration2>::type
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227 operator-(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
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228
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229 // time_point comparisons (all constexpr in C++14)
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230 template <class Clock, class Duration1, class Duration2>
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231 bool operator==(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
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232 template <class Clock, class Duration1, class Duration2>
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233 bool operator!=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
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234 template <class Clock, class Duration1, class Duration2>
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235 bool operator< (const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
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236 template <class Clock, class Duration1, class Duration2>
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237 bool operator<=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
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238 template <class Clock, class Duration1, class Duration2>
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239 bool operator> (const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
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240 template <class Clock, class Duration1, class Duration2>
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241 bool operator>=(const time_point<Clock, Duration1>& lhs, const time_point<Clock, Duration2>& rhs);
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242
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243 // time_point_cast (constexpr in C++14)
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244
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245 template <class ToDuration, class Clock, class Duration>
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246 time_point<Clock, ToDuration> time_point_cast(const time_point<Clock, Duration>& t);
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247
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248 template <class ToDuration, class Clock, class Duration>
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249 constexpr time_point<Clock, ToDuration>
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250 floor(const time_point<Clock, Duration>& tp); // C++17
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251
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252 template <class ToDuration, class Clock, class Duration>
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253 constexpr time_point<Clock, ToDuration>
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254 ceil(const time_point<Clock, Duration>& tp); // C++17
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255
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256 template <class ToDuration, class Clock, class Duration>
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257 constexpr time_point<Clock, ToDuration>
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258 round(const time_point<Clock, Duration>& tp); // C++17
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259
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260 template <class Rep, class Period>
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261 constexpr duration<Rep, Period> abs(duration<Rep, Period> d); // C++17
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262
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263 // Clocks
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264
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265 class system_clock
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266 {
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267 public:
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268 typedef microseconds duration;
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269 typedef duration::rep rep;
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270 typedef duration::period period;
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271 typedef chrono::time_point<system_clock> time_point;
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272 static const bool is_steady = false; // constexpr in C++14
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273
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274 static time_point now() noexcept;
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275 static time_t to_time_t (const time_point& __t) noexcept;
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276 static time_point from_time_t(time_t __t) noexcept;
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277 };
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278
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279 template <class Duration>
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280 using sys_time = time_point<system_clock, Duration>; // C++20
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281 using sys_seconds = sys_time<seconds>; // C++20
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282 using sys_days = sys_time<days>; // C++20
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283
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284 class utc_clock; // C++20
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285
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286 template <class Duration>
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287 using utc_time = time_point<utc_clock, Duration>; // C++20
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288 using utc_seconds = utc_time<seconds>; // C++20
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289
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290 class tai_clock; // C++20
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291
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292 template <class Duration>
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293 using tai_time = time_point<tai_clock, Duration>; // C++20
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294 using tai_seconds = tai_time<seconds>; // C++20
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295
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296 class file_clock; // C++20
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297
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298 template<class Duration>
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299 using file_time = time_point<file_clock, Duration>; // C++20
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300
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301 class steady_clock
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302 {
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303 public:
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304 typedef nanoseconds duration;
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305 typedef duration::rep rep;
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306 typedef duration::period period;
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307 typedef chrono::time_point<steady_clock, duration> time_point;
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308 static const bool is_steady = true; // constexpr in C++14
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309
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310 static time_point now() noexcept;
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311 };
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312
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313 typedef steady_clock high_resolution_clock;
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314
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315 // 25.7.8, local time // C++20
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316 struct local_t {};
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317 template<class Duration>
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318 using local_time = time_point<local_t, Duration>;
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319 using local_seconds = local_time<seconds>;
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320 using local_days = local_time<days>;
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321
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322 // 25.7.9, time_point conversions template<class DestClock, class SourceClock> // C++20
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323 struct clock_time_conversion;
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324
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325 template<class DestClock, class SourceClock, class Duration>
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326 auto clock_cast(const time_point<SourceClock, Duration>& t);
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327
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328 // 25.8.2, class last_spec // C++20
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329 struct last_spec;
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330
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331 // 25.8.3, class day // C++20
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332
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333 class day;
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334 constexpr bool operator==(const day& x, const day& y) noexcept;
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335 constexpr bool operator!=(const day& x, const day& y) noexcept;
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336 constexpr bool operator< (const day& x, const day& y) noexcept;
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337 constexpr bool operator> (const day& x, const day& y) noexcept;
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338 constexpr bool operator<=(const day& x, const day& y) noexcept;
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339 constexpr bool operator>=(const day& x, const day& y) noexcept;
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340 constexpr day operator+(const day& x, const days& y) noexcept;
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341 constexpr day operator+(const days& x, const day& y) noexcept;
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342 constexpr day operator-(const day& x, const days& y) noexcept;
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343 constexpr days operator-(const day& x, const day& y) noexcept;
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344
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345 // 25.8.4, class month // C++20
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346 class month;
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347 constexpr bool operator==(const month& x, const month& y) noexcept;
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348 constexpr bool operator!=(const month& x, const month& y) noexcept;
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349 constexpr bool operator< (const month& x, const month& y) noexcept;
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350 constexpr bool operator> (const month& x, const month& y) noexcept;
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351 constexpr bool operator<=(const month& x, const month& y) noexcept;
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352 constexpr bool operator>=(const month& x, const month& y) noexcept;
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353 constexpr month operator+(const month& x, const months& y) noexcept;
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354 constexpr month operator+(const months& x, const month& y) noexcept;
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355 constexpr month operator-(const month& x, const months& y) noexcept;
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356 constexpr months operator-(const month& x, const month& y) noexcept;
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357
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358 // 25.8.5, class year // C++20
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359 class year;
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360 constexpr bool operator==(const year& x, const year& y) noexcept;
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361 constexpr bool operator!=(const year& x, const year& y) noexcept;
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362 constexpr bool operator< (const year& x, const year& y) noexcept;
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363 constexpr bool operator> (const year& x, const year& y) noexcept;
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364 constexpr bool operator<=(const year& x, const year& y) noexcept;
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365 constexpr bool operator>=(const year& x, const year& y) noexcept;
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366 constexpr year operator+(const year& x, const years& y) noexcept;
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367 constexpr year operator+(const years& x, const year& y) noexcept;
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368 constexpr year operator-(const year& x, const years& y) noexcept;
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369 constexpr years operator-(const year& x, const year& y) noexcept;
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370
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371 // 25.8.6, class weekday // C++20
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372 class weekday;
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373
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374 constexpr bool operator==(const weekday& x, const weekday& y) noexcept;
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375 constexpr bool operator!=(const weekday& x, const weekday& y) noexcept;
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376 constexpr weekday operator+(const weekday& x, const days& y) noexcept;
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377 constexpr weekday operator+(const days& x, const weekday& y) noexcept;
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378 constexpr weekday operator-(const weekday& x, const days& y) noexcept;
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379 constexpr days operator-(const weekday& x, const weekday& y) noexcept;
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380
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381 // 25.8.7, class weekday_indexed // C++20
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382
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383 class weekday_indexed;
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384 constexpr bool operator==(const weekday_indexed& x, const weekday_indexed& y) noexcept;
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385 constexpr bool operator!=(const weekday_indexed& x, const weekday_indexed& y) noexcept;
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386
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387 // 25.8.8, class weekday_last // C++20
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388 class weekday_last;
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389
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390 constexpr bool operator==(const weekday_last& x, const weekday_last& y) noexcept;
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391 constexpr bool operator!=(const weekday_last& x, const weekday_last& y) noexcept;
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392
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393 // 25.8.9, class month_day // C++20
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394 class month_day;
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395
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396 constexpr bool operator==(const month_day& x, const month_day& y) noexcept;
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397 constexpr bool operator!=(const month_day& x, const month_day& y) noexcept;
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398 constexpr bool operator< (const month_day& x, const month_day& y) noexcept;
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399 constexpr bool operator> (const month_day& x, const month_day& y) noexcept;
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400 constexpr bool operator<=(const month_day& x, const month_day& y) noexcept;
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401 constexpr bool operator>=(const month_day& x, const month_day& y) noexcept;
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402
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403
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404 // 25.8.10, class month_day_last // C++20
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405 class month_day_last;
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406
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407 constexpr bool operator==(const month_day_last& x, const month_day_last& y) noexcept;
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408 constexpr bool operator!=(const month_day_last& x, const month_day_last& y) noexcept;
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409 constexpr bool operator< (const month_day_last& x, const month_day_last& y) noexcept;
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410 constexpr bool operator> (const month_day_last& x, const month_day_last& y) noexcept;
