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Diffstat (limited to 'third_party/libcxx/include/c++/v1/ratio')
| -rw-r--r-- | third_party/libcxx/include/c++/v1/ratio | 499 |
1 files changed, 0 insertions, 499 deletions
diff --git a/third_party/libcxx/include/c++/v1/ratio b/third_party/libcxx/include/c++/v1/ratio deleted file mode 100644 index bf54cd0..0000000 --- a/third_party/libcxx/include/c++/v1/ratio +++ /dev/null @@ -1,499 +0,0 @@ -// -*- C++ -*- -//===----------------------------------------------------------------------===// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// - -#ifndef _LIBCPP_RATIO -#define _LIBCPP_RATIO - -/* - ratio synopsis - -namespace std -{ - -template <intmax_t N, intmax_t D = 1> -class ratio -{ -public: - static constexpr intmax_t num; - static constexpr intmax_t den; - typedef ratio<num, den> type; -}; - -// ratio arithmetic -template <class R1, class R2> using ratio_add = ...; -template <class R1, class R2> using ratio_subtract = ...; -template <class R1, class R2> using ratio_multiply = ...; -template <class R1, class R2> using ratio_divide = ...; - -// ratio comparison -template <class R1, class R2> struct ratio_equal; -template <class R1, class R2> struct ratio_not_equal; -template <class R1, class R2> struct ratio_less; -template <class R1, class R2> struct ratio_less_equal; -template <class R1, class R2> struct ratio_greater; -template <class R1, class R2> struct ratio_greater_equal; - -// convenience SI typedefs -using quecto = ratio <1, 1'000'000'000'000'000'000'000'000'000'000>; // Since C++26; not supported -using ronto = ratio <1, 1'000'000'000'000'000'000'000'000'000>; // Since C++26; not supported -typedef ratio<1, 1000000000000000000000000> yocto; // not supported -typedef ratio<1, 1000000000000000000000> zepto; // not supported -typedef ratio<1, 1000000000000000000> atto; -typedef ratio<1, 1000000000000000> femto; -typedef ratio<1, 1000000000000> pico; -typedef ratio<1, 1000000000> nano; -typedef ratio<1, 1000000> micro; -typedef ratio<1, 1000> milli; -typedef ratio<1, 100> centi; -typedef ratio<1, 10> deci; -typedef ratio< 10, 1> deca; -typedef ratio< 100, 1> hecto; -typedef ratio< 1000, 1> kilo; -typedef ratio< 1000000, 1> mega; -typedef ratio< 1000000000, 1> giga; -typedef ratio< 1000000000000, 1> tera; -typedef ratio< 1000000000000000, 1> peta; -typedef ratio< 1000000000000000000, 1> exa; -typedef ratio< 1000000000000000000000, 1> zetta; // not supported -typedef ratio<1000000000000000000000000, 1> yotta; // not supported -using ronna = ratio <1'000'000'000'000'000'000'000'000'000, 1>; // Since C++26; not supported -using quetta = ratio <1'000'000'000'000'000'000'000'000'000'000, 1>; // Since C++26; not supported - - // 20.11.5, ratio comparison - template <class R1, class R2> inline constexpr bool ratio_equal_v - = ratio_equal<R1, R2>::value; // C++17 - template <class R1, class R2> inline constexpr bool ratio_not_equal_v - = ratio_not_equal<R1, R2>::value; // C++17 - template <class R1, class R2> inline constexpr bool ratio_less_v - = ratio_less<R1, R2>::value; // C++17 - template <class R1, class R2> inline constexpr bool ratio_less_equal_v - = ratio_less_equal<R1, R2>::value; // C++17 - template <class R1, class R2> inline constexpr bool ratio_greater_v - = ratio_greater<R1, R2>::value; // C++17 - template <class R1, class R2> inline constexpr bool ratio_greater_equal_v - = ratio_greater_equal<R1, R2>::value; // C++17 -} -*/ - -#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS) -# include <__cxx03/ratio> -#else -# include <__config> -# include <__type_traits/integral_constant.h> -# include <climits> -# include <cstdint> -# include <version> - -# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) -# pragma GCC system_header -# endif - -_LIBCPP_PUSH_MACROS -# include <__undef_macros> - -_LIBCPP_BEGIN_NAMESPACE_STD - -// __static_gcd - -template <intmax_t _Xp, intmax_t _Yp> -inline const intmax_t __static_gcd = __static_gcd<_Yp, _Xp % _Yp>; - -template <intmax_t _Xp> -inline const intmax_t __static_gcd<_Xp, 0> = _Xp; - -template <> -inline const intmax_t __static_gcd<0, 0> = 1; - -// __static_lcm - -template <intmax_t _Xp, intmax_t _Yp> -inline const intmax_t __static_lcm = _Xp / __static_gcd<_Xp, _Yp> * _Yp; - -template <intmax_t _Xp> -inline const intmax_t __static_abs = _Xp < 0 ? -_Xp : _Xp; - -template <intmax_t _Xp> -inline const intmax_t __static_sign = _Xp == 0 ? 0 : (_Xp < 0 ? -1 : 1); - -template <intmax_t _Xp, intmax_t _Yp, intmax_t = __static_sign<_Yp> > -class __ll_add; - -template <intmax_t _Xp, intmax_t _Yp> -class __ll_add<_Xp, _Yp, 1> { - static const intmax_t min = (1LL << (sizeof(intmax_t) * CHAR_BIT - 1)) + 1; - static const intmax_t max = -min; - - static_assert(_Xp <= max - _Yp, "overflow in __ll_add"); - -public: - static const intmax_t value = _Xp + _Yp; -}; - -template <intmax_t _Xp, intmax_t _Yp> -class __ll_add<_Xp, _Yp, 0> { -public: - static const intmax_t value = _Xp; -}; - -template <intmax_t _Xp, intmax_t _Yp> -class __ll_add<_Xp, _Yp, -1> { - static const intmax_t min = (1LL << (sizeof(intmax_t) * CHAR_BIT - 1)) + 1; - static const intmax_t max = -min; - - static_assert(min - _Yp <= _Xp, "overflow in __ll_add"); - -public: - static const intmax_t value = _Xp + _Yp; -}; - -template <intmax_t _Xp, intmax_t _Yp, intmax_t = __static_sign<_Yp> > -class __ll_sub; - -template <intmax_t _Xp, intmax_t _Yp> -class __ll_sub<_Xp, _Yp, 1> { - static const intmax_t min = (1LL << (sizeof(intmax_t) * CHAR_BIT - 1)) + 1; - static const intmax_t max = -min; - - static_assert(min + _Yp <= _Xp, "overflow in __ll_sub"); - -public: - static const intmax_t value = _Xp - _Yp; -}; - -template <intmax_t _Xp, intmax_t _Yp> -class __ll_sub<_Xp, _Yp, 0> { -public: - static const intmax_t value = _Xp; -}; - -template <intmax_t _Xp, intmax_t _Yp> -class __ll_sub<_Xp, _Yp, -1> { - static const intmax_t min = (1LL << (sizeof(intmax_t) * CHAR_BIT - 1)) + 1; - static const intmax_t max = -min; - - static_assert(_Xp <= max + _Yp, "overflow in __ll_sub"); - -public: - static const intmax_t value = _Xp - _Yp; -}; - -template <intmax_t _Xp, intmax_t _Yp> -class __ll_mul { - static const intmax_t nan = (1LL << (sizeof(intmax_t) * CHAR_BIT - 1)); - static const intmax_t min = nan + 1; - static const intmax_t max = -min; - static const intmax_t __a_x = __static_abs<_Xp>; - static const intmax_t __a_y = __static_abs<_Yp>; - - static_assert(_Xp != nan && _Yp != nan && __a_x <= max / __a_y, "overflow in __ll_mul"); - -public: - static const intmax_t value = _Xp * _Yp; -}; - -template <intmax_t _Yp> -class __ll_mul<0, _Yp> { -public: - static const intmax_t value = 0; -}; - -template <intmax_t _Xp> -class __ll_mul<_Xp, 0> { -public: - static const intmax_t value = 0; -}; - -template <> -class __ll_mul<0, 0> { -public: - static const intmax_t value = 0; -}; - -// Not actually used but left here in case needed in future maintenance -template <intmax_t _Xp, intmax_t _Yp> -class __ll_div { - static