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411 constexpr bool operator<=(const month_day_last& x, const month_day_last& y) noexcept;
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412 constexpr bool operator>=(const month_day_last& x, const month_day_last& y) noexcept;
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413
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414 // 25.8.11, class month_weekday // C++20
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415 class month_weekday;
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416
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417 constexpr bool operator==(const month_weekday& x, const month_weekday& y) noexcept;
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418 constexpr bool operator!=(const month_weekday& x, const month_weekday& y) noexcept;
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419
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420 // 25.8.12, class month_weekday_last // C++20
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421 class month_weekday_last;
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422
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423 constexpr bool operator==(const month_weekday_last& x, const month_weekday_last& y) noexcept;
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424 constexpr bool operator!=(const month_weekday_last& x, const month_weekday_last& y) noexcept;
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425
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426
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427 // 25.8.13, class year_month // C++20
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428 class year_month;
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429
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430 constexpr bool operator==(const year_month& x, const year_month& y) noexcept;
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431 constexpr bool operator!=(const year_month& x, const year_month& y) noexcept;
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432 constexpr bool operator< (const year_month& x, const year_month& y) noexcept;
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433 constexpr bool operator> (const year_month& x, const year_month& y) noexcept;
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434 constexpr bool operator<=(const year_month& x, const year_month& y) noexcept;
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435 constexpr bool operator>=(const year_month& x, const year_month& y) noexcept;
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436
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437 constexpr year_month operator+(const year_month& ym, const months& dm) noexcept;
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438 constexpr year_month operator+(const months& dm, const year_month& ym) noexcept;
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439 constexpr year_month operator-(const year_month& ym, const months& dm) noexcept;
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440 constexpr months operator-(const year_month& x, const year_month& y) noexcept;
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441 constexpr year_month operator+(const year_month& ym, const years& dy) noexcept;
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442 constexpr year_month operator+(const years& dy, const year_month& ym) noexcept;
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443 constexpr year_month operator-(const year_month& ym, const years& dy) noexcept;
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444
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445 // 25.8.14, class year_month_day class // C++20
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446 year_month_day;
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447
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448 constexpr bool operator==(const year_month_day& x, const year_month_day& y) noexcept;
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449 constexpr bool operator!=(const year_month_day& x, const year_month_day& y) noexcept;
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450 constexpr bool operator< (const year_month_day& x, const year_month_day& y) noexcept;
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451 constexpr bool operator> (const year_month_day& x, const year_month_day& y) noexcept;
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452 constexpr bool operator<=(const year_month_day& x, const year_month_day& y) noexcept;
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453 constexpr bool operator>=(const year_month_day& x, const year_month_day& y) noexcept;
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454
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455 constexpr year_month_day operator+(const year_month_day& ymd, const months& dm) noexcept;
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456 constexpr year_month_day operator+(const months& dm, const year_month_day& ymd) noexcept;
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457 constexpr year_month_day operator+(const year_month_day& ymd, const years& dy) noexcept;
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458 constexpr year_month_day operator+(const years& dy, const year_month_day& ymd) noexcept;
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459 constexpr year_month_day operator-(const year_month_day& ymd, const months& dm) noexcept;
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460 constexpr year_month_day operator-(const year_month_day& ymd, const years& dy) noexcept;
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461
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462
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463 // 25.8.15, class year_month_day_last // C++20
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464 class year_month_day_last;
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465
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466 constexpr bool operator==(const year_month_day_last& x,
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467 const year_month_day_last& y) noexcept;
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468 constexpr bool operator!=(const year_month_day_last& x,
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469 const year_month_day_last& y) noexcept;
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470 constexpr bool operator< (const year_month_day_last& x,
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471 const year_month_day_last& y) noexcept;
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472 constexpr bool operator> (const year_month_day_last& x,
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473 const year_month_day_last& y) noexcept;
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474 constexpr bool operator<=(const year_month_day_last& x,
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475 const year_month_day_last& y) noexcept;
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476 constexpr bool operator>=(const year_month_day_last& x,
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|
477 const year_month_day_last& y) noexcept;
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478
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|
479 constexpr year_month_day_last
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|
480 operator+(const year_month_day_last& ymdl, const months& dm) noexcept;
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|
481 constexpr year_month_day_last
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|
482 operator+(const months& dm, const year_month_day_last& ymdl) noexcept;
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|
483 constexpr year_month_day_last
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|
484 operator+(const year_month_day_last& ymdl, const years& dy) noexcept;
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|
485 constexpr year_month_day_last
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|
486 operator+(const years& dy, const year_month_day_last& ymdl) noexcept;
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|
487 constexpr year_month_day_last
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|
488 operator-(const year_month_day_last& ymdl, const months& dm) noexcept;
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|
489 constexpr year_month_day_last
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|
490 operator-(const year_month_day_last& ymdl, const years& dy) noexcept;
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491
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492 // 25.8.16, class year_month_weekday // C++20
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|
|
493 class year_month_weekday;
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494
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|
495 constexpr bool operator==(const year_month_weekday& x,
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|
496 const year_month_weekday& y) noexcept;
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|
497 constexpr bool operator!=(const year_month_weekday& x,
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|
498 const year_month_weekday& y) noexcept;
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499
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|
500 constexpr year_month_weekday
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|
501 operator+(const year_month_weekday& ymwd, const months& dm) noexcept;
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|
502 constexpr year_month_weekday
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|
503 operator+(const months& dm, const year_month_weekday& ymwd) noexcept;
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|
504 constexpr year_month_weekday
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|
505 operator+(const year_month_weekday& ymwd, const years& dy) noexcept;
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|
506 constexpr year_month_weekday
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|
507 operator+(const years& dy, const year_month_weekday& ymwd) noexcept;
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|
508 constexpr year_month_weekday
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|
509 operator-(const year_month_weekday& ymwd, const months& dm) noexcept;
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|
510 constexpr year_month_weekday
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|
511 operator-(const year_month_weekday& ymwd, const years& dy) noexcept;
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512
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513 // 25.8.17, class year_month_weekday_last // C++20
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|
|
514 class year_month_weekday_last;
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515
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|
516 constexpr bool operator==(const year_month_weekday_last& x,
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|
517 const year_month_weekday_last& y) noexcept;
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|
518 constexpr bool operator!=(const year_month_weekday_last& x,
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519 const year_month_weekday_last& y) noexcept;
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|
520 constexpr year_month_weekday_last
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|
521 operator+(const year_month_weekday_last& ymwdl, const months& dm) noexcept;
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|
522 constexpr year_month_weekday_last
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|
|
523 operator+(const months& dm, const year_month_weekday_last& ymwdl) noexcept;
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|
524 constexpr year_month_weekday_last
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|
|
525 operator+(const year_month_weekday_last& ymwdl, const years& dy) noexcept;
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|
526 constexpr year_month_weekday_last
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|
|
527 operator+(const years& dy, const year_month_weekday_last& ymwdl) noexcept;
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|
528 constexpr year_month_weekday_last
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|
529 operator-(const year_month_weekday_last& ymwdl, const months& dm) noexcept;
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|
530 constexpr year_month_weekday_last
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|
|
531 operator-(const year_month_weekday_last& ymwdl, const years& dy) noexcept;
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532
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|
533 // 25.8.18, civil calendar conventional syntax operators // C++20
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|
|
534 constexpr year_month
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|
|
535 operator/(const year& y, const month& m) noexcept;
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|
|
536 constexpr year_month
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|
|
537 operator/(const year& y, int m) noexcept;
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|
|
538 constexpr month_day
|
|
|
539 operator/(const month& m, const day& d) noexcept;
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|
|
540 constexpr month_day
|
|
|
541 operator/(const month& m, int d) noexcept;
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|
|
542 constexpr month_day
|
|
|
543 operator/(int m, const day& d) noexcept;
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|
|
544 constexpr month_day
|
|
|
545 operator/(const day& d, const month& m) noexcept;
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|
|
546 constexpr month_day
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|
|
547 operator/(const day& d, int m) noexcept;
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|
|
548 constexpr month_day_last
|
|
|
549 operator/(const month& m, last_spec) noexcept;
|
|
|
550 constexpr month_day_last
|
|
|
551 operator/(int m, last_spec) noexcept;
|
|
|
552 constexpr month_day_last
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|
|
553 operator/(last_spec, const month& m) noexcept;
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|
|
554 constexpr month_day_last
|
|
|
555 operator/(last_spec, int m) noexcept;
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|
|
556 constexpr month_weekday
|
|
|
557 operator/(const month& m, const weekday_indexed& wdi) noexcept;
|
|
|
558 constexpr month_weekday
|
|
|
559 operator/(int m, const weekday_indexed& wdi) noexcept;
|
|
|
560 constexpr month_weekday
|
|
|
561 operator/(const weekday_indexed& wdi, const month& m) noexcept;
|
|
|
562 constexpr month_weekday
|
|
|
563 operator/(const weekday_indexed& wdi, int m) noexcept;
|
|
|
564 constexpr month_weekday_last
|
|
|
565 operator/(const month& m, const weekday_last& wdl) noexcept;
|
|
|
566 constexpr month_weekday_last
|
|
|
567 operator/(int m, const weekday_last& wdl) noexcept;
|
|
|
568 constexpr month_weekday_last
|
|
|
569 operator/(const weekday_last& wdl, const month& m) noexcept;
|
|
|
570 constexpr month_weekday_last
|
|
|
571 operator/(const weekday_last& wdl, int m) noexcept;
|
|
|
572 constexpr year_month_day
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|
|
573 operator/(const year_month& ym, const day& d) noexcept;
|
|
|
574 constexpr year_month_day
|
|
|
575 operator/(const year_month& ym, int d) noexcept;
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|
|
576 constexpr year_month_day
|
|
|
577 operator/(const year& y, const month_day& md) noexcept;
|
|
|
578 constexpr year_month_day
|
|
|
579 operator/(int y, const month_day& md) noexcept;
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|
|
580 constexpr year_month_day
|
|
|
581 operator/(const month_day& md, const year& y) noexcept;
|
|
|
582 constexpr year_month_day
|
|
|
583 operator/(const month_day& md, int y) noexcept;
|
|
|
584 constexpr year_month_day_last
|
|
|
585 operator/(const year_month& ym, last_spec) noexcept;
|
|
|
586 constexpr year_month_day_last
|
|
|
587 operator/(const year& y, const month_day_last& mdl) noexcept;
|
|
|
588 constexpr year_month_day_last
|
|
|
589 operator/(int y, const month_day_last& mdl) noexcept;
|
|
|
590 constexpr year_month_day_last
|
|
|
591 operator/(const month_day_last& mdl, const year& y) noexcept;
|
|
|
592 constexpr year_month_day_last
|
|
|
593 operator/(const month_day_last& mdl, int y) noexcept;
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|
|
594 constexpr year_month_weekday
|
|
|
595 operator/(const year_month& ym, const weekday_indexed& wdi) noexcept;
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|
|
596 constexpr year_month_weekday
|
|
|
597 operator/(const year& y, const month_weekday& mwd) noexcept;
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|
|
598 constexpr year_month_weekday
|
|
|
599 operator/(int y, const month_weekday& mwd) noexcept;
|
|
|
600 constexpr year_month_weekday
|
|
|
601 operator/(const month_weekday& mwd, const year& y) noexcept;
|
|
|
602 constexpr year_month_weekday
|
|
|
603 operator/(const month_weekday& mwd, int y) noexcept;
|
|
|
604 constexpr year_month_weekday_last
|
|
|
605 operator/(const year_month& ym, const weekday_last& wdl) noexcept;
|
|
|
606 constexpr year_month_weekday_last
|
|
|
607 operator/(const year& y, const month_weekday_last& mwdl) noexcept;
|
|
|
608 constexpr year_month_weekday_last
|
|
|
609 operator/(int y, const month_weekday_last& mwdl) noexcept;
|
|
|