const intmax_t nan = (1LL << (sizeof(intmax_t) * CHAR_BIT - 1)); - static const intmax_t min = nan + 1; - static const intmax_t max = -min; - - static_assert(_Xp != nan && _Yp != nan && _Yp != 0, "overflow in __ll_div"); - -public: - static const intmax_t value = _Xp / _Yp; -}; - -template <intmax_t _Num, intmax_t _Den = 1> -class ratio { - static_assert(__static_abs<_Num> >= 0, "ratio numerator is out of range"); - static_assert(_Den != 0, "ratio divide by 0"); - static_assert(__static_abs<_Den> > 0, "ratio denominator is out of range"); - static _LIBCPP_CONSTEXPR const intmax_t __na = __static_abs<_Num>; - static _LIBCPP_CONSTEXPR const intmax_t __da = __static_abs<_Den>; - static _LIBCPP_CONSTEXPR const intmax_t __s = __static_sign<_Num> * __static_sign<_Den>; - static _LIBCPP_CONSTEXPR const intmax_t __gcd = __static_gcd<__na, __da>; - -public: - static inline _LIBCPP_CONSTEXPR const intmax_t num = __s * __na / __gcd; - static inline _LIBCPP_CONSTEXPR const intmax_t den = __da / __gcd; - - typedef ratio<num, den> type; -}; - -template <class _Tp> -inline const bool __is_ratio_v = false; - -template <intmax_t _Num, intmax_t _Den> -inline const bool __is_ratio_v<ratio<_Num, _Den> > = true; - -typedef ratio<1LL, 1000000000000000000LL> atto; -typedef ratio<1LL, 1000000000000000LL> femto; -typedef ratio<1LL, 1000000000000LL> pico; -typedef ratio<1LL, 1000000000LL> nano; -typedef ratio<1LL, 1000000LL> micro; -typedef ratio<1LL, 1000LL> milli; -typedef ratio<1LL, 100LL> centi; -typedef ratio<1LL, 10LL> deci; -typedef ratio< 10LL, 1LL> deca; -typedef ratio< 100LL, 1LL> hecto; -typedef ratio< 1000LL, 1LL> kilo; -typedef ratio< 1000000LL, 1LL> mega; -typedef ratio< 1000000000LL, 1LL> giga; -typedef ratio< 1000000000000LL, 1LL> tera; -typedef ratio< 1000000000000000LL, 1LL> peta; -typedef ratio<1000000000000000000LL, 1LL> exa; - -template <class _R1, class _R2> -struct __ratio_multiply { -private: - static const intmax_t __gcd_n1_d2 = __static_gcd<_R1::num, _R2::den>; - static const intmax_t __gcd_d1_n2 = __static_gcd<_R1::den, _R2::num>; - - static_assert(__is_ratio_v<_R1>, "[ratio.general]/2 requires R1 to be a specialisation of the ratio template"); - static_assert(__is_ratio_v<_R2>, "[ratio.general]/2 requires R2 to be a specialisation of the ratio template"); - -public: - typedef typename ratio< __ll_mul<_R1::num / __gcd_n1_d2, _R2::num / __gcd_d1_n2>::value, - __ll_mul<_R2::den / __gcd_n1_d2, _R1::den / __gcd_d1_n2>::value >::type type; -}; - -# ifndef _LIBCPP_CXX03_LANG - -template <class _R1, class _R2> -using ratio_multiply = typename __ratio_multiply<_R1, _R2>::type; - -# else // _LIBCPP_CXX03_LANG - -template <class _R1, class _R2> -struct ratio_multiply : public __ratio_multiply<_R1, _R2>::type {}; - -# endif // _LIBCPP_CXX03_LANG - -template <class _R1, class _R2> -struct __ratio_divide { -private: - static const intmax_t __gcd_n1_n2 = __static_gcd<_R1::num, _R2::num>; - static const intmax_t __gcd_d1_d2 = __static_gcd<_R1::den, _R2::den>; - - static_assert(__is_ratio_v<_R1>, "[ratio.general]/2 requires R1 to be a specialisation of the ratio template"); - static_assert(__is_ratio_v<_R2>, "[ratio.general]/2 requires R2 to be a specialisation of the ratio template"); - -public: - typedef typename ratio< __ll_mul<_R1::num / __gcd_n1_n2, _R2::den / __gcd_d1_d2>::value, - __ll_mul<_R2::num / __gcd_n1_n2, _R1::den / __gcd_d1_d2>::value >::type type; -}; - -# ifndef _LIBCPP_CXX03_LANG - -template <class _R1, class _R2> -using