610 constexpr year_month_weekday_last
|
|
|
611 operator/(const month_weekday_last& mwdl, const year& y) noexcept;
|
|
|
612 constexpr year_month_weekday_last
|
|
|
613 operator/(const month_weekday_last& mwdl, int y) noexcept;
|
|
|
614
|
|
|
615 // 26.9, class template hh_mm_ss
|
|
|
616 template <class Duration>
|
|
|
617 class hh_mm_ss
|
|
|
618 {
|
|
|
619 bool is_neg; // exposition only
|
|
|
620 chrono::hours h; // exposition only
|
|
|
621 chrono::minutes m; // exposition only
|
|
|
622 chrono::seconds s; // exposition only
|
|
|
623 precision ss; // exposition only
|
|
|
624
|
|
|
625 public:
|
|
|
626 static unsigned constexpr fractional_width = see below;
|
|
|
627 using precision = see below;
|
|
|
628
|
|
|
629 constexpr hh_mm_ss() noexcept : hh_mm_ss{Duration::zero()} {}
|
|
|
630 constexpr explicit hh_mm_ss(Duration d) noexcept;
|
|
|
631
|
|
|
632 constexpr bool is_negative() const noexcept;
|
|
|
633 constexpr chrono::hours hours() const noexcept;
|
|
|
634 constexpr chrono::minutes minutes() const noexcept;
|
|
|
635 constexpr chrono::seconds seconds() const noexcept;
|
|
|
636 constexpr precision subseconds() const noexcept;
|
|
|
637
|
|
|
638 constexpr explicit operator precision() const noexcept;
|
|
|
639 constexpr precision to_duration() const noexcept;
|
|
|
640 };
|
|
|
641
|
|
|
642 template <class charT, class traits, class Duration>
|
|
|
643 basic_ostream<charT, traits>&
|
|
|
644 operator<<(basic_ostream<charT, traits>& os, hh_mm_ss<Duration> const& hms);
|
|
|
645
|
|
|
646 // 26.10, 12/24 hour functions
|
|
|
647 constexpr bool is_am(hours const& h) noexcept;
|
|
|
648 constexpr bool is_pm(hours const& h) noexcept;
|
|
|
649 constexpr hours make12(const hours& h) noexcept;
|
|
|
650 constexpr hours make24(const hours& h, bool is_pm) noexcept;
|
|
|
651
|
|
|
652
|
|
|
653 // 25.10.2, time zone database // C++20
|
|
|
654 struct tzdb;
|
|
|
655 class tzdb_list;
|
|
|
656
|
|
|
657 // 25.10.2.3, time zone database access // C++20
|
|
|
658 const tzdb& get_tzdb();
|
|
|
659 tzdb_list& get_tzdb_list();
|
|
|
660 const time_zone* locate_zone(string_view tz_name);
|
|
|
661 const time_zone* current_zone();
|
|
|
662
|
|
|
663 // 25.10.2.4, remote time zone database support // C++20
|
|
|
664 const tzdb& reload_tzdb();
|
|
|
665 string remote_version();
|
|
|
666
|
|
|
667 // 25.10.3, exception classes // C++20
|
|
|
668 class nonexistent_local_time;
|
|
|
669 class ambiguous_local_time;
|
|
|
670
|
|
|
671 // 25.10.4, information classes // C++20
|
|
|
672 struct sys_info;
|
|
|
673 struct local_info;
|
|
|
674
|
|
|
675 // 25.10.5, class time_zone // C++20
|
|
|
676 enum class choose {earliest, latest};
|
|
|
677 class time_zone;
|
|
|
678 bool operator==(const time_zone& x, const time_zone& y) noexcept;
|
|
|
679 bool operator!=(const time_zone& x, const time_zone& y) noexcept;
|
|
|
680 bool operator<(const time_zone& x, const time_zone& y) noexcept;
|
|
|
681 bool operator>(const time_zone& x, const time_zone& y) noexcept;
|
|
|
682 bool operator<=(const time_zone& x, const time_zone& y) noexcept;
|
|
|
683 bool operator>=(const time_zone& x, const time_zone& y) noexcept;
|
|
|
684
|
|
|
685 // 25.10.6, class template zoned_traits // C++20
|
|
|
686 template<class T> struct zoned_traits;
|
|
|
687
|
|
|
688 // 25.10.7, class template zoned_time // C++20
|
|
|
689 template<class Duration, class TimeZonePtr = const time_zone*> class zoned_time;
|
|
|
690 using zoned_seconds = zoned_time<seconds>;
|
|
|
691
|
|
|
692 template<class Duration1, class Duration2, class TimeZonePtr>
|
|
|
693 bool operator==(const zoned_time<Duration1, TimeZonePtr>& x,
|
|
|
694 const zoned_time<Duration2, TimeZonePtr>& y);
|
|
|
695 template<class Duration1, class Duration2, class TimeZonePtr>
|
|
|
696 bool operator!=(const zoned_time<Duration1, TimeZonePtr>& x,
|
|
|
697 const zoned_time<Duration2, TimeZonePtr>& y);
|
|
|
698
|
|
|
699 // 25.10.8, leap second support // C++20
|
|
|
700 class leap;
|
|
|
701
|
|
|
702 bool operator==(const leap& x, const leap& y);
|
|
|
703 bool operator!=(const leap& x, const leap& y);
|
|
|
704 bool operator< (const leap& x, const leap& y);
|
|
|
705 bool operator> (const leap& x, const leap& y);
|
|
|
706 bool operator<=(const leap& x, const leap& y);
|
|
|
707 bool operator>=(const leap& x, const leap& y);
|
|
|
708 template<class Duration>
|
|
|
709 bool operator==(const leap& x, const sys_time<Duration>& y);
|
|
|
710 template<class Duration>
|
|
|
711 bool operator==(const sys_time<Duration>& x, const leap& y);
|
|
|
712 template<class Duration>
|
|
|
713 bool operator!=(const leap& x, const sys_time<Duration>& y);
|
|
|
714 template<class Duration>
|
|
|
715 bool operator!=(const sys_time<Duration>& x, const leap& y);
|
|
|
716 template<class Duration>
|
|
|
717 bool operator< (const leap& x, const sys_time<Duration>& y);
|
|
|
718 template<class Duration>
|
|
|
719 bool operator< (const sys_time<Duration>& x, const leap& y);
|
|
|
720 template<class Duration>
|
|
|
721 bool operator> (const leap& x, const sys_time<Duration>& y);
|
|
|
722 template<class Duration>
|
|
|
723 bool operator> (const sys_time<Duration>& x, const leap& y);
|
|
|
724 template<class Duration>
|
|
|
725 bool operator<=(const leap& x, const sys_time<Duration>& y);
|
|
|
726 template<class Duration>
|
|
|
727 bool operator<=(const sys_time<Duration>& x, const leap& y);
|
|
|
728 template<class Duration>
|
|
|
729 bool operator>=(const leap& x, const sys_time<Duration>& y);
|
|
|
730 template<class Duration>
|
|
|
731 bool operator>=(const sys_time<Duration>& x, const leap& y);
|
|
|
732
|
|
|
733 // 25.10.9, class link // C++20
|
|
|
734 class link;
|
|
|
735 bool operator==(const link& x, const link& y);
|
|
|
736 bool operator!=(const link& x, const link& y);
|
|
|
737 bool operator< (const link& x, const link& y);
|
|
|
738 bool operator> (const link& x, const link& y);
|
|
|
739 bool operator<=(const link& x, const link& y);
|
|
|
740 bool operator>=(const link& x, const link& y);
|
|
|
741
|
|
|
742 // 25.11, formatting // C++20
|
|
|
743 template<class charT, class Streamable>
|
|
|
744 basic_string<charT>
|
|
|
745 format(const charT* fmt, const Streamable& s);
|
|
|
746
|
|
|
747 template<class charT, class Streamable>
|
|
|
748 basic_string<charT>
|
|
|
749 format(const locale& loc, const charT* fmt, const Streamable& s);
|
|
|
750
|
|
|
751 template<class charT, class traits, class Alloc, class Streamable>
|
|
|
752 basic_string<charT, traits, Alloc>
|
|
|
753 format(const basic_string<charT, traits, Alloc>& fmt, const Streamable& s);
|
|
|
754
|
|
|
755 template<class charT, class traits, class Alloc, class Streamable>
|
|
|
756 basic_string<charT, traits, Alloc>
|
|
|
757 format(const locale& loc, const basic_string<charT, traits, Alloc>& fmt,
|
|
|
758 const Streamable& s);
|
|
|
759
|
|
|
760 // 25.12, parsing // C++20
|
|
|
761 template<class charT, class traits, class Alloc, class Parsable>
|
|
|
762 unspecified
|
|
|
763 parse(const basic_string<charT, traits, Alloc>& format, Parsable& tp);
|
|
|
764
|
|
|
765 template<class charT, class traits, class Alloc, class Parsable>
|
|
|
766 unspecified
|
|
|
767 parse(const basic_string<charT, traits, Alloc>& format, Parsable& tp,
|
|
|
768 basic_string<charT, traits, Alloc>& abbrev);
|
|
|
769
|
|
|
770 template<class charT, class traits, class Alloc, class Parsable>
|
|
|
771 unspecified
|
|
|
772 parse(const basic_string<charT, traits, Alloc>& format, Parsable& tp,
|
|
|
773 minutes& offset);
|
|
|
774
|
|
|
775 template<class charT, class traits, class Alloc, class Parsable>
|
|
|
776 unspecified
|
|
|
777 parse(const basic_string<charT, traits, Alloc>& format, Parsable& tp,
|
|
|
778 basic_string<charT, traits, Alloc>& abbrev, minutes& offset);
|
|
|
779
|
|
|
780 // calendrical constants
|
|
|
781 inline constexpr last_spec last{}; // C++20
|
|
|
782 inline constexpr chrono::weekday Sunday{0}; // C++20
|
|
|
783 inline constexpr chrono::weekday Monday{1}; // C++20
|
|
|
784 inline constexpr chrono::weekday Tuesday{2}; // C++20
|
|
|
785 inline constexpr chrono::weekday Wednesday{3}; // C++20
|
|
|
786 inline constexpr chrono::weekday Thursday{4}; // C++20
|
|
|
787 inline constexpr chrono::weekday Friday{5}; // C++20
|
|
|
788 inline constexpr chrono::weekday Saturday{6}; // C++20
|
|
|
789
|
|
|
790 inline constexpr chrono::month January{1}; // C++20
|
|
|
791 inline constexpr chrono::month February{2}; // C++20
|
|
|
792 inline constexpr chrono::month March{3}; // C++20
|
|
|
793 inline constexpr chrono::month April{4}; // C++20
|
|
|
794 inline constexpr chrono::month May{5}; // C++20
|
|
|
795 inline constexpr chrono::month June{6}; // C++20
|
|
|
796 inline constexpr chrono::month July{7}; // C++20
|
|
|
797 inline constexpr chrono::month August{8}; // C++20
|
|
|
798 inline constexpr chrono::month September{9}; // C++20
|
|
|
799 inline constexpr chrono::month October{10}; // C++20
|
|
|
800 inline constexpr chrono::month November{11}; // C++20
|
|
|
801 inline constexpr chrono::month December{12}; // C++20
|
|
|
802 } // chrono
|
|
|
803
|
|
|
804 inline namespace literals {
|
|
|
805 inline namespace chrono_literals {
|
|
|
806 constexpr chrono::hours operator ""h(unsigned long long); // C++14
|
|
|
807 constexpr chrono::duration<unspecified , ratio<3600,1>> operator ""h(long double); // C++14
|
|
|
808 constexpr chrono::minutes operator ""min(unsigned long long); // C++14
|
|
|
809 constexpr chrono::duration<unspecified , ratio<60,1>> operator ""min(long double); // C++14
|
|
|
810 constexpr chrono::seconds operator ""s(unsigned long long); // C++14
|
|
|
811 constexpr chrono::duration<unspecified > operator ""s(long double); // C++14
|
|
|
812 constexpr chrono::milliseconds operator ""ms(unsigned long long); // C++14
|
|
|
813 constexpr chrono::duration<unspecified , milli> operator ""ms(long double); // C++14
|
|
|
814 constexpr chrono::microseconds operator ""us(unsigned long long); // C++14
|
|
|
815 constexpr chrono::duration<unspecified , micro> operator ""us(long double); // C++14
|
|
|
816 constexpr chrono::nanoseconds operator ""ns(unsigned long long); // C++14
|
|
|
817 constexpr chrono::duration<unspecified , nano> operator ""ns(long double); // C++14
|
|
|
818 constexpr chrono::day operator ""d(unsigned long long d) noexcept; // C++20
|
|
|
819 constexpr chrono::year operator ""y(unsigned long long y) noexcept; // C++20
|
|
|
820 } // chrono_literals
|
|
|
821 } // literals
|
|
|
822
|
|
|
823 } // std
|
|
|
824 */
|
|
|
825
|
|
|
826 #include <__config>
|
|
173
|
827 #include <__debug>
|
|
150
|
828 #include <ctime>
|
|
|
829 #include <type_traits>
|
|
|
830 #include <ratio>
|
|
|
831 #include <limits>
|
|
|
832 #include <version>
|
|
|
833
|
|
|
834 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
|
|
|
835 #pragma GCC system_header
|
|
|
836 #endif
|
|
|
837
|
|
|
838 _LIBCPP_PUSH_MACROS
|
|
|
839 #include <__undef_macros>
|
|
|
840
|
|
|
841 #ifndef _LIBCPP_CXX03_LANG
|
|
|
842 _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM
|
|
|
843 struct _FilesystemClock;
|
|
|
844 _LIBCPP_END_NAMESPACE_FILESYSTEM
|
|
|
845 #endif // !_LIBCPP_CXX03_LANG
|
|
|
846
|
|
|
847 _LIBCPP_BEGIN_NAMESPACE_STD
|
|
|
848
|
|
|
849 namespace chrono
|
|
|
850 {
|
|
|
851
|
|
|
852 template <class _Rep, class _Period = ratio<1> > class _LIBCPP_TEMPLATE_VIS duration;
|
|
|
853
|
|
|
854 template <class _Tp>
|
|
|
855 struct __is_duration : false_type {};
|
|
|
856
|
|
|
857 template <class _Rep, class _Period>
|
|
|
858 struct __is_duration<duration<_Rep, _Period> > : true_type {};
|
|
|
859
|
|
|
860 template <class _Rep, class _Period>
|
|
|
861 struct __is_duration<const duration<_Rep, _Period> > : true_type {};
|
|
|
862
|
|
|
863 template <class _Rep, class _Period>
|
|
|
864 struct __is_duration<volatile duration<_Rep, _Period> > : true_type {};
|
|
|
865
|
|
|
866 template <class _Rep, class _Period>
|
|
|
867 struct __is_duration<const volatile duration<_Rep, _Period> > : true_type {};
|
|
|
868
|
|
|
869 } // chrono
|
|
|
870
|
|
|
871 template <class _Rep1, class _Period1, class _Rep2, class _Period2>
|
|
|
872 struct _LIBCPP_TEMPLATE_VIS common_type<chrono::duration<_Rep1, _Period1>,
|
|
|
873 chrono::duration<_Rep2, _Period2> >
|
|
|
874 {
|
|
|
875 typedef chrono::duration<typename common_type<_Rep1, _Rep2>::type,
|
|
|
876 typename __ratio_gcd<_Period1, _Period2>::type> type;
|
|
|
877 };
|
|
|
878
|
|
|
879 namespace chrono {
|
|
|
880
|
|
|
881 // duration_cast
|
|
|
882
|
|
|
883 template <class _FromDuration, class _ToDuration,
|
|
|
884 class _Period = typename ratio_divide<typename _FromDuration::period, typename _ToDuration::period>::type,
|
|
|
885 bool = _Period::num == 1,
|
|
|
886 bool = _Period::den == 1>
|
|
|
887 struct __duration_cast;
|
|
|
888
|
|
|
889 template <class _FromDuration, class _ToDuration, class _Period>
|
|
|
890 struct __duration_cast<_FromDuration, _ToDuration, _Period, true, true>
|
|
|
891 {
|
|
|
892 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
|
|
|
893 _ToDuration operator()(const _FromDuration& __fd) const
|
|
|
894 {
|
|
|
895 return _ToDuration(static_cast<typename _ToDuration::rep>(__fd.count()));
|
|
|
896 }
|
|
|
897 };
|
|
|
898
|
|
|
899 template <class _FromDuration, class _ToDuration, class _Period>
|
|
|
900 struct __duration_cast<_FromDuration, _ToDuration, _Period, true, false>
|
|
|
901 {
|
|
|
902 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
|
|
|
903 _ToDuration operator()(const _FromDuration& __fd) const
|
|
|
904 {
|
|
|
905 typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct;
|
|
|
906 return _ToDuration(static_cast<typename _ToDuration::rep>(
|
|
|
907 static_cast<_Ct>(__fd.count()) / static_cast<_Ct>(_Period::den)));
|
|
|
908 }
|
|
|
909 };
|
|
|
910
|
|
|
911 template <class _FromDuration, class _ToDuration, class _Period>
|
|
|
912 struct __duration_cast<_FromDuration, _ToDuration, _Period, false, true>
|
|
|
913 {
|
|
|
914 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
|
|
|
915 _ToDuration operator()(const _FromDuration& __fd) const
|
|
|
916 {
|
|
|
917 typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct;
|
|
|
918 return _ToDuration(static_cast<typename _ToDuration::rep>(
|
|
|
919 static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num)));
|
|
|
920 }
|
|
|
921 };
|
|
|
922
|
|
|
923 template <class _FromDuration, class _ToDuration, class _Period>
|
|
|
924 struct __duration_cast<_FromDuration, _ToDuration, _Period, false, false>
|
|
|
925 {
|
|
|
926 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
|
|
|
927 _ToDuration operator()(const _FromDuration& __fd) const
|
|
|
928 {
|
|
|
929 typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct;
|
|
|
930 return _ToDuration(static_cast<typename _ToDuration::rep>(
|
|
|
931 static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num)
|
|
|
932 / static_cast<_Ct>(_Period::den)));
|
|
|
933 }
|
|
|
934 };
|
|
|
935
|
|
|
936 template <class _ToDuration, class _Rep, class _Period>
|
|
|
937 inline _LIBCPP_INLINE_VISIBILITY
|
|
|
938 _LIBCPP_CONSTEXPR
|
|
|
939 typename enable_if
|
|
|
940 <
|
|
|
941 __is_duration<_ToDuration>::value,
|
|
|
942 _ToDuration
|
|
|
943 >::type
|
|
|
944 duration_cast(const duration<_Rep, _Period>& __fd)
|
|
|
945 {
|
|
|
946 return __duration_cast<duration<_Rep, _Period>, _ToDuration>()(__fd);
|
|
|
947 }
|
|
|
948
|
|
|
949 template <class _Rep>
|
|
|
950 struct _LIBCPP_TEMPLATE_VIS treat_as_floating_point : is_floating_point<_Rep> {};
|
|
|
951
|
|
|
952 #if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_VARIABLE_TEMPLATES)
|
|
|
953 template <class _Rep>
|
|
|
954 _LIBCPP_INLINE_VAR _LIBCPP_CONSTEXPR bool treat_as_floating_point_v
|
|
|
955 = treat_as_floating_point<_Rep>::value;
|
|
|
956 #endif
|
|
|
957
|
|
|
958 template <class _Rep>
|
|
|
959 struct _LIBCPP_TEMPLATE_VIS duration_values
|
|
|
960 {
|
|
|
961 public:
|
|
|
962 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep zero() _NOEXCEPT {return _Rep(0);}
|
|
|
963 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep max() _NOEXCEPT {return numeric_limits<_Rep>::max();}
|
|
|
964 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep min() _NOEXCEPT {return numeric_limits<_Rep>::lowest();}
|
|
|
965 };
|
|
|
966
|
|
|
967 #if _LIBCPP_STD_VER > 14
|
|
|
968 template <class _ToDuration, class _Rep, class _Period>
|
|
|
969 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
|
|
|
970 typename enable_if
|
|
|
971 <
|
|
|
972 __is_duration<_ToDuration>::value,
|
|
|
973 _ToDuration
|
|
|
974 >::type
|
|
|
975 floor(const duration<_Rep, _Period>& __d)
|
|
|
976 {
|
|
|
977 _ToDuration __t = duration_cast<_ToDuration>(__d);
|
|
|
978 if (__t > __d)
|
|
|
979 __t = __t - _ToDuration{1};
|
|
|
980 return __t;
|
|
|
981 }
|
|
|
982
|
|
|
983 template <class _ToDuration, class _Rep, class _Period>
|
|
|
984 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
|
|
|
985 typename enable_if
|
|
|
986 <
|
|
|
987 __is_duration<_ToDuration>::value,
|
|
|
988 _ToDuration
|
|
|
989 >::type
|
|
|
990 ceil(const duration<_Rep, _Period>& __d)
|
|
|
991 {
|
|
|
992 _ToDuration __t = duration_cast<_ToDuration>(__d);
|
|
|
993 if (__t < __d)
|
|
|
994 __t = __t + _ToDuration{1};
|
|
|
995 return __t;
|
|
|
996 }
|
|
|
997
|
|
|
998 template <class _ToDuration, class _Rep, class _Period>
|
|
|
999 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
|
|
|
1000 typename enable_if
|
|
|
1001 <
|
|
|
1002 __is_duration<_ToDuration>::value,
|
|
|
1003 _ToDuration
|
|
|
1004 >::type
|
|
|
1005 round(const duration<_Rep, _Period>& __d)
|
|
|
1006 {
|
|
|
1007 _ToDuration __lower = floor<_ToDuration>(__d);
|
|
|
1008 _ToDuration __upper = __lower + _ToDuration{1};
|
|
|
1009 auto __lowerDiff = __d - __lower;
|
|
|
1010 auto __upperDiff = __upper - __d;
|
|
|
1011 if (__lowerDiff < __upperDiff)
|
|
|
1012 return __lower;
|
|
|
1013 if (__lowerDiff > __upperDiff)
|
|
|
1014 return __upper;
|
|
|
1015 return __lower.count() & 1 ? __upper : __lower;
|
|
|
1016 }
|
|
|
1017 #endif
|
|
|
1018
|
|
|
1019 // duration
|
|
|
1020
|
|
|
1021 template <class _Rep, class _Period>
|
|
|
1022 class _LIBCPP_TEMPLATE_VIS duration
|
|
|
1023 {
|
|
|
1024 static_assert(!__is_duration<_Rep>::value, "A duration representation can not be a duration");
|
|
|
1025 static_assert(__is_ratio<_Period>::value, "Second template parameter of duration must be a std::ratio");
|
|
|
1026 static_assert(_Period::num > 0, "duration period must be positive");
|
|
|
1027
|
|
|
1028 template <class _R1, class _R2>
|
|
|
1029 struct __no_overflow
|
|
|
1030 {
|
|
|
1031 private:
|
|
|
1032 static const intmax_t __gcd_n1_n2 = __static_gcd<_R1::num, _R2::num>::value;
|
|
|
1033 static const intmax_t __gcd_d1_d2 = __static_gcd<_R1::den, _R2::den>::value;
|
|
|
1034 static const intmax_t __n1 = _R1::num / __gcd_n1_n2;
|
|
|
1035 static const intmax_t __d1 = _R1::den / __gcd_d1_d2;
|
|
|
1036 static const intmax_t __n2 = _R2::num / __gcd_n1_n2;
|
|
|
1037 static const intmax_t __d2 = _R2::den / __gcd_d1_d2;
|
|
|
1038 static const intmax_t max = -((intmax_t(1) << (sizeof(intmax_t) * CHAR_BIT - 1)) + 1);
|
|
|
1039
|
|
|
1040 template <intmax_t _Xp, intmax_t _Yp, bool __overflow>
|
|
|
1041 struct __mul // __overflow == false
|
|
|
1042 {
|
|
|
1043 static const intmax_t value = _Xp * _Yp;
|
|
|
1044 };
|
|
|
1045
|
|
|
1046 template <intmax_t _Xp, intmax_t _Yp>
|
|
|
1047 struct __mul<_Xp, _Yp, true>
|
|
|
1048 {
|
|
|
1049 static const intmax_t value = 1;
|
|
|
1050 };
|
|
|
1051
|
|
|
1052 public:
|
|
|
1053 static const bool value = (__n1 <= max / __d2) && (__n2 <= max / __d1);
|
|
|
1054 typedef ratio<__mul<__n1, __d2, !value>::value,
|
|
|
1055 __mul<__n2, __d1, !value>::value> type;
|
|
|
1056 };
|
|
|
1057
|
|
|
1058 public:
|
|
|
1059 typedef _Rep rep;
|
|
|
1060 typedef typename _Period::type period;
|
|
|
1061 private:
|
|
|
1062 rep __rep_;
|
|
|
1063 public:
|
|
|
1064
|
|
|
1065 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
|
|
|
1066 #ifndef _LIBCPP_CXX03_LANG
|
|
|
1067 duration() = default;
|
|
|
1068 #else
|
|
|
1069 duration() {}
|
|
|
1070 #endif
|
|
|
1071
|
|
|
1072 template <class _Rep2>
|
|
|
1073 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
|
|
|
1074 explicit duration(const _Rep2& __r,
|
|
|
1075 typename enable_if
|
|
|
1076 <
|
|
|
1077 is_convertible<_Rep2, rep>::value &&
|
|
|
1078 (treat_as_floating_point<rep>::value ||
|
|
|
1079 !treat_as_floating_point<_Rep2>::value)
|
|
|
1080 >::type* = 0)
|
|
|
1081 : __rep_(__r) {}
|
|
|
1082
|
|
|
1083 // conversions
|
|
|
1084 template <class _Rep2, class _Period2>
|
|
|
1085 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
|
|
|
1086 duration(const duration<_Rep2, _Period2>& __d,
|
|
|
1087 typename enable_if
|
|
|
1088 <
|
|
|
1089 __no_overflow<_Period2, period>::value && (
|
|
|
1090 treat_as_floating_point<rep>::value ||
|
|
|
1091 (__no_overflow<_Period2, period>::type::den == 1 &&
|
|
|
1092 !treat_as_floating_point<_Rep2>::value))
|
|
|
1093 >::type* = 0)
|
|
|
1094 : __rep_(_VSTD::chrono::duration_cast<duration>(__d).count()) {}
|
|
|
1095
|
|
|
1096 // observer
|
|
|
1097
|
|
|
1098 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR rep count() const {return __rep_;}
|
|
|
1099
|
|
|
1100 // arithmetic
|
|
|
1101
|
|
|
1102 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename common_type<duration>::type operator+() const {return typename common_type<duration>::type(*this);}
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|
|
1103 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename common_type<duration>::type operator-() const {return typename common_type<duration>::type(-__rep_);}
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|
|
1104 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator++() {++__rep_; return *this;}
|
|
|
1105 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration operator++(int) {return duration(__rep_++);}
|
|
|
1106 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator--() {--__rep_; return *this;}
|
|
|
1107 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration operator--(int) {return duration(__rep_--);}
|
|
|
1108
|
|
|
1109 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator+=(const duration& __d) {__rep_ += __d.count(); return *this;}
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|
|
1110 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator-=(const duration& __d) {__rep_ -= __d.count(); return *this;}
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|
|
1111
|
|
|
1112 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator*=(const rep& rhs) {__rep_ *= rhs; return *this;}
|
|
|
1113 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator/=(const rep& rhs) {__rep_ /= rhs; return *this;}
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|
|
1114 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator%=(const rep& rhs) {__rep_ %= rhs; return *this;}
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|
|
1115 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 duration& operator%=(const duration& rhs) {__rep_ %= rhs.count(); return *this;}
|
|
|
1116
|
|
|
1117 // special values
|
|
|
1118
|
|
|
1119 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration zero() _NOEXCEPT {return duration(duration_values<rep>::zero());}
|
|
|
1120 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration min() _NOEXCEPT {return duration(duration_values<rep>::min());}
|
|
|
1121 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration max() _NOEXCEPT {return duration(duration_values<rep>::max());}
|
|
|
1122 };
|
|
|
1123
|
|
|
1124 typedef duration<long long, nano> nanoseconds;
|
|
|
1125 typedef duration<long long, micro> microseconds;
|
|
|
1126 typedef duration<long long, milli> milliseconds;
|
|
|
1127 typedef duration<long long > seconds;
|
|
|
1128 typedef duration< long, ratio< 60> > minutes;
|
|
|
1129 typedef duration< long, ratio<3600> > hours;
|
|
|
1130 #if _LIBCPP_STD_VER > 17
|
|
|
1131 typedef duration< int, ratio_multiply<ratio<24>, hours::period>> days;
|
|
|
1132 typedef duration< int, ratio_multiply<ratio<7>, days::period>> weeks;
|
|
|
1133 typedef duration< int, ratio_multiply<ratio<146097, 400>, days::period>> years;
|
|
|
1134 typedef duration< int, ratio_divide<years::period, ratio<12>>> months;
|
|
|
1135 #endif
|
|
|
1136 // Duration ==
|
|
|
1137
|
|
|
1138 template <class _LhsDuration, class _RhsDuration>
|
|
|
1139 struct __duration_eq
|
|
|
1140 {
|
|
|
1141 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
|
|
|
1142 bool operator()(const _LhsDuration& __lhs, const _RhsDuration& __rhs) const
|
|
|
1143 {
|
|
|
1144 typedef typename common_type<_LhsDuration, _RhsDuration>::type _Ct;
|
|
|
1145 return _Ct(__lhs).count() == _Ct(__rhs).count();
|
|
|
1146 }
|
|
|
1147 };
|
|
|
1148
|
|
|
1149 template <class _LhsDuration>
|
|
|
1150 struct __duration_eq<_LhsDuration, _LhsDuration>
|
|
|
1151 {
|
|
|
1152 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
|
|
|
1153 bool operator()(const _LhsDuration& __lhs, const _LhsDuration& __rhs) const
|
|
|
1154 {return __lhs.count() == __rhs.count();}
|
|
|
1155 };
|
|
|
1156
|
|
|
1157 template <class _Rep1, class _Period1, class _Rep2, class _Period2>
|
|
|
1158 inline _LIBCPP_INLINE_VISIBILITY
|
|
|
1159 _LIBCPP_CONSTEXPR
|
|
|
1160 bool
|
|
|
1161 operator==(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
|
|
|
1162 {
|
|
|
1163 return __duration_eq<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >()(__lhs, __rhs);
|
|
|
1164 }
|
|
|
1165
|
|
|
1166 // Duration !=
|
|
|
1167
|
|
|
1168 template <class _Rep1, class _Period1, class _Rep2, class _Period2>
|
|
|
1169 inline _LIBCPP_INLINE_VISIBILITY
|
|
|
1170 _LIBCPP_CONSTEXPR
|
|
|
1171 bool
|
|
|
1172 operator!=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
|
|
|
1173 {
|
|
|
1174 return !(__lhs == __rhs);
|
|
|
1175 }
|
|
|
1176
|
|
|
1177 // Duration <
|
|
|
1178
|
|
|
1179 template <class _LhsDuration, class _RhsDuration>
|
|
|
1180 struct __duration_lt
|
|
|
1181 {
|
|
|
1182 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
|
|
|
1183 bool operator()(const _LhsDuration& __lhs, const _RhsDuration& __rhs) const
|
|
|
1184 {
|
|
|
1185 typedef typename common_type<_LhsDuration, _RhsDuration>::type _Ct;
|
|
|
1186 return _Ct(__lhs).count() < _Ct(__rhs).count();
|
|
|
1187 }
|
|
|
1188 };
|
|
|
1189
|
|
|
1190 template <class _LhsDuration>
|
|
|
1191 struct __duration_lt<_LhsDuration, _LhsDuration>
|
|
|
1192 {
|
|
|
1193 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
|
|
|
1194 bool operator()(const _LhsDuration& __lhs, const _LhsDuration& __rhs) const
|
|
|
1195 {return __lhs.count() < __rhs.count();}
|
|
|
1196 };
|
|
|
1197
|
|
|
1198 template <class _Rep1, class _Period1, class _Rep2, class _Period2>
|
|
|
1199 inline _LIBCPP_INLINE_VISIBILITY
|
|
|
1200 _LIBCPP_CONSTEXPR
|
|
|
1201 bool
|
|
|
1202 operator< (const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
|
|
|
1203 {
|
|
|
1204 return __duration_lt<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >()(__lhs, __rhs);
|
|
|
1205 }
|
|
|
1206
|
|
|
1207 // Duration >
|
|
|
1208
|
|
|
1209 template <class _Rep1, class _Period1, class _Rep2, class _Period2>
|
|
|
1210 inline _LIBCPP_INLINE_VISIBILITY
|
|
|
1211 _LIBCPP_CONSTEXPR
|
|
|
1212 bool
|
|
|
1213 operator> (const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
|
|
|
1214 {
|
|
|
1215 return __rhs < __lhs;
|
|
|
1216 }
|
|
|
1217
|
|
|
1218 // Duration <=
|
|
|
1219
|
|
|
1220 template <class _Rep1, class _Period1, class _Rep2, class _Period2>
|
|
|
1221 inline _LIBCPP_INLINE_VISIBILITY
|
|
|
1222 _LIBCPP_CONSTEXPR
|
|
|
1223 bool
|
|
|
1224 operator<=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
|
|
|
1225 {
|
|
|
1226 return !(__rhs < __lhs);
|
|
|
1227 }
|
|
|
1228
|
|
|
1229 // Duration >=
|
|
|
1230
|
|
|
1231 template <class _Rep1, class _Period1, class _Rep2, class _Period2>
|
|
|
1232 inline _LIBCPP_INLINE_VISIBILITY
|
|
|
1233 _LIBCPP_CONSTEXPR
|
|
|
1234 bool
|
|
|
1235 operator>=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
|
|
|
1236 {
|
|
|
1237 return !(__lhs < __rhs);
|
|
|
1238 }
|
|
|
1239
|
|
|
1240 // Duration +
|
|
|
1241
|
|
|
1242 template <class _Rep1, class _Period1, class _Rep2, class _Period2>
|
|
|
1243 inline _LIBCPP_INLINE_VISIBILITY
|
|
|
1244 _LIBCPP_CONSTEXPR
|
|
|
1245 typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type
|
|
|
1246 operator+(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
|
|
|
1247 {
|
|
|
1248 typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Cd;
|
|
|
1249 return _Cd(_Cd(__lhs).count() + _Cd(__rhs).count());
|
|
|
1250 }
|
|
|
1251
|
|
|
1252 // Duration -
|
|
|
1253
|
|
|
1254 template <class _Rep1, class _Period1, class _Rep2, class _Period2>
|
|
|
1255 inline _LIBCPP_INLINE_VISIBILITY
|
|
|
1256 _LIBCPP_CONSTEXPR
|
|
|
1257 typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type
|
|
|
1258 operator-(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
|
|
|
1259 {
|
|
|
1260 typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Cd;
|
|
|
1261 return _Cd(_Cd(__lhs).count() - _Cd(__rhs).count());
|
|
|
1262 }
|
|
|
1263
|
|
|
1264 // Duration *
|
|
|
1265
|
|
|
1266 template <class _Rep1, class _Period, class _Rep2>
|
|
|
1267 inline _LIBCPP_INLINE_VISIBILITY
|
|
|
1268 _LIBCPP_CONSTEXPR
|
|
|
1269 typename enable_if
|
|
|
1270 <
|
|
|
1271 is_convertible<_Rep2, typename common_type<_Rep1, _Rep2>::type>::value,
|
|
|
1272 duration<typename common_type<_Rep1, _Rep2>::type, _Period>
|
|
|
1273 >::type
|
|
|
1274 operator*(const duration<_Rep1, _Period>& __d, const _Rep2& __s)
|
|
|
1275 {
|
|
|
1276 typedef typename common_type<_Rep1, _Rep2>::type _Cr;
|
|
|
1277 typedef duration<_Cr, _Period> _Cd;
|
|
|
1278 return _Cd(_Cd(__d).count() * static_cast<_Cr>(__s));
|
|
|
1279 }
|
|
|
1280
|
|
|
1281 template <class _Rep1, class _Period, class _Rep2>
|
|
|
1282 inline _LIBCPP_INLINE_VISIBILITY
|
|
|
1283 _LIBCPP_CONSTEXPR
|
|
|
1284 typename enable_if
|
|
|
1285 <
|
|
|
1286 is_convertible<_Rep1, typename common_type<_Rep1, _Rep2>::type>::value,
|
|
|
1287 duration<typename common_type<_Rep1, _Rep2>::type, _Period>
|
|
|
1288 >::type
|
|
|
1289 operator*(const _Rep1& __s, const duration<_Rep2, _Period>& __d)
|
|
|
1290 {
|
|
|
1291 return __d * __s;
|
|
|
1292 }
|
|
|
1293
|
|
|
1294 // Duration /
|
|
|
1295
|
|
|
1296 template <class _Rep1, class _Period, class _Rep2>
|
|
|
1297 inline _LIBCPP_INLINE_VISIBILITY
|
|
|
1298 _LIBCPP_CONSTEXPR
|
|
|
1299 typename enable_if
|
|
|
1300 <
|
|
|
1301 !__is_duration<_Rep2>::value &&
|
|
|
1302 is_convertible<_Rep2, typename common_type<_Rep1, _Rep2>::type>::value,
|
|
|
1303 duration<typename common_type<_Rep1, _Rep2>::type, _Period>
|
|
|
1304 >::type
|
|
|
1305 operator/(const duration<_Rep1, _Period>& __d, const _Rep2& __s)
|
|
|
1306 {
|
|
|
1307 typedef typename common_type<_Rep1, _Rep2>::type _Cr;
|
|
|
1308 typedef duration<_Cr, _Period> _Cd;
|
|
|
1309 return _Cd(_Cd(__d).count() / static_cast<_Cr>(__s));
|
|
|
1310 }
|
|
|
1311
|
|
|
1312 template <class _Rep1, class _Period1, class _Rep2, class _Period2>
|
|
|
1313 inline _LIBCPP_INLINE_VISIBILITY
|
|
|
1314 _LIBCPP_CONSTEXPR
|
|
|
1315 typename common_type<_Rep1, _Rep2>::type
|
|
|
1316 operator/(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
|
|
|
1317 {
|
|
|
1318 typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Ct;
|
|
|
1319 return _Ct(__lhs).count() / _Ct(__rhs).count();
|
|
|
1320 }
|
|
|
1321
|
|
|
1322 // Duration %
|
|
|
1323
|
|
|
1324 template <class _Rep1, class _Period, class _Rep2>
|
|
|
1325 inline _LIBCPP_INLINE_VISIBILITY
|
|
|
1326 _LIBCPP_CONSTEXPR
|
|
|
1327 typename enable_if
|
|
|
1328 <
|
|
|
1329 !__is_duration<_Rep2>::value &&
|
|
|
1330 is_convertible<_Rep2, typename common_type<_Rep1, _Rep2>::type>::value,
|
|
|
1331 duration<typename common_type<_Rep1, _Rep2>::type, _Period>
|
|
|
1332 >::type
|
|
|
1333 operator%(const duration<_Rep1, _Period>& __d, const _Rep2& __s)
|
|
|
1334 {
|
|
|
1335 typedef typename common_type<_Rep1, _Rep2>::type _Cr;
|
|
|
1336 typedef duration<_Cr, _Period> _Cd;
|
|
|
1337 return _Cd(_Cd(__d).count() % static_cast<_Cr>(__s));
|
|
|
1338 }
|
|
|
1339
|
|
|
1340 template <class _Rep1, class _Period1, class _Rep2, class _Period2>
|
|
|
1341 inline _LIBCPP_INLINE_VISIBILITY
|
|
|
1342 _LIBCPP_CONSTEXPR
|
|
|
1343 typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type
|
|
|
1344 operator%(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
|
|
|
1345 {
|
|
|
1346 typedef typename common_type<_Rep1, _Rep2>::type _Cr;
|
|
|
1347 typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Cd;
|
|
|
1348 return _Cd(static_cast<_Cr>(_Cd(__lhs).count()) % static_cast<_Cr>(_Cd(__rhs).count()));
|
|
|
1349 }
|
|
|
1350
|
|
|
1351 //////////////////////////////////////////////////////////
|
|
|
1352 ///////////////////// time_point /////////////////////////
|
|
|
1353 //////////////////////////////////////////////////////////
|
|
|
1354
|
|
|
1355 template <class _Clock, class _Duration = typename _Clock::duration>
|
|
|
1356 class _LIBCPP_TEMPLATE_VIS time_point
|
|
|
1357 {
|
|
|
1358 static_assert(__is_duration<_Duration>::value,
|
|
|
1359 "Second template parameter of time_point must be a std::chrono::duration");
|
|
|
1360 public:
|
|
|
1361 typedef _Clock clock;
|
|
|
1362 typedef _Duration duration;
|
|
|
1363 typedef typename duration::rep rep;
|
|
|
1364 typedef typename duration::period period;
|
|
|
1365 private:
|
|
|
1366 duration __d_;
|
|
|
1367
|
|
|
1368 public:
|
|
|
1369 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 time_point() : __d_(duration::zero()) {}
|
|
|
1370 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 explicit time_point(const duration& __d) : __d_(__d) {}
|
|
|
1371
|
|
|
1372 // conversions
|
|
|
1373 template <class _Duration2>
|
|
|
1374 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
|
|
|
1375 time_point(const time_point<clock, _Duration2>& t,
|
|
|
1376 typename enable_if
|
|
|
1377 <
|
|
|
1378 is_convertible<_Duration2, duration>::value
|
|
|
1379 >::type* = 0)
|
|
|
1380 : __d_(t.time_since_epoch()) {}
|
|
|
1381
|
|
|
1382 // observer
|
|
|
1383
|
|
|
1384 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 duration time_since_epoch() const {return __d_;}
|
|
|
1385
|
|
|
1386 // arithmetic
|
|
|
1387
|
|
|
1388 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 time_point& operator+=(const duration& __d) {__d_ += __d; return *this;}
|
|
|
1389 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 time_point& operator-=(const duration& __d) {__d_ -= __d; return *this;}
|
|
|
1390
|
|
|
1391 // special values
|
|
|
1392
|
|
|
1393 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR time_point min() _NOEXCEPT {return time_point(duration::min());}
|
|
|
1394 _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR time_point max() _NOEXCEPT {return time_point(duration::max());}
|
|
|
1395 };
|
|
|
1396
|
|
|
1397 } // chrono
|
|
|
1398
|
|
|
1399 template <class _Clock, class _Duration1, class _Duration2>
|
|
|
1400 struct _LIBCPP_TEMPLATE_VIS common_type<chrono::time_point<_Clock, _Duration1>,
|
|
|
1401 chrono::time_point<_Clock, _Duration2> >
|
|
|
1402 {
|
|
|
1403 typedef chrono::time_point<_Clock, typename common_type<_Duration1, _Duration2>::type> type;
|
|
|
1404 };
|
|
|
1405
|
|
|
1406 namespace chrono {
|
|
|
1407
|
|
|
1408 template <class _ToDuration, class _Clock, class _Duration>
|
|
|
1409 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
|
|
|
1410 time_point<_Clock, _ToDuration>
|
|
|
1411 time_point_cast(const time_point<_Clock, _Duration>& __t)
|
|
|
1412 {
|
|
|
1413 return time_point<_Clock, _ToDuration>(_VSTD::chrono::duration_cast<_ToDuration>(__t.time_since_epoch()));