ratio_divide = typename __ratio_divide<_R1, _R2>::type; - -# else // _LIBCPP_CXX03_LANG - -template <class _R1, class _R2> -struct ratio_divide : public __ratio_divide<_R1, _R2>::type {}; - -# endif // _LIBCPP_CXX03_LANG - -template <class _R1, class _R2> -struct __ratio_add { -private: - static const intmax_t __gcd_n1_n2 = __static_gcd<_R1::num, _R2::num>; - static const intmax_t __gcd_d1_d2 = __static_gcd<_R1::den, _R2::den>; - - static_assert(__is_ratio_v<_R1>, "[ratio.general]/2 requires R1 to be a specialisation of the ratio template"); - static_assert(__is_ratio_v<_R2>, "[ratio.general]/2 requires R2 to be a specialisation of the ratio template"); - -public: - typedef typename ratio_multiply< - ratio<__gcd_n1_n2, _R1::den / __gcd_d1_d2>, - ratio< __ll_add< __ll_mul<_R1::num / __gcd_n1_n2, _R2::den / __gcd_d1_d2>::value, - __ll_mul<_R2::num / __gcd_n1_n2, _R1::den / __gcd_d1_d2>::value >::value, - _R2::den > >::type type; -}; - -# ifndef _LIBCPP_CXX03_LANG - -template <class _R1, class _R2> -using ratio_add = typename __ratio_add<_R1, _R2>::type; - -# else // _LIBCPP_CXX03_LANG - -template <class _R1, class _R2> -struct ratio_add : public __ratio_add<_R1, _R2>::type {}; - -# endif // _LIBCPP_CXX03_LANG - -template <class _R1, class _R2> -struct __ratio_subtract { -private: - static const intmax_t __gcd_n1_n2 = __static_gcd<_R1::num, _R2::num>; - static const intmax_t __gcd_d1_d2 = __static_gcd<_R1::den, _R2::den>; - - static_assert(__is_ratio_v<_R1>, "[ratio.general]/2 requires R1 to be a specialisation of the ratio template"); - static_assert(__is_ratio_v<_R2>, "[ratio.general]/2 requires R2 to be a specialisation of the ratio template"); - -public: - typedef typename ratio_multiply< - ratio<__gcd_n1_n2, _R1::den / __gcd_d1_d2>, - ratio< __ll_sub< __ll_mul<_R1::num / __gcd_n1_n2, _R2::den / __gcd_d1_d2>::value, - __ll_mul<_R2::num / __gcd_n1_n2, _R1::den / __gcd_d1_d2>::value >::value, - _R2::den > >::type type; -}; - -# ifndef _LIBCPP_CXX03_LANG - -template <class _R1, class _R2> -using ratio_subtract = typename __ratio_subtract<_R1, _R2>::type; - -# else // _LIBCPP_CXX03_LANG - -template <class _R1, class _R2> -struct ratio_subtract : public __ratio_subtract<_R1, _R2>::type {}; - -# endif // _LIBCPP_CXX03_LANG - -// ratio_equal - -template <class _R1, class _R2> -struct ratio_equal : _BoolConstant<(_R1::num == _R2::num && _R1::den == _R2::den)> { - static_assert(__is_ratio_v<_R1>, "[ratio.general]/2 requires R1 to be a specialisation of the ratio template"); - static_assert(__is_ratio_v<_R2>, "[ratio.general]/2 requires R2 to be a specialisation of the ratio template"); -}; - -template <class _R1, class _R2> -struct ratio_not_equal : _BoolConstant<!ratio_equal<_R1, _R2>::value> { - static_assert(__is_ratio_v<_R1>, "[ratio.general]/2 requires R1 to be a specialisation of the ratio template"); - static_assert(__is_ratio_v<_R2>, "[ratio.general]/2 requires R2 to be a specialisation of the ratio template"); -}; - -// ratio_less - -template <class _R1, - class _R2, - bool _Odd = false, - intmax_t _Q1 = _R1::num / _R1::den, - intmax_t _M1 = _R1::num % _R1::den, - intmax_t _Q2 = _R2::num / _R2::den, - intmax_t _M2 = _R2::num % _R2::den> -struct __ratio_less1 { - static const bool value = _Odd ? _Q2 < _Q1 : _Q1 < _Q2; -}; - -template <class _R1, class _R2, bool _Odd, intmax_t _Qp> -struct __ratio_less1<_R1, _R2, _Odd, _Qp, 0, _Qp, 0> { - static const bool value = false; -}; - -template <class _R1, class _R2, bool _Odd, intmax_t _Qp, intmax_t _M2> -struct __ratio_less1<_R1, _R2, _Odd, _Qp, 0, _Qp, _M2> { - static const bool value = !