|
|
|
1414 }
|
|
|
1415
|
|
|
1416 #if _LIBCPP_STD_VER > 14
|
|
|
1417 template <class _ToDuration, class _Clock, class _Duration>
|
|
|
1418 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
|
|
|
1419 typename enable_if
|
|
|
1420 <
|
|
|
1421 __is_duration<_ToDuration>::value,
|
|
|
1422 time_point<_Clock, _ToDuration>
|
|
|
1423 >::type
|
|
|
1424 floor(const time_point<_Clock, _Duration>& __t)
|
|
|
1425 {
|
|
|
1426 return time_point<_Clock, _ToDuration>{floor<_ToDuration>(__t.time_since_epoch())};
|
|
|
1427 }
|
|
|
1428
|
|
|
1429 template <class _ToDuration, class _Clock, class _Duration>
|
|
|
1430 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
|
|
|
1431 typename enable_if
|
|
|
1432 <
|
|
|
1433 __is_duration<_ToDuration>::value,
|
|
|
1434 time_point<_Clock, _ToDuration>
|
|
|
1435 >::type
|
|
|
1436 ceil(const time_point<_Clock, _Duration>& __t)
|
|
|
1437 {
|
|
|
1438 return time_point<_Clock, _ToDuration>{ceil<_ToDuration>(__t.time_since_epoch())};
|
|
|
1439 }
|
|
|
1440
|
|
|
1441 template <class _ToDuration, class _Clock, class _Duration>
|
|
|
1442 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
|
|
|
1443 typename enable_if
|
|
|
1444 <
|
|
|
1445 __is_duration<_ToDuration>::value,
|
|
|
1446 time_point<_Clock, _ToDuration>
|
|
|
1447 >::type
|
|
|
1448 round(const time_point<_Clock, _Duration>& __t)
|
|
|
1449 {
|
|
|
1450 return time_point<_Clock, _ToDuration>{round<_ToDuration>(__t.time_since_epoch())};
|
|
|
1451 }
|
|
|
1452
|
|
|
1453 template <class _Rep, class _Period>
|
|
|
1454 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
|
|
|
1455 typename enable_if
|
|
|
1456 <
|
|
|
1457 numeric_limits<_Rep>::is_signed,
|
|
|
1458 duration<_Rep, _Period>
|
|
|
1459 >::type
|
|
|
1460 abs(duration<_Rep, _Period> __d)
|
|
|
1461 {
|
|
|
1462 return __d >= __d.zero() ? +__d : -__d;
|
|
|
1463 }
|
|
|
1464 #endif
|
|
|
1465
|
|
|
1466 // time_point ==
|
|
|
1467
|
|
|
1468 template <class _Clock, class _Duration1, class _Duration2>
|
|
|
1469 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
|
|
|
1470 bool
|
|
|
1471 operator==(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
|
|
|
1472 {
|
|
|
1473 return __lhs.time_since_epoch() == __rhs.time_since_epoch();
|
|
|
1474 }
|
|
|
1475
|
|
|
1476 // time_point !=
|
|
|
1477
|
|
|
1478 template <class _Clock, class _Duration1, class _Duration2>
|
|
|
1479 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
|
|
|
1480 bool
|
|
|
1481 operator!=(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
|
|
|
1482 {
|
|
|
1483 return !(__lhs == __rhs);
|
|
|
1484 }
|
|
|
1485
|
|
|
1486 // time_point <
|
|
|
1487
|
|
|
1488 template <class _Clock, class _Duration1, class _Duration2>
|
|
|
1489 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
|
|
|
1490 bool
|
|
|
1491 operator<(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
|
|
|
1492 {
|
|
|
1493 return __lhs.time_since_epoch() < __rhs.time_since_epoch();
|
|
|
1494 }
|
|
|
1495
|
|
|
1496 // time_point >
|
|
|
1497
|
|
|
1498 template <class _Clock, class _Duration1, class _Duration2>
|
|
|
1499 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
|
|
|
1500 bool
|
|
|
1501 operator>(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
|
|
|
1502 {
|
|
|
1503 return __rhs < __lhs;
|
|
|
1504 }
|
|
|
1505
|
|
|
1506 // time_point <=
|
|
|
1507
|
|
|
1508 template <class _Clock, class _Duration1, class _Duration2>
|
|
|
1509 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
|
|
|
1510 bool
|
|
|
1511 operator<=(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
|
|
|
1512 {
|
|
|
1513 return !(__rhs < __lhs);
|
|
|
1514 }
|
|
|
1515
|
|
|
1516 // time_point >=
|
|
|
1517
|
|
|
1518 template <class _Clock, class _Duration1, class _Duration2>
|
|
|
1519 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
|
|
|
1520 bool
|
|
|
1521 operator>=(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
|
|
|
1522 {
|
|
|
1523 return !(__lhs < __rhs);
|
|
|
1524 }
|
|
|
1525
|
|
|
1526 // time_point operator+(time_point x, duration y);
|
|
|
1527
|
|
|
1528 template <class _Clock, class _Duration1, class _Rep2, class _Period2>
|
|
|
1529 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
|
|
|
1530 time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type>
|
|
|
1531 operator+(const time_point<_Clock, _Duration1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
|
|
|
1532 {
|
|
|
1533 typedef time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type> _Tr;
|
|
|
1534 return _Tr (__lhs.time_since_epoch() + __rhs);
|
|
|
1535 }
|
|
|
1536
|
|
|
1537 // time_point operator+(duration x, time_point y);
|
|
|
1538
|
|
|
1539 template <class _Rep1, class _Period1, class _Clock, class _Duration2>
|
|
|
1540 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
|
|
|
1541 time_point<_Clock, typename common_type<duration<_Rep1, _Period1>, _Duration2>::type>
|
|
|
1542 operator+(const duration<_Rep1, _Period1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
|
|
|
1543 {
|
|
|
1544 return __rhs + __lhs;
|
|
|
1545 }
|
|
|
1546
|
|
|
1547 // time_point operator-(time_point x, duration y);
|
|
|
1548
|
|
|
1549 template <class _Clock, class _Duration1, class _Rep2, class _Period2>
|
|
|
1550 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
|
|
|
1551 time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type>
|
|
|
1552 operator-(const time_point<_Clock, _Duration1>& __lhs, const duration<_Rep2, _Period2>& __rhs)
|
|
|
1553 {
|
|
|
1554 typedef time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type> _Ret;
|
|
|
1555 return _Ret(__lhs.time_since_epoch() -__rhs);
|
|
|
1556 }
|
|
|
1557
|
|
|
1558 // duration operator-(time_point x, time_point y);
|
|
|
1559
|
|
|
1560 template <class _Clock, class _Duration1, class _Duration2>
|
|
|
1561 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
|
|
|
1562 typename common_type<_Duration1, _Duration2>::type
|
|
|
1563 operator-(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs)
|
|
|
1564 {
|
|
|
1565 return __lhs.time_since_epoch() - __rhs.time_since_epoch();
|
|
|
1566 }
|
|
|
1567
|
|
|
1568 //////////////////////////////////////////////////////////
|
|
|
1569 /////////////////////// clocks ///////////////////////////
|
|
|
1570 //////////////////////////////////////////////////////////
|
|
|
1571
|
|
|
1572 class _LIBCPP_TYPE_VIS system_clock
|
|
|
1573 {
|
|
|
1574 public:
|
|
|
1575 typedef microseconds duration;
|
|
|
1576 typedef duration::rep rep;
|
|
|
1577 typedef duration::period period;
|
|
|
1578 typedef chrono::time_point<system_clock> time_point;
|
|
|
1579 static _LIBCPP_CONSTEXPR_AFTER_CXX11 const bool is_steady = false;
|
|
|
1580
|
|
|
1581 static time_point now() _NOEXCEPT;
|
|
|
1582 static time_t to_time_t (const time_point& __t) _NOEXCEPT;
|
|
|
1583 static time_point from_time_t(time_t __t) _NOEXCEPT;
|
|
|
1584 };
|
|
|
1585
|
|
|
1586 #ifndef _LIBCPP_HAS_NO_MONOTONIC_CLOCK
|
|
|
1587 class _LIBCPP_TYPE_VIS steady_clock
|
|
|
1588 {
|
|
|
1589 public:
|
|
|
1590 typedef nanoseconds duration;
|
|
|
1591 typedef duration::rep rep;
|
|
|
1592 typedef duration::period period;
|
|
|
1593 typedef chrono::time_point<steady_clock, duration> time_point;
|
|
|
1594 static _LIBCPP_CONSTEXPR_AFTER_CXX11 const bool is_steady = true;
|
|
|
1595
|
|
|
1596 static time_point now() _NOEXCEPT;
|
|
|
1597 };
|
|
|
1598
|
|
|
1599 typedef steady_clock high_resolution_clock;
|
|
|
1600 #else
|
|
|
1601 typedef system_clock high_resolution_clock;
|
|
|
1602 #endif
|
|
|
1603
|
|
|
1604 #if _LIBCPP_STD_VER > 17
|
|
|
1605 // [time.clock.file], type file_clock
|
|
|
1606 using file_clock = _VSTD_FS::_FilesystemClock;
|
|
|
1607
|
|
|
1608 template<class _Duration>
|
|
|
1609 using file_time = time_point<file_clock, _Duration>;
|
|
|
1610
|
|
|
1611
|
|
|
1612 template <class _Duration>
|
|
|
1613 using sys_time = time_point<system_clock, _Duration>;
|
|
|
1614 using sys_seconds = sys_time<seconds>;
|
|
|
1615 using sys_days = sys_time<days>;
|
|
|
1616
|
|
|
1617 struct local_t {};
|
|
|
1618 template<class Duration>
|
|
|
1619 using local_time = time_point<local_t, Duration>;
|
|
|
1620 using local_seconds = local_time<seconds>;
|
|
|
1621 using local_days = local_time<days>;
|
|
|
1622
|
|
|
1623
|
|
|
1624 struct last_spec { explicit last_spec() = default; };
|
|
|
1625
|
|
|
1626 class day {
|
|
|
1627 private:
|
|
|
1628 unsigned char __d;
|
|
|
1629 public:
|
|
|
1630 day() = default;
|
|
|
1631 explicit inline constexpr day(unsigned __val) noexcept : __d(static_cast<unsigned char>(__val)) {}
|
|
|
1632 inline constexpr day& operator++() noexcept { ++__d; return *this; }
|
|
|
1633 inline constexpr day operator++(int) noexcept { day __tmp = *this; ++(*this); return __tmp; }
|
|
|
1634 inline constexpr day& operator--() noexcept { --__d; return *this; }
|
|
|
1635 inline constexpr day operator--(int) noexcept { day __tmp = *this; --(*this); return __tmp; }
|
|
|
1636 constexpr day& operator+=(const days& __dd) noexcept;
|
|
|
1637 constexpr day& operator-=(const days& __dd) noexcept;
|
|
|
1638 explicit inline constexpr operator unsigned() const noexcept { return __d; }
|
|
|
1639 inline constexpr bool ok() const noexcept { return __d >= 1 && __d <= 31; }
|
|
|
1640 };
|
|
|
1641
|
|
|
1642
|
|
|
1643 inline constexpr
|
|
|
1644 bool operator==(const day& __lhs, const day& __rhs) noexcept
|
|
|
1645 { return static_cast<unsigned>(__lhs) == static_cast<unsigned>(__rhs); }
|
|
|
1646
|
|
|
1647 inline constexpr
|
|
|
1648 bool operator!=(const day& __lhs, const day& __rhs) noexcept
|
|
|
1649 { return !(__lhs == __rhs); }
|
|
|
1650
|
|
|
1651 inline constexpr
|
|
|
1652 bool operator< (const day& __lhs, const day& __rhs) noexcept
|
|
|
1653 { return static_cast<unsigned>(__lhs) < static_cast<unsigned>(__rhs); }
|
|
|
1654
|
|
|
1655 inline constexpr
|
|
|
1656 bool operator> (const day& __lhs, const day& __rhs) noexcept
|
|
|
1657 { return __rhs < __lhs; }
|
|
|
1658
|
|
|
1659 inline constexpr
|
|
|
1660 bool operator<=(const day& __lhs, const day& __rhs) noexcept
|
|
|
1661 { return !(__rhs < __lhs);}
|
|
|
1662
|
|
|
1663 inline constexpr
|
|
|
1664 bool operator>=(const day& __lhs, const day& __rhs) noexcept
|
|
|
1665 { return !(__lhs < __rhs); }
|
|
|
1666
|
|
|
1667 inline constexpr
|
|
|
1668 day operator+ (const day& __lhs, const days& __rhs) noexcept
|
|
|
1669 { return day(static_cast<unsigned>(__lhs) + __rhs.count()); }
|
|
|
1670
|
|
|
1671 inline constexpr
|
|
|
1672 day operator+ (const days& __lhs, const day& __rhs) noexcept
|
|
|
1673 { return __rhs + __lhs; }
|
|
|
1674
|
|
|
1675 inline constexpr
|
|
|
1676 day operator- (const day& __lhs, const days& __rhs) noexcept
|
|
|
1677 { return __lhs + -__rhs; }
|
|
|
1678
|
|
|
1679 inline constexpr
|
|
|
1680 days operator-(const day& __lhs, const day& __rhs) noexcept
|
|
|
1681 { return days(static_cast<int>(static_cast<unsigned>(__lhs)) -
|
|
|
1682 static_cast<int>(static_cast<unsigned>(__rhs))); }
|
|
|
1683
|
|
|
1684 inline constexpr day& day::operator+=(const days& __dd) noexcept
|
|
|
1685 { *this = *this + __dd; return *this; }
|
|
|
1686
|
|
|
1687 inline constexpr day& day::operator-=(const days& __dd) noexcept
|
|
|
1688 { *this = *this - __dd; return *this; }
|
|
|
1689
|
|
|
1690
|
|
|
1691 class month {
|
|
|
1692 private:
|
|
|
1693 unsigned char __m;
|
|
|
1694 public:
|
|
|
1695 month() = default;
|
|
|
1696 explicit inline constexpr month(unsigned __val) noexcept : __m(static_cast<unsigned char>(__val)) {}
|
|
|
1697 inline constexpr month& operator++() noexcept { ++__m; return *this; }
|
|
|
1698 inline constexpr month operator++(int) noexcept { month __tmp = *this; ++(*this); return __tmp; }
|
|
|
1699 inline constexpr month& operator--() noexcept { --__m; return *this; }
|
|
|
1700 inline constexpr month operator--(int) noexcept { month __tmp = *this; --(*this); return __tmp; }
|
|
|
1701 constexpr month& operator+=(const months& __m1) noexcept;
|
|
|
1702 constexpr month& operator-=(const months& __m1) noexcept;
|
|
|
1703 explicit inline constexpr operator unsigned() const noexcept { return __m; }
|
|
|
1704 inline constexpr bool ok() const noexcept { return __m >= 1 && __m <= 12; }
|
|
|
1705 };
|
|
|
1706
|
|
|
1707
|
|
|
1708 inline constexpr
|
|
|
1709 bool operator==(const month& __lhs, const month& __rhs) noexcept
|
|
|
1710 { return static_cast<unsigned>(__lhs) == static_cast<unsigned>(__rhs); }
|
|
|
1711
|
|
|
1712 inline constexpr
|
|
|
1713 bool operator!=(const month& __lhs, const month& __rhs) noexcept
|
|
|
1714 { return !(__lhs == __rhs); }
|
|
|
1715
|
|
|
1716 inline constexpr
|
|
|
1717 bool operator< (const month& __lhs, const month& __rhs) noexcept
|
|
|
1718 { return static_cast<unsigned>(__lhs) < static_cast<unsigned>(__rhs); }
|
|
|
1719
|
|
|
1720 inline constexpr
|
|
|
1721 bool operator> (const month& __lhs, const month& __rhs) noexcept
|
|
|
1722 { return __rhs < __lhs; }
|
|
|
1723
|
|
|
1724 inline constexpr
|
|
|
1725 bool operator<=(const month& __lhs, const month& __rhs) noexcept
|
|
|
1726 { return !(__rhs < __lhs); }
|
|
|
1727
|
|
|
1728 inline constexpr
|
|
|
1729 bool operator>=(const month& __lhs, const month& __rhs) noexcept
|
|
|
1730 { return !(__lhs < __rhs); }
|
|
|
1731
|
|
|
1732 inline constexpr
|
|
|
1733 month operator+ (const month& __lhs, const months& __rhs) noexcept
|
|
|
1734 {
|
|
|
1735 auto const __mu = static_cast<long long>(static_cast<unsigned>(__lhs)) + (__rhs.count() - 1);
|
|
|
1736 auto const __yr = (__mu >= 0 ? __mu : __mu - 11) / 12;
|
|
|
1737 return month{static_cast<unsigned>(__mu - __yr * 12 + 1)};
|
|
|
1738 }
|
|
|
1739
|
|
|
1740 inline constexpr
|
|
|
1741 month operator+ (const months& __lhs, const month& __rhs) noexcept
|
|
|
1742 { return __rhs + __lhs; }
|
|
|
1743
|
|
|
1744 inline constexpr
|
|
|
1745 month operator- (const month& __lhs, const months& __rhs) noexcept
|
|
|
1746 { return __lhs + -__rhs; }
|
|
|
1747
|
|
|
1748 inline constexpr
|
|
|
1749 months operator-(const month& __lhs, const month& __rhs) noexcept
|
|
|
1750 {
|
|
|
1751 auto const __dm = static_cast<unsigned>(__lhs) - static_cast<unsigned>(__rhs);
|
|
|
1752 return months(__dm <= 11 ? __dm : __dm + 12);
|
|
|
1753 }
|
|
|
1754
|
|
|
1755 inline constexpr month& month::operator+=(const months& __dm) noexcept
|
|
|
1756 { *this = *this + __dm; return *this; }
|
|
|
1757
|
|
|
1758 inline constexpr month& month::operator-=(const months& __dm) noexcept
|
|
|
1759 { *this = *this - __dm; return *this; }
|
|
|
1760
|
|
|
1761
|
|
|
1762 class year {
|
|
|
1763 private:
|
|
|
1764 short __y;
|
|
|
1765 public:
|
|
|
1766 year() = default;
|
|
|
1767 explicit inline constexpr year(int __val) noexcept : __y(static_cast<short>(__val)) {}
|
|
|
1768
|
|
|
1769 inline constexpr year& operator++() noexcept { ++__y; return *this; }
|
|
|
1770 inline constexpr year operator++(int) noexcept { year __tmp = *this; ++(*this); return __tmp; }
|
|
|
1771 inline constexpr year& operator--() noexcept { --__y; return *this; }
|
|
|
1772 inline constexpr year operator--(int) noexcept { year __tmp = *this; --(*this); return __tmp; }
|
|
|
1773 constexpr year& operator+=(const years& __dy) noexcept;
|
|
|
1774 constexpr year& operator-=(const years& __dy) noexcept;
|
|
|
1775 inline constexpr year operator+() const noexcept { return *this; }
|
|
|
1776 inline constexpr year operator-() const noexcept { return year{-__y}; }
|
|
|
1777
|
|
|
1778 inline constexpr bool is_leap() const noexcept { return __y % 4 == 0 && (__y % 100 != 0 || __y % 400 == 0); }
|
|
|
1779 explicit inline constexpr operator int() const noexcept { return __y; }
|
|
|
1780 constexpr bool ok() const noexcept;
|
|
|
1781 static inline constexpr year min() noexcept { return year{-32767}; }
|
|
|
1782 static inline constexpr year max() noexcept { return year{ 32767}; }
|
|
|
1783 };
|
|
|
1784
|
|
|
1785
|
|
|
1786 inline constexpr
|
|
|
1787 bool operator==(const year& __lhs, const year& __rhs) noexcept
|
|
|
1788 { return static_cast<int>(__lhs) == static_cast<int>(__rhs); }
|
|
|
1789
|
|
|
1790 inline constexpr
|
|
|
1791 bool operator!=(const year& __lhs, const year& __rhs) noexcept
|
|
|
1792 { return !(__lhs == __rhs); }
|
|
|
1793
|
|
|
1794 inline constexpr
|
|
|
1795 bool operator< (const year& __lhs, const year& __rhs) noexcept
|
|
|
1796 { return static_cast<int>(__lhs) < static_cast<int>(__rhs); }
|
|
|
1797
|
|
|
1798 inline constexpr
|
|
|
1799 bool operator> (const year& __lhs, const year& __rhs) noexcept
|
|
|
1800 { return __rhs < __lhs; }
|
|
|
1801
|
|
|
1802 inline constexpr
|
|
|
1803 bool operator<=(const year& __lhs, const year& __rhs) noexcept
|
|
|
1804 { return !(__rhs < __lhs); }
|
|
|
1805
|
|
|
1806 inline constexpr
|
|
|
1807 bool operator>=(const year& __lhs, const year& __rhs) noexcept
|
|
|
1808 { return !(__lhs < __rhs); }
|
|
|
1809
|
|
|
1810 inline constexpr
|
|
|
1811 year operator+ (const year& __lhs, const years& __rhs) noexcept
|
|
|
1812 { return year(static_cast<int>(__lhs) + __rhs.count()); }
|
|
|
1813
|
|
|
1814 inline constexpr
|
|
|
1815 year operator+ (const years& __lhs, const year& __rhs) noexcept
|
|
|
1816 { return __rhs + __lhs; }
|
|
|
1817
|
|
|
1818 inline constexpr
|
|
|
1819 year operator- (const year& __lhs, const years& __rhs) noexcept
|
|
|
1820 { return __lhs + -__rhs; }
|
|
|
1821
|
|
|
1822 inline constexpr
|
|
|
1823 years operator-(const year& __lhs, const year& __rhs) noexcept
|
|
|
1824 { return years{static_cast<int>(__lhs) - static_cast<int>(__rhs)}; }
|
|
|
1825
|
|
|
1826
|
|
|
1827 inline constexpr year& year::operator+=(const years& __dy) noexcept
|
|
|
1828 { *this = *this + __dy; return *this; }
|
|
|
1829
|
|
|
1830 inline constexpr year& year::operator-=(const years& __dy) noexcept
|
|
|
1831 { *this = *this - __dy; return *this; }
|
|
|
1832
|
|
|
1833 inline constexpr bool year::ok() const noexcept
|
|
|
1834 { return static_cast<int>(min()) <= __y && __y <= static_cast<int>(max()); }
|
|
|
1835
|
|
|
1836 class weekday_indexed;
|
|
|
1837 class weekday_last;
|
|
|
1838
|
|
|
1839 class weekday {
|
|
|
1840 private:
|
|
|
1841 unsigned char __wd;
|
|
|
1842 public:
|
|
|
1843 weekday() = default;
|
|
|
1844 inline explicit constexpr weekday(unsigned __val) noexcept : __wd(static_cast<unsigned char>(__val == 7 ? 0 : __val)) {}
|
|
|
1845 inline constexpr weekday(const sys_days& __sysd) noexcept
|
|
|
1846 : __wd(__weekday_from_days(__sysd.time_since_epoch().count())) {}
|
|
|
1847 inline explicit constexpr weekday(const local_days& __locd) noexcept
|
|
|
1848 : __wd(__weekday_from_days(__locd.time_since_epoch().count())) {}
|
|
|
1849
|
|
|
1850 inline constexpr weekday& operator++() noexcept { __wd = (__wd == 6 ? 0 : __wd + 1); return *this; }
|
|
|
1851 inline constexpr weekday operator++(int) noexcept { weekday __tmp = *this; ++(*this); return __tmp; }
|
|
|
1852 inline constexpr weekday& operator--() noexcept { __wd = (__wd == 0 ? 6 : __wd - 1); return *this; }
|
|
|
1853 inline constexpr weekday operator--(int) noexcept { weekday __tmp = *this; --(*this); return __tmp; }
|
|
|
1854 constexpr weekday& operator+=(const days& __dd) noexcept;
|
|
|
1855 constexpr weekday& operator-=(const days& __dd) noexcept;
|
|
|
1856 inline constexpr unsigned c_encoding() const noexcept { return __wd; }
|
|
|
1857 inline constexpr unsigned iso_encoding() const noexcept { return __wd == 0u ? 7 : __wd; }
|
|
|
1858 inline constexpr bool ok() const noexcept { return __wd <= 6; }
|
|
|
1859 constexpr weekday_indexed operator[](unsigned __index) const noexcept;
|
|
|
1860 constexpr weekday_last operator[](last_spec) const noexcept;
|
|
|
1861
|
|
|
1862 // TODO: Make private?
|
|
|
1863 static constexpr unsigned char __weekday_from_days(int __days) noexcept;
|
|
|
1864 };
|
|
|
1865
|
|
|
1866
|
|
|
1867 // https://howardhinnant.github.io/date_algorithms.html#weekday_from_days
|
|
|
1868 inline constexpr
|
|
|
1869 unsigned char weekday::__weekday_from_days(int __days) noexcept
|
|
|
1870 {
|
|
|
1871 return static_cast<unsigned char>(
|
|
|
1872 static_cast<unsigned>(__days >= -4 ? (__days+4) % 7 : (__days+5) % 7 + 6)
|
|
|
1873 );
|
|
|
1874 }
|
|
|
1875
|
|
|
1876 inline constexpr
|
|
|
1877 bool operator==(const weekday& __lhs, const weekday& __rhs) noexcept
|
|
|
1878 { return __lhs.c_encoding() == __rhs.c_encoding(); }
|
|
|
1879
|
|
|
1880 inline constexpr
|
|
|
1881 bool operator!=(const weekday& __lhs, const weekday& __rhs) noexcept
|
|
|
1882 { return !(__lhs == __rhs); }
|
|
|
1883
|
|
|
1884 inline constexpr
|
|
|
1885 bool operator< (const weekday& __lhs, const weekday& __rhs) noexcept
|
|
|
1886 { return __lhs.c_encoding() < __rhs.c_encoding(); }
|
|
|
1887
|
|
|
1888 inline constexpr
|
|
|
1889 bool operator> (const weekday& __lhs, const weekday& __rhs) noexcept
|
|
|
1890 { return __rhs < __lhs; }
|
|
|
1891
|
|
|
1892 inline constexpr
|
|
|
1893 bool operator<=(const weekday& __lhs, const weekday& __rhs) noexcept
|
|
|
1894 { return !(__rhs < __lhs);}
|
|
|
1895
|
|
|
1896 inline constexpr
|
|
|
1897 bool operator>=(const weekday& __lhs, const weekday& __rhs) noexcept
|
|
|
1898 { return !(__lhs < __rhs); }
|
|
|
1899
|
|
|
1900 constexpr weekday operator+(const weekday& __lhs, const days& __rhs) noexcept
|
|
|
1901 {
|
|
|
1902 auto const __mu = static_cast<long long>(__lhs.c_encoding()) + __rhs.count();
|
|
|
1903 auto const __yr = (__mu >= 0 ? __mu : __mu - 6) / 7;
|
|
|
1904 return weekday{static_cast<unsigned>(__mu - __yr * 7)};
|
|
|
1905 }
|
|
|
1906
|
|
|
1907 constexpr weekday operator+(const days& __lhs, const weekday& __rhs) noexcept
|
|
|
1908 { return __rhs + __lhs; }
|
|
|
1909
|
|
|
1910 constexpr weekday operator-(const weekday& __lhs, const days& __rhs) noexcept
|
|
|
1911 { return __lhs + -__rhs; }
|
|
|
1912
|
|
|
1913 constexpr days operator-(const weekday& __lhs, const weekday& __rhs) noexcept
|
|
|
1914 {
|
|
|
1915 const int __wdu = __lhs.c_encoding() - __rhs.c_encoding();
|
|
|
1916 const int __wk = (__wdu >= 0 ? __wdu : __wdu-6) / 7;
|
|
|
1917 return days{__wdu - __wk * 7};
|
|
|
1918 }
|
|
|
1919
|
|
|
1920 inline constexpr weekday& weekday::operator+=(const days& __dd) noexcept
|
|
|
1921 { *this = *this + __dd; return *this; }
|
|
|
1922
|
|
|
1923 inline constexpr weekday& weekday::operator-=(const days& __dd) noexcept
|
|
|
1924 { *this = *this - __dd; return *this; }
|
|
|
1925
|
|
|
1926
|
|
|
1927 class weekday_indexed {
|
|
|
1928 private:
|
|
|
1929 _VSTD::chrono::weekday __wd;
|
|
|
1930 unsigned char __idx;
|
|
|
1931 public:
|
|
|
1932 weekday_indexed() = default;
|
|
|
1933 inline constexpr weekday_indexed(const _VSTD::chrono::weekday& __wdval, unsigned __idxval) noexcept
|
|
|
1934 : __wd{__wdval}, __idx(__idxval) {}
|
|
|
1935 inline constexpr _VSTD::chrono::weekday weekday() const noexcept { return __wd; }
|
|
|
1936 inline constexpr unsigned index() const noexcept { return __idx; }
|
|
|
1937 inline constexpr bool ok() const noexcept { return __wd.ok() && __idx >= 1 && __idx <= 5; }
|
|
|
1938 };
|
|
|
1939
|
|
|
1940 inline constexpr
|
|
|
1941 bool operator==(const weekday_indexed& __lhs, const weekday_indexed& __rhs) noexcept
|
|
|
1942 { return __lhs.weekday() == __rhs.weekday() && __lhs.index() == __rhs.index(); }
|
|
|
1943
|
|
|
1944 inline constexpr
|
|
|
1945 bool operator!=(const weekday_indexed& __lhs, const weekday_indexed& __rhs) noexcept
|
|
|
1946 { return !(__lhs == __rhs); }
|
|
|
1947
|
|
|
1948
|
|
|
1949 class weekday_last {
|
|
|
1950 private:
|
|
|
1951 _VSTD::chrono::weekday __wd;
|
|
|
1952 public:
|
|
|
1953 explicit constexpr weekday_last(const _VSTD::chrono::weekday& __val) noexcept
|
|
|
1954 : __wd{__val} {}
|
|
|
1955 constexpr _VSTD::chrono::weekday weekday() const noexcept { return __wd; }
|
|
|
1956 constexpr bool ok() const noexcept { return __wd.ok(); }
|
|
|
1957 };
|
|
|
1958
|
|
|
1959 inline constexpr
|
|
|
1960 bool operator==(const weekday_last& __lhs, const weekday_last& __rhs) noexcept
|
|
|
1961 { return __lhs.weekday() == __rhs.weekday(); }
|
|
|
1962
|
|
|
1963 inline constexpr
|
|
|
1964 bool operator!=(const weekday_last& __lhs, const weekday_last& __rhs) noexcept
|
|
|
1965 { return !(__lhs == __rhs); }
|
|
|
1966
|
|
|
1967 inline constexpr
|
|
|
1968 weekday_indexed weekday::operator[](unsigned __index) const noexcept { return weekday_indexed{*this, __index}; }
|
|
|
1969
|
|
|
1970 inline constexpr
|
|
|
1971 weekday_last weekday::operator[](last_spec) const noexcept { return weekday_last{*this}; }
|
|
|
1972
|
|
|
1973
|
|
|
1974 inline constexpr last_spec last{};
|
|
|
1975 inline constexpr weekday Sunday{0};
|
|
|
1976 inline constexpr weekday Monday{1};
|
|
|
1977 inline constexpr weekday Tuesday{2};
|
|
|
1978 inline constexpr weekday Wednesday{3};
|
|
|
1979 inline constexpr weekday Thursday{4};
|
|
|
1980 inline constexpr weekday Friday{5};
|
|
|
1981 inline constexpr weekday Saturday{6};
|
|
|
1982
|
|
|
1983 inline constexpr month January{1};
|
|
|
1984 inline constexpr month February{2};
|
|
|
1985 inline constexpr month March{3};
|
|
|
1986 inline constexpr month April{4};
|
|
|
1987 inline constexpr month May{5};
|
|
|
1988 inline constexpr month June{6};
|
|
|
1989 inline constexpr month July{7};
|
|
|
1990 inline constexpr month August{8};
|
|
|
1991 inline constexpr month September{9};
|
|
|
1992 inline constexpr month October{10};
|
|
|
1993 inline constexpr month November{11};
|
|
|
1994 inline constexpr month December{12};
|
|
|
1995
|
|
|
1996
|
|
|
1997 class month_day {
|
|
|
1998 private:
|
|
|
1999 chrono::month __m;
|
|
|
2000 chrono::day __d;
|
|
|
2001 public:
|
|
|
2002 month_day() = default;
|
|
|
2003 constexpr month_day(const chrono::month& __mval, const chrono::day& __dval) noexcept
|
|
|
2004 : __m{__mval}, __d{__dval} {}
|
|
|
2005 inline constexpr chrono::month month() const noexcept { return __m; }
|
|
|
2006 inline constexpr chrono::day day() const noexcept { return __d; }
|
|
|
2007 constexpr bool ok() const noexcept;
|
|
|
2008 };
|
|
|
2009
|
|
|
2010 inline constexpr
|
|
|
2011 bool month_day::ok() const noexcept
|
|
|
2012 {
|
|
|
2013 if (!__m.ok()) return false;
|
|
|
2014 const unsigned __dval = static_cast<unsigned>(__d);
|
|
|
2015 if (__dval < 1 || __dval > 31) return false;
|
|
|
2016 if (__dval <= 29) return true;
|
|
|
2017 // Now we've got either 30 or 31
|
|
|
2018 const unsigned __mval = static_cast<unsigned>(__m);
|
|
|
2019 if (__mval == 2) return false;
|
|
|
2020 if (__mval == 4 || __mval == 6 || __mval == 9 || __mval == 11)
|
|
|
2021 return __dval == 30;
|
|
|
2022 return true;
|
|
|
2023 }
|
|
|
2024
|
|
|
2025 inline constexpr
|
|
|
2026 bool operator==(const month_day& __lhs, const month_day& __rhs) noexcept
|
|
|
2027 { return __lhs.month() == __rhs.month() && __lhs.day() == __rhs.day(); }
|
|
|
2028
|
|
|
2029 inline constexpr
|
|
|
2030 bool operator!=(const month_day& __lhs, const month_day& __rhs) noexcept
|
|
|
2031 { return !(__lhs == __rhs); }
|
|
|
2032
|
|
|
2033 inline constexpr
|
|
|
2034 month_day operator/(const month& __lhs, const day& __rhs) noexcept
|
|
|
2035 { return month_day{__lhs, __rhs}; }
|
|
|
2036
|
|
|
2037 constexpr
|
|
|
2038 month_day operator/(const day& __lhs, const month& __rhs) noexcept
|
|
|
2039 { return __rhs / __lhs; }
|
|
|
2040
|
|
|
2041 inline constexpr
|
|
|
2042 month_day operator/(const month& __lhs, int __rhs) noexcept
|
|
|
2043 { return __lhs / day(__rhs); }
|
|
|
2044
|
|
|
2045 constexpr
|
|
|
2046 month_day operator/(int __lhs, const day& __rhs) noexcept
|
|
|
2047 { return month(__lhs) / __rhs; }
|
|
|
2048
|
|
|
2049 constexpr
|
|
|
2050 month_day operator/(const day& __lhs, int __rhs) noexcept
|
|
|
2051 { return month(__rhs) / __lhs; }
|
|
|
2052
|
|
|
2053
|
|
|
2054 inline constexpr
|
|
|
2055 bool operator< (const month_day& __lhs, const month_day& __rhs) noexcept
|
|
|
2056 { return __lhs.month() != __rhs.month() ? __lhs.month() < __rhs.month() : __lhs.day() < __rhs.day(); }
|
|
|
2057
|
|
|
2058 inline constexpr
|
|
|
2059 bool operator> (const month_day& __lhs, const month_day& __rhs) noexcept
|
|
|
2060 { return __rhs < __lhs; }
|
|
|
2061
|
|
|
2062 inline constexpr
|
|
|
2063 bool operator<=(const month_day& __lhs, const month_day& __rhs) noexcept
|
|
|
2064 { return !(__rhs < __lhs);}
|
|
|
2065
|
|
|
2066 inline constexpr
|
|
|
2067 bool operator>=(const month_day& __lhs, const month_day& __rhs) noexcept
|
|
|
2068 { return !(__lhs < __rhs); }
|
|
|
2069
|
|
|
2070
|
|
|
2071
|
|
|
2072 class month_day_last {
|
|
|
2073 private:
|
|
|
2074 chrono::month __m;
|
|
|
2075 public:
|
|
|
2076 explicit constexpr month_day_last(const chrono::month& __val) noexcept
|
|
|
2077 : __m{__val} {}
|
|
|
2078 inline constexpr chrono::month month() const noexcept { return __m; }
|
|
|
2079 inline constexpr bool ok() const noexcept { return __m.ok(); }
|
|
|
2080 };
|
|
|
2081
|
|
|
2082 inline constexpr
|
|
|
2083 bool operator==(const month_day_last& __lhs, const month_day_last& __rhs) noexcept
|
|
|
2084 { return __lhs.month() == __rhs.month(); }
|
|
|
2085
|
|
|
2086 inline constexpr
|
|
|
2087 bool operator!=(const month_day_last& __lhs, const month_day_last& __rhs) noexcept
|
|
|
2088 { return !(__lhs == __rhs); }
|
|
|
2089
|
|
|
2090 inline constexpr
|
|
|
2091 bool operator< (const month_day_last& __lhs, const month_day_last& __rhs) noexcept
|
|
|
2092 { return __lhs.month() < __rhs.month(); }
|
|
|
2093
|
|
|
2094 inline constexpr
|
|
|
2095 bool operator> (const month_day_last& __lhs, const month_day_last& __rhs) noexcept
|
|
|
2096 { return __rhs < __lhs; }
|
|
|
2097
|
|
|
2098 inline constexpr
|
|
|
2099 bool operator<=(const month_day_last& __lhs, const month_day_last& __rhs) noexcept
|
|
|
2100 { return !(__rhs < __lhs);}
|
|
|
2101
|
|
|
2102 inline constexpr
|
|
|
2103 bool operator>=(const month_day_last& __lhs, const month_day_last& __rhs) noexcept
|
|
|
2104 { return !(__lhs < __rhs); }
|
|
|
2105
|
|
|
2106 inline constexpr
|
|
|
2107 month_day_last operator/(const month& __lhs, last_spec) noexcept
|
|
|
2108 { return month_day_last{__lhs}; }
|
|
|
2109
|
|
|
2110 inline constexpr
|
|
|
2111 month_day_last operator/(last_spec, const month& __rhs) noexcept
|
|
|
2112 { return month_day_last{__rhs}; }
|
|
|
2113
|
|
|
2114 inline constexpr
|
|
|
2115 month_day_last operator/(int __lhs, last_spec) noexcept
|
|
|
2116 { return month_day_last{month(__lhs)}; }
|
|
|
2117
|
|
|
2118 inline constexpr
|
|
|
2119 month_day_last operator/(last_spec, int __rhs) noexcept
|
|
|
2120 { return month_day_last{month(__rhs)}; }
|
|
|
2121
|
|
|
2122
|
|
|
2123 class month_weekday {
|
|
|
2124 private:
|
|
|
2125 chrono::month __m;
|
|
|
2126 chrono::weekday_indexed __wdi;
|
|
|
2127 public:
|
|
|
2128 month_weekday() = default;
|
|
|
2129 constexpr month_weekday(const chrono::month& __mval, const chrono::weekday_indexed& __wdival) noexcept
|
|
|
2130 : __m{__mval}, __wdi{__wdival} {}
|
|
|
2131 inline constexpr chrono::month month() const noexcept { return __m; }
|
|
|
2132 inline constexpr chrono::weekday_indexed weekday_indexed() const noexcept { return __wdi; }
|
|
|
2133 inline constexpr bool ok() const noexcept { return __m.ok() && __wdi.ok(); }
|
|
|
2134 };
|
|
|
2135
|
|
|
2136 inline constexpr
|
|
|
2137 bool operator==(const month_weekday& __lhs, const month_weekday& __rhs) noexcept
|
|
|
2138 { return __lhs.month() == __rhs.month() && __lhs.weekday_indexed() == __rhs.weekday_indexed(); }
|
|
|
2139
|
|
|
2140 inline constexpr
|
|
|
2141 bool operator!=(const month_weekday& __lhs, const month_weekday& __rhs) noexcept
|
|
|
2142 { return !(__lhs == __rhs); }
|
|
|
2143
|
|
|
2144 inline constexpr
|
|
|
2145 month_weekday operator/(const month& __lhs, const weekday_indexed& __rhs) noexcept
|
|
|
2146 { return month_weekday{__lhs, __rhs}; }
|
|
|
2147
|
|
|
2148 inline constexpr
|
|
|
2149 month_weekday operator/(int __lhs, const weekday_indexed& __rhs) noexcept
|
|
|
2150 { return month_weekday{month(__lhs), __rhs}; }
|
|
|
2151
|
|
|
2152 inline constexpr
|
|
|
2153 month_weekday operator/(const weekday_indexed& __lhs, const month& __rhs) noexcept
|
|
|
2154 { return month_weekday{__rhs, __lhs}; }
|
|
|
2155
|
|
|
2156 inline constexpr
|
|
|
2157 month_weekday operator/(const weekday_indexed& __lhs, int __rhs) noexcept
|
|
|
2158 { return month_weekday{month(__rhs), __lhs}; }
|
|
|
2159
|
|
|
2160
|
|
|
2161 class month_weekday_last {
|
|
|
2162 chrono::month __m;
|
|
|
2163 chrono::weekday_last __wdl;
|
|
|
2164 public:
|
|
|
2165 constexpr month_weekday_last(const chrono::month& __mval, const chrono::weekday_last& __wdlval) noexcept
|
|
|
2166 : __m{__mval}, __wdl{__wdlval} {}
|
|
|
2167 inline constexpr chrono::month month() const noexcept { return __m; }
|
|
|
2168 inline constexpr chrono::weekday_last weekday_last() const noexcept { return __wdl; }
|
|
|
2169 inline constexpr bool ok() const noexcept { return __m.ok() && __wdl.ok(); }
|
|
|
2170 };
|
|
|
2171
|
|
|
2172 inline constexpr
|
|
|
2173 bool operator==(const month_weekday_last& __lhs, const month_weekday_last& __rhs) noexcept
|
|
|
2174 { return __lhs.month() == __rhs.month() && __lhs.weekday_last() == __rhs.weekday_last(); }
|
|
|
2175
|
|
|
2176 inline constexpr
|
|
|
2177 bool operator!=(const month_weekday_last& __lhs, const month_weekday_last& __rhs) noexcept
|
|
|
2178 { return !(__lhs == __rhs); }
|
|
|
2179
|
|
|
2180
|
|
|
2181 inline constexpr
|
|
|
2182 month_weekday_last operator/(const month& __lhs, const weekday_last& __rhs) noexcept
|
|
|
2183 { return month_weekday_last{__lhs, __rhs}; }
|
|
|
2184
|
|
|
2185 inline constexpr
|
|
|
2186 month_weekday_last operator/(int __lhs, const weekday_last& __rhs) noexcept
|
|
|
2187 { return month_weekday_last{month(__lhs), __rhs}; }
|
|
|
2188
|
|
|
2189 inline constexpr
|
|
|
2190 month_weekday_last operator/(const weekday_last& __lhs, const month& __rhs) noexcept
|
|
|
2191 { return month_weekday_last{__rhs, __lhs}; }
|
|
|
2192
|
|
|
2193 inline constexpr
|
|
|
2194 month_weekday_last operator/(const weekday_last& __lhs, int __rhs) noexcept
|
|
|
2195 { return month_weekday_last{month(__rhs), __lhs}; }
|
|
|
2196
|
|
|
2197
|
|
|
2198 class year_month {
|
|
|
2199 chrono::year __y;
|
|
|
2200 chrono::month __m;
|
|
|
2201 public:
|
|
|
2202 year_month() = default;
|
|
|
2203 constexpr year_month(const chrono::year& __yval, const chrono::month& __mval) noexcept
|
|
|
2204 : __y{__yval}, __m{__mval} {}
|
|
|
2205 inline constexpr chrono::year year() const noexcept { return __y; }
|
|
|
2206 inline constexpr chrono::month month() const noexcept { return __m; }
|
|
|
2207 inline constexpr year_month& operator+=(const months& __dm) noexcept { this->__m += __dm; return *this; }
|
|
|
2208 inline constexpr year_month& operator-=(const months& __dm) noexcept { this->__m -= __dm; return *this; }
|
|
|
2209 inline constexpr year_month& operator+=(const years& __dy) noexcept { this->__y += __dy; return *this; }
|
|
|
2210 inline constexpr year_month& operator-=(const years& __dy) noexcept { this->__y -= __dy; return *this; }
|
|
|
2211 inline constexpr bool ok() const noexcept { return __y.ok() && __m.ok(); }
|
|
|
2212 };
|
|
|
2213
|
|
|
2214 inline constexpr
|
|
|
2215 year_month operator/(const year& __y, const month& __m) noexcept { return year_month{__y, __m}; }
|
|
|
2216
|
|
|
2217 inline constexpr
|
|
|
2218 year_month operator/(const year& __y, int __m) noexcept { return year_month{__y, month(__m)}; }
|
|
|
2219
|
|
|
2220 inline constexpr
|
|
|
2221 bool operator==(const year_month& __lhs, const year_month& __rhs) noexcept
|
|
|
2222 { return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month(); }
|
|
|
2223
|
|
|
2224 inline constexpr
|
|
|
2225 bool operator!=(const year_month& __lhs, const year_month& __rhs) noexcept
|
|
|