_Odd; -}; - -template <class _R1, class _R2, bool _Odd, intmax_t _Qp, intmax_t _M1> -struct __ratio_less1<_R1, _R2, _Odd, _Qp, _M1, _Qp, 0> { - static const bool value = _Odd; -}; - -template <class _R1, class _R2, bool _Odd, intmax_t _Qp, intmax_t _M1, intmax_t _M2> -struct __ratio_less1<_R1, _R2, _Odd, _Qp, _M1, _Qp, _M2> { - static const bool value = __ratio_less1<ratio<_R1::den, _M1>, ratio<_R2::den, _M2>, !_Odd>::value; -}; - -template <class _R1, class _R2, intmax_t _S1 = __static_sign<_R1::num>, intmax_t _S2 = __static_sign<_R2::num> > -struct __ratio_less { - static const bool value = _S1 < _S2; -}; - -template <class _R1, class _R2> -struct __ratio_less<_R1, _R2, 1LL, 1LL> { - static const bool value = __ratio_less1<_R1, _R2>::value; -}; - -template <class _R1, class _R2> -struct __ratio_less<_R1, _R2, -1LL, -1LL> { - static const bool value = __ratio_less1<ratio<-_R2::num, _R2::den>, ratio<-_R1::num, _R1::den> >::value; -}; - -template <class _R1, class _R2> -struct ratio_less : _BoolConstant<__ratio_less<_R1, _R2>::value> { - static_assert(__is_ratio_v<_R1>, "[ratio.general]/2 requires R1 to be a specialisation of the ratio template"); - static_assert(__is_ratio_v<_R2>, "[ratio.general]/2 requires R2 to be a specialisation of the ratio template"); -}; - -template <class _R1, class _R2> -struct ratio_less_equal : _BoolConstant<!ratio_less<_R2, _R1>::value> { - static_assert(__is_ratio_v<_R1>, "[ratio.general]/2 requires R1 to be a specialisation of the ratio template"); - static_assert(__is_ratio_v<_R2>, "[ratio.general]/2 requires R2 to be a specialisation of the ratio template"); -}; - -template <class _R1, class _R2> -struct ratio_greater : _BoolConstant<ratio_less<_R2, _R1>::value> { - static_assert(__is_ratio_v<_R1>, "[ratio.general]/2 requires R1 to be a specialisation of the ratio template"); - static_assert(__is_ratio_v<_R2>, "[ratio.general]/2 requires R2 to be a specialisation of the ratio template"); -}; - -template <class _R1, class _R2> -struct ratio_greater_equal : _BoolConstant<!ratio_less<_R1, _R2>::value> { - static_assert(__is_ratio_v<_R1>, "[ratio.general]/2 requires R1 to be a specialisation of the ratio template"); - static_assert(__is_ratio_v<_R2>, "[ratio.general]/2 requires R2 to be a specialisation of the ratio template"); -}; - -template <class _R1, class _R2> -using __ratio_gcd _LIBCPP_NODEBUG = ratio<__static_gcd<_R1::num, _R2::num>, __static_lcm<_R1::den, _R2::den> >; - -# if _LIBCPP_STD_VER >= 17 -template <class _R1, class _R2> -inline constexpr bool ratio_equal_v = ratio_equal<_R1, _R2>::value; - -template <class _R1, class _R2> -inline constexpr bool ratio_not_equal_v = ratio_not_equal<_R1, _R2>::value; - -template <class _R1, class _R2> -inline constexpr bool ratio_less_v = ratio_less<_R1, _R2>::value; - -template <class _R1, class _R2> -inline constexpr bool ratio_less_equal_v = ratio_less_equal<_R1, _R2>::value; - -template <class _R1, class _R2> -inline constexpr bool ratio_greater_v = ratio_greater<_R1, _R2>::value; - -template <class _R1, class _R2> -inline constexpr bool ratio_greater_equal_v = ratio_greater_equal<_R1, _R2>::value; -# endif - -_LIBCPP_END_NAMESPACE_STD - -_LIBCPP_POP_MACROS - -# if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 -# include <type_traits> -# endif -#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS) - -#endif // _LIBCPP_RATIO |