2226 { return !(__lhs == __rhs); }
|
|
|
2227
|
|
|
2228 inline constexpr
|
|
|
2229 bool operator< (const year_month& __lhs, const year_month& __rhs) noexcept
|
|
|
2230 { return __lhs.year() != __rhs.year() ? __lhs.year() < __rhs.year() : __lhs.month() < __rhs.month(); }
|
|
|
2231
|
|
|
2232 inline constexpr
|
|
|
2233 bool operator> (const year_month& __lhs, const year_month& __rhs) noexcept
|
|
|
2234 { return __rhs < __lhs; }
|
|
|
2235
|
|
|
2236 inline constexpr
|
|
|
2237 bool operator<=(const year_month& __lhs, const year_month& __rhs) noexcept
|
|
|
2238 { return !(__rhs < __lhs);}
|
|
|
2239
|
|
|
2240 inline constexpr
|
|
|
2241 bool operator>=(const year_month& __lhs, const year_month& __rhs) noexcept
|
|
|
2242 { return !(__lhs < __rhs); }
|
|
|
2243
|
|
|
2244 constexpr year_month operator+(const year_month& __lhs, const months& __rhs) noexcept
|
|
|
2245 {
|
|
|
2246 int __dmi = static_cast<int>(static_cast<unsigned>(__lhs.month())) - 1 + __rhs.count();
|
|
|
2247 const int __dy = (__dmi >= 0 ? __dmi : __dmi-11) / 12;
|
|
|
2248 __dmi = __dmi - __dy * 12 + 1;
|
|
|
2249 return (__lhs.year() + years(__dy)) / month(static_cast<unsigned>(__dmi));
|
|
|
2250 }
|
|
|
2251
|
|
|
2252 constexpr year_month operator+(const months& __lhs, const year_month& __rhs) noexcept
|
|
|
2253 { return __rhs + __lhs; }
|
|
|
2254
|
|
|
2255 constexpr year_month operator+(const year_month& __lhs, const years& __rhs) noexcept
|
|
|
2256 { return (__lhs.year() + __rhs) / __lhs.month(); }
|
|
|
2257
|
|
|
2258 constexpr year_month operator+(const years& __lhs, const year_month& __rhs) noexcept
|
|
|
2259 { return __rhs + __lhs; }
|
|
|
2260
|
|
|
2261 constexpr months operator-(const year_month& __lhs, const year_month& __rhs) noexcept
|
|
|
2262 { return (__lhs.year() - __rhs.year()) + months(static_cast<unsigned>(__lhs.month()) - static_cast<unsigned>(__rhs.month())); }
|
|
|
2263
|
|
|
2264 constexpr year_month operator-(const year_month& __lhs, const months& __rhs) noexcept
|
|
|
2265 { return __lhs + -__rhs; }
|
|
|
2266
|
|
|
2267 constexpr year_month operator-(const year_month& __lhs, const years& __rhs) noexcept
|
|
|
2268 { return __lhs + -__rhs; }
|
|
|
2269
|
|
|
2270 class year_month_day_last;
|
|
|
2271
|
|
|
2272 class year_month_day {
|
|
|
2273 private:
|
|
|
2274 chrono::year __y;
|
|
|
2275 chrono::month __m;
|
|
|
2276 chrono::day __d;
|
|
|
2277 public:
|
|
|
2278 year_month_day() = default;
|
|
|
2279 inline constexpr year_month_day(
|
|
|
2280 const chrono::year& __yval, const chrono::month& __mval, const chrono::day& __dval) noexcept
|
|
|
2281 : __y{__yval}, __m{__mval}, __d{__dval} {}
|
|
|
2282 constexpr year_month_day(const year_month_day_last& __ymdl) noexcept;
|
|
|
2283 inline constexpr year_month_day(const sys_days& __sysd) noexcept
|
|
|
2284 : year_month_day(__from_days(__sysd.time_since_epoch())) {}
|
|
|
2285 inline explicit constexpr year_month_day(const local_days& __locd) noexcept
|
|
|
2286 : year_month_day(__from_days(__locd.time_since_epoch())) {}
|
|
|
2287
|
|
|
2288 constexpr year_month_day& operator+=(const months& __dm) noexcept;
|
|
|
2289 constexpr year_month_day& operator-=(const months& __dm) noexcept;
|
|
|
2290 constexpr year_month_day& operator+=(const years& __dy) noexcept;
|
|
|
2291 constexpr year_month_day& operator-=(const years& __dy) noexcept;
|
|
|
2292
|
|
|
2293 inline constexpr chrono::year year() const noexcept { return __y; }
|
|
|
2294 inline constexpr chrono::month month() const noexcept { return __m; }
|
|
|
2295 inline constexpr chrono::day day() const noexcept { return __d; }
|
|
|
2296 inline constexpr operator sys_days() const noexcept { return sys_days{__to_days()}; }
|
|
|
2297 inline explicit constexpr operator local_days() const noexcept { return local_days{__to_days()}; }
|
|
|
2298
|
|
|
2299 constexpr bool ok() const noexcept;
|
|
|
2300
|
|
|
2301 static constexpr year_month_day __from_days(days __d) noexcept;
|
|
|
2302 constexpr days __to_days() const noexcept;
|
|
|
2303 };
|
|
|
2304
|
|
|
2305
|
|
|
2306 // https://howardhinnant.github.io/date_algorithms.html#civil_from_days
|
|
|
2307 inline constexpr
|
|
|
2308 year_month_day
|
|
|
2309 year_month_day::__from_days(days __d) noexcept
|
|
|
2310 {
|
|
|
2311 static_assert(std::numeric_limits<unsigned>::digits >= 18, "");
|
|
|
2312 static_assert(std::numeric_limits<int>::digits >= 20 , "");
|
|
|
2313 const int __z = __d.count() + 719468;
|
|
|
2314 const int __era = (__z >= 0 ? __z : __z - 146096) / 146097;
|
|
|
2315 const unsigned __doe = static_cast<unsigned>(__z - __era * 146097); // [0, 146096]
|
|
|
2316 const unsigned __yoe = (__doe - __doe/1460 + __doe/36524 - __doe/146096) / 365; // [0, 399]
|
|
|
2317 const int __yr = static_cast<int>(__yoe) + __era * 400;
|
|
|
2318 const unsigned __doy = __doe - (365 * __yoe + __yoe/4 - __yoe/100); // [0, 365]
|
|
|
2319 const unsigned __mp = (5 * __doy + 2)/153; // [0, 11]
|
|
|
2320 const unsigned __dy = __doy - (153 * __mp + 2)/5 + 1; // [1, 31]
|
|
|
2321 const unsigned __mth = __mp + (__mp < 10 ? 3 : -9); // [1, 12]
|
|
|
2322 return year_month_day{chrono::year{__yr + (__mth <= 2)}, chrono::month{__mth}, chrono::day{__dy}};
|
|
|
2323 }
|
|
|
2324
|
|
|
2325 // https://howardhinnant.github.io/date_algorithms.html#days_from_civil
|
|
|
2326 inline constexpr days year_month_day::__to_days() const noexcept
|
|
|
2327 {
|
|
|
2328 static_assert(std::numeric_limits<unsigned>::digits >= 18, "");
|
|
|
2329 static_assert(std::numeric_limits<int>::digits >= 20 , "");
|
|
|
2330
|
|
|
2331 const int __yr = static_cast<int>(__y) - (__m <= February);
|
|
|
2332 const unsigned __mth = static_cast<unsigned>(__m);
|
|
|
2333 const unsigned __dy = static_cast<unsigned>(__d);
|
|
|
2334
|
|
|
2335 const int __era = (__yr >= 0 ? __yr : __yr - 399) / 400;
|
|
|
2336 const unsigned __yoe = static_cast<unsigned>(__yr - __era * 400); // [0, 399]
|
|
|
2337 const unsigned __doy = (153 * (__mth + (__mth > 2 ? -3 : 9)) + 2) / 5 + __dy-1; // [0, 365]
|
|
|
2338 const unsigned __doe = __yoe * 365 + __yoe/4 - __yoe/100 + __doy; // [0, 146096]
|
|
|
2339 return days{__era * 146097 + static_cast<int>(__doe) - 719468};
|
|
|
2340 }
|
|
|
2341
|
|
|
2342 inline constexpr
|
|
|
2343 bool operator==(const year_month_day& __lhs, const year_month_day& __rhs) noexcept
|
|
|
2344 { return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month() && __lhs.day() == __rhs.day(); }
|
|
|
2345
|
|
|
2346 inline constexpr
|
|
|
2347 bool operator!=(const year_month_day& __lhs, const year_month_day& __rhs) noexcept
|
|
|
2348 { return !(__lhs == __rhs); }
|
|
|
2349
|
|
|
2350 inline constexpr
|
|
|
2351 bool operator< (const year_month_day& __lhs, const year_month_day& __rhs) noexcept
|
|
|
2352 {
|
|
|
2353 if (__lhs.year() < __rhs.year()) return true;
|
|
|
2354 if (__lhs.year() > __rhs.year()) return false;
|
|
|
2355 if (__lhs.month() < __rhs.month()) return true;
|
|
|
2356 if (__lhs.month() > __rhs.month()) return false;
|
|
|
2357 return __lhs.day() < __rhs.day();
|
|
|
2358 }
|
|
|
2359
|
|
|
2360 inline constexpr
|
|
|
2361 bool operator> (const year_month_day& __lhs, const year_month_day& __rhs) noexcept
|
|
|
2362 { return __rhs < __lhs; }
|
|
|
2363
|
|
|
2364 inline constexpr
|
|
|
2365 bool operator<=(const year_month_day& __lhs, const year_month_day& __rhs) noexcept
|
|
|
2366 { return !(__rhs < __lhs);}
|
|
|
2367
|
|
|
2368 inline constexpr
|
|
|
2369 bool operator>=(const year_month_day& __lhs, const year_month_day& __rhs) noexcept
|
|
|
2370 { return !(__lhs < __rhs); }
|
|
|
2371
|
|
|
2372 inline constexpr
|
|
|
2373 year_month_day operator/(const year_month& __lhs, const day& __rhs) noexcept
|
|
|
2374 { return year_month_day{__lhs.year(), __lhs.month(), __rhs}; }
|
|
|
2375
|
|
|
2376 inline constexpr
|
|
|
2377 year_month_day operator/(const year_month& __lhs, int __rhs) noexcept
|
|
|
2378 { return __lhs / day(__rhs); }
|
|
|
2379
|
|
|
2380 inline constexpr
|
|
|
2381 year_month_day operator/(const year& __lhs, const month_day& __rhs) noexcept
|
|
|
2382 { return __lhs / __rhs.month() / __rhs.day(); }
|
|
|
2383
|
|
|
2384 inline constexpr
|
|
|
2385 year_month_day operator/(int __lhs, const month_day& __rhs) noexcept
|
|
|
2386 { return year(__lhs) / __rhs; }
|
|
|
2387
|
|
|
2388 inline constexpr
|
|
|
2389 year_month_day operator/(const month_day& __lhs, const year& __rhs) noexcept
|
|
|
2390 { return __rhs / __lhs; }
|
|
|
2391
|
|
|
2392 inline constexpr
|
|
|
2393 year_month_day operator/(const month_day& __lhs, int __rhs) noexcept
|
|
|
2394 { return year(__rhs) / __lhs; }
|
|
|
2395
|
|
|
2396
|
|
|
2397 inline constexpr
|
|
|
2398 year_month_day operator+(const year_month_day& __lhs, const months& __rhs) noexcept
|
|
|
2399 { return (__lhs.year()/__lhs.month() + __rhs)/__lhs.day(); }
|
|
|
2400
|
|
|
2401 inline constexpr
|
|
|
2402 year_month_day operator+(const months& __lhs, const year_month_day& __rhs) noexcept
|
|
|
2403 { return __rhs + __lhs; }
|
|
|
2404
|
|
|
2405 inline constexpr
|
|
|
2406 year_month_day operator-(const year_month_day& __lhs, const months& __rhs) noexcept
|
|
|
2407 { return __lhs + -__rhs; }
|
|
|
2408
|
|
|
2409 inline constexpr
|
|
|
2410 year_month_day operator+(const year_month_day& __lhs, const years& __rhs) noexcept
|
|
|
2411 { return (__lhs.year() + __rhs) / __lhs.month() / __lhs.day(); }
|
|
|
2412
|
|
|
2413 inline constexpr
|
|
|
2414 year_month_day operator+(const years& __lhs, const year_month_day& __rhs) noexcept
|
|
|
2415 { return __rhs + __lhs; }
|
|
|
2416
|
|
|
2417 inline constexpr
|
|
|
2418 year_month_day operator-(const year_month_day& __lhs, const years& __rhs) noexcept
|
|
|
2419 { return __lhs + -__rhs; }
|
|
|
2420
|
|
|
2421 inline constexpr year_month_day& year_month_day::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; }
|
|
|
2422 inline constexpr year_month_day& year_month_day::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; }
|
|
|
2423 inline constexpr year_month_day& year_month_day::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; }
|
|
|
2424 inline constexpr year_month_day& year_month_day::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; }
|
|
|
2425
|
|
|
2426 class year_month_day_last {
|
|
|
2427 private:
|
|
|
2428 chrono::year __y;
|
|
|
2429 chrono::month_day_last __mdl;
|
|
|
2430 public:
|
|
|
2431 constexpr year_month_day_last(const year& __yval, const month_day_last& __mdlval) noexcept
|
|
|
2432 : __y{__yval}, __mdl{__mdlval} {}
|
|
|
2433
|
|
|
2434 constexpr year_month_day_last& operator+=(const months& __m) noexcept;
|
|
|
2435 constexpr year_month_day_last& operator-=(const months& __m) noexcept;
|
|
|
2436 constexpr year_month_day_last& operator+=(const years& __y) noexcept;
|
|
|
2437 constexpr year_month_day_last& operator-=(const years& __y) noexcept;
|
|
|
2438
|
|
|
2439 inline constexpr chrono::year year() const noexcept { return __y; }
|
|
|
2440 inline constexpr chrono::month month() const noexcept { return __mdl.month(); }
|
|
|
2441 inline constexpr chrono::month_day_last month_day_last() const noexcept { return __mdl; }
|
|
|
2442 constexpr chrono::day day() const noexcept;
|
|
|
2443 inline constexpr operator sys_days() const noexcept { return sys_days{year()/month()/day()}; }
|
|
|
2444 inline explicit constexpr operator local_days() const noexcept { return local_days{year()/month()/day()}; }
|
|
|
2445 inline constexpr bool ok() const noexcept { return __y.ok() && __mdl.ok(); }
|
|
|
2446 };
|
|
|
2447
|
|
|
2448 inline constexpr
|
|
|
2449 chrono::day year_month_day_last::day() const noexcept
|
|
|
2450 {
|
|
|
2451 constexpr chrono::day __d[] =
|
|
|
2452 {
|
|
|
2453 chrono::day(31), chrono::day(28), chrono::day(31),
|
|
|
2454 chrono::day(30), chrono::day(31), chrono::day(30),
|
|
|
2455 chrono::day(31), chrono::day(31), chrono::day(30),
|
|
|
2456 chrono::day(31), chrono::day(30), chrono::day(31)
|
|
|
2457 };
|
|
173
|
2458 _LIBCPP_ASSERT(ok(), "year_month_day_last::day(): year_month_day_last is invalid");
|
|
150
|
2459 return month() != February || !__y.is_leap() ?
|
|
|
2460 __d[static_cast<unsigned>(month()) - 1] : chrono::day{29};
|
|
|
2461 }
|
|
|
2462
|
|
|
2463 inline constexpr
|
|
|
2464 bool operator==(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
|
|
|
2465 { return __lhs.year() == __rhs.year() && __lhs.month_day_last() == __rhs.month_day_last(); }
|
|
|
2466
|
|
|
2467 inline constexpr
|
|
|
2468 bool operator!=(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
|
|
|
2469 { return !(__lhs == __rhs); }
|
|
|
2470
|
|
|
2471 inline constexpr
|
|
|
2472 bool operator< (const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
|
|
|
2473 {
|
|
|
2474 if (__lhs.year() < __rhs.year()) return true;
|
|
|
2475 if (__lhs.year() > __rhs.year()) return false;
|
|
|
2476 return __lhs.month_day_last() < __rhs.month_day_last();
|
|
|
2477 }
|
|
|
2478
|
|
|
2479 inline constexpr
|
|
|
2480 bool operator> (const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
|
|
|
2481 { return __rhs < __lhs; }
|
|
|
2482
|
|
|
2483 inline constexpr
|
|
|
2484 bool operator<=(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
|
|
|
2485 { return !(__rhs < __lhs);}
|
|
|
2486
|
|
|
2487 inline constexpr
|
|
|
2488 bool operator>=(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
|
|
|
2489 { return !(__lhs < __rhs); }
|
|
|
2490
|
|
|
2491 inline constexpr year_month_day_last operator/(const year_month& __lhs, last_spec) noexcept
|
|
|
2492 { return year_month_day_last{__lhs.year(), month_day_last{__lhs.month()}}; }
|
|
|
2493
|
|
|
2494 inline constexpr year_month_day_last operator/(const year& __lhs, const month_day_last& __rhs) noexcept
|
|
|
2495 { return year_month_day_last{__lhs, __rhs}; }
|
|
|
2496
|
|
|
2497 inline constexpr year_month_day_last operator/(int __lhs, const month_day_last& __rhs) noexcept
|
|
|
2498 { return year_month_day_last{year{__lhs}, __rhs}; }
|
|
|
2499
|
|
|
2500 inline constexpr year_month_day_last operator/(const month_day_last& __lhs, const year& __rhs) noexcept
|
|
|
2501 { return __rhs / __lhs; }
|
|
|
2502
|
|
|
2503 inline constexpr year_month_day_last operator/(const month_day_last& __lhs, int __rhs) noexcept
|
|
|
2504 { return year{__rhs} / __lhs; }
|
|
|
2505
|
|
|
2506
|
|
|
2507 inline constexpr
|
|
|
2508 year_month_day_last operator+(const year_month_day_last& __lhs, const months& __rhs) noexcept
|
|
|
2509 { return (__lhs.year() / __lhs.month() + __rhs) / last; }
|
|
|
2510
|
|
|
2511 inline constexpr
|
|
|
2512 year_month_day_last operator+(const months& __lhs, const year_month_day_last& __rhs) noexcept
|
|
|
2513 { return __rhs + __lhs; }
|
|
|
2514
|
|
|
2515 inline constexpr
|
|
|
2516 year_month_day_last operator-(const year_month_day_last& __lhs, const months& __rhs) noexcept
|
|
|
2517 { return __lhs + (-__rhs); }
|
|
|
2518
|
|
|
2519 inline constexpr
|
|
|
2520 year_month_day_last operator+(const year_month_day_last& __lhs, const years& __rhs) noexcept
|
|
|
2521 { return year_month_day_last{__lhs.year() + __rhs, __lhs.month_day_last()}; }
|
|
|
2522
|
|
|
2523 inline constexpr
|
|
|
2524 year_month_day_last operator+(const years& __lhs, const year_month_day_last& __rhs) noexcept
|
|
|
2525 { return __rhs + __lhs; }
|
|
|
2526
|
|
|
2527 inline constexpr
|
|
|
2528 year_month_day_last operator-(const year_month_day_last& __lhs, const years& __rhs) noexcept
|
|
|
2529 { return __lhs + (-__rhs); }
|
|
|
2530
|
|
|
2531 inline constexpr year_month_day_last& year_month_day_last::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; }
|
|
|
2532 inline constexpr year_month_day_last& year_month_day_last::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; }
|
|
|
2533 inline constexpr year_month_day_last& year_month_day_last::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; }
|
|
|
2534 inline constexpr year_month_day_last& year_month_day_last::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; }
|
|
|
2535
|
|
|
2536 inline constexpr year_month_day::year_month_day(const year_month_day_last& __ymdl) noexcept
|
|
|
2537 : __y{__ymdl.year()}, __m{__ymdl.month()}, __d{__ymdl.day()} {}
|
|
|
2538
|
|
|
2539 inline constexpr bool year_month_day::ok() const noexcept
|
|
|
2540 {
|
|
|
2541 if (!__y.ok() || !__m.ok()) return false;
|
|
|
2542 return chrono::day{1} <= __d && __d <= (__y / __m / last).day();
|
|
|
2543 }
|
|
|
2544
|
|
|
2545 class year_month_weekday {
|
|
|
2546 chrono::year __y;
|
|
|
2547 chrono::month __m;
|
|
|
2548 chrono::weekday_indexed __wdi;
|
|
|
2549 public:
|
|
|
2550 year_month_weekday() = default;
|
|
|
2551 constexpr year_month_weekday(const chrono::year& __yval, const chrono::month& __mval,
|
|
|
2552 const chrono::weekday_indexed& __wdival) noexcept
|
|
|
2553 : __y{__yval}, __m{__mval}, __wdi{__wdival} {}
|
|
|
2554 constexpr year_month_weekday(const sys_days& __sysd) noexcept
|
|
|
2555 : year_month_weekday(__from_days(__sysd.time_since_epoch())) {}
|
|
|
2556 inline explicit constexpr year_month_weekday(const local_days& __locd) noexcept
|
|
|
2557 : year_month_weekday(__from_days(__locd.time_since_epoch())) {}
|
|
|
2558 constexpr year_month_weekday& operator+=(const months& m) noexcept;
|
|
|
2559 constexpr year_month_weekday& operator-=(const months& m) noexcept;
|
|
|
2560 constexpr year_month_weekday& operator+=(const years& y) noexcept;
|
|
|
2561 constexpr year_month_weekday& operator-=(const years& y) noexcept;
|
|
|
2562
|
|
|
2563 inline constexpr chrono::year year() const noexcept { return __y; }
|
|
|
2564 inline constexpr chrono::month month() const noexcept { return __m; }
|
|
|
2565 inline constexpr chrono::weekday weekday() const noexcept { return __wdi.weekday(); }
|
|
|
2566 inline constexpr unsigned index() const noexcept { return __wdi.index(); }
|
|
|
2567 inline constexpr chrono::weekday_indexed weekday_indexed() const noexcept { return __wdi; }
|
|
|
2568
|
|
|
2569 inline constexpr operator sys_days() const noexcept { return sys_days{__to_days()}; }
|
|
|
2570 inline explicit constexpr operator local_days() const noexcept { return local_days{__to_days()}; }
|
|
|
2571 inline constexpr bool ok() const noexcept
|
|
|
2572 {
|
|
|
2573 if (!__y.ok() || !__m.ok() || !__wdi.ok()) return false;
|
|
|
2574 if (__wdi.index() <= 4) return true;
|
|
|
2575 auto __nth_weekday_day =
|
|
|
2576 __wdi.weekday() -
|
|
|
2577 chrono::weekday{static_cast<sys_days>(__y / __m / 1)} +
|
|
|
2578 days{(__wdi.index() - 1) * 7 + 1};
|
|
|
2579 return static_cast<unsigned>(__nth_weekday_day.count()) <=
|
|
|
2580 static_cast<unsigned>((__y / __m / last).day());
|
|
|
2581 }
|
|
|
2582
|
|
|
2583 static constexpr year_month_weekday __from_days(days __d) noexcept;
|
|
|
2584 constexpr days __to_days() const noexcept;
|
|
|
2585 };
|
|
|
2586
|
|
|
2587 inline constexpr
|
|
|
2588 year_month_weekday year_month_weekday::__from_days(days __d) noexcept
|
|
|
2589 {
|
|
|
2590 const sys_days __sysd{__d};
|
|
|
2591 const chrono::weekday __wd = chrono::weekday(__sysd);
|
|
|
2592 const year_month_day __ymd = year_month_day(__sysd);
|
|
|
2593 return year_month_weekday{__ymd.year(), __ymd.month(),
|
|
|
2594 __wd[(static_cast<unsigned>(__ymd.day())-1)/7+1]};
|
|
|
2595 }
|
|
|
2596
|
|
|
2597 inline constexpr
|
|
|
2598 days year_month_weekday::__to_days() const noexcept
|
|
|
2599 {
|
|
|
2600 const sys_days __sysd = sys_days(__y/__m/1);
|
|
|
2601 return (__sysd + (__wdi.weekday() - chrono::weekday(__sysd) + days{(__wdi.index()-1)*7}))
|
|
|
2602 .time_since_epoch();
|
|
|
2603 }
|
|
|
2604
|
|
|
2605 inline constexpr
|
|
|
2606 bool operator==(const year_month_weekday& __lhs, const year_month_weekday& __rhs) noexcept
|
|
|
2607 { return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month() && __lhs.weekday_indexed() == __rhs.weekday_indexed(); }
|
|
|
2608
|
|
|
2609 inline constexpr
|
|
|
2610 bool operator!=(const year_month_weekday& __lhs, const year_month_weekday& __rhs) noexcept
|
|
|
2611 { return !(__lhs == __rhs); }
|
|
|
2612
|
|
|
2613 inline constexpr
|
|
|
2614 year_month_weekday operator/(const year_month& __lhs, const weekday_indexed& __rhs) noexcept
|
|
|
2615 { return year_month_weekday{__lhs.year(), __lhs.month(), __rhs}; }
|
|
|
2616
|
|
|
2617 inline constexpr
|
|
|
2618 year_month_weekday operator/(const year& __lhs, const month_weekday& __rhs) noexcept
|
|
|
2619 { return year_month_weekday{__lhs, __rhs.month(), __rhs.weekday_indexed()}; }
|
|
|
2620
|
|
|
2621 inline constexpr
|
|
|
2622 year_month_weekday operator/(int __lhs, const month_weekday& __rhs) noexcept
|
|
|
2623 { return year(__lhs) / __rhs; }
|
|
|
2624
|
|
|
2625 inline constexpr
|
|
|
2626 year_month_weekday operator/(const month_weekday& __lhs, const year& __rhs) noexcept
|
|
|
2627 { return __rhs / __lhs; }
|
|
|
2628
|
|
|
2629 inline constexpr
|
|
|
2630 year_month_weekday operator/(const month_weekday& __lhs, int __rhs) noexcept
|
|
|
2631 { return year(__rhs) / __lhs; }
|
|
|
2632
|
|
|
2633
|
|
|
2634 inline constexpr
|
|
|
2635 year_month_weekday operator+(const year_month_weekday& __lhs, const months& __rhs) noexcept
|
|
|
2636 { return (__lhs.year() / __lhs.month() + __rhs) / __lhs.weekday_indexed(); }
|
|
|
2637
|
|
|
2638 inline constexpr
|
|
|
2639 year_month_weekday operator+(const months& __lhs, const year_month_weekday& __rhs) noexcept
|
|
|
2640 { return __rhs + __lhs; }
|
|
|
2641
|
|
|
2642 inline constexpr
|
|
|
2643 year_month_weekday operator-(const year_month_weekday& __lhs, const months& __rhs) noexcept
|
|
|
2644 { return __lhs + (-__rhs); }
|
|
|
2645
|
|
|
2646 inline constexpr
|
|
|
2647 year_month_weekday operator+(const year_month_weekday& __lhs, const years& __rhs) noexcept
|
|
|
2648 { return year_month_weekday{__lhs.year() + __rhs, __lhs.month(), __lhs.weekday_indexed()}; }
|
|
|
2649
|
|
|
2650 inline constexpr
|
|
|
2651 year_month_weekday operator+(const years& __lhs, const year_month_weekday& __rhs) noexcept
|
|
|
2652 { return __rhs + __lhs; }
|
|
|
2653
|
|
|
2654 inline constexpr
|
|
|
2655 year_month_weekday operator-(const year_month_weekday& __lhs, const years& __rhs) noexcept
|
|
|
2656 { return __lhs + (-__rhs); }
|
|
|
2657
|
|
|
2658
|
|
|
2659 inline constexpr year_month_weekday& year_month_weekday::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; }
|
|
|
2660 inline constexpr year_month_weekday& year_month_weekday::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; }
|
|
|
2661 inline constexpr year_month_weekday& year_month_weekday::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; }
|
|
|
2662 inline constexpr year_month_weekday& year_month_weekday::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; }
|
|
|
2663
|
|
|
2664 class year_month_weekday_last {
|
|
|
2665 private:
|
|
|
2666 chrono::year __y;
|
|
|
2667 chrono::month __m;
|
|
|
2668 chrono::weekday_last __wdl;
|
|
|
2669 public:
|
|
|
2670 constexpr year_month_weekday_last(const chrono::year& __yval, const chrono::month& __mval,
|
|
|
2671 const chrono::weekday_last& __wdlval) noexcept
|
|
|
2672 : __y{__yval}, __m{__mval}, __wdl{__wdlval} {}
|
|
|
2673 constexpr year_month_weekday_last& operator+=(const months& __dm) noexcept;
|
|
|
2674 constexpr year_month_weekday_last& operator-=(const months& __dm) noexcept;
|
|
|
2675 constexpr year_month_weekday_last& operator+=(const years& __dy) noexcept;
|
|
|
2676 constexpr year_month_weekday_last& operator-=(const years& __dy) noexcept;
|
|
|
2677
|
|
|
2678 inline constexpr chrono::year year() const noexcept { return __y; }
|
|
|
2679 inline constexpr chrono::month month() const noexcept { return __m; }
|
|
|
2680 inline constexpr chrono::weekday weekday() const noexcept { return __wdl.weekday(); }
|
|
|
2681 inline constexpr chrono::weekday_last weekday_last() const noexcept { return __wdl; }
|
|
|
2682 inline constexpr operator sys_days() const noexcept { return sys_days{__to_days()}; }
|
|
|
2683 inline explicit constexpr operator local_days() const noexcept { return local_days{__to_days()}; }
|
|
|
2684 inline constexpr bool ok() const noexcept { return __y.ok() && __m.ok() && __wdl.ok(); }
|
|
|
2685
|
|
|
2686 constexpr days __to_days() const noexcept;
|
|
|
2687
|
|
|
2688 };
|
|
|
2689
|
|
|
2690 inline constexpr
|
|
|
2691 days year_month_weekday_last::__to_days() const noexcept
|
|
|
2692 {
|
|
|
2693 const sys_days __last = sys_days{__y/__m/last};
|
|
|
2694 return (__last - (chrono::weekday{__last} - __wdl.weekday())).time_since_epoch();
|
|
|
2695
|
|
|
2696 }
|
|
|
2697
|
|
|
2698 inline constexpr
|
|
|
2699 bool operator==(const year_month_weekday_last& __lhs, const year_month_weekday_last& __rhs) noexcept
|
|
|
2700 { return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month() && __lhs.weekday_last() == __rhs.weekday_last(); }
|
|
|
2701
|
|
|
2702 inline constexpr
|
|
|
2703 bool operator!=(const year_month_weekday_last& __lhs, const year_month_weekday_last& __rhs) noexcept
|
|
|
2704 { return !(__lhs == __rhs); }
|
|
|
2705
|
|
|
2706
|
|
|
2707 inline constexpr
|
|
|
2708 year_month_weekday_last operator/(const year_month& __lhs, const weekday_last& __rhs) noexcept
|
|
|
2709 { return year_month_weekday_last{__lhs.year(), __lhs.month(), __rhs}; }
|
|
|
2710
|
|
|
2711 inline constexpr
|
|
|
2712 year_month_weekday_last operator/(const year& __lhs, const month_weekday_last& __rhs) noexcept
|
|
|
2713 { return year_month_weekday_last{__lhs, __rhs.month(), __rhs.weekday_last()}; }
|
|
|
2714
|
|
|
2715 inline constexpr
|
|
|
2716 year_month_weekday_last operator/(int __lhs, const month_weekday_last& __rhs) noexcept
|
|
|
2717 { return year(__lhs) / __rhs; }
|
|
|
2718
|
|
|
2719 inline constexpr
|
|
|
2720 year_month_weekday_last operator/(const month_weekday_last& __lhs, const year& __rhs) noexcept
|
|
|
2721 { return __rhs / __lhs; }
|
|
|
2722
|
|
|
2723 inline constexpr
|
|
|
2724 year_month_weekday_last operator/(const month_weekday_last& __lhs, int __rhs) noexcept
|
|
|
2725 { return year(__rhs) / __lhs; }
|
|
|
2726
|
|
|
2727
|
|
|
2728 inline constexpr
|
|
|
2729 year_month_weekday_last operator+(const year_month_weekday_last& __lhs, const months& __rhs) noexcept
|
|
|
2730 { return (__lhs.year() / __lhs.month() + __rhs) / __lhs.weekday_last(); }
|
|
|
2731
|
|
|
2732 inline constexpr
|
|
|
2733 year_month_weekday_last operator+(const months& __lhs, const year_month_weekday_last& __rhs) noexcept
|
|
|
2734 { return __rhs + __lhs; }
|
|
|
2735
|
|
|
2736 inline constexpr
|
|
|
2737 year_month_weekday_last operator-(const year_month_weekday_last& __lhs, const months& __rhs) noexcept
|
|
|
2738 { return __lhs + (-__rhs); }
|
|
|
2739
|
|
|
2740 inline constexpr
|
|
|
2741 year_month_weekday_last operator+(const year_month_weekday_last& __lhs, const years& __rhs) noexcept
|
|
|
2742 { return year_month_weekday_last{__lhs.year() + __rhs, __lhs.month(), __lhs.weekday_last()}; }
|
|
|
2743
|
|
|
2744 inline constexpr
|
|
|
2745 year_month_weekday_last operator+(const years& __lhs, const year_month_weekday_last& __rhs) noexcept
|
|
|
2746 { return __rhs + __lhs; }
|
|
|
2747
|
|
|
2748 inline constexpr
|
|
|
2749 year_month_weekday_last operator-(const year_month_weekday_last& __lhs, const years& __rhs) noexcept
|
|
|
2750 { return __lhs + (-__rhs); }
|
|
|
2751
|
|
|
2752 inline constexpr year_month_weekday_last& year_month_weekday_last::operator+=(const months& __dm) noexcept { *this = *this + __dm; return *this; }
|
|
|
2753 inline constexpr year_month_weekday_last& year_month_weekday_last::operator-=(const months& __dm) noexcept { *this = *this - __dm; return *this; }
|
|
|
2754 inline constexpr year_month_weekday_last& year_month_weekday_last::operator+=(const years& __dy) noexcept { *this = *this + __dy; return *this; }
|
|
|
2755 inline constexpr year_month_weekday_last& year_month_weekday_last::operator-=(const years& __dy) noexcept { *this = *this - __dy; return *this; }
|
|
|
2756
|
|
|
2757
|
|
|
2758 template <class _Duration>
|
|
|
2759 class hh_mm_ss
|
|
|
2760 {
|
|
|
2761 private:
|
|
|
2762 static_assert(__is_duration<_Duration>::value, "template parameter of hh_mm_ss must be a std::chrono::duration");
|
|
|
2763 using __CommonType = common_type_t<_Duration, chrono::seconds>;
|
|
|
2764
|
|
|
2765 static constexpr uint64_t __pow10(unsigned __exp)
|
|
|
2766 {
|
|
|
2767 uint64_t __ret = 1;
|
|
|
2768 for (unsigned __i = 0; __i < __exp; ++__i)
|
|
|
2769 __ret *= 10U;
|
|
|
2770 return __ret;
|
|
|
2771 }
|
|
|
2772
|
|
|
2773 static constexpr unsigned __width(uint64_t __n, uint64_t __d = 10, unsigned __w = 0)
|
|
|
2774 {
|
|
|
2775 if (__n >= 2 && __d != 0 && __w < 19)
|
|
|
2776 return 1 + __width(__n, __d % __n * 10, __w+1);
|
|
|
2777 return 0;
|
|
|
2778 }
|
|
|
2779
|
|
|
2780 public:
|
|
|
2781 static unsigned constexpr fractional_width = __width(__CommonType::period::den) < 19 ?
|
|
|
2782 __width(__CommonType::period::den) : 6u;
|
|
|
2783 using precision = duration<typename __CommonType::rep, ratio<1, __pow10(fractional_width)>>;
|
|
|
2784
|
|
|
2785 constexpr hh_mm_ss() noexcept : hh_mm_ss{_Duration::zero()} {}
|
|
|
2786
|
|
|
2787 constexpr explicit hh_mm_ss(_Duration __d) noexcept :
|
|
|
2788 __is_neg(__d < _Duration(0)),
|
|
|
2789 __h(duration_cast<chrono::hours> (abs(__d))),
|
|
|
2790 __m(duration_cast<chrono::minutes>(abs(__d) - hours())),
|
|
|
2791 __s(duration_cast<chrono::seconds>(abs(__d) - hours() - minutes())),
|
|
|
2792 __f(duration_cast<precision> (abs(__d) - hours() - minutes() - seconds()))
|
|
|
2793 {}
|
|
|
2794
|
|
|
2795 constexpr bool is_negative() const noexcept { return __is_neg; }
|
|
|
2796 constexpr chrono::hours hours() const noexcept { return __h; }
|
|
|
2797 constexpr chrono::minutes minutes() const noexcept { return __m; }
|
|
|
2798 constexpr chrono::seconds seconds() const noexcept { return __s; }
|
|
|
2799 constexpr precision subseconds() const noexcept { return __f; }
|
|
|
2800
|
|
|
2801 constexpr precision to_duration() const noexcept
|
|
|
2802 {
|
|
|
2803 auto __dur = __h + __m + __s + __f;
|
|
|
2804 return __is_neg ? -__dur : __dur;
|
|
|
2805 }
|
|
|
2806
|
|
|
2807 constexpr explicit operator precision() const noexcept { return to_duration(); }
|
|
|
2808
|
|
|
2809 private:
|
|
|
2810 bool __is_neg;
|
|
|
2811 chrono::hours __h;
|
|
|
2812 chrono::minutes __m;
|
|
|
2813 chrono::seconds __s;
|
|
|
2814 precision __f;
|
|
|
2815 };
|
|
|
2816
|
|
|
2817 constexpr bool is_am(const hours& __h) noexcept { return __h >= hours( 0) && __h < hours(12); }
|
|
|
2818 constexpr bool is_pm(const hours& __h) noexcept { return __h >= hours(12) && __h < hours(24); }
|
|
|
2819
|
|
|
2820 constexpr hours make12(const hours& __h) noexcept
|
|
|
2821 {
|
|
|
2822 if (__h == hours( 0)) return hours(12);
|
|
|
2823 else if (__h <= hours(12)) return __h;
|
|
|
2824 else return __h - hours(12);
|
|
|
2825 }
|
|
|
2826
|
|
|
2827 constexpr hours make24(const hours& __h, bool __is_pm) noexcept
|
|
|
2828 {
|
|
|
2829 if (__is_pm)
|
|
|
2830 return __h == hours(12) ? __h : __h + hours(12);
|
|
|
2831 else
|
|
|
2832 return __h == hours(12) ? hours(0) : __h;
|
|
|
2833 }
|
|
|
2834
|
|
|
2835 #endif // _LIBCPP_STD_VER > 17
|
|
|
2836 } // chrono
|
|
|
2837
|
|
|
2838 #if _LIBCPP_STD_VER > 11
|
|
|
2839 // Suffixes for duration literals [time.duration.literals]
|
|
|
2840 inline namespace literals
|
|
|
2841 {
|
|
|
2842 inline namespace chrono_literals
|
|
|
2843 {
|
|
|
2844
|
|
|
2845 constexpr chrono::hours operator""h(unsigned long long __h)
|
|
|
2846 {
|
|
|
2847 return chrono::hours(static_cast<chrono::hours::rep>(__h));
|
|
|
2848 }
|
|
|
2849
|
|
|
2850 constexpr chrono::duration<long double, ratio<3600,1>> operator""h(long double __h)
|
|
|
2851 {
|
|
|
2852 return chrono::duration<long double, ratio<3600,1>>(__h);
|
|
|
2853 }
|
|
|
2854
|
|
|
2855
|
|
|
2856 constexpr chrono::minutes operator""min(unsigned long long __m)
|
|
|
2857 {
|
|
|
2858 return chrono::minutes(static_cast<chrono::minutes::rep>(__m));
|
|
|
2859 }
|
|
|
2860
|
|
|
2861 constexpr chrono::duration<long double, ratio<60,1>> operator""min(long double __m)
|
|
|
2862 {
|
|
|
2863 return chrono::duration<long double, ratio<60,1>> (__m);
|
|
|
2864 }
|
|
|
2865
|
|
|
2866
|
|
|
2867 constexpr chrono::seconds operator""s(unsigned long long __s)
|
|
|
2868 {
|
|
|
2869 return chrono::seconds(static_cast<chrono::seconds::rep>(__s));
|
|
|
2870 }
|
|
|
2871
|
|
|
2872 constexpr chrono::duration<long double> operator""s(long double __s)
|
|
|
2873 {
|
|
|
2874 return chrono::duration<long double> (__s);
|
|
|
2875 }
|
|
|
2876
|
|
|
2877
|
|
|
2878 constexpr chrono::milliseconds operator""ms(unsigned long long __ms)
|
|
|
2879 {
|
|
|
2880 return chrono::milliseconds(static_cast<chrono::milliseconds::rep>(__ms));
|
|
|
2881 }
|
|
|
2882
|
|
|
2883 constexpr chrono::duration<long double, milli> operator""ms(long double __ms)
|
|
|
2884 {
|
|
|
2885 return chrono::duration<long double, milli>(__ms);
|
|
|
2886 }
|
|
|
2887
|
|
|
2888
|
|
|
2889 constexpr chrono::microseconds operator""us(unsigned long long __us)
|
|
|
2890 {
|
|
|
2891 return chrono::microseconds(static_cast<chrono::microseconds::rep>(__us));
|
|
|
2892 }
|
|
|
2893
|
|
|
2894 constexpr chrono::duration<long double, micro> operator""us(long double __us)
|
|
|
2895 {
|
|
|
2896 return chrono::duration<long double, micro> (__us);
|
|
|
2897 }
|
|
|
2898
|
|
|
2899
|
|
|
2900 constexpr chrono::nanoseconds operator""ns(unsigned long long __ns)
|
|
|
2901 {
|
|
|
2902 return chrono::nanoseconds(static_cast<chrono::nanoseconds::rep>(__ns));
|
|
|
2903 }
|
|
|
2904
|
|
|
2905 constexpr chrono::duration<long double, nano> operator""ns(long double __ns)
|
|
|
2906 {
|
|
|
2907 return chrono::duration<long double, nano> (__ns);
|
|
|
2908 }
|
|
|
2909
|
|
|
2910 #if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CXX20_CHRONO_LITERALS)
|
|
|
2911 constexpr chrono::day operator ""d(unsigned long long __d) noexcept
|
|
|
2912 {
|
|
|
2913 return chrono::day(static_cast<unsigned>(__d));
|
|
|
2914 }
|
|
|
2915
|
|
|
2916 constexpr chrono::year operator ""y(unsigned long long __y) noexcept
|
|
|
2917 {
|
|
|
2918 return chrono::year(static_cast<int>(__y));
|
|
|
2919 }
|
|
|
2920 #endif
|
|
|
2921 }}
|
|
|
2922
|
|
|
2923 namespace chrono { // hoist the literals into namespace std::chrono
|
|
|
2924 using namespace literals::chrono_literals;
|
|
|
2925 }
|
|
|
2926
|
|
|
2927 #endif
|
|
|
2928
|
|
|
2929 _LIBCPP_END_NAMESPACE_STD
|
|
|
2930
|
|
|
2931 #ifndef _LIBCPP_CXX03_LANG
|
|
|
2932 _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM
|
|
|
2933 struct _FilesystemClock {
|
|
|
2934 #if !defined(_LIBCPP_HAS_NO_INT128)
|
|
|
2935 typedef __int128_t rep;
|
|
|
2936 typedef nano period;
|
|
|
2937 #else
|
|
|
2938 typedef long long rep;
|
|
|
2939 typedef nano period;
|
|
|
2940 #endif
|
|
|
2941
|
|
|
2942 typedef chrono::duration<rep, period> duration;
|
|
|
2943 typedef chrono::time_point<_FilesystemClock> time_point;
|
|
|
2944
|
|
|
2945 _LIBCPP_EXPORTED_FROM_ABI
|
|
|
2946 static _LIBCPP_CONSTEXPR_AFTER_CXX11 const bool is_steady = false;
|
|
|
2947
|
|
|
2948 _LIBCPP_AVAILABILITY_FILESYSTEM _LIBCPP_FUNC_VIS static time_point now() noexcept;
|
|
|
2949
|
|
|
2950 _LIBCPP_INLINE_VISIBILITY
|
|
|
2951 static time_t to_time_t(const time_point& __t) noexcept {
|
|
|
2952 typedef chrono::duration<rep> __secs;
|
|
|
2953 return time_t(
|
|
|
2954 chrono::duration_cast<__secs>(__t.time_since_epoch()).count());
|
|
|
2955 }
|
|
|
2956
|
|
|
2957 _LIBCPP_INLINE_VISIBILITY
|
|
|
2958 static time_point from_time_t(time_t __t) noexcept {
|
|
|
2959 typedef chrono::duration<rep> __secs;
|
|
|
2960 return time_point(__secs(__t));
|
|
|
2961 }
|
|
|
2962 };
|
|
|
2963 _LIBCPP_END_NAMESPACE_FILESYSTEM
|
|
|
2964 #endif // !_LIBCPP_CXX03_LANG
|
|
|
2965
|
|
|
2966 _LIBCPP_POP_MACROS
|
|
|
2967
|
|
|
2968 #endif // _LIBCPP_CHRONO
|
